/* ============================================================
   enhance.css — interaction & theme layer for brajeshsen site
   Loaded after each page's inline styles; overrides by design.
   ============================================================ */

/* ---------- 1. Dark theme tokens (warm, candle-lit) ---------- */
html[data-theme="dark"] {
  --bg: #131210;
  --bg-soft: #1c1a17;
  --text: #e7e4de;
  --text-strong: #f7f4ee;
  --text-muted: #a39d92;
  --text-light: #767066;
  --border: #28251f;
  --border-strong: #3b362e;
  --accent: #f07a45;
  color-scheme: dark;
}
html[data-theme="dark"] body { background: var(--bg); color: var(--text); }
html[data-theme="dark"] ::selection { background: #4a2a16; color: #f7f4ee; }

/* Header & overlays that used hard-coded white */
html[data-theme="dark"] .site-header {
  background: rgba(19, 18, 16, 0.86);
  border-bottom-color: var(--border);
}
html[data-theme="dark"] .carousel-btn,
html[data-theme="dark"] .cinema-photo .arrow,
html[data-theme="dark"] .t-lb-close {
  background: rgba(28, 26, 23, 0.9);
  color: var(--text);
  border-color: var(--border-strong);
}
html[data-theme="dark"] .t-lightbox { background: rgba(8, 7, 6, 0.94); }

/* Components with hard-coded light backgrounds in page CSS */
html[data-theme="dark"] .more-card,
html[data-theme="dark"] .bn-card {
  background: var(--bg-soft);
  border-color: var(--border);
}
html[data-theme="dark"] .cinema-photo .arrow {
  background: rgba(28, 26, 23, 0.88);
  color: var(--text);
}
html[data-theme="dark"] .cinema-photo .arrow:hover {
  background: #2a2723;
  color: var(--text-strong);
}
html[data-theme="dark"] .t-controls {
  background: rgba(19, 18, 16, 0.96);
  border-color: var(--border);
}
html[data-theme="dark"] .t-lightbox .t-lb-close { background: rgba(255, 255, 255, 0.08); }
html[data-theme="dark"] .t-lightbox .t-lb-close:hover { background: rgba(255, 255, 255, 0.16); }
html[data-theme="dark"] .work-card .wc-cover { background: #232019; }

/* Wordmark: invert the ink */
html[data-theme="dark"] .brand-text { filter: invert(1) hue-rotate(180deg); }

/* Employer logos sit on paper chips so brand colors stay legible */
html[data-theme="dark"] .logo { background: #efeae2; }
html[data-theme="dark"] .logo .ld { color: #6f695f; }

/* Soften photography slightly in the dark */
html[data-theme="dark"] img.portrait,
html[data-theme="dark"] .t-photo img,
html[data-theme="dark"] .frame-card img,
html[data-theme="dark"] .bite-fig img {
  filter: brightness(0.94) contrast(1.02);
}
html[data-theme="dark"] .cover-fallback { opacity: 0.92; }

/* Shadows need more weight on dark surfaces */
html[data-theme="dark"] .building-card,
html[data-theme="dark"] .more-card,
html[data-theme="dark"] .frame-card,
html[data-theme="dark"] .bk {
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
}

/* ---------- 2. Smooth theme cross-fade (applied briefly by JS) ---------- */
html.theming, html.theming *, html.theming *::before, html.theming *::after {
  transition: background-color 0.35s ease, color 0.35s ease,
              border-color 0.35s ease, box-shadow 0.35s ease,
              filter 0.35s ease !important;
}

/* ---------- 3. Theme toggle button ---------- */
.theme-toggle {
  position: relative;
  width: 36px; height: 36px;
  flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.nav { align-items: center; }
.nav .theme-toggle { margin-top: -2px; }
.theme-toggle:hover { color: var(--text); border-color: var(--border-strong); }
.nav .theme-toggle { margin-left: -4px; }
.theme-toggle:focus { outline: none; }
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.theme-toggle:active { transform: scale(0.9); }
@media (max-width: 640px) {
  .site-header .inner { position: relative; padding-right: 64px; }
  .theme-toggle { position: absolute; top: 50%; right: 16px; transform: translateY(-50%); }
  .theme-toggle:active { transform: translateY(-50%) scale(0.9); }
}
.theme-toggle svg {
  position: absolute; width: 20px; height: 20px;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
}
.theme-toggle .tt-sun  { opacity: 0; transform: rotate(90deg) scale(0.4); }
.theme-toggle .tt-moon { opacity: 1; transform: rotate(0) scale(1); }
html[data-theme="dark"] .theme-toggle .tt-sun  { opacity: 1; transform: rotate(0) scale(1); }
html[data-theme="dark"] .theme-toggle .tt-moon { opacity: 0; transform: rotate(-90deg) scale(0.4); }

/* ---------- 4. Scroll reveal (gentle editorial rise) ---------- */
.rv {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--rv-d, 0s);
}
.rv.rv-in { opacity: 1; transform: none; }

/* ---------- 5. Hero line rise (word by word, once on load) ---------- */
@keyframes bsWordRise {
  from { opacity: 0; transform: translateY(0.55em); }
  to   { opacity: 1; transform: none; }
}
.h-word {
  display: inline-block;
  opacity: 0;
  animation: bsWordRise 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--w-d, 0s);
}

/* ---------- 6. Lamplight spotlight on cards ---------- */
.lamp { position: relative; }
.lamp::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
  background: radial-gradient(
    240px circle at var(--lx, 50%) var(--ly, 50%),
    color-mix(in srgb, var(--accent) 10%, transparent),
    transparent 68%
  );
}
.lamp:hover::after { opacity: 1; }
html[data-theme="dark"] .lamp::after {
  background: radial-gradient(
    240px circle at var(--lx, 50%) var(--ly, 50%),
    color-mix(in srgb, var(--accent) 14%, transparent),
    transparent 68%
  );
}

/* ---------- 7. Portrait tilt + sheen ---------- */
.portrait-frame { perspective: 700px; }
.portrait-frame .portrait {
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 0.25s ease;
  will-change: transform;
}
.portrait-frame { position: relative; }
.portrait-frame::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(
    180px circle at var(--px, 50%) var(--py, 50%),
    rgba(255, 255, 255, 0.16),
    transparent 70%
  );
}
.portrait-frame:hover::after { opacity: 1; }

/* ---------- 8. Nav underline sweep ---------- */
.nav a { border-bottom: none !important; position: relative; padding-bottom: 4px; }
.nav a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left center;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }

/* ---------- 9. "Currently" rows: arrow nudge + warm sweep ---------- */
.currently .row { transition: background-color 0.25s ease; border-radius: 6px; }
.currently .row:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.currently .row .arrow { display: inline-block; transition: transform 0.25s ease, color 0.25s ease; }
.currently .row:hover .arrow { transform: translateX(4px); color: var(--accent); }

/* ---------- 10. Card micro-lift (soft, no hard shadows) ---------- */
.more-card, .building-card, .bk, .frame-card, .social-chip {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.3s ease, border-color 0.3s ease;
}
.more-card:hover, .building-card:hover, .frame-card:hover {
  transform: translateY(-3px);
}
.bk:hover { transform: translateY(-4px) rotate(-0.4deg); }
.social-chip:hover { transform: translateY(-2px); }

/* ---------- 11. Marquee edge fade ---------- */
.marquee-wrap {
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

/* ---------- 12. Reading progress (article pages only) ---------- */
.read-progress {
  position: fixed; top: 0; left: 0; z-index: 200;
  height: 2px; width: 100%;
  background: var(--accent);
  transform: scaleX(var(--rp, 0));
  transform-origin: left center;
  pointer-events: none;
}

/* ---------- 13. Drag-to-scroll affordance ---------- */
.carousel-track { cursor: grab; }
.carousel-track.dragging { cursor: grabbing; scroll-snap-type: none; scroll-behavior: auto; }
.carousel-track.dragging * { pointer-events: none; user-select: none; }

/* ---------- 15. Article titles: max ~2 lines in the reading column ---------- */
.article-title {
  font-size: clamp(28px, 3.8vw, 38px);
  line-height: 1.12;
  text-wrap: balance;
}

/* ---------- 16. Ember cursor (fine pointers only; JS adds .has-ember) ---------- */
html.has-ember, html.has-ember body, html.has-ember a, html.has-ember button,
html.has-ember .carousel-track, html.has-ember [role="button"] { cursor: none; }

.ember-dot, .ember-ring {
  position: fixed; top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  will-change: transform;
}
.ember-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  transform: translate(-50%, -50%);
}
.ember-ring {
  width: 30px; height: 30px;
  border: 1.5px solid color-mix(in srgb, var(--accent) 55%, transparent);
  background: transparent;
  transition: width 0.25s ease, height 0.25s ease,
              background-color 0.25s ease, border-color 0.25s ease,
              opacity 0.25s ease;
}
/* over links & buttons: ring warms up and grows */
html.ember-hover .ember-ring {
  width: 46px; height: 46px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--accent) 80%, transparent);
}
/* pressed: tighten */
html.ember-down .ember-ring { width: 22px; height: 22px; }
html.ember-down .ember-dot { transform: translate(-50%, -50%) scale(0.7); }
/* over images & photos: ring becomes a viewfinder */
html.ember-view .ember-ring {
  width: 54px; height: 54px;
  border-style: dashed;
  border-color: color-mix(in srgb, var(--accent) 70%, transparent);
  background: transparent;
}
/* hide when the pointer leaves the window */
html.ember-idle .ember-dot, html.ember-idle .ember-ring { opacity: 0; }

/* ---------- 14. Reduced motion: switch everything off ---------- */
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  .h-word { opacity: 1; animation: none; }
  .portrait-frame .portrait { transform: none !important; }
  .nav a::after { transition: none; }
  .more-card:hover, .building-card:hover, .frame-card:hover,
  .bk:hover, .social-chip:hover { transform: none; }
  .marquee-track { animation: none !important; }
}