/* ═══════════════════════════════════════════════════════════════
   YouTube Timestamp Link Generator — Page-specific CSS
   Shared components (buttons, cards, forms, modals) come from
   global CSS. This file handles ONLY layout unique to this tool.
   ═══════════════════════════════════════════════════════════════ */

/* ── Fade-in animation for output ── */
.tsg-fade-in {
  animation: tsgFadeIn 0.35s ease-out;
}
@keyframes tsgFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Time input row ── */
.tsg-time-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.tsg-time-row input[type="number"] {
  width: 72px;
  text-align: center;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: 8px;
  font-size: var(--font-size-base);
  font-family: var(--font-body);
  transition: border-color 150ms ease;
}
.tsg-time-row input[type="number"]:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}
.tsg-time-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  min-width: 24px;
}
.tsg-time-sep {
  font-size: var(--font-size-lg);
  color: var(--color-gray-400);
  font-weight: 600;
}

/* ── Input row (URL + button) ── */
.tsg-input-row {
  display: flex;
  gap: var(--space-3);
  align-items: stretch;
}
.tsg-input-row .form-control {
  flex: 1;
}
.tsg-input-row .button {
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Output section ── */
.tsg-output-section {
  margin-top: var(--space-8);
}
.tsg-output-card {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  padding: var(--space-6);
}

/* ── Link output rows ── */
.tsg-link-group {
  margin-bottom: var(--space-5);
}
.tsg-link-group:last-child {
  margin-bottom: 0;
}
.tsg-link-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}
.tsg-link-label i {
  color: var(--color-primary);
  width: 16px;
  text-align: center;
}
.tsg-link-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  padding: var(--space-2) var(--space-3);
  overflow: hidden;
}
.tsg-link-row a,
.tsg-link-row code {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  text-decoration: none;
  word-break: break-all;
  font-family: var(--font-body);
  line-height: 1.5;
}
.tsg-link-row code {
  color: var(--color-gray-700);
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: var(--font-size-xs);
}

/* ── Copy button (inline) ── */
.tsg-copy-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(79, 70, 229, 0.08);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 6px;
  cursor: pointer;
  transition: all 150ms ease;
  white-space: nowrap;
}
.tsg-copy-btn:hover {
  background: rgba(79, 70, 229, 0.15);
  transform: translateY(-1px);
}
.tsg-copy-btn--success {
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.2);
}

/* ── Time display badge ── */
.tsg-time-info {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: rgba(79, 70, 229, 0.06);
  border-radius: 8px;
  margin-bottom: var(--space-5);
}
.tsg-time-info__icon {
  font-size: 24px;
  color: var(--color-primary);
}
.tsg-time-info__text {
  flex: 1;
}
.tsg-time-info__main {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  font-family: var(--font-display);
}
.tsg-time-info__sub {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* ── Output actions row ── */
.tsg-output-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-gray-200);
  flex-wrap: wrap;
}

/* ── Social share row ── */
.tsg-share-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}
.tsg-share-row__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-500);
}
.tsg-share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--color-gray-200);
  background: white;
  color: var(--color-gray-500);
  text-decoration: none;
  transition: all 150ms ease;
  font-size: var(--font-size-sm);
}
.tsg-share-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════════
   Multi-Timestamp Manager
   ═══════════════════════════════════════════════════════════════ */
.tsg-multi-section {
  margin-top: var(--space-8);
}
.tsg-multi-card {
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  padding: var(--space-6);
}
.tsg-multi-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.tsg-multi-header i {
  color: var(--color-primary);
  font-size: 20px;
}
.tsg-multi-header h2 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  margin: 0;
}
.tsg-multi-header .badge {
  margin-left: auto;
}
.tsg-multi-hint {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
}

/* ── Multi add row ── */
.tsg-multi-add-row {
  display: flex;
  gap: var(--space-3);
  align-items: flex-end;
  flex-wrap: wrap;
}
.tsg-multi-add-row .tsg-multi-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.tsg-multi-add-row .tsg-multi-field label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tsg-multi-add-row .tsg-multi-field--label {
  flex: 1;
  min-width: 140px;
}
.tsg-multi-add-row .tsg-multi-field--label input {
  width: 100%;
}
.tsg-multi-add-row .tsg-multi-field--time {
  flex-shrink: 0;
}
.tsg-multi-add-row .tsg-multi-field--time input {
  width: 60px;
  text-align: center;
}
.tsg-multi-add-row input {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: 8px;
  font-size: var(--font-size-sm);
  font-family: var(--font-body);
  transition: border-color 150ms ease;
}
.tsg-multi-add-row input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* ── Timestamp list ── */
.tsg-timestamp-list {
  margin-top: var(--space-5);
  border-top: 1px solid var(--color-gray-100);
  padding-top: var(--space-4);
}
.tsg-empty-list {
  padding: var(--space-6) var(--space-4);
  text-align: center;
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
}
.tsg-timestamp-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--color-gray-100);
  transition: background 150ms ease;
}
.tsg-timestamp-item:hover {
  background: var(--color-gray-50);
}
.tsg-timestamp-item:last-child {
  border-bottom: none;
}
.tsg-timestamp-time {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  min-width: 60px;
  flex-shrink: 0;
}
.tsg-timestamp-label {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
  word-break: break-word;
}
.tsg-timestamp-link {
  flex-shrink: 0;
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  padding: var(--space-1);
  transition: color 150ms ease;
}
.tsg-timestamp-link:hover {
  color: var(--color-primary);
}
.tsg-timestamp-remove {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  color: var(--color-gray-400);
  cursor: pointer;
  border-radius: 6px;
  transition: all 150ms ease;
}
.tsg-timestamp-remove:hover {
  color: var(--color-danger);
  background: rgba(239, 68, 68, 0.08);
}

/* ── Multi-action buttons ── */
.tsg-multi-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
}
.tsg-multi-actions[hidden] {
  display: none;
}
.tsg-multi-actions .button {
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
}

/* ═══════════════════════════════════════════════════════════════
   Inline Notification (fallback)
   ═══════════════════════════════════════════════════════════════ */
.tsg-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: var(--space-3) var(--space-5);
  border-radius: 8px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: white;
  z-index: 10000;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-lg);
}
.tsg-notification--visible {
  transform: translateX(0);
}
.tsg-notification--success {
  background: var(--color-success);
}
.tsg-notification--error {
  background: var(--color-danger);
}
.tsg-notification--warning {
  background: var(--color-warning);
  color: var(--color-gray-900);
}

/* ═══════════════════════════════════════════════════════════════
   Responsive (Mobile-First)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 767px) {
  .tsg-input-row {
    flex-direction: column;
  }
  .tsg-input-row .button {
    width: 100%;
  }
  .tsg-time-row {
    gap: var(--space-2);
  }
  .tsg-time-row input[type="number"] {
    width: 56px;
    padding: var(--space-2);
  }
  .tsg-output-card {
    padding: var(--space-4);
  }
  .tsg-link-row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }
  .tsg-link-row a,
  .tsg-link-row code {
    font-size: var(--font-size-xs);
  }
  .tsg-copy-btn {
    align-self: flex-start;
  }
  .tsg-time-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3);
  }
  .tsg-time-info__main {
    font-size: var(--font-size-base);
  }
  .tsg-output-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .tsg-share-row {
    justify-content: flex-start;
  }
  .tsg-multi-card {
    padding: var(--space-4);
  }
  .tsg-multi-add-row {
    flex-direction: column;
    align-items: stretch;
  }
  .tsg-multi-add-row .tsg-multi-field--time {
    display: flex;
    flex-direction: row;
    gap: var(--space-2);
    align-items: center;
  }
  .tsg-multi-add-row .tsg-multi-field--time label {
    display: none;
  }
  .tsg-multi-add-row .tsg-multi-field--time input {
    width: 56px;
  }
  .tsg-multi-actions {
    flex-direction: column;
  }
  .tsg-multi-actions .button {
    width: 100%;
    justify-content: center;
  }
  .tsg-multi-header h2 {
    font-size: var(--font-size-base);
  }
  .tsg-notification {
    left: 16px;
    right: 16px;
    top: 12px;
  }
}