:root{
  --c:#7a1f1c;            /* color de marca (se sobrescribe desde ajustes) */
  --c-fg:#fff;
  --pie-h:64px;
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:#000;color:#fff;overflow:hidden;overscroll-behavior:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
[hidden]{display:none!important}

/* #app crea el contexto para los fixed: en escritorio se ve como una columna 9:16 centrada */
#app{position:relative;height:100dvh;width:100%;margin:0 auto;overflow:hidden;background:#000;transform:translateZ(0)}
@media (min-width:700px) and (orientation:landscape){
  #app{width:calc(100dvh*9/16);box-shadow:0 0 0 1px #1c1c1c}
}

#boot{position:absolute;inset:0;background:#000;display:grid;place-items:center;z-index:100;transition:opacity .3s}
#boot.gone{opacity:0;pointer-events:none}
.spinner{width:28px;height:28px;border:3px solid #333;border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ───────── Portada ───────── */
#landing{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;background:var(--c);padding:calc(var(--safe-t) + 28px) 0 calc(var(--safe-b) + 20px)}
#landing .brand{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:6vh;padding:0 24px;text-align:center}
#landing .brand img{width:96px;height:96px;object-fit:cover;border-radius:18px}
#landing .brand h1{margin:0;font-size:26px;letter-spacing:.2px}
#landing .brand p{margin:0;opacity:.8;font-size:14px}
#cards{flex:1;display:flex;align-items:center;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;width:100%;padding:0 calc(50% - 90px);scrollbar-width:none}
#cards::-webkit-scrollbar{display:none}
.card{flex:0 0 180px;scroll-snap-align:center;border:1.5px solid rgba(255,255,255,.85);border-radius:14px;overflow:hidden;background:rgba(0,0,0,.25);text-align:center;transition:transform .25s}
.card:active{transform:scale(.97)}
.card .cover{height:250px;background:#222 center/cover no-repeat}
.card .t{padding:10px 8px;font-weight:600;font-size:14px;background:rgba(0,0,0,.35)}
#dots{display:flex;gap:8px;margin-bottom:18px}
#dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.4);transition:.2s}
#dots i.on{background:#fff}
#landing .ig{opacity:.9;display:flex;align-items:center;gap:6px;font-size:13px;color:#fff;text-decoration:none}

/* ───────── Feed ───────── */
#feed-view{position:absolute;inset:0}
#feed{position:absolute;inset:0;overflow-y:auto;scroll-snap-type:y mandatory;overscroll-behavior:contain;touch-action:pan-y;scrollbar-width:none;outline:none}
#feed::-webkit-scrollbar{display:none}
.slide{position:relative;height:100dvh;scroll-snap-align:start;scroll-snap-stop:always;background:#000;overflow:hidden}
.slide video,.slide img,.slide .ph{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
.slide .ph{display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,var(--c),#000 75%);font-size:20px;opacity:.9;padding:40px;text-align:center}
.slide::after{content:"";position:absolute;inset:auto 0 0 0;height:55%;background:linear-gradient(to top,rgba(0,0,0,.85),rgba(0,0,0,.45) 50%,transparent);pointer-events:none}
.slide::before{content:"";position:absolute;inset:0 0 auto 0;height:140px;background:linear-gradient(to bottom,rgba(0,0,0,.55),transparent);z-index:1;pointer-events:none}

.top{position:absolute;z-index:20;top:0;left:0;right:0;display:flex;align-items:center;gap:10px;padding:calc(var(--safe-t) + 12px) 12px 8px}
.icon-btn{flex:none;width:40px;height:40px;border-radius:50%;background:rgba(0,0,0,.45);backdrop-filter:blur(6px);display:grid;place-items:center}
#pills{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px;mask-image:linear-gradient(to right,#000 92%,transparent)}
#pills::-webkit-scrollbar{display:none}
#pills button{flex:none;white-space:nowrap;border:2px solid rgba(255,255,255,.55);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:600;background:rgba(0,0,0,.35);backdrop-filter:blur(6px);transition:.2s}
#pills button[aria-current=true]{background:var(--c);border-color:#fff}

/* indicador de posición (cada punto = un producto) */
#rail{position:absolute;z-index:15;right:8px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;pointer-events:none}
#rail i{width:4px;height:4px;border-radius:2px;background:rgba(255,255,255,.4);transition:.25s}
#rail i.on{height:18px;background:#fff}

/* PIE DINÁMICO: cambia cuando el scroll muestra el siguiente producto */
#caption{position:absolute;z-index:18;left:0;right:0;bottom:calc(var(--pie-h) + var(--safe-b));padding:0 18px 12px;transition:opacity .18s,transform .18s}
#caption.out{opacity:0;transform:translateY(10px)}
#caption .badge{display:inline-block;margin-bottom:6px;padding:2px 9px;border-radius:999px;background:var(--c);border:1px solid rgba(255,255,255,.7);font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase}
#caption h2{margin:0 0 4px;font-size:24px;line-height:1.15;font-weight:700;text-shadow:0 1px 8px rgba(0,0,0,.6)}
#caption.menu h2{text-transform:uppercase}
#caption .desc{margin:0 0 6px;font-size:14px;line-height:1.35;opacity:.95;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
#caption .price{font-weight:700;font-size:14px}
#caption .row{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
#caption .more{display:flex;align-items:center;gap:8px;padding:8px 10px 8px 0;font-weight:600;font-size:14px}
#caption .add{width:44px;height:44px;border-radius:50%;border:2px solid rgba(255,255,255,.8);background:var(--c);display:grid;place-items:center;box-shadow:0 2px 10px rgba(0,0,0,.4);transition:transform .15s}
#caption .add:active{transform:scale(.9)}
#prog{height:2px;background:rgba(255,255,255,.25);margin:10px 0 0;border-radius:2px;overflow:hidden}
#prog b{display:block;height:100%;width:0;background:#fff}

/* Barra inferior */
.pie{position:absolute;z-index:30;left:0;right:0;bottom:0;height:calc(var(--pie-h) + var(--safe-b));padding-bottom:var(--safe-b);display:flex;background:var(--c)}
.pie button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:12px;position:relative;opacity:.85;min-width:0}
.pie button[aria-current=page]{opacity:1}
.pie button[aria-current=page]::before{content:"";position:absolute;top:0;width:28px;height:3px;background:#fff;border-radius:0 0 3px 3px}
.pie .cnt{position:absolute;top:6px;left:calc(50% + 6px);min-width:18px;height:18px;border-radius:9px;background:#fff;color:var(--c);font-size:11px;font-weight:700;display:grid;place-items:center;padding:0 4px}

/* ───────── Hojas (sheets) ───────── */
#sheet-root .backdrop{position:absolute;inset:0;z-index:50;background:rgba(0,0,0,.55);opacity:0;transition:opacity .25s}
#sheet-root .backdrop.in{opacity:1}
#sheet-root .sheet{position:absolute;z-index:51;left:0;right:0;bottom:0;max-height:88%;display:flex;flex-direction:column;background:#fff;color:#1d1d22;border-radius:18px 18px 0 0;transform:translateY(100%);transition:transform .28s cubic-bezier(.2,.8,.2,1)}
#sheet-root .sheet.in{transform:none}
.sheet header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #e8e8ee;font-weight:700}
.sheet header button{width:32px;height:32px;display:grid;place-items:center}
.sheet .body{overflow-y:auto;padding:4px 20px calc(24px + var(--safe-b));overscroll-behavior:contain}
.sheet h3.cat{margin:16px 0 4px;color:var(--c);font-size:15px}
.row-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid #ececf1;cursor:pointer}
.row-item .th{flex:none;width:72px;height:72px;border-radius:10px;background:#ddd center/cover no-repeat}
.row-item .tx{flex:1;min-width:0}
.row-item .nm{font-weight:700;font-size:16px}
.row-item .ds{font-size:13px;color:#555;margin:2px 0 6px}
.row-item .pr{display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:14px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;background:var(--c);color:#fff;font-weight:700;font-size:13px}
.btn.ghost{background:#eee;color:#222}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;background:#f0e9f3;color:#4a2257;font-size:13px;font-weight:600;border:1.5px solid transparent}
button.chip[aria-pressed=true]{background:var(--c);color:#fff}
.info-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;margin-top:14px;background:#ddd}
.info h2{margin:14px 0 4px;font-size:22px}
.info p{line-height:1.5;color:#444}
.courses{list-style:none;padding:0;margin:8px 0}
.courses li{padding:10px 0;border-bottom:1px solid #ececf1}
.courses b{display:block;color:var(--c)}
.qty{display:flex;align-items:center;gap:10px}
.qty button{width:30px;height:30px;border-radius:50%;background:#eee;font-weight:700;font-size:18px;line-height:1}
.total{display:flex;justify-content:space-between;font-weight:800;font-size:18px;padding:16px 0}
.muted{color:#777;font-size:13px}
.empty{padding:40px 0;text-align:center;color:#777}

#toast{position:absolute;z-index:90;left:50%;bottom:calc(var(--pie-h) + var(--safe-b) + 20px);transform:translate(-50%,20px);background:#fff;color:#111;border-radius:999px;padding:10px 18px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;white-space:nowrap}
#toast.on{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){
  #caption,.sheet,.backdrop{transition:none!important}
}