/* iToolsera YouTube Timestamp & Chapter Generator v1.0.1 */
.youtube-timestamp-card {
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #fff;
  padding: 24px;
}
.youtube-timestamp-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid #e2e8f0;
}
.youtube-timestamp-tab {
  appearance: none;
  border: 1px solid #cbd5e1;
  border-radius: 9px;
  background: #fff;
  color: #475569;
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
}
.youtube-timestamp-tab.is-active {
  border-color: #4f46e5;
  background: #eef2ff;
  color: #3730a3;
}
.youtube-timestamp-panel {
  display: none;
}
.youtube-timestamp-panel.is-active {
  display: block;
}
.youtube-time-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.youtube-time-summary {
  margin: 4px 0 22px;
  padding: 12px 14px;
  border: 1px solid #dbeafe;
  border-radius: 10px;
  background: #f8fbff;
  color: #475569;
  font-size: 0.9rem;
}
.youtube-time-summary strong {
  color: #0f172a;
  font-family: monospace;
}
.youtube-chapter-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: end;
  margin-bottom: 16px;
}
.youtube-chapter-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.youtube-chapter-table-wrap {
  overflow: hidden;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
}
.youtube-chapter-table-header,
.youtube-chapter-row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 46px;
  gap: 10px;
  align-items: center;
}
.youtube-chapter-table-header {
  padding: 11px 12px;
  background: #f1f5f9;
  color: #475569;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}
.youtube-chapter-row {
  padding: 10px 12px;
  border-top: 1px solid #e2e8f0;
}
.youtube-chapter-row .form-control {
  min-width: 0;
}
.youtube-chapter-time {
  font-family: monospace;
}
.youtube-chapter-remove {
  width: 42px;
  height: 42px;
  padding: 0;
}
.youtube-chapter-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 18px;
}
.youtube-timestamp-result {
  border: 1px solid #dbeafe;
  border-radius: 14px;
  background: #f8fbff;
  padding: 20px;
}
.youtube-timestamp-result-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}
.youtube-timestamp-result-kicker {
  display: block;
  margin-bottom: 3px;
  color: #2563eb;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.youtube-timestamp-url-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
  padding: 13px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #fff;
}
.youtube-timestamp-url-card span {
  color: #64748b;
  font-size: 0.78rem;
}
.youtube-timestamp-url-card code {
  color: #0f172a;
  font-size: 0.84rem;
  word-break: break-all;
}
.youtube-timestamp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 14px;
}
.youtube-timestamp-note {
  margin-top: 14px;
  color: #475569;
  font-size: 0.86rem;
  line-height: 1.55;
}
.youtube-chapter-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.youtube-chapter-status span {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid #bbf7d0;
  border-radius: 999px;
  background: #f0fdf4;
  color: #166534;
  font-size: 0.78rem;
  font-weight: 600;
}
.youtube-chapter-output {
  overflow: hidden;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #fff;
}
.youtube-chapter-output .youtube-embed-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: #f1f5f9;
}
.youtube-chapter-output .youtube-embed-code-header strong {
  color: #475569;
  font-size: 0.82rem;
  text-transform: uppercase;
}
.youtube-chapter-output textarea {
  min-height: 180px;
  border: 0;
  border-radius: 0;
  resize: vertical;
  font-family: monospace;
  font-size: 0.84rem;
  line-height: 1.55;
  background: #fff;
}
.youtube-timestamp-info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.youtube-timestamp-info-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
  min-height: 150px;
  padding: 18px;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #fff;
}
.youtube-timestamp-info-card > i {
  margin-bottom: 4px;
  font-size: 1.35rem;
}
.youtube-timestamp-info-card strong {
  font-size: 0.95rem;
}
.youtube-timestamp-info-card span {
  color: #64748b;
  font-size: 0.86rem;
  line-height: 1.55;
}
.youtube-duration-field {
  margin-top: 2px;
}
.youtube-duration-status {
  min-height: 22px;
  color: #475569;
  font-size: 0.84rem;
  line-height: 1.45;
}
.youtube-duration-neutral,
.youtube-duration-valid,
.youtube-duration-invalid {
  display: inline-flex;
  align-items: flex-start;
  gap: 3px;
}
.youtube-duration-valid {
  color: #166534;
}
.youtube-duration-invalid {
  color: #b91c1c;
}
.youtube-duration-neutral {
  color: #64748b;
}
.youtube-duration-status strong {
  font-weight: 700;
}
.youtube-duration-status span > span {
  margin-left: 4px;
  color: #475569;
}
.youtube-timestamp-card button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}
@media (max-width: 767.98px) {
  .youtube-timestamp-card {
    padding: 16px;
  }
  .youtube-time-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .youtube-chapter-toolbar {
    grid-template-columns: 1fr;
  }
  .youtube-chapter-table-header {
    display: none;
  }
  .youtube-chapter-row {
    grid-template-columns: minmax(0, 1fr) 42px;
    gap: 8px;
    padding: 12px;
  }
  .youtube-chapter-time,
  .youtube-chapter-title {
    grid-column: 1;
  }
  .youtube-chapter-remove {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
  .youtube-timestamp-result-header {
    flex-direction: column;
  }
  .youtube-timestamp-info-grid {
    grid-template-columns: 1fr;
  }
}