/* Port Checker - Clean, Usable Design */

.port-checker-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Page Header */
.page-header {
  text-align: center;
  margin-bottom: 48px;
  padding: 24px 0 32px 0;
  position: relative;
}

.page-header-content {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  font-size: 40px;
  font-weight: 700;
  margin: 0 0 24px 0;
  color: var(--heading-color, #1a1a1a);
  line-height: 1.2;
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu',
    'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  letter-spacing: -0.02em;
  background: linear-gradient(
    135deg,
    var(--heading-color, #1a1a1a) 0%,
    var(--link, #0066cc) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme='dark'] .page-header h1 {
  background: linear-gradient(
    135deg,
    var(--heading-color, #e0e0e0) 0%,
    var(--link, #4da6ff) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-description {
  font-size: 19px;
  color: var(--muted-text, #666);
  margin: 0;
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto;
}

/* Main Tool */
.main-tool {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 48px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: relative;
  z-index: 1;
}

[data-theme='dark'] .main-tool {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

[data-theme='dark'] .input-field input[type='text'],
[data-theme='dark'] .input-field input[type='number'],
[data-theme='dark'] .input-field select {
  background: var(--gray-900, #0f0f0f);
  border-color: var(--gray-700, #3a3a3a);
  color: var(--text-color, #e0e0e0);
}

[data-theme='dark'] .input-field label {
  color: var(--text-color, #e0e0e0);
}

[data-theme='dark'] .port-btn {
  background: var(--gray-900, #0f0f0f);
  border-color: var(--gray-700, #3a3a3a);
}

[data-theme='dark'] .port-name {
  color: var(--text-color, #e0e0e0);
}

[data-theme='dark'] .port-num {
  color: var(--muted-text, #b0b0b0);
}

.tool-section {
  width: 100%;
}

/* Input Fields */
.input-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.input-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-field.large {
  grid-column: 1 / -1;
}

.input-field.full-width {
  grid-column: 1 / -1;
}

.input-field.full-width input,
.input-field.full-width textarea {
  width: 100%;
  max-width: 100%;
}

.input-field label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color, #1a1a1a);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.input-field label i {
  color: var(--link, #0066cc);
  font-size: 16px;
}

.input-wrapper {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

.input-wrapper input {
  flex: 1;
  box-sizing: border-box;
}

.input-wrapper .btn-secondary {
  flex-shrink: 0;
  white-space: nowrap;
  padding: 0 20px;
  font-size: 16px;
  margin-top: -4px;
}

/* Input with addon button */
.input-with-button {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.input-with-button input {
  flex: 1;
  box-sizing: border-box;
}

.input-addon-btn {
  flex-shrink: 0;
  white-space: nowrap;
  padding: 14px 16px;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6.4px;
  border-radius: 8px;
  height: 100%;
  line-height: 1.5;
  border: 2px solid var(--border-color, #ddd);
  border-radius: 10px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  margin-top: -8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--gray-100, #f0f0f0);
  color: var(--text-color, #333);
  gap: 8px;
}

.input-field input[type='text'],
.input-field input[type='number'] {
  width: 100%;
  padding: 14px 16px;
  font-size: 16px;
  border: 2px solid var(--border-color, #ddd);
  border-radius: 10px;
  background: var(--card-bg, #fff);
  color: var(--text-color, #1a1a1a);
  transition: all 0.2s ease;
  line-height: 1.4;
}

.btn-check-port-inline {
  flex-shrink: 0;
  white-space: nowrap;
  padding: 0 20px;
  min-height: 44px;
  margin-top: -8px;
  font-size: 16px;
  line-height: 1;
}

.btn-cancel-port-inline {
  flex-shrink: 0;
  white-space: nowrap;
  padding: 0 16px;
  min-height: 44px;
  margin-top: -4px;
  font-size: 14px;
  line-height: 1;
}

.input-field select {
  width: 100%;
  padding: 14px 40px 14px 16px;
  font-size: 16px;
  border: 2px solid var(--border-color, #ddd);
  border-radius: 10px;
  background: var(--card-bg, #fff);
  color: var(--text-color, #1a1a1a);
  transition: all 0.2s ease;
  line-height: 1.5;
  min-height: 44px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px;
}

.input-field input:focus,
.input-field select:focus {
  outline: none;
  border-color: var(--link, #0066cc);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

[data-theme='dark'] .input-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23e0e0e0' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.input-field input::placeholder {
  color: var(--gray-400, #999);
}

.input-help {
  font-size: 14px;
  color: var(--muted-text, #666);
  margin-top: 4px;
  line-height: 1.4;
}

.input-status {
  margin-left: auto;
  font-size: 14px;
}

.input-status.valid i {
  color: #28a745;
}

.input-status.invalid i {
  color: #dc3545;
}

/* Advanced Section - Dropdown/Spoiler Style */
.advanced-section {
  margin-bottom: 32px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 2px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .advanced-section {
  border-top-color: var(--gray-700, #3a3a3a);
}

.advanced-toggle {
  width: 100%;
  background: var(--card-bg, #fff);
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 10px;
  padding: 24px 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  user-select: none;
}

.advanced-toggle.active {
  border-radius: 10px 10px 0 0;
}

[data-theme='dark'] .advanced-toggle {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

.advanced-toggle:hover {
  background: rgba(0, 102, 204, 0.05);
  border-color: var(--border-color, #e0e0e0);
}

[data-theme='dark'] .advanced-toggle:hover {
  background: rgba(0, 102, 204, 0.1);
  border-color: var(--gray-700, #404040);
}

.advanced-toggle.active {
  border-color: var(--border-color, #e0e0e0);
  border-bottom-color: transparent;
  background: rgba(0, 102, 204, 0.05);
}

[data-theme='dark'] .advanced-toggle.active {
  background: rgba(0, 102, 204, 0.1);
  border-color: var(--gray-700, #404040);
}

.advanced-toggle.active .advanced-icon {
  transform: rotate(180deg);
}

.advanced-toggle-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}

.advanced-icon {
  font-size: 14px;
  color: var(--link, #0066cc);
  transition:
    transform 0.3s ease,
    color 0.3s ease;
}

.advanced-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-color, #1a1a1a);
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 12px;
}

.advanced-title i {
  color: var(--link, #0066cc);
  font-size: 16px;
}

[data-theme='dark'] .advanced-title {
  color: var(--text-color, #e0e0e0);
}

.advanced-subtitle {
  font-size: 16px;
  font-weight: 400;
  color: var(--muted-text, #666);
  margin-left: 8px;
}

[data-theme='dark'] .advanced-subtitle {
  color: var(--muted-text, #b0b0b0);
}

.advanced-panel {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.4s ease,
    padding 0.4s ease,
    margin 0.4s ease;
  margin-top: 0;
  padding: 0 24px;
  background: var(--card-bg, #fff);
  border-radius: 0 0 10px 10px;
  border: 2px solid var(--border-color, #e0e0e0);
  border-top: none;
  border-width: 0;
}

.advanced-panel.open {
  border-width: 2px;
}

[data-theme='dark'] .advanced-panel {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

.advanced-panel.open {
  max-height: 500px;
  margin-top: 0;
  padding: 24px;
  animation: slideDown 0.4s ease;
}

.advanced-panel-inner {
  opacity: 0;
  transition: opacity 0.3s ease 0.1s;
}

.advanced-panel.open .advanced-panel-inner {
  opacity: 1;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Quick Ports */
.quick-ports-section {
  margin-bottom: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color, #e0e0e0);
}

.quick-ports-section .section-title {
  font-size: 16px;
  font-weight: 600;
  gap: 8px;
}

.quick-ports-section .section-title i {
  font-size: 16px;
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-color, #1a1a1a);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title i {
  color: var(--link, #0066cc);
  font-size: 16px;
}

.quick-ports {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.port-btn {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
  text-align: left;
  min-height: 84px;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

[data-theme='dark'] .port-btn {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.port-btn:hover {
  border-color: var(--link, #6366f1);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.1);
}

.port-btn:hover .port-icon {
  background: rgba(99, 102, 241, 0.12);
}

.port-btn:hover .port-icon i {
  color: var(--link, #6366f1);
}

[data-theme='dark'] .port-btn:hover {
  border-color: var(--accent-blue, #818cf8);
  box-shadow: 0 4px 16px rgba(129, 140, 248, 0.12);
}

[data-theme='dark'] .port-btn:hover .port-icon {
  background: rgba(129, 140, 248, 0.16);
}

.port-btn.active {
  border-color: var(--link, #6366f1);
  background: rgba(99, 102, 241, 0.08);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.12);
}

[data-theme='dark'] .port-btn.active {
  border-color: var(--accent-blue, #818cf8);
  background: rgba(129, 140, 248, 0.12);
  box-shadow: 0 4px 16px rgba(129, 140, 248, 0.14);
}

.port-btn.active .port-icon {
  background: rgba(99, 102, 241, 0.18);
}

.port-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.08);
  border-radius: 10px;
  transition: all 0.2s ease;
}

.port-icon i {
  font-size: 21px;
  color: var(--link, #6366f1);
  transition: color 0.2s ease;
}

.port-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.port-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-color, #1a1a1a);
  transition: color 0.2s ease;
  line-height: 1.25;
  word-break: break-word;
}

.port-num {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted-text, #666);
  transition: color 0.2s ease;
  font-family: 'Courier New', monospace;
}

/* Action Buttons at Top */
.action-section-top {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 2px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .action-section-top {
  border-bottom-color: var(--gray-700, #3a3a3a);
}

/* Tool detail pages: action row sits below inputs/tool UI */
.port-checker-page .tool-nav ~ .main-tool .action-section-top {
  margin-top: 8px;
  margin-bottom: 24px;
  padding-top: 24px;
  padding-bottom: 0;
  border-top: 2px solid var(--border-color, #e0e0e0);
  border-bottom: 0;
}

[data-theme='dark']
  .port-checker-page
  .tool-nav
  ~ .main-tool
  .action-section-top {
  border-top-color: var(--gray-700, #3a3a3a);
}

.port-checker-page .tool-nav ~ .page-header .page-description {
  font-size: 16px;
  line-height: 1.6;
}

.port-checker-page
  .tool-nav
  ~ .main-tool
  .action-section-top
  .btn-primary.large {
  font-size: 16px;
  padding: 20px 40px;
}

.btn-primary,
.btn-secondary,
.btn-link,
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary.large {
  padding: 24px 48px;
  font-size: 18px;
}

.btn-primary {
  background: var(--link, #0066cc);
  color: white;
  box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

.btn-primary:hover {
  background: #0052a3;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.4);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--gray-100, #f0f0f0);
  color: var(--text-color, #333);
  border: 2px solid var(--border-color, #ddd);
}

.input-wrapper .btn-secondary {
  background: var(--gray-100, #f0f0f0);
  color: var(--text-color, #333);
  border: 2px solid var(--border-color, #ddd);
  border-radius: 10px;
  padding: 0 20px;
  font-size: 14px;
  line-height: 1;
  font-weight: 600;
}

.input-wrapper .btn-secondary:hover {
  background: var(--gray-200, #e0e0e0);
}

.btn-secondary:hover {
  background: var(--gray-200, #e0e0e0);
}

.btn-link {
  background: none;
  color: var(--muted-text, #666);
  padding: 12px 16px;
  border: none;
}

.btn-link:hover {
  color: var(--text-color, #333);
  background: var(--gray-100, #f0f0f0);
}

.btn-icon {
  padding: 12px;
  background: var(--gray-100, #f0f0f0);
  color: var(--text-color, #333);
  border: 1px solid var(--border-color, #ddd);
}

.btn-icon:hover {
  background: var(--gray-200, #e0e0e0);
}

/* Loading Message for Link Checker */
.loading-message {
  width: 100%;
  max-width: 600px;
  margin: 24px auto;
  padding: 16px 24px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.loading-content {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-color, #1a1a1a);
  font-size: 14px;
}

.loading-content i {
  color: var(--link, #0066cc);
  font-size: 18px;
}

[data-theme='dark'] .loading-message {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

[data-theme='dark'] .loading-content {
  color: var(--text-color, #e0e0e0);
}

[data-theme='dark'] .loading-content i {
  color: var(--link, #4da6ff);
}

/* Input status loading */
.input-status.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 8px;
  border: 2px solid var(--link, #0066cc);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Loading */
.loading-section {
  text-align: center;
  padding: 48px 32px;
}

.spinner {
  font-size: 34px;
  color: var(--link, #0066cc);
  margin-bottom: 16px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.loading-section p {
  font-size: 15px;
  color: var(--muted-text, #666);
  margin: 0 0 24px 0;
}

.progress-container {
  max-width: 500px;
  margin: 0 auto;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: var(--gray-200, #e0e0e0);
  border-radius: 5px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--link, #0066cc);
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 5px;
}

/* Results */
.results-section {
  margin-top: 32px;
  padding: 32px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  animation: fadeIn 0.3s ease;
}

[data-theme='dark'] .results-section {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.results-section.result-open {
  border-left: 5px solid #28a745;
}

.results-section.result-closed {
  border-left: 5px solid #dc3545;
}

.results-section.result-timeout,
.results-section.result-error {
  border-left: 5px solid #f59e0b;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.results-header h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  color: var(--heading-color, #1a1a1a);
  display: flex;
  align-items: center;
  gap: 12px;
}

.results-header h2 i {
  color: var(--link, #0066cc);
}

.results-actions {
  display: flex;
  gap: 8px;
}

/* Result Summary */
.result-summary {
  margin-bottom: 24px;
}

.result-connection-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
  background: var(--card-bg, #fff);
  border-radius: 10px;
  border: 1px solid var(--border-color, #e0e0e0);
  flex-wrap: wrap;
}

[data-theme='dark'] .result-connection-display {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

.result-host-port {
  font-family: 'Courier New', 'Monaco', monospace;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color, #1a1a1a);
  flex: 1;
  min-width: 200px;
}

[data-theme='dark'] .result-host-port {
  color: var(--text-color, #e0e0e0);
}

.result-status-badge {
  font-size: 14px;
  font-weight: 700;
  padding: 10.4px 24px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
  flex-shrink: 0;
}

.result-status-badge.status-open {
  background: #28a745;
  color: white;
}

.result-status-badge.status-closed {
  background: #dc3545;
  color: white;
}

.result-status-badge.status-filtered,
.result-status-badge.status-timeout {
  background: #f59e0b;
  color: white;
}

.result-status-badge.status-error {
  background: #dc3545;
  color: white;
}

/* Result Info Grid */
.result-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.result-info-item {
  padding: 16px 20px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 10px;
  transition: all 0.2s ease;
}

[data-theme='dark'] .result-info-item {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

.result-info-item:hover {
  border-color: var(--link, #0066cc);
  box-shadow: 0 2px 8px rgba(0, 102, 204, 0.1);
}

.result-info-item.result-info-full {
  grid-column: 1 / -1;
}

.result-info-label {
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted-text, #666);
  margin-bottom: 8px;
}

[data-theme='dark'] .result-info-label {
  color: var(--muted-text, #b0b0b0);
}

.result-info-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-color, #1a1a1a);
  line-height: 1.5;
  word-break: break-word;
}

[data-theme='dark'] .result-info-value {
  color: var(--text-color, #e0e0e0);
}

.copy-btn-small {
  background: transparent;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  padding: 6.4px 9.6px;
  cursor: pointer;
  color: var(--muted-text, #666);
  transition: all 0.2s ease;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copy-btn-small:hover {
  background: var(--gray-100, #f0f0f0);
  border-color: var(--link, #0066cc);
  color: var(--link, #0066cc);
}

[data-theme='dark'] .copy-btn-small {
  border-color: var(--gray-700, #404040);
  color: var(--muted-text, #b0b0b0);
}

[data-theme='dark'] .copy-btn-small:hover {
  background: var(--gray-700, #404040);
  border-color: var(--link, #4da6ff);
  color: var(--link, #4da6ff);
}

.results-footer {
  padding-top: 20px;
  border-top: 1px solid var(--border-color, #e0e0e0);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--muted-text, #666);
}

[data-theme='dark'] .results-footer {
  color: var(--muted-text, #b0b0b0);
}

.results-footer i {
  color: var(--link, #0066cc);
}

/* Status Badges */
.status-badge {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.status-open {
  background: rgba(40, 167, 69, 0.15);
  color: #28a745;
}

.status-badge.status-closed {
  background: rgba(220, 53, 69, 0.15);
  color: #dc3545;
}

.status-badge.status-timeout,
.status-badge.status-error {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
}

/* Copy Button */
.copy-btn {
  padding: 8px;
  background: transparent;
  border: 1px solid var(--border-color, #ddd);
  border-radius: 6px;
  color: var(--muted-text, #666);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
}

.copy-btn:hover {
  background: var(--gray-100, #f0f0f0);
  color: var(--link, #0066cc);
  border-color: var(--link, #0066cc);
}

.copy-btn.copied {
  background: #28a745;
  color: white;
  border-color: #28a745;
}

/* Batch Results */
.batch-results {
  overflow-x: auto;
}

.batch-results table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}

.batch-results thead {
  background: var(--gray-100, #f0f0f0);
  border-bottom: 2px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .batch-results thead {
  background: var(--gray-800, #2d2d2d);
}

.batch-results th {
  padding: 16px;
  text-align: left;
  font-weight: 600;
  color: var(--heading-color, #1a1a1a);
  font-size: 16px;
}

.batch-results td {
  padding: 16px;
  border-bottom: 1px solid var(--border-color, #e0e0e0);
  color: var(--text-color, #333);
}

.batch-results tbody tr:hover {
  background: var(--gray-50, #f8f9fa);
}

[data-theme='dark'] .batch-results tbody tr:hover {
  background: var(--gray-800, #2d2d2d);
}

.batch-results tbody tr.result-open {
  background: rgba(40, 167, 69, 0.05);
}

.batch-results tbody tr.result-closed {
  background: rgba(220, 53, 69, 0.05);
}

.batch-results tbody tr.result-timeout,
.batch-results tbody tr.result-error {
  background: rgba(245, 158, 11, 0.05);
}

.batch-results code {
  background: var(--gray-100, #f0f0f0);
  padding: 4px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
}

/* History */
.history-section {
  margin-top: 32px;
  margin-bottom: 32px;
}

[data-theme='dark'] .history-section {
  border-top-color: var(--gray-700, #3a3a3a);
}

.history-toggle {
  width: 100%;
  background: var(--card-bg, #fff);
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 10px;
  padding: 24px 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  user-select: none;
}

.history-toggle.active {
  border-radius: 10px 10px 0 0;
}

[data-theme='dark'] .history-toggle {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

.history-toggle:hover {
  background: rgba(0, 102, 204, 0.05);
  border-color: var(--border-color, #e0e0e0);
}

[data-theme='dark'] .history-toggle:hover {
  background: rgba(0, 102, 204, 0.1);
  border-color: var(--gray-700, #404040);
}

.history-toggle.active {
  border-color: var(--border-color, #e0e0e0);
  border-bottom-color: transparent;
  background: rgba(0, 102, 204, 0.05);
}

[data-theme='dark'] .history-toggle.active {
  background: rgba(0, 102, 204, 0.1);
  border-color: var(--gray-700, #404040);
}

.history-toggle.active .history-icon {
  transform: rotate(180deg);
}

.history-toggle-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}

.history-icon {
  font-size: 14px;
  color: var(--link, #0066cc);
  transition:
    transform 0.3s ease,
    color 0.3s ease;
}

.history-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-color, #1a1a1a);
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 12px;
}

.history-title i {
  color: var(--link, #0066cc);
  font-size: 16px;
}

[data-theme='dark'] .history-title {
  color: var(--text-color, #e0e0e0);
}

.history-panel {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.4s ease,
    padding 0.4s ease,
    margin 0.4s ease;
  margin-top: 0;
  padding: 0 24px;
  background: var(--card-bg, #fff);
  border-radius: 0 0 10px 10px;
  border: 2px solid var(--border-color, #e0e0e0);
  border-top: none;
  border-width: 0;
}

.history-panel.open {
  border-width: 2px;
}

[data-theme='dark'] .history-panel {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

.history-panel.open {
  max-height: 800px;
  margin-top: 0;
  padding: 24px;
  animation: slideDown 0.4s ease;
}

.history-panel-inner {
  opacity: 0;
  transition: opacity 0.3s ease 0.1s;
}

.history-panel.open .history-panel-inner {
  opacity: 1;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 600px;
  overflow-y: auto;
  padding-top: 8px;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  transition: all 0.2s ease;
  gap: 24px;
}

[data-theme='dark'] .history-item {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

.history-item:hover {
  border-color: var(--link, #0066cc);
  border-top-color: var(--link, #0066cc);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
  transform: translateY(-1px);
}

.history-item:first-child:hover {
  border-top-color: var(--link, #0066cc);
}

.history-item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.history-item-main {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.history-item-connection {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-color, #1a1a1a);
  font-family: 'Courier New', 'Monaco', monospace;
}

[data-theme='dark'] .history-item-connection {
  color: var(--text-color, #e0e0e0);
}

.history-item-status {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.history-item-status.status-open {
  background: #28a745;
  color: white;
}

.history-item-status.status-closed {
  background: #dc3545;
  color: white;
}

.history-item-status.status-filtered,
.history-item-status.status-timeout {
  background: #f59e0b;
  color: white;
}

.history-item-status.status-error {
  background: #dc3545;
  color: white;
}

.history-item-meta {
  display: flex;
  gap: 24px;
  font-size: 15px;
  color: var(--muted-text, #666);
  flex-wrap: wrap;
}

[data-theme='dark'] .history-item-meta {
  color: var(--muted-text, #b0b0b0);
}

.history-item-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.history-item-meta i {
  color: var(--link, #0066cc);
  font-size: 14px;
}

.history-item-action {
  flex-shrink: 0;
  display: flex;
  gap: 8px;
}

.history-item-action button {
  background: transparent;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  padding: 9.6px;
  cursor: pointer;
  color: var(--muted-text, #666);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

.history-item-action button:hover {
  background: var(--gray-100, #f0f0f0);
  border-color: var(--link, #0066cc);
  color: var(--link, #0066cc);
}

.history-item-action button.delete-btn:hover {
  background: #fee;
  border-color: #dc3545;
  color: #dc3545;
}

[data-theme='dark'] .history-item-action button {
  border-color: var(--gray-700, #404040);
  color: var(--muted-text, #b0b0b0);
}

[data-theme='dark'] .history-item-action button:hover {
  background: var(--gray-700, #404040);
  border-color: var(--link, #4da6ff);
  color: var(--link, #4da6ff);
}

[data-theme='dark'] .history-item-action button.delete-btn:hover {
  background: rgba(220, 53, 69, 0.2);
  border-color: #dc3545;
  color: #dc3545;
}

.history-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-icon-small {
  background: transparent;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  padding: 8px;
  cursor: pointer;
  color: var(--muted-text, #666);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 14px;
}

.btn-icon-small:hover {
  background: var(--gray-100, #f0f0f0);
  border-color: var(--link, #0066cc);
  color: var(--link, #0066cc);
}

.btn-icon-small.delete-btn:hover {
  background: #fee;
  border-color: #dc3545;
  color: #dc3545;
}

[data-theme='dark'] .btn-icon-small {
  border-color: var(--gray-700, #404040);
  color: var(--muted-text, #b0b0b0);
}

[data-theme='dark'] .btn-icon-small:hover {
  background: var(--gray-700, #404040);
  border-color: var(--link, #4da6ff);
  color: var(--link, #4da6ff);
}

[data-theme='dark'] .btn-icon-small.delete-btn:hover {
  background: rgba(220, 53, 69, 0.2);
  border-color: #dc3545;
  color: #dc3545;
}

/* Reference Section */
/* How It Works Section - Timeline Design */
.how-it-works-section {
  margin-top: 64px;
  padding: 48px 0;
  position: relative;
}

.how-it-works-description {
  font-size: 18px;
  color: var(--muted-text, #666);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 64px auto;
  line-height: 1.7;
}

[data-theme='dark'] .how-it-works-description {
  color: var(--muted-text, #b0b0b0);
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.step-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-number {
  width: 90px;
  height: 90px;
  border-radius: 22px;
  background: var(--card-bg, #ffffff);
  border: 2px solid var(--border-color, #e2e8f0);
  color: var(--link, #6366f1) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 27px;
  font-weight: 700;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
}

.step-item:hover .step-number {
  transform: translateY(-6px);
  border-color: var(--link, #6366f1);
  box-shadow: 0 12px 28px rgba(99, 102, 241, 0.2);
}

[data-theme='dark'] .step-number {
  background: var(--gray-900, #0f172a);
  border-color: var(--gray-700, #334155);
  color: var(--accent-blue, #818cf8) !important;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

[data-theme='dark'] .step-item:hover .step-number {
  border-color: var(--accent-blue, #818cf8);
  box-shadow: 0 12px 28px rgba(129, 140, 248, 0.25);
}

.step-content {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  width: 100%;
  position: relative;
}

.step-content:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

[data-theme='dark'] .step-content {
  background: var(--card-bg, #1e1e1e);
  border-color: var(--border-color, #404040);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading-color, #1a1a1a);
  margin: 0 0 16px 0;
  line-height: 1.3;
}

[data-theme='dark'] .step-title {
  color: var(--heading-color, #e0e0e0);
}

.step-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-color, #1a1a1a);
  margin: 0 0 16px 0;
}

[data-theme='dark'] .step-description {
  color: var(--text-color, #e0e0e0);
}

/* Who Uses Port Checker Tools Section */
.use-cases-section {
  margin-top: 64px;
  padding: 32px 0;
}

.use-cases-description {
  font-size: 18px;
  color: var(--muted-text, #666);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 48px auto;
  line-height: 1.7;
}

[data-theme='dark'] .use-cases-description {
  color: var(--muted-text, #b0b0b0);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.use-cases-carousel {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  padding: 0 72px;
}

.use-cases-carousel .base-carousel-cards__controls,
.why-use-carousel .base-carousel-cards__controls,
.features-carousel .base-carousel-cards__controls {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  margin: 0;
  z-index: 2;
  pointer-events: none;
}

.use-cases-carousel .base-carousel-cards__nav,
.why-use-carousel .base-carousel-cards__nav,
.features-carousel .base-carousel-cards__nav {
  position: absolute;
  pointer-events: auto;
  width: 48px;
  height: 48px;
  min-width: 48px;
  min-height: 48px;
  aspect-ratio: 1 / 1;
  padding: 0;
  border-radius: 50%;
  box-sizing: border-box;
  line-height: 1;
  flex-shrink: 0;
}

.use-cases-carousel .base-carousel-cards__nav--prev,
.why-use-carousel .base-carousel-cards__nav--prev,
.features-carousel .base-carousel-cards__nav--prev {
  left: -18px;
}

.use-cases-carousel .base-carousel-cards__nav--next,
.why-use-carousel .base-carousel-cards__nav--next,
.features-carousel .base-carousel-cards__nav--next {
  right: -18px;
}

.use-cases-carousel .base-carousel-cards__viewport,
.why-use-carousel .base-carousel-cards__viewport,
.features-carousel .base-carousel-cards__viewport {
  overflow: hidden;
  padding-top: 8px;
  margin-top: -8px;
}

.use-cases-carousel .base-carousel-cards__track,
.why-use-carousel .base-carousel-cards__track,
.features-carousel .base-carousel-cards__track {
  align-items: stretch;
}

.use-cases-carousel .base-carousel-cards__item,
.why-use-carousel .base-carousel-cards__item,
.features-carousel .base-carousel-cards__item {
  display: flex;
  align-self: stretch;
}

.use-cases-carousel .use-case-card {
  width: 100%;
  height: 100%;
}

.use-cases-carousel .use-case-icon {
  display: flex;
}

.why-use-carousel {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  padding: 0 72px;
}

.why-use-carousel .why-use-card {
  width: 100%;
  height: 100%;
}

.why-use-carousel .why-use-icon {
  display: flex;
}

/* Use-cases + Why-use carousels: same premium icon treatment as features */
.use-cases-carousel .use-case-icon,
.why-use-carousel .why-use-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin-bottom: 22px;
  position: relative;
  isolation: isolate;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 10px 26px rgba(0, 0, 0, 0.28);
}

.use-cases-carousel .use-case-icon::before,
.why-use-carousel .why-use-icon::before {
  content: '';
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(139, 167, 255, 0.22) 0%,
    rgba(139, 167, 255, 0) 72%
  );
  z-index: -1;
}

.use-cases-carousel .use-case-icon::after,
.why-use-carousel .why-use-icon::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  opacity: 0.85;
}

.use-cases-carousel .use-case-icon i,
.why-use-carousel .why-use-icon i {
  font-size: 30px;
  filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.22));
}

.use-cases-carousel .base-carousel-cards__item:nth-child(1) .use-case-icon,
.why-use-carousel .base-carousel-cards__item:nth-child(1) .why-use-icon {
  background: linear-gradient(145deg, #4cc9f0 0%, #1d4ed8 100%);
}

.use-cases-carousel .base-carousel-cards__item:nth-child(2) .use-case-icon,
.why-use-carousel .base-carousel-cards__item:nth-child(2) .why-use-icon {
  background: linear-gradient(145deg, #34d399 0%, #0f766e 100%);
}

.use-cases-carousel .base-carousel-cards__item:nth-child(3) .use-case-icon,
.why-use-carousel .base-carousel-cards__item:nth-child(3) .why-use-icon {
  background: linear-gradient(145deg, #fbbf24 0%, #b45309 100%);
}

.use-cases-carousel .base-carousel-cards__item:nth-child(4) .use-case-icon,
.why-use-carousel .base-carousel-cards__item:nth-child(4) .why-use-icon {
  background: linear-gradient(145deg, #60a5fa 0%, #1e3a8a 100%);
}

.use-cases-carousel .base-carousel-cards__item:nth-child(5) .use-case-icon,
.why-use-carousel .base-carousel-cards__item:nth-child(5) .why-use-icon {
  background: linear-gradient(145deg, #f472b6 0%, #be185d 100%);
}

.use-cases-carousel .base-carousel-cards__item:nth-child(6) .use-case-icon,
.why-use-carousel .base-carousel-cards__item:nth-child(6) .why-use-icon {
  background: linear-gradient(145deg, #a78bfa 0%, #4338ca 100%);
}

.features-carousel {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  padding: 0 72px;
}

.features-carousel .feature-card {
  width: 100%;
  height: 100%;
}

@media (max-width: 768px) {
  .use-cases-carousel {
    padding: 0 52px;
  }

  .use-cases-carousel .base-carousel-cards__controls,
  .why-use-carousel .base-carousel-cards__controls,
  .features-carousel .base-carousel-cards__controls {
    left: 0;
    right: 0;
  }

  .use-cases-carousel .base-carousel-cards__nav--prev,
  .why-use-carousel .base-carousel-cards__nav--prev,
  .features-carousel .base-carousel-cards__nav--prev {
    left: -18px;
  }

  .use-cases-carousel .base-carousel-cards__nav--next,
  .why-use-carousel .base-carousel-cards__nav--next,
  .features-carousel .base-carousel-cards__nav--next {
    right: -18px;
  }

  .use-cases-carousel .base-carousel-cards__nav,
  .why-use-carousel .base-carousel-cards__nav,
  .features-carousel .base-carousel-cards__nav {
    width: 42px;
    height: 42px;
    min-width: 42px;
    min-height: 42px;
  }

  .why-use-carousel {
    padding: 0 52px;
  }

  .features-carousel {
    padding: 0 52px;
  }
}

.use-case-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--link, #0066cc);
}

[data-theme='dark'] .use-case-card {
  background: var(--card-bg, #1e1e1e);
  border-color: var(--border-color, #404040);
}

[data-theme='dark'] .use-case-card:hover {
  border-color: #6b9fff;
}

.use-case-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--link, #0066cc);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.use-case-icon i {
  font-size: 24px;
  color: white;
}

.use-case-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--link, #0066cc);
  margin: 0 0 16px 0;
  line-height: 1.3;
}

[data-theme='dark'] .use-case-title {
  color: #6b9fff;
}

.use-case-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-color, #1a1a1a);
  margin: 0;
  flex-grow: 1;
}

[data-theme='dark'] .use-case-description {
  color: var(--text-color, #e0e0e0);
}

/* Why You Should Use a Port Checker Tool Section */
.why-use-section {
  margin-top: 64px;
  padding: 48px 0;
}

.why-use-description {
  font-size: 18px;
  color: var(--muted-text, #666);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 64px auto;
  line-height: 1.7;
}

[data-theme='dark'] .why-use-description {
  color: var(--muted-text, #b0b0b0);
}

.why-use-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.why-use-card {
  background: var(--card-bg, #fff);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 1px solid var(--border-color, #e0e0e0);
}

.why-use-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border-color: var(--link, #0066cc);
}

[data-theme='dark'] .why-use-card {
  background: var(--card-bg, #1e1e1e);
  border-color: var(--border-color, #404040);
}

[data-theme='dark'] .why-use-card:hover {
  border-color: #6b9fff;
}

.why-use-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--link, #0066cc);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.why-use-icon i {
  font-size: 27px;
  color: white;
}

.why-use-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--link, #0066cc);
  margin: 0 0 12px 0;
  line-height: 1.3;
}

[data-theme='dark'] .why-use-card-title {
  color: var(--link, #4da6ff);
}

.why-use-card-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-color, #e0e0e0);
  margin: 0;
}

[data-theme='dark'] .why-use-card-description {
  color: var(--text-color, #e0e0e0);
}

.why-use-carousel .why-use-card-description strong {
  color: inherit;
  font-weight: 700;
}

/* Features of Port Checker Tool Section */
.features-section {
  margin-top: 64px;
  padding: 48px 0;
}

.features-description {
  font-size: 18px;
  color: var(--muted-text, #666);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 64px auto;
  line-height: 1.7;
}

[data-theme='dark'] .features-description {
  color: var(--muted-text, #b0b0b0);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--card-bg, #fff);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 1px solid var(--border-color, #e0e0e0);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border-color: var(--link, #0066cc);
}

[data-theme='dark'] .feature-card {
  background: var(--card-bg, #1e1e1e);
  border-color: var(--border-color, #404040);
}

[data-theme='dark'] .feature-card:hover {
  border-color: #6b9fff;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--link, #0066cc);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.feature-icon i {
  font-size: 27px;
  color: white;
}

/* Features carousel: premium icon treatment (scoped) */
.features-carousel .feature-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin-bottom: 22px;
  position: relative;
  isolation: isolate;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 10px 26px rgba(0, 0, 0, 0.28);
}

.features-carousel .feature-icon::before {
  content: '';
  position: absolute;
  inset: -7px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(139, 167, 255, 0.22) 0%,
    rgba(139, 167, 255, 0) 72%
  );
  z-index: -1;
}

.features-carousel .feature-icon::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  opacity: 0.85;
}

.features-carousel .feature-icon i {
  font-size: 30px;
  filter: drop-shadow(0 2px 8px rgba(255, 255, 255, 0.22));
}

.features-carousel .base-carousel-cards__item:nth-child(1) .feature-icon {
  background: linear-gradient(145deg, #4cc9f0 0%, #1d4ed8 100%);
}

.features-carousel .base-carousel-cards__item:nth-child(2) .feature-icon {
  background: linear-gradient(145deg, #34d399 0%, #0f766e 100%);
}

.features-carousel .base-carousel-cards__item:nth-child(3) .feature-icon {
  background: linear-gradient(145deg, #fbbf24 0%, #b45309 100%);
}

.features-carousel .base-carousel-cards__item:nth-child(4) .feature-icon {
  background: linear-gradient(145deg, #60a5fa 0%, #1e3a8a 100%);
}

.features-carousel .base-carousel-cards__item:nth-child(5) .feature-icon {
  background: linear-gradient(145deg, #f472b6 0%, #be185d 100%);
}

.features-carousel .base-carousel-cards__item:nth-child(6) .feature-icon {
  background: linear-gradient(145deg, #a78bfa 0%, #4338ca 100%);
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--link, #0066cc);
  margin: 0 0 12px 0;
  line-height: 1.3;
}

[data-theme='dark'] .feature-title {
  color: var(--link, #4da6ff);
}

.feature-description {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-color, #e0e0e0);
  margin: 0;
}

[data-theme='dark'] .feature-description {
  color: var(--text-color, #e0e0e0);
}

.features-carousel .feature-description strong {
  color: inherit;
  font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
  .why-use-grid,
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .why-use-card,
  .feature-card {
    padding: 16px;
  }

  .why-use-icon,
  .feature-icon {
    width: 56px;
    height: 56px;
    font-size: 24px;
    margin-bottom: 16px;
  }

  .use-cases-carousel .use-case-icon,
  .why-use-carousel .why-use-icon {
    width: 62px;
    height: 62px;
  }

  .use-cases-carousel .use-case-icon i,
  .why-use-carousel .why-use-icon i {
    font-size: 25px;
  }

  .features-carousel .feature-icon {
    width: 62px;
    height: 62px;
  }

  .features-carousel .feature-icon i {
    font-size: 25px;
  }

  .why-use-card-title,
  .feature-title {
    font-size: 16px;
    margin-bottom: 8px;
  }

  .why-use-card-description,
  .feature-description {
    font-size: 16px;
  }
}

/* FAQ Section */
.faq-section {
  margin-top: 64px;
  padding: 48px 0;
}

.faq-description {
  font-size: 18px;
  color: var(--muted-text, #666);
  text-align: center;
  max-width: 900px;
  margin: 0 auto 64px auto;
  line-height: 1.7;
}

[data-theme='dark'] .faq-description {
  color: var(--muted-text, #b0b0b0);
}

.faq-container {
  max-width: 900px;
  margin: 50px auto 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-medium, 12px);
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
  width: 100%;
  box-sizing: border-box;
}

.faq-item:hover {
  border-color: var(--primary-blue, var(--link, #0066cc));
  box-shadow:
    0 4px 20px rgba(99, 102, 241, 0.15),
    0 0 0 1px rgba(99, 102, 241, 0.05) inset;
  transform: translateX(5px);
}

.faq-item[aria-expanded='true'] {
  border-color: var(--primary-blue, var(--link, #0066cc));
}

.faq-question {
  width: 100%;
  max-width: 100%;
  background: transparent;
  border: none !important;
  padding: 20px 25px;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 25px;
  color: var(--heading-color);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.3s ease;
  font-family: inherit;
  box-sizing: border-box;
  overflow: hidden;
  white-space: normal;
}

.faq-question span {
  flex: 1 1 auto !important;
  min-width: 0 !important;
  max-width: 100% !important;
  word-wrap: break-word !important;
  overflow-wrap: anywhere !important;
  word-break: break-word !important;
  line-height: 1.5;
  white-space: normal !important;
  display: block;
}

.faq-question:hover {
  color: var(--primary-blue, var(--link, #0066cc));
}

.faq-item[aria-expanded='true'] .faq-question {
  color: var(--primary-blue, var(--link, #0066cc));
}

.faq-question i {
  font-size: 0.9em;
  color: var(--primary-blue, var(--link, #0066cc));
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.4s ease,
    padding 0.3s ease;
  padding: 0 25px;
}

.faq-item[aria-expanded='true'] .faq-answer {
  padding: 0 25px 20px 25px;
}

.faq-answer p {
  color: var(--muted-text);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 12px 0;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer strong {
  color: var(--primary-blue, var(--link, #0066cc));
  font-weight: 600;
}

[data-theme='dark'] .faq-item {
  background: var(--card-bg, #1e1e1e);
  border-color: var(--border-color, #404040);
}

[data-theme='dark'] .faq-item:hover {
  background: var(--card-bg, #1e1e1e);
  box-shadow:
    0 3px 15px rgba(99, 102, 241, 0.1),
    0 0 0 1px rgba(99, 102, 241, 0.05) inset;
}

[data-theme='dark'] .faq-item[aria-expanded='true'] {
  background: var(--card-bg, #1e1e1e);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.12);
}

[data-theme='dark'] .faq-question {
  color: var(--heading-color, #e0e0e0);
}

[data-theme='dark'] .faq-answer p {
  color: var(--muted-text, #b0b0b0);
}

@media (max-width: 768px) {
  .faq-item {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .faq-question {
    padding: 18px 20px;
    font-size: 0.95em;
    align-items: flex-start;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
  }

  .faq-question span {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    max-width: calc(100% - 30px) !important;
    padding-right: 0;
    word-wrap: break-word !important;
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
    hyphens: auto;
    white-space: normal !important;
    display: block !important;
  }

  .faq-question i {
    flex-shrink: 0;
    flex-grow: 0;
    align-self: flex-start;
    margin-top: 2px;
    width: auto;
  }

  .faq-answer {
    padding: 0 20px;
  }

  .faq-item[aria-expanded='true'] .faq-answer {
    padding: 0 20px 18px 20px;
  }
}

.reference-section {
  margin-top: 64px;
  padding: 32px 0;
}

.reference-description {
  font-size: 18px;
  color: var(--muted-text, #666);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 32px auto;
  line-height: 1.7;
}

[data-theme='dark'] .reference-description {
  color: var(--muted-text, #b0b0b0);
}

.ports-table-wrapper {
  margin-top: 24px;
}

.ports-col-name {
  width: 36%;
}

.ports-col-description {
  width: auto;
}

.ports-col-action {
  width: 120px;
}

.ports-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.16);
  color: var(--link, #6366f1);
}

.ports-icon i {
  font-size: 18px;
}

.ports-name {
  display: flex;
  align-items: center;
  gap: 25px;
}

.ports-name strong {
  font-size: 16px;
  line-height: 1.4;
  color: var(--link, #4da6ff);
}

.ports-action {
  text-align: center;
}

.ports-use-btn {
  width: 36px;
  height: 36px;
  min-width: 36px;
  padding: 0;
  font-size: 14px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ports-use-btn i {
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .port-checker-page {
    padding: 16px;
  }

  .page-header h1 {
    font-size: 24px;
  }

  .page-description {
    font-size: 14px;
  }

  .main-tool {
    padding: 24px;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .quick-ports {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .history-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .ports-use-btn {
    width: 34px;
    height: 34px;
    min-width: 34px;
  }

  .how-it-works-description {
    font-size: 15px;
    margin-bottom: 48px;
  }

  .steps-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .step-item:not(:last-child)::after {
    display: none;
  }

  .step-number {
    width: 72px;
    height: 72px;
    font-size: 24px;
  }

  .step-content {
    padding: 24px;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .use-case-card {
    padding: 24px;
  }
}

/* IP Tools Page Styles */
.ip-tools-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* IP Display Card */
.main-ip-section {
  margin-bottom: 48px;
}

.ip-display-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  text-align: center;
}

[data-theme='dark'] .ip-display-card {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.ip-display-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--heading-color, #1a1a1a);
  margin: 0 0 32px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.ip-display-header h2 i {
  color: var(--link, #0066cc);
}

[data-theme='dark'] .ip-display-header h2 {
  color: var(--heading-color, #e0e0e0);
}

.ip-display-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* IP Info Container - Complete Redesign */
.ip-info-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* IP Hero Section */
.ip-hero-section {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: relative;
  z-index: 1;
  isolation: isolate;
}

[data-theme='dark'] .ip-hero-section {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.ip-hero-header {
  margin-bottom: 20px;
}

.ip-hero-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading-color, #1a1a1a);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ip-hero-header h2 i {
  color: var(--link, #0066cc);
  font-size: 18px;
}

[data-theme='dark'] .ip-hero-header h2 {
  color: var(--heading-color, #e0e0e0);
}

.btn-refresh-ip {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100, #f0f0f0);
  color: var(--text-color, #333);
  border: 1px solid var(--border-color, #ddd);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.btn-refresh-ip:hover {
  background: var(--gray-200, #e0e0e0);
  border-color: var(--link, #0066cc);
  color: var(--link, #0066cc);
  transform: rotate(90deg);
}

.btn-refresh-ip:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

[data-theme='dark'] .btn-refresh-ip {
  background: var(--gray-900, #0f0f0f);
  border-color: var(--gray-700, #3a3a3a);
  color: var(--text-color, #e0e0e0);
}

[data-theme='dark'] .btn-refresh-ip:hover {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--link, #4da6ff);
  color: var(--link, #4da6ff);
}

/* IP Hero Display - Side by Side Design */
.ip-hero-display {
  width: 100%;
}

.ip-addresses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.ip-address-card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: rgba(0, 102, 204, 0.05);
  border: 1px solid transparent;
  border-radius: 12px;
  transition: all 0.2s ease;
}

[data-theme='dark'] .ip-address-card {
  background: rgba(77, 166, 255, 0.1) !important;
  border-color: transparent !important;
}

.ip-address-card:hover {
  border-color: var(--link, #0066cc);
  background: rgba(0, 102, 204, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

[data-theme='dark'] .ip-address-card:hover {
  background: rgba(77, 166, 255, 0.15) !important;
  border-color: var(--link, #4da6ff) !important;
  box-shadow: 0 4px 12px rgba(77, 166, 255, 0.25);
}

.ip-card-header {
  margin-bottom: 16px;
  position: relative;
  z-index: 10;
}

.ip-card-label {
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
}

.ip-protocol-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--muted-text, #666);
  text-transform: uppercase;
  letter-spacing: 1px;
}

[data-theme='dark'] .ip-protocol-name {
  color: var(--muted-text, #b0b0b0);
}

.ip-card-body {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
}

.ip-address-text {
  font-family: 'Courier New', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  font-size: 21px;
  font-weight: 700;
  color: var(--text-color, #1a1a1a);
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  flex: 1;
  word-break: break-all;
  line-height: 1.5;
}

[data-theme='dark'] .ip-address-text {
  color: var(--text-color, #e0e0e0);
}

.ip-address-text.not-detected {
  color: var(--muted-text, #999);
  font-style: italic;
  font-weight: 400;
  font-size: 15px;
}

[data-theme='dark'] .ip-address-text.not-detected {
  color: var(--muted-text, #999);
}

.btn-copy-ip-card {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-color, #ddd);
  border-radius: 6px;
  color: var(--muted-text, #666);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
  flex-shrink: 0;
  font-size: 13px;
}

.btn-copy-ip-card:hover {
  background: rgba(0, 102, 204, 0.1);
  border-color: var(--link, #0066cc);
  color: var(--link, #0066cc);
  transform: scale(1.05);
}

[data-theme='dark'] .btn-copy-ip-card {
  border-color: var(--gray-700, #3a3a3a);
  color: var(--muted-text, #b0b0b0);
}

[data-theme='dark'] .btn-copy-ip-card:hover {
  background: rgba(77, 166, 255, 0.2);
  border-color: var(--link, #4da6ff);
  color: var(--link, #4da6ff);
}

/* IP Tooltip Popup */
.ip-tooltip-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  padding: 32px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  z-index: 1000;
}

[data-theme='dark'] .ip-tooltip-popup {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.tooltip-content {
  position: relative;
}

.tooltip-content h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading-color, #1a1a1a);
  margin: 0 0 16px 0;
}

[data-theme='dark'] .tooltip-content h4 {
  color: var(--heading-color, #e0e0e0);
}

.tooltip-content p {
  color: var(--text-color, #1a1a1a);
  line-height: 1.6;
  margin: 0 0 16px 0;
}

[data-theme='dark'] .tooltip-content p {
  color: var(--text-color, #e0e0e0);
}

.tooltip-content ul {
  margin: 8px 0 0 24px;
  padding: 0;
}

.tooltip-content li {
  color: var(--text-color, #1a1a1a);
  line-height: 1.6;
  margin: 8px 0;
}

[data-theme='dark'] .tooltip-content li {
  color: var(--text-color, #e0e0e0);
}

.tooltip-close {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100, #f0f0f0);
  border: 1px solid var(--border-color, #ddd);
  border-radius: 50%;
  color: var(--text-color, #333);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.tooltip-close:hover {
  background: var(--gray-200, #e0e0e0);
  border-color: var(--link, #0066cc);
  color: var(--link, #0066cc);
}

[data-theme='dark'] .tooltip-close {
  background: var(--gray-900, #0f0f0f);
  border-color: var(--gray-700, #3a3a3a);
  color: var(--text-color, #e0e0e0);
}

[data-theme='dark'] .tooltip-close:hover {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--link, #4da6ff);
  color: var(--link, #4da6ff);
}

.tooltip-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  display: none;
}

.tooltip-overlay.active {
  display: block;
}

.ip-address-value {
  font-family: 'Courier New', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  font-size: 24px;
  font-weight: 700;
  color: var(--link, #0066cc);
  flex: 1;
  text-align: left;
}

[data-theme='dark'] .ip-address-value,
body[data-theme='dark'] .ip-address-value,
html[data-theme='dark'] .ip-address-value {
  color: #ffffff;
}

/* IP Details Section */
.ip-details-section {
  width: 100%;
  margin-bottom: 32px;
  position: relative;
}

/* IP Details Toggle Button */
.ip-details-toggle {
  width: 100%;
  background: var(--card-bg, #fff);
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 10px;
  padding: 24px 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  user-select: none;
}

.ip-details-toggle.active {
  border-radius: 10px 10px 0 0;
}

[data-theme='dark'] .ip-details-toggle {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

.ip-details-toggle:hover {
  background: rgba(0, 102, 204, 0.05);
  border-color: var(--border-color, #e0e0e0);
}

[data-theme='dark'] .ip-details-toggle:hover {
  background: rgba(0, 102, 204, 0.1);
  border-color: var(--gray-700, #404040);
}

.ip-details-toggle.active {
  border-color: var(--border-color, #e0e0e0);
  border-bottom-color: transparent;
  background: rgba(0, 102, 204, 0.05);
}

[data-theme='dark'] .ip-details-toggle.active {
  background: rgba(0, 102, 204, 0.1);
  border-color: var(--gray-700, #404040);
}

.ip-details-toggle.active .ip-details-icon {
  transform: rotate(180deg);
}

.ip-details-toggle-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
}

.ip-details-icon {
  font-size: 14px;
  color: var(--link, #0066cc);
  transition:
    transform 0.3s ease,
    color 0.3s ease;
}

.ip-details-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-color, #1a1a1a);
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 0;
  border: none;
}

.ip-details-title i {
  color: var(--link, #0066cc);
  font-size: 17px;
}

[data-theme='dark'] .ip-details-title {
  color: var(--text-color, #e0e0e0);
}

/* IP Details Panel (Collapsible Content) */
.ip-details-panel {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.4s ease,
    padding 0.4s ease,
    margin 0.4s ease;
  margin-top: 0;
  padding: 0 24px;
  background: var(--card-bg, #fff);
  border-radius: 0 0 10px 10px;
  border: 2px solid var(--border-color, #e0e0e0);
  border-top: none;
  border-width: 0;
}

.ip-details-panel.open {
  border-width: 2px;
}

[data-theme='dark'] .ip-details-panel {
  background: var(--gray-800, #2d2d2d);
  border-color: var(--gray-700, #404040);
}

.ip-details-panel.open {
  max-height: 2000px;
  margin-top: 0;
  padding: 24px;
  animation: slideDown 0.4s ease;
}

.ip-details-panel-inner {
  opacity: 0;
  transition: opacity 0.3s ease 0.1s;
}

.ip-details-panel.open .ip-details-panel-inner {
  opacity: 1;
}

.ip-details-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.ip-detail-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: rgba(0, 102, 204, 0.05);
  border: 1px solid transparent;
  border-radius: 8px;
  transition: all 0.2s ease;
  min-height: 56px;
}

[data-theme='dark'] .detail-row {
  background: rgba(77, 166, 255, 0.1);
  border-color: transparent;
}

.detail-row:hover {
  border-color: var(--link, #0066cc);
  background: rgba(0, 102, 204, 0.1);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 102, 204, 0.15);
}

[data-theme='dark'] .detail-row:hover {
  background: rgba(77, 166, 255, 0.15);
  border-color: var(--link, #4da6ff);
  box-shadow: 0 2px 8px rgba(77, 166, 255, 0.2);
}

.detail-row.loading-state {
  opacity: 0.6;
}

.detail-row.loading-state .detail-value {
  color: var(--muted-text, #999);
  font-style: italic;
}

.detail-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted-text, #666);
  flex-shrink: 0;
}

.detail-label i {
  color: var(--link, #0066cc);
  width: 20px;
  text-align: center;
}

[data-theme='dark'] .detail-label {
  color: var(--muted-text, #b0b0b0);
}

[data-theme='dark'] .detail-label i {
  color: var(--link, #4da6ff);
}

.detail-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-color, #1a1a1a);
  text-align: right;
  word-break: break-word;
  flex: 1;
  margin-left: 16px;
}

[data-theme='dark'] .detail-value {
  color: var(--text-color, #e0e0e0);
}

/* Loading Overlay */
.ip-loading-overlay {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

[data-theme='dark'] .ip-loading-overlay {
  background: rgba(31, 31, 31, 0.95);
}

.loading-spinner {
  text-align: center;
  color: var(--text-color, #1a1a1a);
}

.loading-spinner i {
  font-size: 24px;
  color: var(--link, #0066cc);
  margin-bottom: 16px;
}

.loading-spinner p {
  margin: 0;
  font-size: 16px;
  color: var(--muted-text, #666);
}

[data-theme='dark'] .loading-spinner {
  color: var(--text-color, #e0e0e0);
}

[data-theme='dark'] .loading-spinner p {
  color: var(--muted-text, #b0b0b0);
}

.btn-copy-ip {
  padding: 12px 24px;
  background: var(--link, #0066cc);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-copy-ip:hover {
  background: #0052a3;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.ip-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(0, 102, 204, 0.1);
  color: var(--link, #0066cc);
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
}

[data-theme='dark'] .ip-type-badge {
  background: rgba(77, 166, 255, 0.2);
  color: var(--link, #4da6ff);
}

/* IP Information Card */
.ip-info-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

[data-theme='dark'] .ip-info-card {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.ip-info-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .ip-info-header {
  border-bottom-color: var(--gray-700, #3a3a3a);
}

.ip-info-header h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--heading-color, #1a1a1a);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ip-info-header h3 i {
  color: var(--link, #0066cc);
}

[data-theme='dark'] .ip-info-header h3 {
  color: var(--heading-color, #e0e0e0);
}

.btn-refresh {
  padding: 12px 20px;
  background: var(--gray-100, #f0f0f0);
  color: var(--text-color, #333);
  border: 2px solid var(--border-color, #ddd);
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-refresh:hover {
  background: var(--gray-200, #e0e0e0);
  border-color: var(--link, #0066cc);
  color: var(--link, #0066cc);
}

[data-theme='dark'] .btn-refresh {
  background: var(--gray-900, #0f0f0f);
  border-color: var(--gray-700, #3a3a3a);
  color: var(--text-color, #e0e0e0);
}

.ip-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.ip-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--gray-50, #f8f9fa);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  transition: all 0.2s ease;
}

[data-theme='dark'] .ip-info-item {
  background: var(--gray-900, #0f0f0f);
  border-color: var(--gray-700, #3a3a3a);
}

.ip-info-item:hover {
  border-color: var(--link, #0066cc);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.1);
  transform: translateY(-2px);
}

.ip-info-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 102, 204, 0.1);
  border-radius: 10px;
  flex-shrink: 0;
}

.ip-info-icon i {
  font-size: 18px;
  color: var(--link, #0066cc);
}

.ip-info-content {
  flex: 1;
  min-width: 0;
}

.ip-info-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted-text, #666);
  margin-bottom: 8px;
}

[data-theme='dark'] .ip-info-label {
  color: var(--muted-text, #b0b0b0);
}

.ip-info-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color, #1a1a1a);
  word-break: break-word;
}

[data-theme='dark'] .ip-info-value {
  color: var(--text-color, #e0e0e0);
}

/* Tools Section */
.tools-section {
  margin-bottom: 64px;
}

.tools-section-description {
  max-width: 640px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.6;
  color: var(--muted-text, #666);
  text-align: center;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--heading-color, #1a1a1a);
  margin: 0 0 32px 0;
  display: flex;
  align-items: center;
  gap: 16px;
}

.section-title i {
  color: var(--link, #0066cc);
  font-size: 22px;
}

[data-theme='dark'] .section-title {
  color: var(--heading-color, #e0e0e0);
}

[data-theme='dark'] .tools-section-description {
  color: var(--muted-text, #b0b0b0);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
}

.tool-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all 0.25s ease;
  position: relative;
}

.tool-card:hover {
  border-color: #667eea;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(102, 126, 234, 0.15);
  text-decoration: none;
  color: inherit;
}

[data-theme='dark'] .tool-card:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}

.tool-icon {
  font-size: 32px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
  color: #6366f1;
  transition: transform 0.25s ease;
}

.tool-card:hover .tool-icon {
  transform: scale(1.05);
}

.tool-content {
  min-width: 0;
  flex: 1;
}

.tool-content h3 {
  margin: 0 0 6px 0;
  font-size: 18px;
  line-height: 1.35;
  color: var(--heading-color, #1a1a1a);
}

[data-theme='dark'] .tool-content h3 {
  color: var(--heading-color, #e0e0e0);
}

.tool-content p {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted-text, #666);
}

[data-theme='dark'] .tool-content p {
  color: var(--muted-text, #b0b0b0);
}

.tool-card[data-tool-category='ip'] .tool-icon {
  color: #4f46e5;
}

.tool-card[data-tool-category='network'] .tool-icon {
  color: #0ea5e9;
}

.tool-card[data-tool='port-scanner'] .tool-icon {
  color: #f59e0b;
}

.tool-card[data-tool='proxy-check'] .tool-icon {
  color: #22c55e;
}

.tool-card[data-tool='ip-blacklist-checker'] .tool-icon {
  color: #ef4444;
}

/* Info Section */
.info-section {
  margin-bottom: 64px;
}

.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 32px;
}

.info-card-full-width {
  grid-column: 1 / -1;
}

.info-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

[data-theme='dark'] .info-card {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.info-card-header h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--link, #0066cc);
  margin: 0 0 24px 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

[data-theme='dark'] .info-card-header h3 {
  color: var(--link, #4da6ff);
}

.info-card-content {
  color: var(--text-color, #1a1a1a);
  line-height: 1.7;
}

[data-theme='dark'] .info-card-content {
  color: var(--text-color, #e0e0e0);
}

.info-card-content p {
  margin: 0 0 16px 0;
}

.info-card-content strong {
  color: var(--heading-color, #1a1a1a);
  font-weight: 700;
}

[data-theme='dark'] .info-card-content strong {
  color: var(--heading-color, #e0e0e0);
}

.info-card-content ul {
  margin: 8px 0 24px 24px;
  padding: 0;
}

.info-card-content li {
  margin: 8px 0;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.comparison-table th,
.comparison-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .comparison-table th,
[data-theme='dark'] .comparison-table td {
  border-bottom-color: var(--gray-700, #3a3a3a);
}

.comparison-table th {
  background: var(--gray-100, #f0f0f0);
  font-weight: 700;
  color: var(--heading-color, #1a1a1a);
}

[data-theme='dark'] .comparison-table th {
  background: var(--gray-900, #0f0f0f);
  color: var(--heading-color, #e0e0e0);
}

.comparison-table tr:hover {
  background: rgba(0, 102, 204, 0.05);
}

[data-theme='dark'] .comparison-table tr:hover {
  background: rgba(77, 166, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
  .ip-tools-page {
    padding: 16px;
  }

  .ip-display-card {
    padding: 24px;
  }

  .ip-addresses-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ip-address-text {
    font-size: 17px;
  }

  .ip-address-text.not-detected {
    font-size: 16px;
  }

  .ip-tooltip-bubble {
    width: calc(100vw - 32px);
    max-width: 320px;
    left: auto;
    right: 0;
    transform: translateX(0) translateY(-8px);
  }

  .ip-tooltip-wrapper:hover .ip-tooltip-bubble,
  .ip-tooltip-wrapper:focus-within .ip-tooltip-bubble {
    transform: translateX(0) translateY(0);
  }

  .tooltip-arrow {
    left: auto;
    right: 16px;
    transform: translateX(0);
  }

  .ip-hero-section {
    padding: 20px;
  }

  .ip-hero-header h2 {
    font-size: 16px;
  }

  .ip-tooltip-popup {
    max-width: 95%;
    padding: 24px;
  }

  .tooltip-content h4 {
    font-size: 16px;
  }

  .ip-details-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .detail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    min-height: auto;
    padding: 16px;
  }

  .detail-value {
    text-align: left;
    margin-left: 0;
    width: 100%;
  }

  .ip-hero-header h2 {
    font-size: 18px;
  }

  .ip-info-grid {
    grid-template-columns: 1fr;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .info-cards {
    grid-template-columns: 1fr;
  }

  .comparison-table {
    font-size: 14px;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 12px 8px;
  }
}

/* Subnet Calculator Styles */
.subnet-results {
  margin-top: 32px;
  background: var(--card-bg, #fff);
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 16px;
  padding: 32px;
  animation: fadeIn 0.3s ease;
}

[data-theme='dark'] .subnet-results {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.results-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .results-header {
  border-bottom-color: var(--gray-700, #3a3a3a);
}

.results-header h3 {
  margin: 0;
  font-size: 18px;
  color: var(--heading-color, #1a1a1a);
  display: flex;
  align-items: center;
  gap: 12px;
}

[data-theme='dark'] .results-header h3 {
  color: var(--heading-color, #e0e0e0);
}

.results-header h3 i {
  color: var(--link, #0066cc);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.result-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-label {
  font-size: 14px;
  color: var(--text-color, #333);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

[data-theme='dark'] .result-label {
  color: var(--text-color, #d0d0d0);
}

.result-label i {
  color: var(--link, #0066cc);
  font-size: 16px;
}

.result-value {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-color, #1a1a1a);
  font-family: monospace;
  word-break: break-all;
}

[data-theme='dark'] .result-value {
  color: var(--text-color, #e0e0e0);
}

@media (max-width: 768px) {
  .results-grid {
    grid-template-columns: 1fr;
  }

  .subnet-results {
    padding: 24px;
  }

  .results-header h3 {
    font-size: 16px;
  }

  .result-value {
    font-size: 17px;
  }

  .result-label {
    font-size: 16px;
  }

  .result-label i {
    font-size: 15px;
  }
}

/* IPv4 to IPv6 Converter Copy Buttons */
.btn-copy-result {
  margin-top: 8px;
  padding: 8px 16px;
  background: var(--link, #0066cc);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-copy-result:hover {
  background: var(--link-hover, #0052a3);
  transform: translateY(-1px);
}

.btn-copy-result.copied {
  background: #27ae60;
}

[data-theme='dark'] .btn-copy-result {
  background: var(--link, #4da6ff);
}

[data-theme='dark'] .btn-copy-result:hover {
  background: var(--link-hover, #66b3ff);
}

.result-item {
  position: relative;
}

.result-ttl {
  font-size: 14px;
  color: var(--text-color, #333);
  margin-top: 8px;
  font-weight: 600;
  line-height: 1.4;
}

[data-theme='dark'] .result-ttl,
.dark .result-ttl,
body[data-theme='dark'] .result-ttl,
html[data-theme='dark'] .result-ttl,
body.dark .result-ttl {
  color: var(--text-color, #e0e0e0);
  font-weight: 600;
}

/* Toast Notification Styles - Using framework's toast.css */

/* ASN Lookup Batch Mode Styles - simplesize.app style */
.mode-toggle-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin: 0 auto 40px auto;
  padding: 0;
  gap: 16px;
}

.mode-toggle {
  display: inline-flex;
  gap: 0;
  background: transparent;
  border: none;
  border-radius: 12px;
  padding: 6px;
  box-shadow: none;
  position: relative;
  overflow: visible;
}

.mode-btn {
  flex: 1;
  padding: 14px 28px;
  background: transparent;
  border: 2px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-400, #999);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  z-index: 1;
  min-width: 140px;
}

[data-theme='light'] .mode-btn {
  color: var(--gray-500, #888);
}

.mode-btn i {
  color: inherit;
  transition: color 0.3s ease;
}

.mode-btn:hover:not(.active) {
  color: var(--gray-300, #bbb);
  background: transparent;
}

[data-theme='light'] .mode-btn:hover:not(.active) {
  color: var(--gray-600, #666);
  background: transparent;
}

[data-theme='dark'] .mode-btn:hover:not(.active) {
  color: var(--gray-200, #ddd);
  background: rgba(255, 255, 255, 0.05);
}

.mode-btn.active {
  color: #fff !important;
  font-weight: 700;
  z-index: 2;
}

.mode-btn.active i {
  color: #fff !important;
}

.mode-btn.active::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #93c5fd 0%, #c4b5fd 100%);
  border-radius: 10px;
  z-index: -1;
}

[data-theme='light'] .mode-btn.active::before {
  background: linear-gradient(135deg, #93c5fd 0%, #c4b5fd 100%);
}

[data-theme='dark'] .mode-btn.active::before {
  background: linear-gradient(135deg, #93c5fd 0%, #c4b5fd 100%);
}

.mode-btn.active::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 12px;
  padding: 2px;
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #8b5cf6 100%);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: -1;
  box-shadow:
    0 0 12px rgba(96, 165, 250, 0.6),
    0 0 24px rgba(59, 130, 246, 0.4),
    0 0 36px rgba(139, 92, 246, 0.3);
  animation: glow-pulse 2s ease-in-out infinite;
}

[data-theme='light'] .mode-btn.active::after {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  box-shadow:
    0 0 16px rgba(59, 130, 246, 0.5),
    0 0 32px rgba(139, 92, 246, 0.4),
    0 0 48px rgba(139, 92, 246, 0.3);
}

/* Tooltip wrapper - used throughout the project */
.tooltip-wrapper {
  position: relative;
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
  margin-left: 8px;
}

.tooltip-wrapper .tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: #6c757d;
  font-size: 12px;
  border-radius: 50%;
  background-color: rgba(108, 117, 125, 0.1);
  transition: all 0.2s ease;
  vertical-align: middle;
  line-height: 1;
}

.tooltip-wrapper:hover .tooltip-icon,
.tooltip-wrapper:focus .tooltip-icon {
  color: #495057;
  background-color: rgba(108, 117, 125, 0.2);
}

/* Tooltip icon in active mode buttons - needs to be visible on light gradient */
.mode-btn.active .tooltip-wrapper .tooltip-icon {
  color: #fff;
  background-color: rgba(0, 0, 0, 0.2);
}

.mode-btn.active .tooltip-wrapper:hover .tooltip-icon,
.mode-btn.active .tooltip-wrapper:focus .tooltip-icon {
  color: #fff;
  background-color: rgba(0, 0, 0, 0.3);
}

/* Dark theme tooltip icon */
[data-theme='dark'] .tooltip-wrapper .tooltip-icon {
  color: #adb5bd;
  background-color: rgba(173, 181, 189, 0.15);
}

[data-theme='dark'] .tooltip-wrapper:hover .tooltip-icon,
[data-theme='dark'] .tooltip-wrapper:focus .tooltip-icon {
  color: #ced4da;
  background-color: rgba(173, 181, 189, 0.25);
}

[data-theme='dark'] .mode-btn.active .tooltip-wrapper .tooltip-icon {
  color: #fff;
  background-color: rgba(0, 0, 0, 0.3);
}

[data-theme='dark'] .mode-btn.active .tooltip-wrapper:hover .tooltip-icon,
[data-theme='dark'] .mode-btn.active .tooltip-wrapper:focus .tooltip-icon {
  color: #fff;
  background-color: rgba(0, 0, 0, 0.4);
}

/* Tooltip styling is handled by startup_cms base_tooltip.js */
/* Only keep icon styling here, bubble is created by JS */

@keyframes glow-pulse {
  0%,
  100% {
    opacity: 1;
    box-shadow:
      0 0 12px rgba(96, 165, 250, 0.6),
      0 0 24px rgba(59, 130, 246, 0.4),
      0 0 36px rgba(139, 92, 246, 0.3);
  }
  50% {
    opacity: 0.8;
    box-shadow:
      0 0 16px rgba(96, 165, 250, 0.8),
      0 0 32px rgba(59, 130, 246, 0.6),
      0 0 48px rgba(139, 92, 246, 0.5);
  }
}

.mode-toggle-info {
  width: 100%;
  max-width: 600px;
  padding: 12px 16px;
  background: var(--card-bg, #fff);
  border-radius: 8px;
  border: 1px solid var(--border-color, #e0e0e0);
  display: none;
}

.mode-toggle-info.mobile-only {
  display: block;
}

@media (min-width: 769px) {
  .mode-toggle-info.mobile-only {
    display: none;
  }
}

[data-theme='dark'] .mode-toggle-info {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--border-color, #333);
}

.mode-info-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted, #666);
  line-height: 1.5;
}

[data-theme='dark'] .mode-info-item {
  color: var(--text-muted, #999);
}

.mode-info-item i {
  margin-top: 2px;
  color: var(--primary-color, #0066cc);
  flex-shrink: 0;
}

[data-theme='dark'] .mode-info-item i {
  color: var(--primary-color, #4da6ff);
}

.input-mode {
  transition: opacity 0.3s ease;
}

.input-field.full-width {
  width: 100%;
}

.input-field.full-width input,
.input-field.full-width textarea {
  width: 100%;
}

/* Dropzone Styles (from pdfdeal.com) */
.dropzone {
  border: 2px dashed var(--border-color, #e0e0e0);
  border-radius: 12px;
  padding: 48px 32px;
  text-align: center;
  background: var(--card-bg, #fff);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

[data-theme='dark'] .dropzone {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.dropzone::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 102, 204, 0.1),
    transparent
  );
  transition: left 0.5s ease;
}

[data-theme='dark'] .dropzone::before {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(77, 166, 255, 0.1),
    transparent
  );
}

.dropzone:hover {
  border-color: var(--link, #0066cc);
  background: rgba(0, 102, 204, 0.02);
}

[data-theme='dark'] .dropzone:hover {
  background: rgba(77, 166, 255, 0.05);
  border-color: var(--link, #4da6ff);
}

.dropzone:hover::before {
  left: 100%;
}

.dropzone.drag-over {
  border-color: var(--link, #0066cc);
  background: rgba(0, 102, 204, 0.1);
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

[data-theme='dark'] .dropzone.drag-over {
  background: rgba(77, 166, 255, 0.15);
  border-color: var(--link, #4da6ff);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.dropzone.drag-over::before {
  left: 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.dropzone-icon {
  font-size: 40px;
  color: var(--link, #0066cc);
  margin-bottom: 16px;
  animation: bounce 2s infinite;
}

[data-theme='dark'] .dropzone-icon {
  color: var(--link, #4da6ff);
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.dropzone.drag-over .dropzone-icon {
  animation: pulse 0.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.dropzone-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--heading-color, #1a1a1a);
  margin-bottom: 8px;
}

[data-theme='dark'] .dropzone-text {
  color: var(--heading-color, #e0e0e0);
}

.dropzone-hint {
  color: var(--muted-text, #666);
  font-size: 14px;
}

[data-theme='dark'] .dropzone-hint {
  color: var(--muted-text, #999);
}

.dropzone-file-input {
  display: none;
}

.file-name-display {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--gray-100, #f5f5f5);
  border-radius: 8px;
  color: var(--text-color, #1a1a1a);
  font-size: 14px;
}

[data-theme='dark'] .file-name-display {
  background: var(--gray-700, #3a3a3a);
  color: var(--text-color, #e0e0e0);
}

.file-name-display i {
  color: var(--link, #0066cc);
}

[data-theme='dark'] .file-name-display i {
  color: var(--link, #4da6ff);
}

.file-name-display span {
  flex: 1;
}

.btn-icon-small {
  padding: 4px 8px;
  background: transparent;
  border: none;
  color: var(--text-muted, #666);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.btn-icon-small:hover {
  background: var(--gray-200, #e0e0e0);
  color: var(--text-color, #1a1a1a);
}

[data-theme='dark'] .btn-icon-small {
  color: var(--text-muted, #999);
}

[data-theme='dark'] .btn-icon-small:hover {
  background: var(--gray-600, #4a4a4a);
  color: var(--text-color, #e0e0e0);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .results-header {
  border-bottom-color: var(--gray-700, #3a3a3a);
}

.results-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.results-count {
  font-size: 14px;
  color: var(--text-muted, #666);
  padding: 4px 12px;
  background: var(--gray-100, #f5f5f5);
  border-radius: 12px;
}

[data-theme='dark'] .results-count {
  color: var(--text-muted, #999);
  background: var(--gray-700, #3a3a3a);
}

.results-header-actions {
  display: flex;
  gap: 8px;
}

.batch-filters {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  padding: 16px;
  background: transparent;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  flex-wrap: wrap;
}

[data-theme='dark'] .batch-filters {
  border-color: var(--gray-700, #3a3a3a);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 150px;
  flex: 1;
}

.filter-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-color, #1a1a1a);
  display: flex;
  align-items: center;
  gap: 8px;
}

[data-theme='dark'] .filter-group label {
  color: var(--text-color, #e0e0e0);
}

.filter-select,
.filter-input {
  padding: 8px 12px;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  background: var(--card-bg, #fff);
  color: var(--text-color, #1a1a1a);
  font-size: 14px;
}

[data-theme='dark'] .filter-select,
[data-theme='dark'] .filter-input {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
  color: var(--text-color, #e0e0e0);
}

.batch-results-table-wrapper {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border-color, #e0e0e0);
  background: var(--card-bg, #fff);
}

[data-theme='dark'] .batch-results-table-wrapper {
  border-color: var(--gray-700, #3a3a3a);
  background: var(--gray-800, #1f1f1f);
}

.batch-results-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg, #fff);
}

[data-theme='dark'] .batch-results-table {
  background: var(--gray-800, #1f1f1f);
}

.batch-results-table thead {
  background: var(--gray-100, #f5f5f5);
  position: sticky;
  top: 0;
  z-index: 10;
}

[data-theme='dark'] .batch-results-table thead {
  background: var(--gray-700, #3a3a3a);
}

.batch-results-table th {
  padding: 16px;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-color, #1a1a1a);
  border-bottom: 2px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .batch-results-table th {
  color: var(--text-color, #e0e0e0);
  border-bottom-color: var(--gray-600, #4a4a4a);
}

.batch-results-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color, #e0e0e0);
  font-size: 14px;
  color: var(--text-color, #1a1a1a);
}

[data-theme='dark'] .batch-results-table td {
  color: var(--text-color, #e0e0e0);
  border-bottom-color: var(--gray-700, #3a3a3a);
}

.batch-results-table tbody tr:hover {
  background: rgba(0, 102, 204, 0.05);
}

[data-theme='dark'] .batch-results-table tbody tr:hover {
  background: rgba(77, 166, 255, 0.1);
}

.batch-results-table td .btn-icon-small {
  padding: 6.4px 9.6px;
  background: var(--link, #0066cc);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.batch-results-table td .btn-icon-small:hover {
  background: var(--link-hover, #0052a3);
  transform: translateY(-1px);
}

[data-theme='dark'] .batch-results-table td .btn-icon-small {
  background: var(--link, #4da6ff);
}

[data-theme='dark'] .batch-results-table td .btn-icon-small:hover {
  background: var(--link-hover, #66b3ff);
}

.batch-results-table td .text-muted {
  color: var(--text-muted, #999);
  font-size: 13px;
}

[data-theme='dark'] .batch-results-table td .text-muted {
  color: var(--text-muted, #666);
}

.batch-results-table tbody tr.hidden {
  display: none;
}

/* Extracted links in batch results */
.extracted-links-count {
  margin-left: 8px;
  font-size: 12px;
  color: var(--muted-text, #999);
  font-weight: 400;
}

[data-theme='dark'] .extracted-links-count {
  color: var(--muted-text, #999);
}

.extracted-links-row {
  background: var(--gray-50, #fafafa);
}

[data-theme='dark'] .extracted-links-row {
  background: var(--gray-900, #0f0f0f);
}

.extracted-links-container {
  padding: 16px;
}

.extracted-links-header {
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-color, #1a1a1a);
}

[data-theme='dark'] .extracted-links-header {
  color: var(--text-color, #e0e0e0);
}

.extracted-links-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}

.extracted-link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  background: var(--card-bg, #fff);
  border-radius: 6px;
  border: 1px solid var(--border-color, #e0e0e0);
  font-size: 14px;
}

[data-theme='dark'] .extracted-link-item {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.extracted-link-item a {
  flex: 1;
  color: var(--link, #0066cc);
  text-decoration: none;
  word-break: break-all;
}

.extracted-link-item a:hover {
  text-decoration: underline;
}

[data-theme='dark'] .extracted-link-item a {
  color: var(--link, #4da6ff);
}

.link-response-time {
  font-size: 12px;
  color: var(--muted-text, #999);
}

[data-theme='dark'] .link-response-time {
  color: var(--muted-text, #999);
}

/* Ping Console Styles */
.ping-console {
  background: var(--gray-900, #1a1a1a);
  border-radius: 8px;
  padding: 16px;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.3;
  color: #00ff00;
  max-height: 500px;
  overflow-y: auto;
}

[data-theme='dark'] .ping-console {
  background: var(--gray-900, #0a0a0a);
}

.ping-console-header {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ping-console-prompt {
  color: #00ff00;
  font-weight: bold;
  margin-right: 8px;
}

.ping-console-command {
  color: #ffffff;
}

.ping-console-output {
  max-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ping-console-output > * {
  margin: 0 !important;
  padding: 0 !important;
}

.ping-console-line {
  display: block;
  margin: 0 !important;
  padding: 2px 0 !important;
  line-height: 1.4 !important;
  word-wrap: break-word;
  white-space: pre-wrap;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 14px;
  color: #cccccc;
  flex-shrink: 0;
}

.ping-console-info {
  color: #4da6ff;
}

.ping-console-success {
  color: #00ff00;
  font-weight: bold;
}

.ping-console-error {
  color: #ff4444;
  font-weight: bold;
}

.ping-console-warning {
  color: #ffaa00;
}

.ping-console-separator {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 8px 0;
}

.ping-console-line.ping-console-separator {
  padding: 0 !important;
}

.ping-console-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ping-stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ping-stat-label {
  color: #999;
  font-size: 13px;
}

.ping-stat-value {
  color: #00ff00;
  font-weight: bold;
}

.ping-stat-success {
  color: #00ff00;
}

.ping-stat-warning {
  color: #ffaa00;
}

.ping-stat-error {
  color: #ff4444;
}

/* Scrollbar styling for console */
.ping-console-output::-webkit-scrollbar {
  width: 8px;
}

.ping-console-output::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.ping-console-output::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.ping-console-output::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* SPF Record Checker Styles */
.spf-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.spf-info-box {
  background: var(--card-bg, #fff);
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

[data-theme='dark'] .spf-info-box {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.spf-box-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted-text, #666);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

[data-theme='dark'] .spf-box-header {
  color: var(--muted-text, #999);
}

.spf-box-header i {
  color: var(--link, #0066cc);
  font-size: 16px;
}

.spf-box-content {
  flex: 1;
}

.spf-box-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-color, #1a1a1a);
  font-family: monospace;
}

[data-theme='dark'] .spf-box-value {
  color: var(--text-color, #e0e0e0);
}

.spf-status-text {
  font-size: 18px;
  font-weight: 700;
  font-family: monospace;
}

.spf-valid {
  color: #28a745;
}

.spf-invalid {
  color: #dc3545;
}

.spf-error {
  color: #dc3545;
}

.spf-warning {
  color: #ffc107;
}

.spf-record-box {
  background: var(--card-bg, #fff);
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

[data-theme='dark'] .spf-record-box {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.spf-record-code {
  display: block;
  background: transparent;
  border: 2px solid var(--border-color, #ddd);
  border-radius: 8px;
  padding: 16px;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 16px;
  word-break: break-all;
  line-height: 1.6;
  color: var(--text-color, #1a1a1a);
  margin: 0;
}

[data-theme='dark'] .spf-record-code {
  background: transparent !important;
  border-color: var(--gray-600, #4a4a4a) !important;
  border-width: 2px !important;
  color: var(--text-color, #e0e0e0) !important;
}

[data-theme='dark'] .spf-record-box .spf-record-code {
  background: transparent !important;
  border-color: var(--gray-600, #4a4a4a) !important;
  border-width: 2px !important;
  color: var(--text-color, #e0e0e0) !important;
}

[data-theme='dark'] .spf-record-box {
  background: var(--gray-800, #1f1f1f) !important;
  border-color: var(--gray-700, #3a3a3a) !important;
}

.spf-alert-box {
  background: var(--card-bg, #fff);
  border: 2px solid;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

[data-theme='dark'] .spf-alert-box {
  background: var(--gray-800, #1f1f1f);
}

.spf-error-box {
  border-color: #dc3545;
  background: rgba(220, 53, 69, 0.05);
}

[data-theme='dark'] .spf-error-box {
  background: rgba(220, 53, 69, 0.1);
}

.spf-warning-box {
  border-color: #ffc107;
  background: rgba(255, 193, 7, 0.05);
}

[data-theme='dark'] .spf-warning-box {
  background: rgba(255, 193, 7, 0.1);
}

.spf-error-box .spf-box-header {
  color: #dc3545;
}

.spf-error-box .spf-box-header i {
  color: #dc3545;
}

.spf-warning-box .spf-box-header {
  color: #ffc107;
}

.spf-warning-box .spf-box-header i {
  color: #ffc107;
}

.spf-list {
  margin: 12px 0 0 0;
  padding-left: 24px;
  list-style-type: disc;
}

.spf-list li {
  margin-bottom: 8px;
  line-height: 1.5;
  color: var(--text-color, #333);
}

[data-theme='dark'] .spf-list li {
  color: var(--text-color, #d0d0d0);
}

.spf-mechanisms-grid-box {
  background: var(--card-bg, #fff);
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

[data-theme='dark'] .spf-mechanisms-grid-box {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.spf-mechanisms-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.spf-mechanism-tag {
  display: inline-block;
  padding: 10px 16px;
  background: transparent;
  border: 2px solid var(--border-color, #ddd);
  border-radius: 8px;
  font-size: 16px;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  color: var(--text-color, #1a1a1a);
  line-height: 1.6;
}

[data-theme='dark'] .spf-mechanism-tag {
  border-color: #4a4a4a;
  color: #e0e0e0;
}

.spf-mechanism-tag strong {
  color: var(--link, #0066cc);
  font-weight: 600;
}

[data-theme='dark'] .spf-mechanism-tag strong {
  color: #4a9eff;
}

@media (max-width: 768px) {
  .spf-results-grid {
    grid-template-columns: 1fr;
  }
}

/* IP Blacklist Checker Styles */
.blacklist-results-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.blacklist-item {
  padding: 16px;
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  background: var(--card-bg, #fff);
  transition: all 0.2s ease;
}

[data-theme='dark'] .blacklist-item {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.blacklist-item.blacklist-listed {
  border-color: #dc3545;
  background: rgba(220, 53, 69, 0.05);
}

[data-theme='dark'] .blacklist-item.blacklist-listed {
  background: rgba(220, 53, 69, 0.15);
  border-color: #dc3545;
}

.blacklist-item.blacklist-clean {
  border-color: #28a745;
  background: rgba(40, 167, 69, 0.05);
}

[data-theme='dark'] .blacklist-item.blacklist-clean {
  background: rgba(40, 167, 69, 0.15);
  border-color: #28a745;
}

.blacklist-item-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.blacklist-item-header strong {
  flex: 1;
  font-size: 16px;
  color: var(--text-color, #1a1a1a);
}

[data-theme='dark'] .blacklist-item-header strong {
  color: var(--text-color, #e0e0e0);
}

.blacklist-status {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.1);
}

[data-theme='dark'] .blacklist-status {
  background: rgba(255, 255, 255, 0.1);
}

.blacklist-response {
  font-size: 14px;
  color: var(--muted-text, #666);
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .blacklist-response {
  color: var(--muted-text, #999);
  border-top-color: var(--gray-700, #3a3a3a);
}

.blacklist-error {
  font-size: 13px;
  color: #dc3545;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-color, #e0e0e0);
}

/* Email Header Analyzer Styles */
.header-info-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.header-info-item {
  padding: 12px;
  background: transparent;
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  font-size: 15px;
  line-height: 1.6;
  word-break: break-word;
  color: var(--text-color, #1a1a1a);
}

[data-theme='dark'] .header-info-item {
  background: transparent;
  border-color: var(--gray-700, #3a3a3a);
  color: var(--text-color, #e0e0e0);
}

.header-info-item strong {
  color: var(--link, #0066cc);
  margin-right: 8px;
}

[data-theme='dark'] .header-info-item strong {
  color: #4da6ff;
}

.received-chain {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.received-hop {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: transparent;
  border: 2px solid var(--border-color, #e0e0e0);
  border-left: 3px solid var(--link, #0066cc);
  border-radius: 8px;
}

[data-theme='dark'] .received-hop {
  background: transparent;
  border-color: var(--gray-700, #3a3a3a);
  border-left-color: #4da6ff;
}

.received-hop-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--link, #0066cc);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: 16px;
}

[data-theme='dark'] .received-hop-number {
  background: #4da6ff;
}

.received-hop-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 15px;
  line-height: 1.6;
}

.received-hop-ip,
.received-hop-host,
.received-hop-time {
  color: var(--text-color, #1a1a1a);
}

[data-theme='dark'] .received-hop-ip,
[data-theme='dark'] .received-hop-host,
[data-theme='dark'] .received-hop-time {
  color: var(--text-color, #e0e0e0);
}

.received-hop-ip strong,
.received-hop-host strong,
.received-hop-time strong {
  color: var(--link, #0066cc);
  margin-right: 8px;
}

[data-theme='dark'] .received-hop-ip strong,
[data-theme='dark'] .received-hop-host strong,
[data-theme='dark'] .received-hop-time strong {
  color: #4da6ff;
}

/* IPv6 Compatibility Checker Styles */
.ipv6-addresses-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ipv6-address-item {
  padding: 12px;
  background: transparent;
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
}

[data-theme='dark'] .ipv6-address-item {
  border-color: var(--gray-700, #3a3a3a);
}

.ipv6-address-code {
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 15px;
  color: var(--text-color, #1a1a1a);
  word-break: break-all;
  line-height: 1.6;
}

[data-theme='dark'] .ipv6-address-code {
  color: var(--text-color, #e0e0e0);
}

/* HTTP Headers Checker Styles */
.security-headers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.security-header-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
}

.security-header-item.security-header-present {
  border-color: #28a745;
  background: rgba(40, 167, 69, 0.05);
  color: #28a745;
}

[data-theme='dark'] .security-header-item.security-header-present {
  background: rgba(40, 167, 69, 0.15);
  color: #6cff8f;
}

.security-header-item.security-header-missing {
  border-color: #dc3545;
  background: rgba(220, 53, 69, 0.05);
  color: #dc3545;
}

[data-theme='dark'] .security-header-item.security-header-missing {
  background: rgba(220, 53, 69, 0.15);
  color: #ff6b7a;
}

.http-headers-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.http-header-item {
  padding: 12px;
  background: transparent;
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 6px;
  font-size: 15px;
  line-height: 1.6;
}

[data-theme='dark'] .http-header-item {
  border-color: var(--gray-700, #3a3a3a);
}

.http-header-key {
  font-weight: 700;
  color: var(--link, #0066cc);
  margin-bottom: 4px;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

[data-theme='dark'] .http-header-key {
  color: #4da6ff;
}

.http-header-value {
  color: var(--text-color, #1a1a1a);
  word-break: break-word;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

[data-theme='dark'] .http-header-value {
  color: var(--text-color, #e0e0e0);
}

/* Utility classes for SPF results */
.text-success {
  color: #28a745 !important;
}

.text-error {
  color: #dc3545 !important;
}

.text-warning {
  color: #ffc107 !important;
}

.status-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
  display: inline-block;
}

.status-badge.success {
  background: #d4edda;
  color: #155724;
}

[data-theme='dark'] .status-badge.success {
  background: rgba(40, 167, 69, 0.2);
  color: #6cff8f;
}

.status-badge.error {
  background: #f8d7da;
  color: #721c24;
}

[data-theme='dark'] .status-badge.error {
  background: rgba(220, 53, 69, 0.2);
  color: #ff6b7a;
}

.status-badge.status-success {
  background-color: #d4edda;
  color: #155724;
}

[data-theme='dark'] .status-badge.status-success {
  background-color: rgba(40, 167, 69, 0.2);
  color: #4ade80;
}

.status-badge.status-danger {
  background-color: #f8d7da;
  color: #721c24;
}

[data-theme='dark'] .status-badge.status-danger {
  background-color: rgba(220, 53, 69, 0.2);
  color: #f87171;
}

.headers-section {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color, #e0e0e0);
}

[data-theme='dark'] .headers-section {
  border-top-color: var(--border-color, #333);
}

.headers-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 16px;
}

.header-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
}

[data-theme='dark'] .header-item {
  background: var(--card-bg, #1f1f1f);
  border-color: var(--border-color, #333);
}

.header-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted, #666);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

[data-theme='dark'] .header-name {
  color: var(--text-muted, #999);
}

.header-value {
  font-size: 15px;
  font-family: 'Courier New', monospace;
  color: var(--text-color, #1a1a1a);
  word-break: break-all;
}

[data-theme='dark'] .header-value {
  color: var(--text-color, #fff);
}

/* IP Ranges Display */
.ip-ranges-container {
  margin-top: 16px;
}

.ip-ranges-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  max-height: 400px;
  overflow-y: auto;
  padding: 4px;
}

.ip-range-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  transition: all 0.2s ease;
}

[data-theme='dark'] .ip-range-item {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.ip-range-item:hover {
  background: rgba(0, 102, 204, 0.05);
  border-color: var(--link, #0066cc);
}

[data-theme='dark'] .ip-range-item:hover {
  background: rgba(77, 166, 255, 0.1);
  border-color: var(--link, #4da6ff);
}

.ip-range-value {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 14px;
  color: var(--text-color, #1a1a1a);
  word-break: break-all;
  font-weight: 500;
}

[data-theme='dark'] .ip-range-value {
  color: var(--text-color, #e0e0e0);
}

.ip-range-item .btn-copy-result {
  flex-shrink: 0;
  margin: 0;
  padding: 6.4px 12px;
  font-size: 12px;
}

@media (max-width: 768px) {
  .batch-filters {
    flex-direction: column;
  }

  .filter-group {
    min-width: 100%;
  }

  .batch-results-table-wrapper {
    font-size: 13px;
  }

  .batch-results-table th,
  .batch-results-table td {
    padding: 8px;
  }

  .ip-ranges-list {
    grid-template-columns: 1fr;
    max-height: 300px;
  }
}

/* Speed Test Styles */
.speed-test-container {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.speedometer-wrapper {
  width: 100%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 24px;
}

.speedometer {
  position: relative;
  width: 100%;
  max-width: 450px;
  aspect-ratio: 1.6 / 1;
  background: var(--card-bg, #fff);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

[data-theme='dark'] .speedometer {
  background: var(--gray-800, #1f1f1f);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.speedometer-svg {
  width: 100%;
  height: 100%;
}

.speedometer-track {
  opacity: 0.12;
}

[data-theme='dark'] .speedometer-track {
  opacity: 0.2;
}

.speedometer-fill {
  transition: stroke-dashoffset 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#needleGroup {
  transform-origin: 120px 120px;
  z-index: 1;
  position: relative;
}

#needle {
  transform-origin: 0 0;
  transition:
    transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    stroke 0.4s ease;
}

#needleShadow {
  transform-origin: 0 0;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#needleCenter {
  transition:
    fill 0.4s ease,
    filter 0.4s ease;
}

.tick-marks {
  opacity: 0.6;
}

.speed-label {
  font-size: 14px;
  font-weight: 700;
  fill: var(--text-color, #666);
  opacity: 0.7;
}

[data-theme='dark'] .speed-label {
  fill: var(--text-color, #b0b0b0);
  opacity: 0.8;
}

.speedometer-value {
  text-align: center;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px 0;
}

.speed-number {
  font-size: 40px;
  font-weight: 800;
  color: var(--text-color, #1a1a1a);
  font-family: 'Courier New', monospace;
  line-height: 1;
  letter-spacing: -2px;
}

[data-theme='dark'] .speed-number {
  color: var(--text-color, #ffffff);
}

.speed-unit {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-muted, #666);
  opacity: 0.8;
  margin-top: 4.8px;
}

[data-theme='dark'] .speed-unit {
  color: var(--text-muted, #b0b0b0);
  opacity: 0.9;
}

.speedometer-label {
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-muted, #666);
  text-transform: uppercase;
  letter-spacing: 3px;
  opacity: 0.8;
  width: 100%;
}

[data-theme='dark'] .speedometer-label {
  color: var(--text-muted, #b0b0b0);
  opacity: 0.9;
}

.speed-results {
  width: 100%;
  max-width: 800px;
  margin-top: 32px;
  animation: fadeIn 0.5s ease;
}

.speed-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
}

.speed-result-item {
  background: var(--card-bg, #fff);
  border: 2px solid var(--border-color, #e0e0e0);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
}

[data-theme='dark'] .speed-result-item {
  background: var(--gray-800, #1f1f1f);
  border-color: var(--gray-700, #3a3a3a);
}

.speed-result-item:hover {
  border-color: var(--link, #0066cc);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
}

[data-theme='dark'] .speed-result-item:hover {
  box-shadow: 0 4px 12px rgba(77, 166, 255, 0.2);
}

.speed-result-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted, #666);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

[data-theme='dark'] .speed-result-label {
  color: var(--text-muted, #b0b0b0);
}

.speed-result-label i {
  color: var(--link, #0066cc);
  font-size: 16px;
}

.speed-result-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-color, #1a1a1a);
  font-family: monospace;
  line-height: 1.2;
  margin-bottom: 4px;
}

[data-theme='dark'] .speed-result-value {
  color: var(--text-color, #e0e0e0);
}

.speed-result-unit {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted, #666);
}

[data-theme='dark'] .speed-result-unit {
  color: var(--text-muted, #b0b0b0);
}

@media (max-width: 768px) {
  .speedometer {
    max-width: 300px;
  }

  .speed-number {
    font-size: 30px;
  }

  .speed-results-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .speed-result-item {
    padding: 20px;
  }

  .speed-result-value {
    font-size: 21px;
  }
}

/* Tool Navigation Buttons */
.tool-nav {
  margin-bottom: 32px;
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .port-checker-page .tool-nav ~ .page-header .page-description {
    font-size: 14px;
    line-height: 1.5;
  }

  .port-checker-page
    .tool-nav
    ~ .main-tool
    .action-section-top
    .btn-primary.large {
    font-size: 15px;
    padding: 18px 30px;
  }
}