/* ============================================================
   TUBESHELL — shared base for tube-site theme
   Tokens, primitives, layout. No colors of the brand identity:
   those live in the per-site theme files.
   ============================================================ */

:root {
  /* Spacing scale (4px base) */
  --ts-space-1: 4px;
  --ts-space-2: 8px;
  --ts-space-3: 12px;
  --ts-space-4: 16px;
  --ts-space-5: 20px;
  --ts-space-6: 24px;
  --ts-space-8: 32px;
  --ts-space-10: 40px;
  --ts-space-12: 48px;
  --ts-space-16: 64px;

  /* Radii */
  --ts-radius-xs: 2px;
  --ts-radius-sm: 4px;
  --ts-radius-md: 8px;
  --ts-radius-lg: 14px;
  --ts-radius-pill: 999px;

  /* Type scale */
  --ts-font-display: "Inter", system-ui, sans-serif;
  --ts-font-body:    "Inter", system-ui, sans-serif;
  --ts-font-mono:    ui-monospace, "JetBrains Mono", monospace;

  --ts-size-xs:   12px;
  --ts-size-sm:   13px;
  --ts-size-md:   14px;
  --ts-size-lg:   16px;
  --ts-size-xl:   20px;
  --ts-size-2xl:  28px;
  --ts-size-3xl:  40px;
  --ts-size-4xl:  56px;

  /* Layout — full-width with responsive side padding via --ts-gutter. */
  --ts-container: 100%;
  --ts-gutter: clamp(16px, 3vw, 48px);
  --ts-grid-gap: var(--ts-space-4);
  --ts-card-radius: var(--ts-radius-md);
  --ts-thumb-aspect: 16 / 9;

  /* Default (neutral) palette — overridden per theme */
  --ts-bg:        #0f0f10;
  --ts-surface:   #18181b;
  --ts-surface-2: #1f1f23;
  --ts-border:    #2a2a30;
  --ts-text:      #f6f7f9;
  --ts-text-muted:#9aa0a6;
  --ts-accent:    oklch(0.72 0.18 50);
  --ts-accent-2:  oklch(0.78 0.20 25);
  --ts-on-accent: #0a0a0a;
  --ts-danger:    oklch(0.65 0.22 25);
  --ts-success:   oklch(0.70 0.16 145);

  /* Shadows */
  --ts-shadow-sm: 0 1px 2px rgba(0,0,0,.25);
  --ts-shadow-md: 0 6px 18px rgba(0,0,0,.35);
  --ts-shadow-lg: 0 20px 50px rgba(0,0,0,.40);

  /* Motion */
  --ts-ease: cubic-bezier(.2,.7,.2,1);
  --ts-dur-fast: 120ms;
  --ts-dur-med:  220ms;
  --ts-dur-slow: 420ms;
}

/* ---------- page chrome ---------- */
.tubeshell-site {
  background: var(--ts-bg);
  color: var(--ts-text);
  font-family: var(--ts-font-body);
  font-size: var(--ts-size-md);
  line-height: 1.5;
  min-height: 100%;
}
.tubeshell-site a { color: inherit; text-decoration: none; }

.tubeshell-header {
  position: sticky; top: 0; z-index: 30;
  background: var(--ts-bg);
  border-bottom: 1px solid var(--ts-border);
  backdrop-filter: saturate(150%) blur(8px);
}
.tubeshell-bar {
  max-width: var(--ts-container);
  margin: 0 auto;
  padding: var(--ts-space-3) var(--ts-gutter);
  display: flex; align-items: center; gap: var(--ts-space-5);
}

.tubeshell-brand {
  display: flex; align-items: center; gap: var(--ts-space-3);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.tubeshell-mark {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--ts-accent);
  color: var(--ts-on-accent);
  border-radius: var(--ts-radius-sm);
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0;
}
.tubeshell-mark svg {
  width: 100%;
  height: 100%;
  display: block;
}
.tubeshell-brand-name {
  font-size: 18px;
}

.tubeshell-nav {
  display: flex; align-items: center; gap: var(--ts-space-4);
  margin-left: auto;
  font-size: var(--ts-size-md);
  color: var(--ts-text-muted);
}
.tubeshell-nav a:hover { color: var(--ts-text); }

.tubeshell-search {
  flex: 1 1 320px; max-width: 480px;
  position: relative;
}
.tubeshell-search input {
  width: 100%;
  height: 38px;
  padding: 0 var(--ts-space-4) 0 36px;
  background: var(--ts-surface);
  color: var(--ts-text);
  border: 1px solid var(--ts-border);
  border-radius: var(--ts-radius-pill);
  font: inherit;
  outline: none;
}
.tubeshell-search input:focus {
  border-color: var(--ts-accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ts-accent) 25%, transparent);
}
.tubeshell-search svg {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--ts-text-muted);
}

.tubeshell-main {
  max-width: var(--ts-container);
  margin: 0 auto;
  padding: var(--ts-space-6) var(--ts-gutter) var(--ts-space-16);
}

/* ---------- hero ---------- */
.tubeshell-hero {
  display: flex; flex-direction: column; gap: var(--ts-space-2);
  padding: var(--ts-space-6) 0 var(--ts-space-5);
}
.tubeshell-kicker {
  display: inline-flex; align-items: center; gap: 6px;
  align-self: flex-start;
  font-size: var(--ts-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ts-accent);
  font-weight: 700;
}
.tubeshell-kicker::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--ts-accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--ts-accent) 30%, transparent);
}
.tubeshell-hero h1 {
  margin: 0;
  font-family: var(--ts-font-display);
  font-size: var(--ts-size-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.05;
}
.tubeshell-hero p {
  margin: 0;
  color: var(--ts-text-muted);
  max-width: 60ch;
}

/* ---------- pills ---------- */
.pkt-category-pills {
  display: flex; flex-wrap: wrap; gap: var(--ts-space-2);
  padding: var(--ts-space-3) 0 var(--ts-space-5);
  border-bottom: 1px solid var(--ts-border);
  margin-bottom: var(--ts-space-5);
}
.pkt-pill {
  display: inline-flex; align-items: center;
  padding: 6px 12px;
  background: var(--ts-surface);
  border: 1px solid var(--ts-border);
  color: var(--ts-text-muted);
  border-radius: var(--ts-radius-pill);
  font-size: var(--ts-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: color var(--ts-dur-fast) var(--ts-ease),
              background var(--ts-dur-fast) var(--ts-ease),
              border-color var(--ts-dur-fast) var(--ts-ease);
}
.pkt-pill:hover { color: var(--ts-text); border-color: color-mix(in oklab, var(--ts-text) 30%, var(--ts-border)); }
.pkt-pill-active {
  background: var(--ts-accent);
  color: var(--ts-on-accent);
  border-color: var(--ts-accent);
  font-weight: 700;
}

/* ---------- ad banner ---------- */
.pkt-ad-banner {
  display: flex; align-items: center; justify-content: center;
  padding: var(--ts-space-3);
  margin-bottom: var(--ts-space-5);
  background: var(--ts-surface);
  border: 1px dashed var(--ts-border);
  border-radius: var(--ts-radius-md);
  min-height: 110px;
  position: relative;
}
.pkt-ad-banner::before {
  content: "AD";
  position: absolute; top: 6px; left: 8px;
  font-family: var(--ts-font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ts-text-muted);
}

/* ---------- grid ---------- */
.pkt-grid {
  display: grid;
  gap: var(--ts-grid-gap);
  grid-template-columns: repeat(var(--pkt-cols, 4), minmax(0,1fr));
}
.pkt-grid-2 { --pkt-cols: 2; }
.pkt-grid-3 { --pkt-cols: 3; }
.pkt-grid-4 { --pkt-cols: 4; }
.pkt-grid-5 { --pkt-cols: 5; }

@media (max-width: 980px) { .pkt-grid { --pkt-cols: 3; } }
@media (max-width: 720px) { .pkt-grid { --pkt-cols: 2; } }
@media (max-width: 460px) { .pkt-grid { --pkt-cols: 1; } }

/* ---------- card ---------- */
.pkt-card {
  display: flex; flex-direction: column;
  background: var(--ts-surface);
  border: 1px solid var(--ts-border);
  border-radius: var(--ts-card-radius);
  overflow: hidden;
  transition: transform var(--ts-dur-fast) var(--ts-ease),
              border-color var(--ts-dur-fast) var(--ts-ease),
              box-shadow var(--ts-dur-med) var(--ts-ease);
  cursor: pointer;
}
.pkt-card:hover {
  border-color: color-mix(in oklab, var(--ts-accent) 60%, var(--ts-border));
  box-shadow: var(--ts-shadow-md);
}

.pkt-card-thumb {
  position: relative;
  aspect-ratio: var(--ts-thumb-aspect);
  background: linear-gradient(135deg, #1a1a1f, #232329);
  overflow: hidden;
  display: block;
}
.pkt-card-thumb > svg,
.pkt-card-thumb > img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.pkt-play-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.55) 100%);
  opacity: 0;
  transition: opacity var(--ts-dur-med) var(--ts-ease);
}
.pkt-card:hover .pkt-play-overlay { opacity: 1; }
.pkt-play-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--ts-accent);
  color: var(--ts-on-accent);
  display: flex; align-items: center; justify-content: center;
  transform: scale(0.85);
  transition: transform var(--ts-dur-med) var(--ts-ease);
}
.pkt-play-icon svg {
  width: 22px;
  height: 22px;
  display: block;
}
.pkt-card:hover .pkt-play-icon { transform: scale(1); }

.pkt-card-badges {
  position: absolute; top: 8px; left: 8px;
  display: flex; gap: 6px; z-index: 2;
}
.pkt-badge {
  font-family: var(--ts-font-mono);
  font-size: 10px; font-weight: 700; letter-spacing: 0.06em;
  padding: 3px 7px;
  border-radius: var(--ts-radius-sm);
  background: rgba(0,0,0,0.7);
  color: #fff;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}
.pkt-badge-hd  { background: var(--ts-accent); color: var(--ts-on-accent); }
.pkt-badge-new { background: var(--ts-success); color: #0a0a0a; }
.pkt-badge-vip { background: linear-gradient(135deg, #ffd966, #e6a700); color: #2a1a00; }

.pkt-duration {
  position: absolute; right: 8px; bottom: 8px;
  font-family: var(--ts-font-mono);
  font-size: 11px; font-weight: 700;
  padding: 3px 6px;
  background: rgba(0,0,0,0.78);
  color: #fff;
  border-radius: var(--ts-radius-xs);
  z-index: 2;
}

.pkt-card-info {
  padding: var(--ts-space-3);
  display: flex; flex-direction: column; gap: 6px;
}
.pkt-card-title {
  font-size: var(--ts-size-md);
  font-weight: 600;
  color: var(--ts-text);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-wrap: pretty;
}
.pkt-card-meta {
  display: flex; align-items: center; gap: var(--ts-space-3);
  font-size: var(--ts-size-xs);
  color: var(--ts-text-muted);
}
.pkt-card-cat {
  color: var(--ts-accent);
  font-weight: 600;
}

/* ---------- pagination ---------- */
.pkt-pagination {
  display: flex; gap: 6px; justify-content: center;
  padding: var(--ts-space-8) 0 0;
}
.pkt-page {
  min-width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 10px;
  background: var(--ts-surface);
  border: 1px solid var(--ts-border);
  border-radius: var(--ts-radius-sm);
  color: var(--ts-text-muted);
  font-size: var(--ts-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ts-dur-fast) var(--ts-ease);
}
.pkt-page:hover { color: var(--ts-text); border-color: var(--ts-text-muted); }
.pkt-page-active {
  background: var(--ts-accent);
  border-color: var(--ts-accent);
  color: var(--ts-on-accent);
}

/* ---------- footer ---------- */
.tubeshell-footer {
  border-top: 1px solid var(--ts-border);
  padding: var(--ts-space-8) var(--ts-gutter);
  font-size: var(--ts-size-sm);
  color: var(--ts-text-muted);
}
.tubeshell-footer-inner {
  max-width: var(--ts-container);
  margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: var(--ts-space-6);
  align-items: center;
}
.tubeshell-footer .tubeshell-footer-links {
  display: flex; gap: var(--ts-space-4); margin-left: auto;
}
.tubeshell-footer-links a:hover { color: var(--ts-text); }
.tubeshell-age-warn {
  font-family: var(--ts-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ts-text-muted);
}

/* ---------- button primitive ---------- */
.ts-btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 16px;
  border-radius: var(--ts-radius-sm);
  font: inherit; font-weight: 600; font-size: var(--ts-size-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--ts-dur-fast) var(--ts-ease);
}
.ts-btn-primary {
  background: var(--ts-accent); color: var(--ts-on-accent);
}
.ts-btn-primary:hover { filter: brightness(1.08); }
.ts-btn-ghost {
  background: transparent; color: var(--ts-text); border-color: var(--ts-border);
}
.ts-btn-ghost:hover { border-color: var(--ts-text-muted); }

/* ---------- accessibility ---------- */
.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap;
  border: 0; padding: 0; margin: -1px;
}

/* ---------- home rows (Hot / New / Categories) ---------- */
.fxv-home-row {
  display: flex; flex-direction: column;
  gap: var(--ts-space-4);
  padding: var(--ts-space-6) 0;
}
.fxv-home-row + .fxv-home-row {
  border-top: 1px solid var(--ts-border);
}

.ts-section-title {
  display: flex; align-items: center; gap: var(--ts-space-3);
  font-family: var(--ts-font-display);
  font-size: var(--ts-size-2xl);
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 0;
}
.ts-section-title .see-all {
  margin-left: auto;
  font-family: var(--ts-font-body);
  font-size: var(--ts-size-sm);
  font-weight: 600;
  color: var(--ts-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}
.ts-section-title .see-all:hover { color: var(--ts-accent); }

/* ---------- category grid (home row 3) ---------- */
.fxv-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--ts-grid-gap);
}
.fxv-category-card {
  display: block;
  text-decoration: none;
  color: var(--ts-text);
}
.fxv-category-card__thumb {
  position: relative;
  aspect-ratio: var(--ts-thumb-aspect);
  overflow: hidden;
  border-radius: var(--ts-card-radius);
  background: var(--ts-surface-2);
}
.fxv-category-card__thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform var(--ts-dur-med) var(--ts-ease);
}
.fxv-category-card:hover .fxv-category-card__thumb img { transform: scale(1.04); }
.fxv-category-card__thumb-placeholder {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 50% 100%, color-mix(in oklab, var(--ts-accent) 25%, transparent), transparent 60%),
    var(--ts-surface-2);
}
.fxv-category-card__overlay {
  position: absolute; inset: auto 0 0 0;
  padding: var(--ts-space-4);
  background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0.0));
  color: #fff;
  display: flex; align-items: baseline; gap: var(--ts-space-3);
}
.fxv-category-card__name {
  font-family: var(--ts-font-display);
  font-size: var(--ts-size-lg);
  font-weight: 800;
  letter-spacing: -0.01em;
}
.fxv-category-card__count {
  margin-left: auto;
  font-size: var(--ts-size-xs);
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}