/* ============================================================
   GIF ENGINE — orient-luxury design system
   Near-black default (dark), parchment light mode via toggle.
   CIO Factory shared token prefix: --ol-
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,500&family=Syne:wght@500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ol-bg: #09080b;
  --ol-bg-raised: #121016;
  --ol-bg-inset: #0d0c10;
  --ol-hairline: rgba(201, 168, 76, 0.16);
  --ol-hairline-strong: rgba(201, 168, 76, 0.32);
  --ol-gold: #c9a84c;
  --ol-gold-soft: rgba(201, 168, 76, 0.55);
  --ol-gold-dim: rgba(201, 168, 76, 0.14);
  --ol-ink: #ece7dc;
  --ol-ink-dim: #a49d8e;
  --ol-ink-faint: #6f6a5f;
  --ol-danger: #c96b4c;
  --ol-success: #8fae6b;

  --font-display: 'Cinzel', serif;
  --font-body: 'Cormorant Garamond', serif;
  --font-ui: 'Syne', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

html[data-theme='light'] {
  --ol-bg: #f0ebe0;
  --ol-bg-raised: #f8f4ea;
  --ol-bg-inset: #e9e2d3;
  --ol-hairline: rgba(138, 104, 32, 0.2);
  --ol-hairline-strong: rgba(138, 104, 32, 0.38);
  --ol-gold: #8a6820;
  --ol-gold-soft: rgba(138, 104, 32, 0.6);
  --ol-gold-dim: rgba(138, 104, 32, 0.12);
  --ol-ink: #241f16;
  --ol-ink-dim: #5c5544;
  --ol-ink-faint: #8c8368;
  --ol-danger: #a8471f;
  --ol-success: #4d6b2f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ol-bg);
  color: var(--ol-ink);
  font-family: var(--font-body);
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

a { color: var(--ol-gold); }

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------------- header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, var(--ol-bg) 78%, transparent);
  border-bottom: 1px solid var(--ol-hairline);
  backdrop-filter: blur(6px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 18px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  font-size: 20px;
  font-weight: 600;
  color: var(--ol-ink);
  text-decoration: none;
}

.brand .brand-mark {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--ol-gold);
  border-radius: 50%;
  position: relative;
}
.brand .brand-mark::after {
  content: '';
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--ol-gold);
}

.brand small {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ol-ink-faint);
  text-transform: uppercase;
  font-weight: 500;
}

.theme-toggle {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--ol-hairline-strong);
  color: var(--ol-ink-dim);
  padding: 9px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease;
}
.theme-toggle:hover, .theme-toggle:focus-visible {
  border-color: var(--ol-gold);
  color: var(--ol-gold);
}

/* ---------------- hero / filmstrip signature ---------------- */
.filmstrip {
  height: 34px;
  display: flex;
  align-items: center;
  background: var(--ol-bg-inset);
  border-top: 1px solid var(--ol-hairline);
  border-bottom: 1px solid var(--ol-hairline);
  overflow: hidden;
  position: relative;
}
.filmstrip::before, .filmstrip::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 100%;
  background-image: repeating-linear-gradient(
    to right,
    transparent 0, transparent 10px,
    var(--ol-gold-dim) 10px, var(--ol-gold-dim) 20px
  );
  background-size: 40px 100%;
}
.filmstrip::before { top: 4px; height: 8px; }
.filmstrip::after { bottom: 4px; height: 8px; }
.filmstrip-track {
  display: flex;
  gap: 18px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ol-ink-faint);
  animation: reel-scroll 32s linear infinite;
  padding-left: 20px;
}
@media (prefers-reduced-motion: reduce) {
  .filmstrip-track { animation: none; }
}
@keyframes reel-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.hero {
  padding: 64px 0 40px;
  text-align: left;
}
.eyebrow {
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ol-gold);
  margin: 0 0 16px;
}
h1.title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.08;
  margin: 0 0 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.lede {
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.5;
  color: var(--ol-ink-dim);
  max-width: 56ch;
  margin: 0;
  font-weight: 500;
}

/* ---------------- section shell ---------------- */
.panel {
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-hairline);
  border-radius: 14px;
  padding: 32px;
  margin-bottom: 28px;
}
.panel h2 {
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ol-ink-dim);
  margin: 0 0 22px;
  font-weight: 600;
}

/* ---------------- reel/method selector ---------------- */
.reel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 760px) {
  .reel-grid { grid-template-columns: repeat(2, 1fr); }
}

.reel-card {
  position: relative;
  border: 1px solid var(--ol-hairline);
  border-radius: 12px;
  padding: 20px 16px 18px;
  cursor: pointer;
  background: var(--ol-bg-inset);
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
  text-align: left;
}
.reel-card:hover { border-color: var(--ol-gold-soft); transform: translateY(-2px); }
.reel-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.reel-card .reel-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--ol-hairline-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.reel-card .reel-icon::before {
  content: '';
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ol-hairline-strong);
  transition: background .18s ease;
}
.reel-card .reel-label {
  display: block;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ol-ink);
  margin-bottom: 4px;
}
.reel-card .reel-desc {
  display: block;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ol-ink-faint);
  line-height: 1.4;
}
.reel-card .reel-tag {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ol-ink-faint);
  border: 1px solid var(--ol-hairline);
  border-radius: 4px;
  padding: 2px 6px;
}

.reel-card input:checked ~ .reel-icon {
  border-color: var(--ol-gold);
  box-shadow: 0 0 0 3px var(--ol-gold-dim);
}
.reel-card input:checked ~ .reel-icon::before {
  background: var(--ol-gold);
}
.reel-card:has(input:checked) {
  border-color: var(--ol-gold);
  background: linear-gradient(160deg, var(--ol-gold-dim), transparent 60%);
}
.reel-card:has(input:checked) .reel-label { color: var(--ol-gold); }
.reel-card:focus-within { outline: 2px solid var(--ol-gold-soft); outline-offset: 2px; }

/* ---------------- form controls ---------------- */
.field-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 22px;
}
@media (max-width: 760px) {
  .field-row { grid-template-columns: repeat(2, 1fr); }
}
.field label {
  display: block;
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ol-ink-faint);
  margin-bottom: 8px;
}
.field input[type='text'],
.field input[type='number'],
.field input[type='url'],
.field select {
  width: 100%;
  background: var(--ol-bg-inset);
  border: 1px solid var(--ol-hairline);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ol-ink);
  font-family: var(--font-mono);
  font-size: 14px;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--ol-gold);
}

.dropzone {
  margin-top: 22px;
  border: 1.5px dashed var(--ol-hairline-strong);
  border-radius: 12px;
  padding: 34px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease;
  background: var(--ol-bg-inset);
}
.dropzone.drag-over, .dropzone:hover { border-color: var(--ol-gold); background: var(--ol-gold-dim); }
.dropzone input[type='file'] { display: none; }
.dropzone .dz-title {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--ol-ink);
  margin-bottom: 6px;
}
.dropzone .dz-sub {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ol-ink-faint);
}
.dropzone .dz-file {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ol-gold);
}

.url-field-wrap { margin-top: 22px; }

.hint {
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ol-ink-faint);
}

/* ---------------- buttons ---------------- */
.btn-gold {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--ol-gold);
  color: var(--ol-bg);
  border: none;
  border-radius: 999px;
  padding: 14px 30px;
  cursor: pointer;
  transition: opacity .18s ease, transform .18s ease;
}
.btn-gold:hover { opacity: 0.9; }
.btn-gold:active { transform: scale(0.98); }
.btn-gold:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-ghost {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ol-ink-dim);
  border: 1px solid var(--ol-hairline-strong);
  border-radius: 999px;
  padding: 11px 22px;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--ol-gold); color: var(--ol-gold); }

.actions-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
}

/* ---------------- progress / status ---------------- */
.status-line {
  display: none;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ol-ink-dim);
}
.status-line.active { display: flex; }
.spinner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--ol-hairline-strong);
  border-top-color: var(--ol-gold);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.progress-track {
  margin-top: 14px;
  height: 4px;
  border-radius: 2px;
  background: var(--ol-hairline);
  overflow: hidden;
  display: none;
}
.progress-track.active { display: block; }
.progress-fill {
  height: 100%;
  width: 18%;
  background: var(--ol-gold);
  animation: sweep 1.6s ease-in-out infinite;
}
@keyframes sweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(560%); }
}

.error-box {
  display: none;
  margin-top: 20px;
  border: 1px solid rgba(201, 107, 76, 0.4);
  background: rgba(201, 107, 76, 0.08);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ol-danger);
}
.error-box.active { display: block; }

/* ---------------- result ---------------- */
.result-panel { display: none; }
.result-panel.active { display: block; }
.result-frame {
  border: 1px solid var(--ol-hairline);
  border-radius: 12px;
  overflow: hidden;
  background: var(--ol-bg-inset);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}
.result-frame img { max-width: 100%; display: block; }

/* ---------------- toast ---------------- */
.toast {
  position: fixed;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  z-index: 1000;
  background: var(--ol-bg-raised);
  border: 1px solid var(--ol-gold-soft);
  color: var(--ol-ink);
  font-family: var(--font-ui);
  font-size: 13px;
  padding: 12px 22px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------------- debug ---------------- */
.debug-panel {
  display: none;
  margin-top: 20px;
  background: var(--ol-bg-inset);
  border: 1px solid var(--ol-hairline);
  border-radius: 10px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ol-ink-faint);
  white-space: pre-wrap;
  word-break: break-word;
}
.debug-panel.active { display: block; }

/* ---------------- footer ---------------- */
.site-footer {
  padding: 40px 0 60px;
  border-top: 1px solid var(--ol-hairline);
  margin-top: 40px;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ol-ink-faint);
}

:focus-visible { outline: 2px solid var(--ol-gold-soft); outline-offset: 2px; }