:root {
  --maroon: #5a1226;
  --maroon-deep: #3a0b18;
  --gold: #c8a24a;
  --gold-soft: #e6cf92;
  --ivory: #fbf6ea;
  --ivory-2: #f3e9d4;
  --ink: #2a1720;
  --text: #f4e9d6;
  --muted: #d8c6a6;
}

* { box-sizing: border-box; }
/* The `hidden` attribute must always win over class-level `display` rules
   (.boot/.login/.lightbox use display:grid), else hidden overlays keep
   capturing clicks and freeze the page. */
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body {
  background:
    radial-gradient(1200px 700px at 50% -10%, rgba(200,162,74,.18), transparent 60%),
    linear-gradient(160deg, var(--maroon-deep), var(--maroon) 55%, #4a0f20);
  color: var(--text);
  font-family: "Mukta", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100%;
}
.amp { color: var(--gold); font-family: "Cormorant Garamond", serif; font-style: italic; }
.muted { color: var(--muted); font-size: 13px; }
.spinner { width: 34px; height: 34px; border-radius: 50%; border: 3px solid rgba(230,207,146,.25); border-top-color: var(--gold); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.boot { position: fixed; inset: 0; display: grid; place-items: center; }

/* ---------- Login ---------- */
.login { position: fixed; inset: 0; display: grid; place-items: center; padding: 20px; }
.login__card {
  width: min(92vw, 380px); text-align: center; padding: 40px 30px;
  background: linear-gradient(180deg, rgba(251,246,234,.06), rgba(251,246,234,.02));
  border: 1px solid rgba(200,162,74,.4); border-radius: 18px;
  backdrop-filter: blur(6px); box-shadow: 0 30px 80px rgba(0,0,0,.45);
}
.login__mono { font-size: 30px; color: var(--gold); }
.login__title { font-family: "Cormorant Garamond", serif; font-weight: 600; font-size: 34px; margin: 6px 0 2px; letter-spacing: .5px; }
.login__sub { color: var(--muted); margin: 0 0 22px; font-size: 14px; letter-spacing: 2px; text-transform: uppercase; }
.field { width: 100%; margin: 8px 0; padding: 12px 14px; border-radius: 10px; border: 1px solid rgba(200,162,74,.35); background: rgba(0,0,0,.25); color: var(--text); font-size: 15px; }
.field:focus { outline: none; border-color: var(--gold); }
.btn { width: 100%; margin-top: 14px; padding: 12px; border: 0; border-radius: 10px; cursor: pointer; font-weight: 600; letter-spacing: 1px; color: #2a0f18; background: linear-gradient(180deg, var(--gold-soft), var(--gold)); }
.btn:hover { filter: brightness(1.05); }
.login__err { color: #ffb4b4; min-height: 18px; margin-top: 12px; font-size: 13px; }

/* ---------- Top bar ---------- */
.top { display: flex; align-items: center; gap: 16px; padding: 16px 22px; border-bottom: 1px solid rgba(200,162,74,.25); }
.brand { display: flex; flex-direction: column; }
.brand__names { font-family: "Cormorant Garamond", serif; font-size: 24px; font-weight: 600; line-height: 1; }
.brand__sub { color: var(--muted); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; margin-top: 3px; }
.tabs { margin-left: auto; display: flex; gap: 6px; background: rgba(0,0,0,.22); padding: 4px; border-radius: 12px; border: 1px solid rgba(200,162,74,.22); }
.tab { border: 0; background: transparent; color: var(--muted); padding: 8px 18px; border-radius: 9px; cursor: pointer; font-family: "Marcellus", serif; letter-spacing: 1px; font-size: 14px; }
.tab.is-active { background: linear-gradient(180deg, var(--gold-soft), var(--gold)); color: #2a0f18; }
.ghost { border: 1px solid rgba(200,162,74,.35); background: transparent; color: var(--muted); padding: 8px 14px; border-radius: 9px; cursor: pointer; font-size: 13px; }
.ghost:hover { color: var(--text); border-color: var(--gold); }

.view { padding: 22px; }

/* ---------- Flip-book ---------- */
.stage { display: flex; align-items: center; justify-content: center; gap: 8px; }
.book {
  position: relative; width: min(92vw, 980px); aspect-ratio: 3 / 2;
  perspective: 2600px; margin: 6px auto;
  filter: drop-shadow(0 40px 60px rgba(0,0,0,.55));
}
/* the closed spine shadow down the middle */
.book::after { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-1px); background: rgba(0,0,0,.35); z-index: 999; pointer-events: none; }
.leaf {
  position: absolute; top: 0; left: 50%; width: 50%; height: 100%;
  transform-origin: left center; transform-style: preserve-3d;
  transition: transform .95s cubic-bezier(.2,.72,.18,1);
}
.leaf.flipped { transform: rotateY(-180deg); }
.page {
  position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  background: linear-gradient(150deg, var(--ivory), var(--ivory-2));
  overflow: hidden;
}
.page--front { border-radius: 0 8px 8px 0; box-shadow: inset 22px 0 34px -28px rgba(0,0,0,.5); }
.page--back { transform: rotateY(180deg); border-radius: 8px 0 0 8px; box-shadow: inset -22px 0 34px -28px rgba(0,0,0,.5); }
/* gold inner frame */
.page__inner { position: absolute; inset: 16px; border: 1px solid rgba(90,18,38,.18); }
.page__grid { position: absolute; inset: 26px; display: grid; gap: 8px; }
.tpl-1 { grid-template-columns: 1fr; grid-template-rows: 1fr; }
.tpl-2 { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
.tpl-3 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.tpl-3 .cell:first-child { grid-column: 1 / 3; }
.tpl-4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.cell { position: relative; overflow: hidden; border-radius: 3px; background: #e7dcc4; box-shadow: 0 2px 8px rgba(90,18,38,.18); }
.cell img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0; transition: opacity .4s ease; }
.cell img.is-loaded { opacity: 1; }
.cell::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.5), inset 0 0 0 3px rgba(200,162,74,.35); border-radius: 3px; pointer-events: none; }

/* Cover / title pages */
.cover { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; color: var(--maroon); background: linear-gradient(160deg, var(--ivory), #efe1c4); }
.cover__frame { position: absolute; inset: 18px; border: 2px solid var(--gold); }
.cover__frame::before { content: ""; position: absolute; inset: 8px; border: 1px solid rgba(90,18,38,.35); }
.cover__mono { font-size: 34px; color: var(--gold); }
.cover h2 { font-family: "Cormorant Garamond", serif; font-weight: 600; font-size: clamp(30px, 6vw, 58px); margin: 6px 20px; line-height: 1.05; color: var(--maroon); }
.cover p { font-family: "Marcellus", serif; letter-spacing: 3px; text-transform: uppercase; color: #8a5a2a; font-size: 13px; }
.cover__rule { width: 90px; height: 1px; background: var(--gold); margin: 14px auto; position: relative; }
.cover__rule::after { content: "✦"; position: absolute; top: -10px; left: 50%; transform: translateX(-50%); color: var(--gold); font-size: 12px; }

.turn { flex: 0 0 auto; width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(200,162,74,.4); background: rgba(0,0,0,.25); color: var(--gold-soft); font-size: 26px; cursor: pointer; }
.turn:hover { background: rgba(200,162,74,.2); color: #fff; }
.turn:disabled { opacity: .25; cursor: default; }
.pager { text-align: center; margin-top: 16px; color: var(--muted); font-size: 13px; }
.pager .hint { display: block; font-size: 11px; letter-spacing: 1px; opacity: .6; margin-top: 4px; }

/* ---------- Photos grid ---------- */
.ptoolbar { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.dl { margin-left: auto; text-decoration: none; color: #2a0f18; background: linear-gradient(180deg, var(--gold-soft), var(--gold)); padding: 10px 16px; border-radius: 10px; font-weight: 600; font-size: 14px; }
.dl:hover { filter: brightness(1.06); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.gcell { position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 8px; cursor: pointer; background: rgba(0,0,0,.2); border: 1px solid rgba(200,162,74,.18); }
.gcell img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .4s ease, transform .5s ease; }
.gcell img.is-loaded { opacity: 1; }
.gcell:hover img { transform: scale(1.06); }
.tag { position: absolute; left: 6px; bottom: 6px; font-size: 10px; letter-spacing: 1px; text-transform: uppercase; background: rgba(58,11,24,.75); color: var(--gold-soft); padding: 2px 7px; border-radius: 999px; }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 3000; background: rgba(20,5,10,.94); backdrop-filter: blur(8px); display: grid; place-items: center; }
.lb-img { max-width: 92vw; max-height: 84vh; object-fit: contain; border-radius: 8px; opacity: 0; transition: opacity .18s ease; box-shadow: 0 20px 60px rgba(0,0,0,.6); }
.lb-img.is-loaded { opacity: 1; }
.lb-spin { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(200,162,74,.4); background: rgba(0,0,0,.35); color: var(--gold-soft); font-size: 28px; cursor: pointer; }
.lb-prev { left: 18px; } .lb-next { right: 18px; }
.lb-close { position: absolute; top: 16px; right: 18px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(200,162,74,.4); background: rgba(0,0,0,.35); color: var(--gold-soft); font-size: 24px; cursor: pointer; }
.lb-dl { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); color: var(--gold-soft); text-decoration: none; border: 1px solid rgba(200,162,74,.4); padding: 8px 16px; border-radius: 10px; font-size: 13px; }
.lb-dl:hover { color: #fff; }

@media (max-width: 640px) {
  .top { flex-wrap: wrap; gap: 10px; padding: 12px 14px; }
  .brand__names { font-size: 20px; }
  .tabs { margin-left: 0; order: 3; width: 100%; justify-content: center; }
  .view { padding: 12px; }
  .turn { position: absolute; z-index: 1000; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,.4); }
  .turn--prev { left: 2px; } .turn--next { right: 2px; }
  .stage { position: relative; }
}