/* PHYO AI Studio — PREMIUM theme: deep espresso + champagne gold */
:root{
  --bg:#100c08; --bg2:#181209; --card:#201812; --line:#3a2c1c;
  --gold:#f5c044; --gold-hi:#ffe9a8; --gold2:#dd7f2e; --gold-deep:#a86414;
  --cream:#faf3e6; --dim:#cbb488;
  --ok:#7bc96f; --bad:#e26d6d;
  --shadow-gold:0 6px 22px rgba(245,192,68,.28);
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent}
body{margin:0;color:var(--cream);min-height:100vh;
  background:
    radial-gradient(900px 480px at 50% -8%, rgba(245,192,68,.10), transparent 60%),
    radial-gradient(1200px 700px at 50% -10%, #2a1f10, var(--bg));
  font-family:-apple-system,"Segoe UI",Roboto,"Noto Sans Myanmar","Myanmar3",sans-serif}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:12px 16px;background:rgba(16,12,8,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(245,192,68,.55),transparent) 1}
.brand{display:flex;gap:11px;align-items:center}
.brand-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  font-weight:900;font-size:23px;color:#241503;
  background:linear-gradient(160deg,var(--gold-hi),var(--gold) 45%,var(--gold2));
  box-shadow:inset 0 1px 2px rgba(255,255,255,.65), 0 4px 16px rgba(245,192,68,.4)}
.brand b{font-size:17px;display:block;letter-spacing:.3px;
  background:linear-gradient(120deg,var(--gold-hi),var(--gold) 60%,var(--gold2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.brand small{color:var(--dim);font-size:11px;letter-spacing:1.5px;text-transform:uppercase}
.credit-pill{font-size:12px;font-weight:700;color:var(--gold);border:1px solid rgba(245,192,68,.4);
  border-radius:999px;padding:7px 14px;background:linear-gradient(180deg,rgba(245,192,68,.12),rgba(245,192,68,.04));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}

/* ---------- room nav ---------- */
.roomnav{position:sticky;top:66px;z-index:19;display:flex;gap:8px;overflow-x:auto;padding:12px 14px;
  background:rgba(16,12,8,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  scrollbar-width:thin;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}
.roomnav::-webkit-scrollbar{height:4px}
.roomnav::-webkit-scrollbar-thumb{background:var(--gold);border-radius:2px}
.roomnav button{flex:0 0 auto;border:1px solid var(--line);
  background:linear-gradient(180deg,#241a10,#1a130b);color:var(--cream);
  border-radius:999px;padding:9px 16px;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);transition:all .18s}
.roomnav button.on{background:linear-gradient(160deg,var(--gold-hi),var(--gold) 50%,var(--gold2));
  color:#241503;border:1px solid var(--gold-hi);font-weight:800;
  box-shadow:inset 0 1px 2px rgba(255,255,255,.6), 0 4px 14px rgba(245,192,68,.4)}
.roomnav button:active{transform:scale(.96)}

main{max-width:720px;margin:0 auto;padding:18px 15px 96px}
.room{display:none}.room.on{display:block;animation:fade .28s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

h1{font-size:27px;margin:8px 0;letter-spacing:.3px}
h1 em{font-style:normal;background:linear-gradient(120deg,var(--gold-hi),var(--gold) 60%,var(--gold2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
h2{font-size:20px;margin:6px 0 8px;letter-spacing:.2px}
h3{font-size:15px;margin:16px 0 8px;color:var(--gold);letter-spacing:.4px;text-transform:uppercase;font-size:13px}
h3 small{color:var(--dim);text-transform:none;letter-spacing:0}

.hero{background:linear-gradient(150deg,#33260f,#1c1408 70%);
  border:1px solid rgba(245,192,68,.35);border-radius:20px;padding:22px;margin-bottom:16px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07), 0 10px 30px rgba(0,0,0,.4);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(500px 200px at 80% -20%, rgba(245,192,68,.18), transparent 60%)}
.hero p{color:var(--dim);font-size:14px;position:relative}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}

.card,.tile{background:linear-gradient(165deg,#262015,#1c150c);
  border:1px solid var(--line);border-radius:18px;padding:16px;margin-bottom:12px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06), 0 6px 18px rgba(0,0,0,.35)}
.tile{cursor:pointer;text-align:left;color:var(--cream);font-size:14px;transition:all .18s;width:100%}
.tile b{display:block;font-size:15px;margin-bottom:4px;letter-spacing:.2px}
.tile small{color:var(--dim)}
.tile:hover{border-color:rgba(245,192,68,.6);transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08), 0 10px 24px rgba(0,0,0,.45), 0 0 18px rgba(245,192,68,.12)}
.tile:active{transform:scale(.98)}

.note{font-size:13px;color:var(--dim);background:linear-gradient(180deg,rgba(245,192,68,.06),transparent);
  border:1px dashed rgba(245,192,68,.4);border-radius:14px;padding:12px;margin-top:14px;line-height:1.6}
.hint{color:var(--dim);font-size:13px;margin:4px 0 12px;line-height:1.6}
.hint .cost, .cost{color:var(--gold);font-weight:700}

.slots{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.slot{border:1.5px dashed rgba(245,192,68,.45);border-radius:16px;min-height:124px;display:grid;place-items:center;
  cursor:pointer;text-align:center;font-size:14px;color:var(--dim);overflow:hidden;position:relative;
  background:linear-gradient(180deg,rgba(245,192,68,.05),transparent);transition:all .18s}
.slot.big{min-height:156px;margin-bottom:12px}
.slot:active{transform:scale(.98);border-color:var(--gold)}
.slot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slot input{display:none}
.slot span{padding:12px}

.presets{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.presets button{font-size:12px;border:1px solid var(--line);background:var(--bg2);color:var(--cream);
  border-radius:999px;padding:7px 13px;cursor:pointer;transition:all .15s}
.presets button:active{transform:scale(.95);border-color:var(--gold)}

textarea,input[type=text],input[type=password],select{width:100%;background:#140f08;
  border:1px solid var(--line);color:var(--cream);border-radius:14px;padding:13px;font-size:15px;
  font-family:inherit;margin-bottom:10px;box-shadow:inset 0 2px 6px rgba(0,0,0,.4);transition:border .15s}
textarea:focus,input:focus,select:focus{outline:none;border-color:var(--gold);box-shadow:inset 0 2px 6px rgba(0,0,0,.4), 0 0 0 3px rgba(245,192,68,.15)}

/* ---------- PREMIUM buttons ---------- */
button.go{width:100%;border:1px solid var(--gold-hi);border-radius:16px;padding:15px;font-size:16px;
  font-weight:800;letter-spacing:.5px;cursor:pointer;color:#241503;margin-bottom:10px;
  background:linear-gradient(180deg,var(--gold-hi) 0%,var(--gold) 45%,var(--gold2) 100%);
  box-shadow:inset 0 1px 2px rgba(255,255,255,.7), inset 0 -2px 4px rgba(120,60,0,.25), var(--shadow-gold);
  text-shadow:0 1px 0 rgba(255,255,255,.35);transition:all .15s}
button.go:hover{filter:brightness(1.06)}
button.go:active{transform:translateY(2px) scale(.99);
  box-shadow:inset 0 2px 6px rgba(120,60,0,.35), 0 2px 8px rgba(245,192,68,.25)}
button.go:disabled{opacity:.45;filter:grayscale(.4)}

button.dl{border:1px solid var(--gold-hi);border-radius:13px;padding:11px 20px;font-weight:800;font-size:14px;
  cursor:pointer;color:#241503;letter-spacing:.3px;
  background:linear-gradient(180deg,var(--gold-hi),var(--gold) 50%,var(--gold2));
  box-shadow:inset 0 1px 2px rgba(255,255,255,.7), 0 4px 14px rgba(245,192,68,.3);transition:all .15s}
button.dl:active{transform:translateY(1px)}

button.ghost{background:linear-gradient(180deg,rgba(245,192,68,.08),transparent);
  border:1px solid rgba(245,192,68,.45);color:var(--gold);border-radius:14px;padding:13px 18px;
  font-size:14px;font-weight:700;cursor:pointer;letter-spacing:.3px;transition:all .15s;flex:1}
button.ghost:active{transform:scale(.97);background:rgba(245,192,68,.15)}
.row{display:flex;gap:10px;margin-top:10px}
.row .go{flex:2;margin-bottom:0}

.progress{margin:12px 0}.progress .bar{height:10px;background:#0d0905;border-radius:99px;overflow:hidden;
  border:1px solid var(--line);box-shadow:inset 0 2px 4px rgba(0,0,0,.5)}
.progress .bar i{display:block;height:100%;width:30%;border-radius:99px;
  background:linear-gradient(90deg,var(--gold2),var(--gold),var(--gold-hi));
  box-shadow:0 0 12px rgba(245,192,68,.6);animation:slide 1.2s infinite}
@keyframes slide{0%{margin-left:-30%}100%{margin-left:100%}}
.progress span{font-size:12px;color:var(--dim)}

.result img,.ba-imgs img{width:100%;border-radius:16px;border:1px solid rgba(245,192,68,.35);display:block;
  box-shadow:0 10px 30px rgba(0,0,0,.5)}
.result{animation:fade .4s}
.result video{width:100%;border-radius:16px;border:1px solid rgba(245,192,68,.35)}
.ba{position:relative;margin-top:10px}
.ba-imgs{position:relative}
.ba-imgs img:last-child{position:absolute;inset:0;clip-path:inset(0 0 0 50%)}
.ba input[type=range]{width:100%;margin:8px 0;accent-color:var(--gold)}

.list{display:grid;gap:10px}
.gitem{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:0 6px 18px rgba(0,0,0,.4)}
.gitem img{width:100%;display:block;aspect-ratio:1;object-fit:cover}
.gitem .x{position:absolute;top:8px;right:8px;background:rgba(0,0,0,.65);border:1px solid rgba(255,255,255,.25);
  color:#fff;border-radius:50%;width:30px;height:30px;cursor:pointer;backdrop-filter:blur(4px)}
.gitem .cap{font-size:11px;color:var(--dim);padding:8px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);
  background:linear-gradient(180deg,#2a2013,#1a130a);border:1px solid rgba(245,192,68,.55);
  color:var(--cream);padding:13px 22px;border-radius:14px;z-index:99;font-size:14px;max-width:90vw;text-align:center;
  box-shadow:0 10px 30px rgba(0,0,0,.6), 0 0 20px rgba(245,192,68,.15);animation:fade .25s}
@media(min-width:760px){.grid{grid-template-columns:1fr 1fr 1fr}}

/* ---------- visual look library ---------- */
.cats{display:flex;gap:8px;margin-bottom:12px;overflow-x:auto;scrollbar-width:thin;padding:2px 2px 6px;
  scroll-behavior:smooth;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}
.cats::-webkit-scrollbar{height:4px}
.cats::-webkit-scrollbar-thumb{background:var(--gold);border-radius:2px}
.cats button{flex:0 0 auto;border:1px solid var(--line);white-space:nowrap}
  background:linear-gradient(180deg,#241a10,#181108);color:var(--cream);
  border-radius:999px;padding:9px 17px;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);transition:all .16s}
.cats button.on{background:linear-gradient(160deg,var(--gold-hi),var(--gold) 55%,var(--gold2));
  color:#241503;border:1px solid var(--gold-hi);font-weight:800;
  box-shadow:inset 0 1px 2px rgba(255,255,255,.6), 0 3px 12px rgba(245,192,68,.4)}
.cats button:active{transform:scale(.94)}

.lookgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.look{position:relative;border-radius:16px;overflow:hidden;border:1.5px solid var(--line);background:var(--card);
  cursor:pointer;padding:0;text-align:left;color:var(--cream);transition:all .18s;
  box-shadow:0 6px 16px rgba(0,0,0,.4)}
.look img{width:100%;display:block;aspect-ratio:3/4;object-fit:cover}
.look b{position:absolute;left:0;right:0;bottom:0;font-size:12px;font-weight:700;padding:20px 10px 9px;
  background:linear-gradient(transparent,rgba(0,0,0,.88));display:block;letter-spacing:.2px}
.look:active{transform:scale(.97)}
.look.sel{border-color:var(--gold);
  box-shadow:0 0 0 2px var(--gold), 0 0 22px rgba(245,192,68,.45)}
.applybox{background:linear-gradient(165deg,#2a2113,#1b1409);
  border:1px solid rgba(245,192,68,.55);border-radius:18px;padding:16px;margin-top:14px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07), 0 10px 28px rgba(0,0,0,.45)}
.applybox .lookprev{width:100%;border-radius:14px;border:1px solid var(--line);margin-bottom:10px}

/* ---------- prompt history ---------- */
.hist{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 10px}
.hist button{font-size:12px;border:1px solid var(--line);background:var(--bg2);color:var(--dim);
  border-radius:999px;padding:7px 12px;cursor:pointer;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hist button:active{color:var(--cream);border-color:var(--gold)}
.histwrap{margin-bottom:4px}
.histhead{font-size:12px;color:var(--dim);margin:2px 0 6px;display:flex;justify-content:space-between;align-items:center}
.histhead button{background:none;border:none;color:var(--dim);font-size:12px;cursor:pointer}

/* ---------- activation modal ---------- */
#actModal{position:fixed;inset:0;background:rgba(0,0,0,.8);z-index:99;display:flex;
  align-items:center;justify-content:center;padding:24px;backdrop-filter:blur(6px)}
#actModal[hidden]{display:none}
.lockbox{width:100%;max-width:350px;text-align:center;border:1px solid rgba(245,192,68,.6);
  border-radius:22px;padding:32px 24px;position:relative;
  background:linear-gradient(165deg,#2b2113,#171006);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08), 0 20px 60px rgba(0,0,0,.7), 0 0 40px rgba(245,192,68,.12);
  animation:fade .3s}
.lockbox h2{margin:0 0 8px;font-size:22px;
  background:linear-gradient(120deg,var(--gold-hi),var(--gold) 60%,var(--gold2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.lockbox p{color:var(--dim);font-size:13px;line-height:1.6}
.lockbox input{width:100%;margin:14px 0;text-align:center;letter-spacing:2px;font-weight:700}