/*
 * SkipWatch - Modern Minimalistic Design
 * A clean, elegant design with subtle gradients and smooth animations
 */

@import "components/dropdown.css";
@import "components/language_selector.css";
@import "components/tabs.css";
@import "components/progress_bar.css";
@import "components/user_menu.css";
@import "components/mobile_user_menu_footer.css";
@import "components/video_chat.css";
@import "admin.css";

/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-primary-light: #818cf8;
  --color-primary-subtle: rgba(99, 102, 241, 0.08);

  --color-success: #10b981;
  --color-success-subtle: rgba(16, 185, 129, 0.1);

  --color-warning: #f59e0b;
  --color-warning-subtle: rgba(245, 158, 11, 0.1);

  --color-info: #06b6d4;
  --color-info-subtle: rgba(6, 182, 212, 0.1);

  --color-error: #ef4444;
  --color-error-subtle: rgba(239, 68, 68, 0.1);

  /* Neutrals */
  --color-bg: #fafafa;
  --color-bg-elevated: #ffffff;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;

  --color-text: #111827;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-xs: 0.6875rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Layout ===== */
.site-header {
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.9);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-sm);
  flex-grow: 1;
  width: 100%;
}

@media (max-width: 1000px) {

  .header-user-menu-container {
    display: none;
  }

  .header-content {
    max-width: 900px;
  }

  .footer-content {
    max-width: 900px;
  }
}

/* ===== Logo ===== */
.logo-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transition: opacity var(--transition-fast);
}

.logo-link:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.logo-icon svg {
  width: 22px;
  height: 22px;
  color: white;
}

.logo-text-container {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.logo-text {
  margin: 0;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.025em;
}

.logo-tagline {
  font-family: 'Inter Tight', sans-serif;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 400;
  letter-spacing: 0.01em;
  /* commented out till design is sorted out for IPhone SE */
  /* white-space: nowrap; */
  line-height: 1.2;
}

/* ===== Search ===== */
.header-search {
  flex: 1;
  max-width: 800px;
  margin: 0 var(--space-lg);
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.header-search.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.search-form {
  display: flex;
  align-items: center;
  width: 100%;
}

.search-input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

/* Hide native clear button when input is empty (placeholder shown) */
.search-input:placeholder-shown::-webkit-search-cancel-button {
  display: none;
}

.search-input:placeholder-shown::-ms-clear {
  display: none;
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

.search-input:hover {
  border-color: var(--color-text-muted);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-elevated);
  box-shadow: 0 0 0 4px var(--color-primary-subtle);
}

.search-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  height: 36px;
  padding: 0 var(--space-md);
  border: none;
  background: var(--color-primary);
  color: white;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 4px rgba(99, 102, 241, 0.2);
  flex-shrink: 0;
}

.search-button:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 8px rgba(99, 102, 241, 0.3);
}

.search-button:active {
  transform: scale(0.98);
  box-shadow: 0 1px 2px rgba(99, 102, 241, 0.2);
}

/* ===== Search Results ===== */
.search-results {
  max-width: 100%;
}

.search-header {
  margin-bottom: var(--space-md);
}

.search-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

/* ===== Collection Header ===== */
.collection-header {
  /* margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg); */
  border-bottom: 1px solid var(--color-border-light);
}

.collection-header-content {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.collection-header-icon {
  flex-shrink: 0;
  color: var(--color-primary);
}

.collection-header-text {
  flex: 1;
  min-width: 0;
}

.collection-header-text h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-xs) 0;
  letter-spacing: -0.02em;
}

.collection-header-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0;
  font-weight: 500;
}

.search-query {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.search-hint {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
}

.search-results-count {
  margin-bottom: var(--space-lg);
}

.search-results-count p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.search-no-results {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  color: var(--color-text-secondary);
}

.search-no-results .icon-lg {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  opacity: 0.5;
}

.search-no-results h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.search-no-results p {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ===== Navigation ===== */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.nav-link-primary {
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-lg);
}

.nav-link-primary:hover {
  background: var(--color-primary-dark);
  color: white;
}

/* ===== Cards ===== */
.card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
}

.card-header {
  padding: var(--space-xl) var(--space-xl) 0;
}

.card-body {
  padding: var(--space-xl);
}

.card-footer {
  padding: 0 var(--space-xl) var(--space-xl);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.page-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-bottom: var(--space-xl);
}

/* ===== Forms ===== */
.video-form {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
  padding: var(--space-xl);
}

.form-header {
  text-align: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.form-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-xs) 0;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.form-header .form-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0;
  font-weight: 400;
  line-height: 1.4;
}

.field {
  margin-bottom: var(--space-lg);
}

.field label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.field-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.field input[type="url"],
.field input[type="text"],
.field input[type="email"],
.field textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.field input::placeholder {
  color: var(--color-text-muted);
}

.field input:hover {
  border-color: var(--color-text-muted);
}

.field input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-elevated);
  box-shadow: 0 0 0 4px var(--color-primary-subtle);
}

/* ===== Buttons ===== */
.actions {
  margin-top: var(--space-lg);
}

.btn,
input[type="submit"],
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-primary,
input[type="submit"] {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover,
input[type="submit"]:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
}

.btn-primary:active,
input[type="submit"]:active {
  transform: translateY(0);
}

.btn-secondary,
.button {
  background: var(--color-bg);
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover,
.button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.0625rem;
}

.btn-block {
  width: 100%;
}

/* ===== Transcript Show ===== */
.transcript-show {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
}

/* ===== Transcript Header ===== */
.transcript-header {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg);
}

.header-row-top {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  flex: 1;
  min-width: 0;
}

.header-row-bottom {
  display: none;
}

.header-title-desktop {
  display: block;
}

/* Desktop: title is inside header-center */
@media (min-width: 601px) {
  .header-row-bottom {
    display: none;
  }

  .header-center {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }

  .header-title-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    width: 100%;
  }

  .header-title {
    margin-bottom: var(--space-xs);
    flex: 1;
    min-width: 0;
  }
}

.header-title-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  width: 100%;
}

.transcript-favorite-button {
  padding: var(--space-xs);
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  margin-top: 2px;
}

.transcript-favorite-button:hover {
  background: var(--color-primary-subtle);
  transform: scale(1.1);
}

.transcript-favorite-button:active {
  transform: scale(0.95);
}

.transcript-favorite-button .favorite-icon {
  color: var(--color-warning);
  transition: all var(--transition-fast);
}

.transcript-favorite-button:hover .favorite-icon {
  color: var(--color-primary);
}

/* Video thumbnail link */
.header-left {
  flex-shrink: 0;
  width: 30%;
}

.video-thumb-link {
  position: relative;
  display: block;
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.video-thumb-link:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.video-thumb-img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.video-thumb-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0.85;
  transition: opacity var(--transition-fast), background var(--transition-fast);
}

.video-thumb-link:hover .video-thumb-play {
  opacity: 1;
  background: rgba(0, 0, 0, 0.5);
}

.video-thumb-play svg {
  width: 24px;
  height: 24px;
  color: white;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.video-thumb-duration {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.85);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
}

/* Header center - meta and time info */
.header-center {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.header-watch-time,
.header-saved-time {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.header-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 var(--space-xs);
  color: var(--color-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.meta-author a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
}

.meta-author a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.meta-date {
  color: var(--color-text-muted);
}

/* Compact time badge */
.header-badge {
  flex-shrink: 0;
}

.badge-icon {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
}

/* Pending/processing state header */
.header-pending {
  width: 100%;
}

.header-pending-info {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-pending-info .header-title {
  margin: 0;
  font-size: 1.125rem;
}

/* Mobile responsive */
@media (max-width: 600px) {
  .transcript-header {
    flex-direction: column;
    padding: var(--space-md) var(--space-sm);
    gap: var(--space-sm);
    border-bottom: 1px solid var(--color-border-light);
  }

  .header-row-top {
    gap: var(--space-md);
    align-items: flex-start;
  }

  .header-title-desktop {
    display: none;
  }

  .header-row-bottom {
    display: block;
    margin-top: 0;
  }

  .header-left {
    width: 50%;
    flex-shrink: 0;
  }

  .video-thumb-link {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
  }

  .video-thumb-play svg {
    width: 20px;
    height: 20px;
  }

  .video-thumb-duration {
    font-size: 0.625rem;
    padding: 2px 4px;
    border-radius: 4px;
  }

  .header-center {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    justify-content: flex-start;
    padding-top: 2px; /* Align with thumbnail top */
  }

  .header-title {
    font-weight: 600;
    -webkit-line-clamp: 4;
    line-height: 1.4;
    margin: 0;
    color: var(--color-text);
    letter-spacing: -0.01em;
  }

  .header-meta {
    font-size: 0.8125rem;
    gap: var(--space-xs) var(--space-sm);
    margin-bottom: 0;
    flex-wrap: wrap;
    line-height: 1.5;
  }

  .meta-author a {
    font-weight: 500;
  }

  .header-watch-time,
  .header-saved-time {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
  }

  .header-watch-time {
    margin-top: 0;
  }

  .header-saved-time {
    margin-top: 0;
  }

  .header-badge {
    width: 100%;
  }

  .time-badge {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
  }

  .time-badge-saved {
    font-size: 0.8125rem;
  }
}

/* ===== Status Badges ===== */
.state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.state-created {
  background: var(--color-warning-subtle);
  color: var(--color-warning);
}

.state-fetching,
.state-analyzing {
  background: var(--color-info-subtle);
  color: var(--color-info);
}

.state-ready,
.state-done {
  background: var(--color-success-subtle);
  color: var(--color-success);
}

.state-failed {
  background: var(--color-error-subtle);
  color: var(--color-error);
}

/* Pulse animation for loading states */
.state-fetching::before,
.state-analyzing::before,
.state-created::before {
  content: '';
  width: 8px;
  height: 8px;
  background: currentColor;
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

/* ===== Transcript Content ===== */
.transcript-body {
  padding: var(--space-xl);
}

.transcript-body h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  /* margin-bottom: var(--space-lg); */
  padding-bottom: var(--space-md);
  /* border-bottom: 1px solid var(--color-border-light); */
}

.transcript-body pre {
  background: var(--color-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  border: 1px solid var(--color-border-light);
}

.transcript-brief-summary {
  /* margin-bottom: var(--space-xl); */
}

/* ===== Transcript Tabs ===== */
.transcript-tabs {
  /* margin-top: var(--space-xl); */
}

/* ===== Chapter Styling ===== */
.chapter {
  margin-bottom: var(--space-xl);
  /* padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light); */
}

.chapter:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.chapter h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.chapter h3::before {
  content: '';
  width: 4px;
  height: 1.125rem;
  background: var(--color-primary);
  border-radius: 2px;
}

.markdown-content {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.markdown-content p {
  margin: 0 0 var(--space-md);
}

.markdown-content ul,
.markdown-content ol {
  margin: 0 0 var(--space-md);
  padding-left: var(--space-lg);
}

.markdown-content li {
  margin-bottom: var(--space-sm);
}

.markdown-content strong {
  color: var(--color-text);
  font-weight: 600;
}

.markdown-content code {
  background: var(--color-bg);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.875em;
}

.markdown-content pre {
  background: var(--color-bg);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.875em;
  line-height: 1.6;
  overflow-x: auto;
  border: 1px solid var(--color-border-light);
  margin: var(--space-md) 0;
}

.markdown-content pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
}

.markdown-content table {
  border-collapse: collapse;
  width: 100%;
  margin: var(--space-md) 0;
  border: 1px solid var(--color-border);
  display: block;
  overflow-x: auto;
  font-size: var(--font-size-sm);
}

.markdown-content table thead,
.markdown-content table tbody {
  display: table;
  width: 100%;
}

.markdown-content table tr {
  display: table-row;
}

.markdown-content table th,
.markdown-content table td {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  text-align: left;
}

.markdown-content table th {
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
}

.markdown-content table tr:nth-child(even) {
  background: var(--color-bg);
}

.markdown-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

.markdown-content del {
  text-decoration: line-through;
  opacity: 0.7;
}

.markdown-content input[type="checkbox"] {
  margin-right: var(--space-sm);
  cursor: pointer;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  color: var(--color-text);
  font-weight: 600;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-md);
  line-height: 1.3;
}

.markdown-content h1 {
  font-size: 1.75rem;
}

.markdown-content h2 {
  font-size: 1.5rem;
}

.markdown-content h3 {
  font-size: 1.25rem;
}

.markdown-content h4 {
  font-size: 1.125rem;
}

.markdown-content h5,
.markdown-content h6 {
  font-size: 1rem;
}

.markdown-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-lg) 0;
}

.markdown-content a {
  color: var(--color-primary);
  text-decoration: none;
}

.markdown-content a:hover {
  text-decoration: underline;
}

.markdown-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
}

/* LaTeX formula styling */
.markdown-content .katex {
  font-size: 1.1em;
}

.markdown-content .katex-display-wrapper {
  margin: var(--space-md) 0;
  overflow-x: auto;
  overflow-y: hidden;
  text-align: center;
}

.markdown-content .katex-display-wrapper > .katex {
  display: inline-block;
  text-align: initial;
}

/* ===== Loading States ===== */
.transcript-loading,
.transcript-pending {
  padding: var(--space-3xl);
  text-align: center;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-lg);
}

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

.loading-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.loading-subtext {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

/* ===== Skeleton Loaders ===== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg) 0%,
    var(--color-border-light) 50%,
    var(--color-bg) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-thumbnail {
  width: 120px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
}

.skeleton-title {
  height: 1.35rem;
  width: 70%;
  margin-bottom: var(--space-xs);
}

.skeleton-title-short {
  height: 1.35rem;
  width: 40%;
}

.skeleton-meta {
  height: 0.8125rem;
  width: 120px;
}

.skeleton-text {
  height: 1rem;
  width: 100%;
  margin-bottom: var(--space-xs);
}

.skeleton-text-short {
  height: 1rem;
  width: 60%;
}

.skeleton-chapter-title {
  height: 1.5rem;
  width: 50%;
  margin-bottom: var(--space-md);
}

.skeleton-content-block {
  margin-bottom: var(--space-lg);
}

.skeleton-content-block .skeleton-text {
  margin-bottom: var(--space-sm);
}

.skeleton-content-block .skeleton-text:last-child {
  width: 80%;
}

/* ===== Loading States ===== */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-lg);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.loading-indicator {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.loading-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-secondary);
  animation: loading-pulse 1.4s ease-in-out infinite;
}

.loading-dot:nth-child(1) {
  animation-delay: 0s;
}

.loading-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.loading-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes loading-pulse {
  0%, 60%, 100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  30% {
    opacity: 1;
    transform: scale(1);
  }
}

.loading-message {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin: 0;
  font-weight: 500;
}

/* ===== Error States ===== */
.error {
  background: var(--color-error-subtle);
  color: var(--color-error);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(239, 68, 68, 0.2);
  font-size: 0.9375rem;
}

.error p {
  margin: 0;
}

/* ===== Footer Actions ===== */
.transcript-actions {
  padding: var(--space-xl);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  gap: var(--space-md);
}

/* ===== Transcript Footer ===== */
.transcript-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
}

.transcript-source {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.transcript-source .icon-sm {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.transcript-source a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.transcript-source a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* ===== Follow-up Questions ===== */
.follow-up-questions {
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
}

.follow-up-questions-header {
  margin-bottom: var(--space-md);
}

.follow-up-questions-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  letter-spacing: -0.01em;
}

.follow-up-questions-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.follow-up-question-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
}

.follow-up-question-button:hover:not(:disabled) {
  background: var(--color-primary-subtle);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateX(4px);
}

.follow-up-question-button:active:not(:disabled) {
  transform: translateX(2px);
}

.follow-up-question-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.follow-up-question-button.sending {
  opacity: 0.7;
  cursor: wait;
}

.follow-up-question-text {
  flex: 1;
  line-height: 1.5;
}

.follow-up-question-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.follow-up-question-button:hover:not(:disabled) .follow-up-question-icon {
  opacity: 1;
}

@media (max-width: 600px) {
  .follow-up-questions {
    padding: var(--space-md) var(--space-lg);
  }

  .follow-up-question-button {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
  }

  .follow-up-question-icon {
    width: 14px;
    height: 14px;
  }
}

.btn-share {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-sans);
  color: var(--color-text-secondary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-share:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-light);
  background: var(--color-primary-subtle);
}

.btn-share:active {
  transform: scale(0.98);
}

.btn-share .icon-sm {
  flex-shrink: 0;
}

.btn-share-success {
  color: var(--color-success);
  border-color: var(--color-success);
  background: var(--color-success-subtle);
}

.btn-share-error {
  color: var(--color-error);
  border-color: var(--color-error);
  background: var(--color-error-subtle);
}

/* Mobile responsive for transcript footer */
@media (max-width: 640px) {
  .transcript-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-md);
    gap: var(--space-sm);
  }

  .btn-share {
    width: 100%;
    justify-content: center;
  }
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: var(--space-3xl);
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-xl);
  background: var(--color-primary-subtle);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-state-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
}

.empty-state h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.empty-state p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  :root {
    --font-size-base: 16px;
  }

  .header-content {
    padding: var(--space-xs) var(--space-sm);
    /* Keep horizontal on mobile for better UX */
    flex-direction: row;
    gap: var(--space-xs);
    flex-wrap: nowrap;
    align-items: center;
  }

  .logo {
    flex-shrink: 0;
  }

  .logo-link {
    gap: var(--space-xs);
  }

  .logo-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
  }

  .logo-icon svg {
    width: 16px;
    height: 16px;
  }

  .logo-text {
    font-size: 1.125rem;
    white-space: nowrap;
  }

  .logo-tagline {
    display: none;
  }

  /* Search form on mobile - stays on same line */
  .header-search {
    flex: 1;
    min-width: 0;
    margin: 0;
    max-width: none;
  }

  .search-form {
    display: flex;
    align-items: center;
    width: 100%;
  }

  .search-input {
    flex: 1;
    min-width: 0;
    font-size: 0.8125rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  }

  .search-button {
    min-width: 40px;
    height: 28px;
    padding: 0 var(--space-xs);
    font-size: 0.8125rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    flex-shrink: 0;
  }

  /* Compact nav button on mobile */
  .header-nav {
    order: 2;
  }

  .header-nav .nav-link-primary {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8125rem;
    gap: var(--space-xs);
    border-radius: var(--radius-sm);
  }

  .header-nav .nav-link-primary .icon-sm {
    width: 14px;
    height: 14px;
  }

  .main-content {
    padding: var(--space-sm) var(--space-xs);
  }

  .video-form,
  .transcript-show {
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    border: none;
  }

  /* Mobile form header - more compact */
  .video-form .form-header {
    text-align: center;
    padding: var(--space-md) var(--space-sm) var(--space-sm);
  }

  .video-form .form-header h1 {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
  }

  .video-form .form-header p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.4;
  }

  /* Mobile form fields */
  .video-form .field {
    margin-bottom: var(--space-md);
  }

  .video-form .field label {
    font-size: 0.875rem;
  }

  .video-form .field input[type="url"] {
    padding: var(--space-md);
    font-size: 1rem;
  }

  .video-form .actions {
    margin-top: var(--space-md);
    margin-bottom: var(--space-lg);
  }

  .video-form .btn-lg {
    padding: var(--space-md);
    font-size: 1rem;
  }

  /* Separator between form and recent videos on mobile */
  .recent-videos {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
  }

  .transcript-body,
  .transcript-actions {
    padding: var(--space-sm) var(--space-sm);
  }

  .transcript-body h2 {
    font-size: 1.125rem;
    /* margin-bottom: var(--space-sm); */
    padding-bottom: var(--space-sm);
  }

  .transcript-brief-summary {
    /* margin-bottom: var(--space-md); */
  }

  .chapter {
    margin-bottom: var(--space-md);
  }

  .chapter h3 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
  }

  .markdown-content ul,
  .markdown-content ol {
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
  }

  .markdown-content li {
    margin-bottom: var(--space-xs);
  }

  .markdown-content p {
    margin-bottom: var(--space-sm);
  }

  .page-title {
    font-size: 1.5rem;
  }


  .btn-lg {
    padding: var(--space-sm) var(--space-md);
  }
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  margin-top: auto;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-xl);
}

.footer-telegram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.footer-telegram .icon {
  color: #229ED9;
  flex-shrink: 0;
}

.footer-telegram-text {
  text-align: center;
}

.footer-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.footer-link:hover {
  text-decoration: underline;
}

.footer-language {
  margin-top: var(--space-md);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.language-form {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.language-label {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.language-select {
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 180px;
}

.language-select:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-elevated);
}

.language-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

@media (max-width: 640px) {
  .footer-content {
    padding: var(--space-md);
  }

  .footer-telegram {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .footer-telegram-text {
    font-size: 0.875rem;
  }

  .footer-language {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .language-form {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .language-label {
    font-size: 0.8125rem;
  }

  .language-select {
    font-size: 0.8125rem;
    min-width: 160px;
  }
}

/* ===== Recent Videos Grid ===== */
.recent-videos {
  margin-top: var(--space-2xl);
}

.recent-videos h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.video-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-fast);
}

.video-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.video-thumbnail {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg);
}

.video-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.video-card:hover .video-thumbnail img {
  transform: scale(1.05);
}

.video-duration {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.video-info {
  padding: var(--space-md);
}

.video-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-channel, .video-publish-date {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
  -webkit-line-clamp: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.reading-time {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.reading-time svg {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .header-content {
    padding: var(--space-sm);
    gap: var(--space-sm);
  }

  .video-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .header-content {
    padding: var(--space-sm);
    gap: var(--space-sm);
  }

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

  /* Icon-only button on medium screens and smaller */
  .header-nav .nav-link-primary {
    padding: var(--space-xs);
    font-size: 0;
    gap: 0;
  }

  .header-nav .nav-link-primary .icon-sm {
    width: 18px;
    height: 18px;
  }
}

/* Very small screens (iPhone SE, etc.) */
@media (max-width: 360px) {
  .header-content {
    padding: var(--space-sm);
    gap: var(--space-sm);
  }

  .logo-icon {
    width: 24px;
    height: 24px;
  }

  .logo-icon svg {
    width: 14px;
    height: 14px;
  }

  .logo-text {
    font-size: 1.125rem;
  }

  .search-input {
    font-size: 0.75rem;
    padding: var(--space-xs);
  }

  .search-button {
    min-width: 36px;
    height: 26px;
    font-size: 0.75rem;
  }

  .header-nav .nav-link-primary .icon-sm {
    width: 14px;
    height: 14px;
  }
}

/* ===== Utilities ===== */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ===== Icon Styles ===== */
.icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-lg {
  width: 24px;
  height: 24px;
}

/* ===== Dropzone Overlay ===== */
.dropzone-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(99, 102, 241, 0.95);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  pointer-events: none;
}

.dropzone-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.dropzone-overlay.success {
  background: rgba(16, 185, 129, 0.95);
}

.dropzone-overlay.error {
  background: rgba(239, 68, 68, 0.95);
}

.dropzone-content {
  text-align: center;
  color: white;
  animation: dropzone-bounce 0.4s ease-out;
}

@keyframes dropzone-bounce {
  0% {
    opacity: 0;
    transform: scale(0.9) translateY(10px);
  }
  60% {
    transform: scale(1.02) translateY(-5px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.dropzone-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--space-xl);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px dashed rgba(255, 255, 255, 0.5);
  animation: dropzone-pulse 1.5s ease-in-out infinite;
}

@keyframes dropzone-pulse {
  0%, 100% {
    transform: scale(1);
    border-color: rgba(255, 255, 255, 0.5);
  }
  50% {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.8);
  }
}

.dropzone-overlay.success .dropzone-icon,
.dropzone-overlay.error .dropzone-icon {
  animation: none;
  border-style: solid;
}

.dropzone-icon svg {
  width: 48px;
  height: 48px;
  color: white;
}

.dropzone-message {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
}

.dropzone-hint {
  font-size: 1rem;
  margin: 0;
  opacity: 0.85;
  font-weight: 500;
}

/* ===== Drop Hint (on form) ===== */
.drop-hint {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary-subtle);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* Hide drop hint on mobile (no drag-and-drop support) */
@media (max-width: 640px) {
  .drop-hint {
    display: none;
  }
}

.drop-hint .icon {
  flex-shrink: 0;
}

/* ===== Input Dropzone Wrapper ===== */
.input-dropzone-wrapper {
  position: relative;
}

.input-dropzone-wrapper input[type="url"] {
  padding-right: 180px;
}

.input-dropzone-hint {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.input-dropzone-hint .icon {
  color: var(--color-primary-light);
}

/* Hide hint when input has value */
.input-dropzone-wrapper input:not(:placeholder-shown) + .input-dropzone-hint {
  opacity: 0;
}

/* Animate hint on focus */
.input-dropzone-wrapper input:focus + .input-dropzone-hint {
  color: var(--color-primary);
}

.input-dropzone-wrapper input:focus + .input-dropzone-hint .icon {
  color: var(--color-primary);
  animation: hint-bounce 0.6s ease-in-out;
}

@keyframes hint-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@media (max-width: 1000px) {
  .input-dropzone-wrapper input[type="url"] {
    padding-right: var(--space-lg);
  }

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

/* ===== Content Layout with Recommendations ===== */
.content-wrapper {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.content-main {
  flex: 1 1 0;
  min-width: 0; /* Prevents flex item from overflowing */
  width: 100%;
}

.content-sidebar {
  flex-shrink: 0;
  width: 336px;
}

/* ===== Recommendations ===== */
.recommendations {
  position: sticky;
  top: calc(var(--space-2xl) + 60px); /* Account for header height */
}

.recommendations-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.recommendations-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.recommendation-card {
  display: flex;
  gap: var(--space-sm);
  flex-direction: row;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  overflow: visible;
  text-decoration: none;
  color: inherit;
}

.recommendation-card .video-thumbnail {
  flex-shrink: 0;
  width: 168px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.recommendation-card .video-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 0;
}

.recommendation-card .video-title {
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
  -webkit-line-clamp: 3;
  line-height: 1.3;
}

.recommendation-card .video-channel {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
  line-height: 1.2;
  -webkit-line-clamp: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}


.recommendation-card:hover {
  background: var(--color-bg);
  text-decoration: none;
}

.icon-xs {
  width: 12px;
  height: 12px;
}

/* Mobile: Stack content and recommendations vertically */
@media (max-width: 1000px) {
  .header-content {
    padding: var(--space-sm);
    gap: var(--space-sm);
  }

  .content-wrapper {
    flex-direction: column;
  }

  .content-sidebar {
    width: 100%;
    order: 2; /* Show recommendations after content on mobile */
  }

  .recommendations {
    position: static;
  }

  .recommendations-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .recommendation-card {
    flex-direction: column;
  }

  .recommendation-card .video-thumbnail {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .recommendations-list {
    grid-template-columns: 1fr;
  }
}