/* ============================================================
   IMMERSIVE SKIN — Global Overrides
   Light Editorial Premium — Header, Footer, Typography,
   Buttons, Forms, Cards, Gallery, Components
   ============================================================ */

/* --- Base --- */
body[data-skin="immersive"] {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.7;
}

/* --- Typography System --- */
body[data-skin="immersive"] h1,
body[data-skin="immersive"] h2,
body[data-skin="immersive"] h3,
body[data-skin="immersive"] h4 {
  font-family: var(--font-display);
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--c-text);
}

/* --- Header — Warm Editorial --- */
body[data-skin="immersive"] .header-wrap {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: none;
  height: var(--header-h);
}

body[data-skin="immersive"] .brand h1,
body[data-skin="immersive"] .brand a > span:not(.brand-dot) {
  color: var(--c-text);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}
body[data-skin="immersive"] .brand-dot {
  background: var(--c-accent);
  border-radius: 2px;
}
body[data-skin="immersive"] .brand-logo-img {
  height: 36px;
  max-width: 180px;
}

/* --- Navigation — Editorial Style --- */
body[data-skin="immersive"] .nav {
  gap: 2.25rem;
}
body[data-skin="immersive"] .nav-link {
  color: var(--c-text-muted);
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast) ease, border-color var(--duration-fast) ease;
}
body[data-skin="immersive"] .nav-link:hover {
  color: var(--c-text);
}
body[data-skin="immersive"] .nav-link.active {
  color: var(--c-text);
  border-bottom-color: var(--c-accent);
}
body[data-skin="immersive"] .nav-link--admin {
  color: var(--c-accent);
}
body[data-skin="immersive"] .nav-link--lang {
  color: var(--c-text-muted);
  font-weight: 700;
}

body[data-skin="immersive"] .icon-bar {
  background: var(--c-text);
}

/* --- Mobile Menu --- */
@media (max-width: 899px) {
  body[data-skin="immersive"] .nav {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-inline-start: 1px solid var(--c-border);
  }
}

/* --- Buttons --- */
body[data-skin="immersive"] .btn {
  background: var(--c-primary);
  color: #fff;
  border-radius: 6px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0.75rem 1.75rem;
  transition: background var(--duration-fast) ease, transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}
body[data-skin="immersive"] .btn:hover {
  background: var(--c-primary-hover);
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
body[data-skin="immersive"] .btn.light {
  background: var(--c-surface);
  color: var(--c-text);
  border: 1px solid var(--c-border);
}
body[data-skin="immersive"] .btn.light:hover {
  border-color: var(--c-border-strong);
  background: var(--c-surface-hover);
}
body[data-skin="immersive"] .btn.danger {
  background: var(--c-surface);
  color: var(--c-danger);
  border: 1px solid rgba(220,38,38,0.2);
}

/* --- Cards --- */
body[data-skin="immersive"] .card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* --- Forms --- */
body[data-skin="immersive"] .form-label {
  color: var(--c-text-muted);
  font-family: var(--font-main);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}
body[data-skin="immersive"] .form-input,
body[data-skin="immersive"] .form-textarea,
body[data-skin="immersive"] .form-select {
  background: var(--c-input-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-family: var(--font-main);
  transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}
body[data-skin="immersive"] .form-input:focus,
body[data-skin="immersive"] .form-textarea:focus,
body[data-skin="immersive"] .form-select:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(194,112,62,0.1);
  outline: none;
}
body[data-skin="immersive"] .form-input::placeholder,
body[data-skin="immersive"] .form-textarea::placeholder {
  color: var(--c-text-dim);
}

/* --- Gallery Grid — Masonry (CSS Columns) --- */
body[data-skin="immersive"] .gallery-grid {
  display: block;
  column-count: 4;
  grid-template-columns: unset;
  gap: unset;
  column-gap: 2px;
}
body[data-skin="immersive"] .gallery-tile {
  break-inside: avoid;
  margin-bottom: 1px;
  border: none;
  border-radius: 3px;
  background: var(--c-surface);
  box-shadow: none;
  aspect-ratio: auto;
  display: block;
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-out), box-shadow var(--duration-normal) var(--ease-out);
}
body[data-skin="immersive"] .gallery-tile:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
body[data-skin="immersive"] .gallery-tile img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: cover;
  display: block;
  transition: transform var(--duration-slow) var(--ease-out);
}
body[data-skin="immersive"] .gallery-tile:hover img {
  transform: scale(1.03);
}

@media (max-width: 1100px) {
  body[data-skin="immersive"] .gallery-grid {
    column-count: 3;
  }
}
@media (max-width: 700px) {
  body[data-skin="immersive"] .gallery-grid {
    column-count: 2;
  }
}

body[data-skin="immersive"] .tile-overlay {
  background: rgba(255,255,255,0.95);
  border-top: 1px solid var(--c-border);
}
body[data-skin="immersive"] .tile-title {
  color: var(--c-text);
  font-family: var(--font-display);
  font-weight: 600;
}

/* --- Feed Tiles --- */
body[data-skin="immersive"] .feed-tile {
  background: var(--c-surface);
  border-color: var(--c-border);
  border-radius: var(--radius-md);
}
body[data-skin="immersive"] .feed-tile:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-md);
}
body[data-skin="immersive"] .feed-text-content {
  background: linear-gradient(135deg, #fff 0%, var(--c-bg) 100%);
  color: var(--c-text);
}

/* --- Color Discovery (Footer Section) --- */
body[data-skin="immersive"] .color-discovery {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
}
body[data-skin="immersive"] .color-discovery-heading {
  color: var(--c-text);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}
body[data-skin="immersive"] .color-discovery-sub {
  color: var(--c-text-muted);
  font-family: var(--font-main);
}
body[data-skin="immersive"] .color-chip {
  background: var(--c-bg);
  border-color: var(--c-border);
  color: var(--c-text);
  transition: border-color var(--duration-fast) ease, background var(--duration-fast) ease;
}
body[data-skin="immersive"] .color-chip:hover {
  border-color: var(--c-border-strong);
  background: var(--c-surface);
}

/* --- Footer --- */
body[data-skin="immersive"] .footer {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
}
body[data-skin="immersive"] .footer-link {
  color: var(--c-text-muted);
  font-family: var(--font-main);
  font-size: 0.85rem;
}
body[data-skin="immersive"] .footer-link:hover {
  color: var(--c-text);
}
body[data-skin="immersive"] .footer-dot {
  background: var(--c-text-dim);
}
body[data-skin="immersive"] .footer-credit {
  color: var(--c-text-dim);
  font-family: var(--font-main);
}

/* --- Maintenance Banner --- */
body[data-skin="immersive"] .maint-soft-banner {
  background: #fef3c7;
  border-bottom-color: #f59e0b;
  color: #92400e;
  font-family: var(--font-main);
}

/* --- Spinner --- */
body[data-skin="immersive"] .spinner {
  border-color: rgba(194,112,62,0.15);
  border-top-color: var(--c-accent);
}

/* --- No-results --- */
body[data-skin="immersive"] .no-results {
  color: var(--c-text-muted);
}
body[data-skin="immersive"] .no-results a {
  color: var(--c-accent);
}

/* --- Scroll-Driven Fade-In (subtle) --- */
@supports (animation-timeline: scroll()) {
  body[data-skin="immersive"] .gallery-tile,
  body[data-skin="immersive"] .feat-card,
  body[data-skin="immersive"] .behind-card {
    animation: editorialFadeUp linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 25%;
  }
}
@keyframes editorialFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* --- Selection --- */
body[data-skin="immersive"] ::selection {
  background: rgba(194,112,62,0.2);
  color: var(--c-text);
}

/* --- Scrollbar --- */
body[data-skin="immersive"]::-webkit-scrollbar {
  width: 8px;
}
body[data-skin="immersive"]::-webkit-scrollbar-track {
  background: var(--c-bg);
}
body[data-skin="immersive"]::-webkit-scrollbar-thumb {
  background: var(--c-border-strong);
  border-radius: 4px;
}
body[data-skin="immersive"]::-webkit-scrollbar-thumb:hover {
  background: var(--c-text-muted);
}