:root{
  --pr:#0B0B0C; --on-pr:#fff; --ac:#22C55E; --on-ac:#0B0B0C; --bg:#FFFFFF; --tx:#0B0B0C;
  --card:rgba(0,0,0,.05); --line:rgba(0,0,0,.1); --muted:rgba(0,0,0,.6);
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --safe-b:env(safe-area-inset-bottom,0px); --safe-t:env(safe-area-inset-top,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.5 var(--font);-webkit-font-smoothing:antialiased;min-height:100%}
button,input{font:inherit;color:inherit}
a{color:inherit}
.boot{min-height:100vh;display:grid;place-items:center}
.spin{width:28px;height:28px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--ac);animation:sp 0.8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.wrap{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}

/* sign-in */
.auth{padding:calc(48px + var(--safe-t)) 24px 32px;display:flex;flex-direction:column;min-height:100vh}
.brandmark{display:flex;align-items:center;justify-content:center;min-height:96px;margin-bottom:28px}
.brandmark img{max-height:96px;max-width:240px;object-fit:contain}
.brandmark .nm{font-size:28px;font-weight:800;letter-spacing:-.02em;text-align:center}
.auth h1{font-size:26px;line-height:1.2;letter-spacing:-.02em;margin:0 0 6px;text-align:center}
.auth p.sub{color:var(--muted);text-align:center;margin:0 0 28px}
label{display:block;font-weight:600;font-size:14px;margin:0 0 6px}
input[type=email]{width:100%;height:54px;border:1.5px solid var(--line);border-radius:14px;padding:0 16px;background:transparent;outline:none}
input[type=email]:focus{border-color:var(--ac)}
.btn{display:flex;align-items:center;justify-content:center;width:100%;height:54px;border:0;border-radius:14px;background:var(--ac);color:var(--on-ac);font-weight:700;cursor:pointer;margin-top:14px;text-decoration:none}
.btn[disabled]{opacity:.5}
.btn.ghost{background:transparent;color:var(--tx);border:1.5px solid var(--line)}
.err{color:#B42318;font-size:14px;margin-top:10px;text-align:center;min-height:1px}
.foot{margin-top:auto;padding-top:28px;text-align:center;font-size:12px;color:var(--muted)}
.foot b{font-weight:800}.foot b i{font-style:normal;color:#22C55E}
.note{background:var(--card);border-radius:16px;padding:16px;font-size:15px;margin-top:18px}

/* app */
.top{padding:calc(14px + var(--safe-t)) 18px 10px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.top .lg{height:34px;display:flex;align-items:center;font-weight:800;font-size:18px;letter-spacing:-.01em}
.top .lg img{max-height:34px;max-width:170px;object-fit:contain}
.iconbtn{width:38px;height:38px;border-radius:50%;border:0;background:var(--card);display:grid;place-items:center;cursor:pointer;font-weight:700;font-size:14px}
main{flex:1;padding:6px 14px calc(96px + var(--safe-b));display:flex;flex-direction:column;gap:12px}
.hero{background:var(--pr);color:var(--on-pr);border-radius:22px;padding:20px}
.hero h2{margin:0;font-size:26px;letter-spacing:-.02em;line-height:1.15}
.hero p{margin:4px 0 0;opacity:.8;font-size:14px}
.card{background:var(--card);border-radius:20px;padding:18px}
.card small{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:700;opacity:.7;margin-bottom:4px}
.card h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .btn{margin-top:14px;height:48px}
.row{display:flex;gap:12px}.row .card{flex:1}
.big{font-size:22px;font-weight:800}
.soon{display:flex;flex-direction:column;align-items:center;text-align:center;padding:48px 24px;gap:8px}
.soon .ic{width:64px;height:64px;border-radius:20px;background:var(--card);display:grid;place-items:center;font-size:28px;margin-bottom:6px}
.soon h2{margin:0;font-size:22px}
.soon p{margin:0;color:var(--muted)}
.banner{background:#FEF3C7;color:#78350F;border-radius:14px;padding:12px 14px;font-size:14px;font-weight:600}

nav.tabs{position:fixed;left:0;right:0;bottom:0;background:var(--bg);border-top:1px solid var(--line);padding:8px 8px calc(8px + var(--safe-b));display:flex;justify-content:space-around;z-index:5}
nav.tabs button{background:none;border:0;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;font-weight:600;opacity:.55;cursor:pointer;padding:4px 10px;min-width:64px}
nav.tabs button.on{opacity:1;color:var(--ac)}
nav.tabs svg{width:24px;height:24px}
@media (min-width:600px){nav.tabs{max-width:480px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line)}}

.sheet{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:20}
.sheet .in{background:var(--bg);color:var(--tx);width:100%;max-width:480px;border-radius:24px 24px 0 0;padding:22px 20px calc(22px + var(--safe-b))}
.sheet h3{margin:0 0 12px}
.sheet ol{margin:0;padding-left:20px;display:grid;gap:8px}

#toast{position:fixed;left:50%;bottom:calc(90px + var(--safe-b));transform:translateX(-50%) translateY(16px);background:#0B0B0C;color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;opacity:0;pointer-events:none;transition:.2s;z-index:30;max-width:90vw;text-align:center}
#toast.show{opacity:1;transform:translateX(-50%)}
.demo{position:fixed;top:calc(8px + var(--safe-t));left:8px;background:#FEF3C7;color:#78350F;font-size:11px;font-weight:700;padding:4px 8px;border-radius:6px;z-index:40}