/* ==========================================================================
   EARTH SNAPSHOT (EPIC) — orient-luxury design system
   Near-black base, gold accent stack, grain overlay, parchment light mode.
   A soft atmospheric halo accent is added behind the porthole only.
   ========================================================================== */

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

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

  --ol-radius: 2px;
  --ol-border-w: 1px;
  --ol-max-width: 980px;
  --ol-space-1: 0.4rem;
  --ol-space-2: 0.8rem;
  --ol-space-3: 1.6rem;
  --ol-space-4: 2.4rem;
  --ol-space-5: 4rem;

  --ol-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ol-dur: 420ms;
}

:root,
html[data-theme="dark"] {
  --ol-bg: #09080b;
  --ol-bg-elevated: #121016;
  --ol-bg-card: #15131a;
  --ol-hairline: rgba(201, 168, 76, 0.18);

  --ol-gold-100: #c9a84c;
  --ol-gold-80: rgba(201, 168, 76, 0.8);
  --ol-gold-60: rgba(201, 168, 76, 0.6);
  --ol-gold-40: rgba(201, 168, 76, 0.4);
  --ol-gold-20: rgba(201, 168, 76, 0.16);
  --ol-gold-dark: #8a6820;

  --ol-halo: rgba(94, 158, 191, 0.22);
  --ol-halo-soft: rgba(94, 158, 191, 0.08);

  --ol-text: #ede7da;
  --ol-text-dim: rgba(237, 231, 218, 0.66);
  --ol-text-faint: rgba(237, 231, 218, 0.4);

  --ol-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.7);
  --ol-grain-opacity: 0.05;
  --ol-star-opacity: 1;
  --ol-scrim: rgba(9, 8, 11, 0.88);
}

html[data-theme="light"] {
  --ol-bg: #f0ebe0;
  --ol-bg-elevated: #f2ede8;
  --ol-bg-card: #fbf8f2;
  --ol-hairline: rgba(138, 104, 32, 0.28);

  --ol-gold-100: #8a6820;
  --ol-gold-80: rgba(138, 104, 32, 0.85);
  --ol-gold-60: rgba(138, 104, 32, 0.6);
  --ol-gold-40: rgba(138, 104, 32, 0.35);
  --ol-gold-20: rgba(138, 104, 32, 0.14);
  --ol-gold-dark: #6b4f18;

  --ol-halo: rgba(94, 158, 191, 0.14);
  --ol-halo-soft: rgba(94, 158, 191, 0.05);

  --ol-text: #211c14;
  --ol-text-dim: rgba(33, 28, 20, 0.68);
  --ol-text-faint: rgba(33, 28, 20, 0.46);

  --ol-shadow: 0 24px 60px -24px rgba(90, 70, 30, 0.28);
  --ol-grain-opacity: 0.035;
  --ol-star-opacity: 0;
  --ol-scrim: rgba(240, 235, 224, 0.92);
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--ol-bg);
  color: var(--ol-text);
  font-family: var(--ol-font-body);
  font-size: 18px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--ol-dur) var(--ol-ease), color var(--ol-dur) var(--ol-ease);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}
a { color: var(--ol-gold-100); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--ol-font-display); font-weight: 600; margin: 0; letter-spacing: 0.02em; }

/* ---------- Starfield ---------- */
.starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: var(--ol-star-opacity);
  transition: opacity var(--ol-dur) var(--ol-ease);
}
.starfield span {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: #f4efe2;
  animation: twinkle 5s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.9; }
}

/* ---------- Grain overlay ---------- */
.grain-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  mix-blend-mode: soft-light;
  opacity: var(--ol-grain-opacity);
}

/* ---------- Layout shell ---------- */
.shell { max-width: var(--ol-max-width); margin: 0 auto; padding: 0 var(--ol-space-3); position: relative; z-index: 1; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: var(--ol-border-w) solid var(--ol-hairline);
  background: linear-gradient(180deg, var(--ol-bg-elevated), transparent);
  position: relative;
  z-index: 2;
}
.site-header .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--ol-space-3);
  padding-bottom: var(--ol-space-3);
  gap: var(--ol-space-2);
}
.wordmark { display: flex; flex-direction: column; gap: 2px; }
.wordmark .mark { font-family: var(--ol-font-display); font-size: 1.5rem; letter-spacing: 0.14em; color: var(--ol-text); }
.wordmark .tagline { font-family: var(--ol-font-ui); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ol-gold-100); }
.icon-btn {
  width: 40px; height: 40px; border-radius: 50%;
  border: var(--ol-border-w) solid var(--ol-hairline);
  background: var(--ol-bg-card);
  color: var(--ol-gold-100);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 200ms var(--ol-ease), transform 200ms var(--ol-ease);
}
.icon-btn:hover { border-color: var(--ol-gold-60); transform: translateY(-1px); }
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn .icon-moon { display: block; }
.icon-btn .icon-sun { display: none; }
html[data-theme="light"] .icon-btn .icon-moon { display: none; }
html[data-theme="light"] .icon-btn .icon-sun { display: block; }

/* ---------- Porthole stage ---------- */
.porthole-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--ol-space-5) 0 var(--ol-space-3);
  position: relative;
}
.porthole-halo {
  position: absolute;
  top: 50%; left: 50%;
  width: min(560px, 84vw);
  height: min(560px, 84vw);
  transform: translate(-50%, -55%);
  border-radius: 50%;
  background: radial-gradient(circle, var(--ol-halo) 0%, var(--ol-halo-soft) 45%, transparent 72%);
  filter: blur(2px);
  pointer-events: none;
}
.porthole {
  position: relative;
  width: min(440px, 78vw);
  height: min(440px, 78vw);
  border-radius: 50%;
  overflow: hidden;
  background: #000;
  border: 2px solid var(--ol-gold-60);
  box-shadow:
    0 0 0 8px var(--ol-bg),
    0 0 0 9px var(--ol-hairline),
    var(--ol-shadow);
}
.porthole img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 320ms var(--ol-ease);
}
.porthole .skeleton {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ol-font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ol-text-faint);
  background: radial-gradient(circle, #17151c 0%, #09080b 100%);
}
.porthole .rivets span {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--ol-gold-60);
  opacity: 0.7;
}

.capture-time {
  margin-top: var(--ol-space-3);
  font-family: var(--ol-font-mono);
  font-size: 0.95rem;
  color: var(--ol-text);
  text-align: center;
}
.capture-time .tz-note {
  display: block;
  font-family: var(--ol-font-ui);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ol-text-faint);
  margin-top: 0.25rem;
}

/* ---------- Filmstrip scrubber (signature element) ---------- */
.filmstrip-wrap {
  padding: var(--ol-space-3) 0;
}
.filmstrip-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--ol-space-2);
  margin-bottom: var(--ol-space-2);
}
.play-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: var(--ol-border-w) solid var(--ol-gold-40);
  background: var(--ol-bg-card);
  color: var(--ol-gold-100);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 200ms var(--ol-ease), background 200ms var(--ol-ease);
}
.play-btn:hover { border-color: var(--ol-gold-80); background: var(--ol-gold-20); }
.filmstrip-label {
  font-family: var(--ol-font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ol-text-faint);
}
.filmstrip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 4px var(--ol-space-1);
  scrollbar-width: thin;
}
.filmstrip::-webkit-scrollbar { height: 5px; }
.filmstrip::-webkit-scrollbar-thumb { background: var(--ol-hairline); border-radius: 3px; }
.frame-thumb {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 200ms var(--ol-ease), border-color 200ms var(--ol-ease), transform 200ms var(--ol-ease);
}
.frame-thumb img { width: 100%; height: 100%; object-fit: cover; }
.frame-thumb:hover { opacity: 0.85; transform: translateY(-2px); }
.frame-thumb.is-active { opacity: 1; border-color: var(--ol-gold-100); }

/* ---------- Date navigator ---------- */
.date-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--ol-space-2);
  padding: var(--ol-space-2) 0 var(--ol-space-4);
  flex-wrap: wrap;
}
.nav-btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: var(--ol-border-w) solid var(--ol-hairline);
  background: var(--ol-bg-card);
  color: var(--ol-text);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 200ms var(--ol-ease), opacity 200ms var(--ol-ease);
}
.nav-btn:hover:not(:disabled) { border-color: var(--ol-gold-60); }
.nav-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.date-input {
  font-family: var(--ol-font-mono);
  font-size: 0.9rem;
  background: var(--ol-bg-card);
  color: var(--ol-text);
  border: var(--ol-border-w) solid var(--ol-hairline);
  border-radius: var(--ol-radius);
  padding: 0.5rem 0.7rem;
}
.pill-btn {
  font-family: var(--ol-font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: transparent;
  border: var(--ol-border-w) solid var(--ol-gold-40);
  color: var(--ol-gold-100);
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  transition: background 200ms var(--ol-ease), border-color 200ms var(--ol-ease);
}
.pill-btn:hover { background: var(--ol-gold-20); border-color: var(--ol-gold-80); }

/* ---------- Ticket log ---------- */
.log-card {
  border: var(--ol-border-w) solid var(--ol-hairline);
  background: var(--ol-bg-card);
  border-radius: var(--ol-radius);
  padding: var(--ol-space-3);
  margin-bottom: var(--ol-space-5);
}
.log-card .log-title {
  font-family: var(--ol-font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ol-gold-100);
  border-bottom: var(--ol-border-w) solid var(--ol-hairline);
  padding-bottom: var(--ol-space-2);
  margin-bottom: var(--ol-space-2);
}
.log-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.55rem 0;
  border-bottom: var(--ol-border-w) dashed var(--ol-hairline);
  gap: var(--ol-space-2);
}
.log-row:last-child { border-bottom: none; }
.log-row .log-label {
  font-family: var(--ol-font-ui);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ol-text-faint);
  white-space: nowrap;
}
.log-row .log-value {
  font-family: var(--ol-font-mono);
  font-size: 0.85rem;
  color: var(--ol-text);
  text-align: right;
}
.log-row .log-value a { font-family: var(--ol-font-mono); }

/* ---------- Empty state ---------- */
.empty-state { text-align: center; padding: var(--ol-space-5) var(--ol-space-3); color: var(--ol-text-dim); }
.empty-state h3 { color: var(--ol-gold-100); margin-bottom: var(--ol-space-1); font-size: 1.3rem; }
.empty-state p { font-size: 1.05rem; margin-bottom: var(--ol-space-2); }

/* ---------- Footer ---------- */
.site-footer { border-top: var(--ol-border-w) solid var(--ol-hairline); padding: var(--ol-space-3) 0 var(--ol-space-5); position: relative; z-index: 1; }
.site-footer .shell { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--ol-space-2); font-family: var(--ol-font-ui); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ol-text-faint); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: var(--ol-space-3); left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 1000;
  background: var(--ol-bg-card);
  border: var(--ol-border-w) solid var(--ol-gold-40);
  color: var(--ol-text);
  font-family: var(--ol-font-ui);
  font-size: 0.82rem;
  padding: 0.8rem 1.4rem;
  border-radius: var(--ol-radius);
  box-shadow: var(--ol-shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms var(--ol-ease), transform 260ms var(--ol-ease);
  max-width: 90vw;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Focus & motion ---------- */
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--ol-gold-100); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

@media (max-width: 520px) {
  body { font-size: 16.5px; }
  .wordmark .mark { font-size: 1.25rem; }
}