:root{
  --bg:#050506; --ink:#F3F1EA; --dim:#9A968C; --gold:#D6B45A;
  --panel:rgba(10,11,13,.72); --ctrl:rgba(255,255,255,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:#000;color:var(--ink);
  font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}
#app{position:fixed;inset:0;background:#000;cursor:default}
#app.hide-cursor{cursor:none}

/* ---------- Stage ---------- */
#stage{position:absolute;inset:0;overflow:hidden;background:#000}
.layer{position:absolute;inset:0;z-index:1;background-size:cover;background-position:center;
  background-repeat:no-repeat;opacity:0;transition:opacity 1.2s ease;will-change:opacity,transform}
.layer.show{opacity:1}
#clip{position:absolute;inset:0;z-index:2;width:100%;height:100%;object-fit:cover;opacity:0;
  transition:opacity 1.2s ease;background:#000}
#clip.show{opacity:1}
#vignette{position:absolute;inset:0;z-index:3;pointer-events:none;
  background:radial-gradient(120% 120% at 50% 45%,transparent 55%,rgba(0,0,0,.55) 100%)}

/* Ken Burns */
@keyframes kb-in{from{transform:scale(1.0) translate(0,0)}to{transform:scale(1.12) translate(-1.5%,-1%)}}
@keyframes kb-out{from{transform:scale(1.12) translate(1.5%,1%)}to{transform:scale(1.0) translate(0,0)}}
@keyframes kb-l{from{transform:scale(1.1) translate(2%,0)}to{transform:scale(1.14) translate(-2%,-.5%)}}
@keyframes kb-r{from{transform:scale(1.1) translate(-2%,0)}to{transform:scale(1.14) translate(2%,.5%)}}
.kb0{animation:kb-in var(--kb,60s) linear forwards}
.kb1{animation:kb-out var(--kb,60s) linear forwards}
.kb2{animation:kb-l var(--kb,60s) linear forwards}
.kb3{animation:kb-r var(--kb,60s) linear forwards}

/* ---------- Caption ---------- */
#caption{position:absolute;left:0;right:0;bottom:96px;text-align:center;padding:0 24px;
  transition:opacity .5s;text-shadow:0 2px 14px rgba(0,0,0,.9);pointer-events:none}
#caption.hidden{opacity:0}
#capScene{display:block;font-family:Georgia,serif;font-size:clamp(20px,3.4vw,34px);
  letter-spacing:.5px;color:#fff}
#capMeta{display:block;margin-top:6px;font-size:13px;letter-spacing:3px;text-transform:uppercase;color:var(--gold)}

/* ---------- HUD ---------- */
#hud{position:absolute;top:16px;left:16px;font-size:12px;letter-spacing:.5px;
  background:var(--panel);border:1px solid rgba(255,255,255,.12);border-radius:8px;
  padding:7px 11px;color:var(--dim);font-variant-numeric:tabular-nums;backdrop-filter:blur(6px)}
#hud .rev{color:#ffcf5a;font-weight:700}
#hud b{color:var(--ink)}

/* ---------- Cover ---------- */
#cover{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(120% 100% at 50% 30%,#12140f 0%,#050506 70%);z-index:40;
  transition:opacity .8s}
#cover.gone{opacity:0;pointer-events:none}
.cover-inner{text-align:center;padding:32px;max-width:760px}
.kicker{font-size:13px;letter-spacing:5px;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
#title{font-family:Georgia,serif;font-size:clamp(44px,9vw,92px);line-height:1;letter-spacing:1px}
.byline{margin-top:14px;font-size:15px;letter-spacing:4px;text-transform:uppercase;color:var(--dim)}
.cover-note{margin:26px auto 0;max-width:520px;font-family:Georgia,serif;font-size:clamp(16px,2.2vw,20px);
  line-height:1.6;color:#d7d4cb;font-style:italic}
.cover-buttons{margin-top:34px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cover-sub{margin-top:20px;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:#6f6b62}
.cover-badge{margin-top:30px;display:inline-block;font-size:11px;letter-spacing:2px;text-transform:uppercase;
  color:#b9863f;border:1px solid #6a4e22;border-radius:20px;padding:5px 14px;background:rgba(214,180,90,.06)}

/* ---------- Buttons ---------- */
.btn{font:inherit;cursor:pointer;border:none;border-radius:10px;padding:15px 30px;font-size:17px;
  font-weight:700;letter-spacing:.3px;transition:transform .12s,filter .12s}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--gold);color:#0a0b0d}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid rgba(255,255,255,.3)}
.btn.ghost:hover{background:rgba(255,255,255,.08)}

/* ---------- Controls ---------- */
#controls{position:absolute;left:0;right:0;bottom:0;z-index:30;display:flex;align-items:center;gap:10px;
  padding:16px 20px calc(16px + env(safe-area-inset-bottom));
  background:linear-gradient(0deg,rgba(0,0,0,.82),transparent);transition:opacity .4s,transform .4s}
#controls.hidden{opacity:0;transform:translateY(12px);pointer-events:none}
.ctrl{width:40px;height:40px;flex:0 0 auto;border:none;border-radius:9px;background:var(--ctrl);color:var(--ink);
  font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}
.ctrl:hover{background:rgba(255,255,255,.18)}
.time{font-size:13px;color:var(--dim);font-variant-numeric:tabular-nums;flex:0 0 auto;min-width:44px;text-align:center}
.seek{flex:1 1 auto;-webkit-appearance:none;appearance:none;height:5px;border-radius:4px;cursor:pointer;
  background:linear-gradient(90deg,var(--gold) 0%,var(--gold) var(--p,0%),rgba(255,255,255,.2) var(--p,0%))}
.seek::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 4px rgba(214,180,90,.25);cursor:pointer}
.seek::-moz-range-thumb{width:15px;height:15px;border:none;border-radius:50%;background:var(--gold)}
.vol-wrap{display:flex;align-items:center;gap:6px}
.vol{width:82px;-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;background:rgba(255,255,255,.25)}
.vol::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--ink)}
.speed{background:var(--ctrl);color:var(--ink);border:none;border-radius:9px;height:40px;padding:0 8px;font:inherit;font-size:13px;cursor:pointer}

/* ---------- Chapters drawer ---------- */
#chapters{position:absolute;top:0;right:0;bottom:0;width:min(340px,82vw);z-index:35;
  background:var(--panel);backdrop-filter:blur(12px);border-left:1px solid rgba(255,255,255,.1);
  transform:translateX(100%);transition:transform .35s;overflow-y:auto;padding:70px 0 20px}
#chapters.open{transform:none}
.chap{display:flex;justify-content:space-between;gap:10px;padding:13px 20px;cursor:pointer;
  border-left:3px solid transparent;transition:background .15s}
.chap:hover{background:rgba(255,255,255,.06)}
.chap.active{border-left-color:var(--gold);background:rgba(214,180,90,.1)}
.chap .cn{font-size:15px;color:var(--ink)}
.chap .ct{font-size:12px;color:var(--dim);font-variant-numeric:tabular-nums}
.chap .rev{color:#ffcf5a}

/* ---------- Loading ---------- */
#loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:45;
  background:rgba(0,0,0,.5);pointer-events:none}
.spinner{width:46px;height:46px;border:3px solid rgba(255,255,255,.2);border-top-color:var(--gold);
  border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.hidden{display:none !important}
@media (max-width:640px){
  #caption{bottom:84px}
  .speed,#hudBtn{display:none}
  .vol{width:56px}
  #controls{gap:7px;padding:12px 12px calc(12px + env(safe-area-inset-bottom))}
  .ctrl{width:36px;height:36px;font-size:15px}
}