/* ==========================================================================
   KAYRADOCS.COM — YOUTUBE-INSPIRED ARCHIVAL PLATFORM (v4.1)
   Aesthetic: YouTube Dark Mode (#0F0F0F) + YouTube Red Subscribe + Instagram Gradient
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;600;700&family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Newsreader:ital,opsz,wght@0,6..72,500;0,6..72,600;0,6..72,700;1,6..72,500;1,6..72,600&display=swap');

:root {
  /* YouTube Dark Mode Color System */
  --bg-base: #0F0F0F;          /* YouTube dark base */
  --bg-surface: #181818;       /* YouTube surface cards, panels */
  --bg-surface-elevated: #212121;
  --bg-chip: #272727;
  --bg-chip-hover: #3F3F3F;
  --bg-input: #121212;

  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.2);
  --border-focus: #3B6FE0;

  --text-primary: #F1F1F1;     /* High-contrast white */
  --text-body: #D4D4D4;
  --text-secondary: #AAAAAA;    /* Muted grey for metadata */
  --text-tertiary: #717171;

  /* Accent Colors */
  --color-brand-blue: #3B6FE0;
  --color-brand-hover: #4F7FFF;

  /* Authentic YouTube Red */
  --color-yt-red: #FF0000;
  --color-yt-hover: #CC0000;
  --color-yt-active: #990000;

  /* Typography */
  --font-sans: 'Roboto', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-serif: 'Fraunces', 'Newsreader', Georgia, serif;

  /* Geometry */
  --container-max: 1200px;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-card: 12px;
  --radius-pill: 20px;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* -----------------------------------------------------------------------------
 * Reset & Global Rules
 * -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 75px;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  max-width: 100%;
}

.section, #top, #sources, #about, #contact {
  scroll-margin-top: 75px;
}

.section-header, .channel-about-card, .contact-container {
  scroll-margin-top: 75px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: clip;
  max-width: 100%;
  width: 100%;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  color: var(--text-primary);
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
  box-sizing: border-box;
  position: relative;
}

@media (min-width: 640px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 32px;
    padding-right: 32px;
  }
}

/* -----------------------------------------------------------------------------
 * BUTTONS (YOUTUBE RED SUBSCRIBE + INSTAGRAM GRADIENT)
 * -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 18px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
  min-height: 36px;
}

/* YouTube Red Subscribe Button */
.btn-youtube {
  background-color: var(--color-yt-red);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  box-shadow: 0 2px 10px rgba(255, 0, 0, 0.35);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
}

.btn-youtube svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

.btn-youtube:hover {
  background-color: var(--color-yt-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255, 0, 0, 0.5);
}

.btn-youtube:active {
  background-color: var(--color-yt-active);
  transform: translateY(0);
}

/* Official Instagram Gradient Button */
.btn-instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #FFFFFF !important;
  font-weight: 500;
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  box-shadow: 0 2px 10px rgba(220, 39, 67, 0.35);
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.btn-instagram svg {
  width: 15px;
  height: 15px;
  stroke: #FFFFFF;
  fill: none;
  flex-shrink: 0;
}

.btn-instagram:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(220, 39, 67, 0.5);
}

.btn-secondary {
  background-color: var(--bg-chip);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background-color: var(--bg-chip-hover);
  color: #FFFFFF;
}

/* -----------------------------------------------------------------------------
 * HEADER (STICKY TRANSLUCENT TOP BAR)
 * -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.28);
  padding: 14px 0;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

@media (min-width: 860px) {
  .header-wrapper {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
  }
}

.brand-wordmark {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 2px;
  text-decoration: none;
  flex-shrink: 0;
  justify-self: start;
}

.brand-wordmark span {
  color: var(--color-brand-blue);
}

/* Nav Links - Centered */
.nav-links {
  display: none;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 860px) {
  .nav-links {
    display: flex;
    justify-self: center;
    margin: 0 auto;
  }
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  padding: 6px 0;
}

.nav-link:hover {
  color: #FFFFFF;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  justify-self: end;
}

.mobile-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 50%;
  flex-shrink: 0;
}

.mobile-toggle-btn:hover {
  background-color: var(--bg-chip);
}

@media (min-width: 860px) {
  .mobile-toggle-btn {
    display: none;
  }
}

.mobile-menu-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background-color: var(--bg-base);
  border-left: 1px solid var(--border-subtle);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  z-index: 1000;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
  visibility: hidden;
  pointer-events: none;
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.8);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-menu-drawer.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mobile-nav-link {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
}

.mobile-nav-link:hover {
  background-color: var(--bg-chip);
}

/* -----------------------------------------------------------------------------
 * HERO — CHANNEL BANNER + PROFILE HEADER
 * -------------------------------------------------------------------------- */
.channel-hero {
  position: relative;
  background-color: var(--bg-base);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 24px;
}

/* Responsive Channel Banner Box */
.channel-banner-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 2048 / 339;
  max-height: 280px;
  min-height: 140px;
  overflow: hidden;
  background-color: #06080B;
}

.channel-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Profile Row nested comfortably right below banner */
.channel-profile-row {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 20px;
  align-items: flex-start;
}

@media (min-width: 680px) {
  .channel-profile-row {
    flex-direction: row;
    align-items: flex-start;
    gap: 24px;
    padding-top: 24px;
  }
}

.channel-avatar-wrapper {
  flex-shrink: 0;
}

.channel-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-brand-blue);
  background-color: var(--bg-surface);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
}

@media (min-width: 768px) {
  .channel-avatar {
    width: 100px;
    height: 100px;
  }
}

.channel-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.channel-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

/* Channel Name: Kayra */
.channel-name {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.8vw + 0.5rem, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.15;
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background-color: rgba(59, 111, 224, 0.15);
  border: 1px solid rgba(59, 111, 224, 0.3);
  color: var(--color-brand-hover);
  font-size: 0.725rem;
  font-weight: 600;
  text-transform: uppercase;
}

.verified-badge svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

/* Single-Line Dot-Separated Stats */
.channel-meta-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.channel-handle {
  font-weight: 500;
  color: var(--text-secondary);
}

.meta-dot {
  color: var(--text-tertiary);
  font-weight: bold;
}

.channel-bio {
  font-size: 0.925rem;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 780px;
  margin-top: 2px;
}

.channel-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

@media (max-width: 480px) {
  .channel-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .channel-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* -----------------------------------------------------------------------------
 * "DOCUMENTARIES & SOURCES" — VIDEO CARD GRID (NO CATEGORIES)
 * -------------------------------------------------------------------------- */
.section {
  padding: 40px 0 54px;
  position: relative;
}

.section-alt {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 24px;
}

.section-header-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2vw + 0.7rem, 2.1rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.section-header-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.sources-search-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.search-box {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.search-box svg {
  position: absolute;
  top: 50%;
  left: 14px;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  stroke: var(--text-tertiary);
  pointer-events: none;
}

.search-input-field {
  width: 100%;
  padding: 10px 16px 10px 40px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem; /* 16px prevents iOS Safari auto-zoom */
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-input-field:focus {
  border-color: var(--color-brand-blue);
}

/* 3-Column Video Card Grid */
.yt-video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 36px;
}

@media (min-width: 640px) {
  .yt-video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .yt-video-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.yt-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  cursor: pointer;
}

.yt-card-thumb-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: #000000;
}

.yt-card-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hover Preview Cue */
.yt-card-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 3;
}

.yt-card-play-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-yt-red);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.7);
  transform: scale(0.9);
  transition: transform 0.2s ease;
}

.yt-card-play-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  margin-left: 2px;
}

.yt-card:hover .yt-card-thumb-img {
  transform: scale(1.04);
}

.yt-card:hover .yt-card-overlay {
  opacity: 1;
}

.yt-card:hover .yt-card-play-icon {
  transform: scale(1);
}

.yt-card-info {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  padding: 0 2px;
}

.yt-card-channel-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1.5px solid var(--color-brand-blue);
  background-color: var(--bg-chip);
}

.yt-card-meta {
  flex: 1;
  min-width: 0;
}

.yt-card-title {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.yt-card-channel-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 2px;
}

.yt-card-channel-name svg {
  width: 12px;
  height: 12px;
  fill: var(--text-tertiary);
}

.yt-card-stats {
  font-size: 0.775rem;
  color: var(--text-secondary);
}

.load-more-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

/* -----------------------------------------------------------------------------
 * ABOUT SECTION
 * -------------------------------------------------------------------------- */
.channel-about-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 24px 16px;
}

@media (min-width: 640px) {
  .channel-about-card {
    padding: 32px 24px;
  }
}

@media (min-width: 768px) {
  .channel-about-card {
    padding: 40px;
  }
}

.about-grid-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 860px) {
  .about-grid-layout {
    grid-template-columns: 300px 1fr;
    gap: 40px;
  }
}

.about-portrait-box {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  border: 2px solid var(--border-subtle);
}

.about-portrait-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.about-text-column h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.about-manifesto {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.about-links-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* -----------------------------------------------------------------------------
 * CONTACT SECTION
 * -------------------------------------------------------------------------- */
.contact-container {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 24px 16px;
}

@media (min-width: 640px) {
  .contact-container {
    padding: 32px 24px;
  }
}

@media (min-width: 768px) {
  .contact-container {
    padding: 40px;
  }
}

.contact-form-grid {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem; /* 16px prevents iOS Safari auto-zoom */
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--color-brand-blue);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* -----------------------------------------------------------------------------
 * ENRICHED FOOTER (RICH 4-COLUMN + HADITH CARD)
 * -------------------------------------------------------------------------- */
.site-footer {
  background-color: #0A0A0A;
  border-top: 1px solid var(--border-subtle);
  padding: 54px 0 32px;
}

/* Turkish Hadith Citation Box */
.hadith-quote-box {
  background-color: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-card);
  padding: 20px 16px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto 36px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

@media (min-width: 640px) {
  .hadith-quote-box {
    padding: 24px 30px;
    margin-bottom: 48px;
  }
}

.hadith-quote-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: #FFFFFF;
  margin-bottom: 6px;
  line-height: 1.5;
}

.hadith-quote-author {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-brand-hover);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Rich Footer Multi-Column Grid */
.footer-columns-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 640px) {
  .footer-columns-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-columns-grid {
    grid-template-columns: 2fr 1fr 1.3fr 1.3fr;
    gap: 40px;
  }
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col-text {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link-item a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link-item a:hover {
  color: #FFFFFF;
}

.footer-bottom-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.825rem;
  color: var(--text-tertiary);
  padding-top: 24px;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom-bar {
    flex-direction: row;
    text-align: left;
  }
}

/* -----------------------------------------------------------------------------
 * WATCH PAGE LAYOUT (source-detail.php)
 * -------------------------------------------------------------------------- */
.watch-main {
  padding-top: 20px;
  padding-bottom: 60px;
}

.watch-player-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: #000000;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
  margin-bottom: 20px;
}

.watch-player-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.watch-player-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.75) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.watch-player-overlay:hover {
  background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.85) 100%);
}

.watch-play-btn-large {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background-color: var(--color-yt-red);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(255, 0, 0, 0.5);
  transition: transform var(--transition-fast);
}

.watch-player-overlay:hover .watch-play-btn-large {
  transform: scale(1.08);
}

.watch-play-btn-large svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
  margin-left: 4px;
}

.watch-play-label {
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
}

.watch-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.5vw + 0.8rem, 2.4rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 14px;
}

.watch-channel-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}

.watch-channel-info {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.watch-channel-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-brand-blue);
  flex-shrink: 0;
}

.watch-channel-text {
  display: flex;
  flex-direction: column;
}

.watch-channel-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.watch-channel-subs {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.watch-actions-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 640px) {
  .watch-channel-strip {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
  .watch-channel-info {
    width: 100%;
    justify-content: space-between;
  }
  .watch-actions-right {
    width: 100%;
  }
  .watch-actions-right .btn {
    width: 100%;
    justify-content: center;
  }
}

.watch-dossier-box {
  background-color: var(--bg-surface);
  border-radius: var(--radius-card);
  padding: 24px;
  border: 1px solid var(--border-subtle);
  margin-bottom: 48px;
}

.watch-dossier-box h3 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.watch-dossier-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 24px;
}

.watch-citations-list {
  list-style: decimal;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.watch-citations-list li a {
  color: var(--color-brand-hover);
  text-decoration: underline;
}

.watch-recommendations {
  margin-top: 48px;
}