:root{
  --ink:#1c1915; --ink-2:#4a443c; --muted:#8a8278; --line:#e6e0d7;
  --paper:#faf8f4; --paper-2:#f2eee7; --accent:#9a7350; --accent-2:#c5a17d;
  --glass:rgba(250,248,244,.86); --radius:14px;
  --shadow:0 10px 40px rgba(28,25,21,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden;background:#1c1915;color:var(--ink);font-family:Montserrat,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
#view{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:none}
#view.grab{cursor:grab} #view.hover{cursor:pointer}
.eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:600}

/* intro */
.intro{position:fixed;inset:0;z-index:30;display:flex;align-items:flex-end;color:#fff;transition:opacity .7s ease,visibility .7s}
.intro.gone{opacity:0;visibility:hidden}
.intro-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.04);animation:kb 22s ease-out forwards}
@keyframes kb{to{transform:scale(1.12)}}
.intro-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,17,14,.15) 0%,rgba(20,17,14,.35) 45%,rgba(20,17,14,.88) 100%)}
.intro-content{position:relative;padding:clamp(24px,6vw,72px);max-width:640px}
.intro-logo{width:120px;margin-bottom:28px;opacity:.95}
.intro .eyebrow{color:#e9d9c6}
.intro h1{font-family:"Cormorant Garamond",serif;font-weight:500;font-size:clamp(48px,9vw,96px);line-height:.95;margin:10px 0 18px;letter-spacing:-.01em}
.intro h1 em{color:var(--accent-2)}
.lede{font-size:15px;line-height:1.65;color:#eee6dc;max-width:460px;margin-bottom:28px}
.btn-primary{position:relative;display:inline-flex;flex-direction:column;align-items:flex-start;gap:8px;background:#fff;color:var(--ink);padding:16px 26px;border-radius:999px;font-weight:600;font-size:14px;letter-spacing:.04em;min-width:220px;transition:transform .2s,background .2s}
.btn-primary:not([disabled]):hover{transform:translateY(-2px);background:#f3ebe1}
.btn-primary[disabled]{cursor:progress}
.progress{display:block;width:100%;height:2px;background:#e6ddd2;border-radius:2px;overflow:hidden}
.progress span{display:block;height:100%;width:0;background:var(--accent);transition:width .25s}
.btn-primary.ready .progress{display:none}
.hints{list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;font-size:12px;color:#d8cbbb}
.hints b{color:#fff;font-weight:600}

/* HUD */
.hud-top{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:calc(14px + env(safe-area-inset-top)) 18px 14px;pointer-events:none}
.hud-top>*{pointer-events:auto}
.brand{display:flex;align-items:center;background:rgba(28,25,21,.72);backdrop-filter:blur(10px);padding:9px 14px;border-radius:12px}
.brand img{height:26px;display:block}
.room-title{position:absolute;left:50%;transform:translateX(-50%);background:var(--glass);backdrop-filter:blur(10px);padding:9px 18px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.06em;box-shadow:0 2px 14px rgba(0,0,0,.08)}
.top-actions{display:flex;gap:8px}
.icon-btn{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--glass);backdrop-filter:blur(10px);box-shadow:0 2px 14px rgba(0,0,0,.08);transition:background .2s,transform .15s}
.icon-btn:hover{background:#fff;transform:translateY(-1px)}
.icon-btn svg{width:20px;height:20px}
.icon-btn.ghost{background:transparent;box-shadow:none;backdrop-filter:none}
.icon-btn.ghost:hover{background:var(--paper-2)}

.views{position:fixed;left:50%;bottom:calc(18px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:10;display:flex;gap:6px;padding:6px;background:var(--glass);backdrop-filter:blur(12px);border-radius:999px;box-shadow:var(--shadow);transition:transform .35s ease,opacity .3s}
.views button{min-width:40px;height:40px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;color:var(--ink-2);transition:background .2s,color .2s}
.views button:hover{background:var(--paper-2)}
.views button.on{background:var(--ink);color:#fff}
#views .deg{display:flex;align-items:center;padding:0 10px;font-size:11px;letter-spacing:.16em;font-weight:700;color:var(--ink-2)}
#views button{font-size:22px;line-height:1;padding:0 12px}
.views .lbl{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:0 8px 0 12px;display:flex;align-items:center}

.tip{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:9;background:rgba(28,25,21,.8);color:#fff;font-size:12.5px;padding:10px 16px;border-radius:999px;backdrop-filter:blur(8px);white-space:nowrap;transition:opacity .5s;pointer-events:none}
.tip.hide{opacity:0}

/* panel */
.panel{position:fixed;z-index:20;top:76px;right:16px;bottom:16px;width:380px;background:var(--paper);border-radius:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;transform:translateX(calc(100% + 30px));transition:transform .45s cubic-bezier(.2,.8,.2,1);overflow:hidden}
.panel.open{transform:none}
.panel-grip{display:none}
.panel-head{display:flex;justify-content:space-between;align-items:flex-start;padding:20px 20px 12px}
.panel-head h2{font-family:"Cormorant Garamond",serif;font-weight:500;font-size:30px;line-height:1.05;margin-top:4px}
.current{display:grid;grid-template-columns:48px 1fr;gap:4px 12px;align-items:center;margin:0 20px 14px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.current .sw{width:48px;height:48px;border-radius:10px;background:#ddd center/cover;grid-row:span 1;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06)}
.current b{display:block;font-size:14px}
.current div span{font-size:12px;color:var(--muted)}
.current .all{grid-column:1/-1;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-2);padding-top:8px;margin-top:4px;border-top:1px solid var(--line);cursor:pointer}
.current .all input{accent-color:var(--accent);width:15px;height:15px}
.suppliers{display:flex;gap:6px;padding:0 20px;margin-bottom:10px}
.suppliers button{flex:1;padding:10px;border-radius:10px;font-size:12px;font-weight:700;letter-spacing:.12em;background:var(--paper-2);color:var(--ink-2);transition:all .2s}
.suppliers button.on{background:var(--ink);color:#fff}
.collections{display:flex;gap:6px;padding:0 20px 10px;overflow-x:auto;scrollbar-width:none}
.collections::-webkit-scrollbar{display:none}
.collections button{white-space:nowrap;padding:7px 12px;border-radius:999px;font-size:12px;border:1px solid var(--line);color:var(--ink-2);background:#fff;transition:all .2s}
.collections button.on{border-color:var(--accent);color:var(--accent);background:#fbf5ef;font-weight:600}
.search{padding:0 20px 12px}
.search input{width:100%;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:#fff;font:inherit;font-size:13px;outline:none}
.search input:focus{border-color:var(--accent-2)}
.grid{flex:1;overflow-y:auto;padding:4px 20px 24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:12px 10px;align-content:start}
.fin{display:flex;flex-direction:column;gap:6px;text-align:left}
.fin .sw{aspect-ratio:1;border-radius:12px;background:#e8e2d9 center/cover;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);transition:transform .15s,box-shadow .15s;position:relative}
.fin:hover .sw{transform:translateY(-2px);box-shadow:0 6px 14px rgba(0,0,0,.12)}
.fin.on .sw{box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--accent)}
.fin.gloss .sw::after{content:"";position:absolute;inset:0;border-radius:12px;background:linear-gradient(135deg,rgba(255,255,255,.45),transparent 45%)}
.fin span{font-size:11px;font-weight:600;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.empty{grid-column:1/-1;color:var(--muted);font-size:13px;padding:20px 0}

.toast{position:fixed;left:50%;top:84px;transform:translate(-50%,-10px);z-index:40;background:var(--ink);color:#fff;font-size:13px;padding:10px 16px;border-radius:999px;opacity:0;transition:all .3s;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

body.panel-open .views{opacity:0;pointer-events:none}
@media (min-width:821px){ body.panel-open .views{opacity:1;pointer-events:auto;transform:translateX(calc(-50% - 200px))} }

@media (max-width:820px){
  .room-title:not(.modes){display:none}
  .brand img{height:22px}
  .panel{top:auto;left:0;right:0;bottom:0;width:auto;height:min(62vh,560px);border-radius:22px 22px 0 0;transform:translateY(105%);padding-bottom:env(safe-area-inset-bottom)}
  .panel.open{transform:none}
  .panel-grip{display:block;width:40px;height:4px;border-radius:4px;background:var(--line);margin:10px auto 0}
  .panel-head{padding:10px 18px 8px}
  .panel-head h2{font-size:26px}
  .current,.suppliers,.collections,.search{margin-left:0;margin-right:0;padding-left:16px;padding-right:16px}
  .current{margin:0 16px 10px}
  .grid{padding:4px 16px 20px;grid-template-columns:repeat(auto-fill,minmax(64px,1fr))}
  #views .deg{display:flex;align-items:center;padding:0 10px;font-size:11px;letter-spacing:.16em;font-weight:700;color:var(--ink-2)}
#views button{font-size:22px;line-height:1;padding:0 12px}
.views .lbl{display:none}
  .tip{font-size:12px;white-space:normal;text-align:center;width:max-content;max-width:calc(100vw - 32px)}
}

/* modes */
.modes{display:flex;gap:2px;padding:4px!important}
.modes button{padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.03em;color:var(--ink-2)}
.modes button.on{background:var(--ink);color:#fff}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;margin-left:10px;padding:16px 22px;border-radius:999px;border:1px solid rgba(255,255,255,.55);color:#fff;font-weight:600;font-size:14px;letter-spacing:.03em;transition:background .2s}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-ghost small{font-size:11px;opacity:.7;font-weight:500}
.studio-bar button{font-size:12.5px!important;padding:0 14px!important}
.studio-bar button.on{background:var(--ink);color:#fff}

/* upload */
.upload{position:fixed;inset:0;z-index:35;display:grid;place-items:center;background:rgba(20,17,14,.55);backdrop-filter:blur(6px);padding:16px}
.upload[hidden]{display:none}
.upload-card{position:relative;width:min(560px,100%);background:var(--paper);border-radius:22px;box-shadow:var(--shadow);padding:30px}
.up-close{position:absolute;top:14px;right:14px}
.upload-card h2{font-family:"Cormorant Garamond",serif;font-weight:500;font-size:34px;line-height:1.05;margin:6px 0 20px}
.drop{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:34px 20px;border:1.5px dashed #cfc5b8;border-radius:16px;background:#fff;cursor:pointer;transition:all .2s}
.drop:hover,.drop.over{border-color:var(--accent);background:#fbf5ef}
.drop svg{width:34px;height:34px;color:var(--accent)}
.drop b{font-size:15px}
.drop span{font-size:12px;color:var(--muted);max-width:320px;line-height:1.5}
.link-btn{display:block;margin:14px auto 4px;font-size:13px;font-weight:600;color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.up-notes{list-style:none;margin-top:16px;display:grid;gap:8px;font-size:12.5px;color:var(--ink-2);line-height:1.5}
.up-notes li{padding-left:18px;position:relative}
.up-notes li::before{content:"";position:absolute;left:2px;top:7px;width:6px;height:6px;border-radius:2px;background:var(--accent-2)}
.stages{display:grid;gap:12px;margin:6px 0 18px}
.stage{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.stage i{width:18px;height:18px;border-radius:50%;border:2px solid #d8cfc3;flex:none}
.stage.active{color:var(--ink);font-weight:600}
.stage.active i{border-color:var(--accent);border-top-color:transparent;animation:spin 1s linear infinite}
.stage.done{color:var(--ink-2)}
.stage.done i{background:var(--accent);border-color:var(--accent)}
@keyframes spin{to{transform:rotate(360deg)}}
.up-status{font-size:13px;color:var(--ink-2);background:var(--paper-2);padding:10px 14px;border-radius:10px}
.up-sub{font-size:12px;color:var(--muted);margin:12px 0}
.btn-dark{padding:12px 20px;border-radius:999px;background:var(--ink);color:#fff;font-weight:600;font-size:13px}
.up-error{margin-top:14px;color:#9b2c1f;background:#fbeae7;padding:10px 14px;border-radius:10px;font-size:13px}
.badge-preview{position:fixed;top:76px;left:50%;transform:translateX(-50%);z-index:11;background:rgba(28,25,21,.82);color:#fff;font-size:12px;padding:8px 14px;border-radius:999px;display:flex;gap:10px;align-items:center}
.badge-preview i{width:12px;height:12px;border-radius:50%;border:2px solid #fff;border-top-color:transparent;animation:spin 1s linear infinite}
@media (max-width:820px){
  .modes{display:flex!important;position:fixed;left:50%;transform:translateX(-50%);top:calc(64px + env(safe-area-inset-top))}
  .btn-ghost{margin:12px 0 0}
  .upload-card{padding:24px 20px}
}