:root{
    --bg:#0b0d12;
    --panel:#12151c;
    --panel2:#171b24;
    --line:#222834;
    --text:#e8ebf1;
    --muted:#7b869a;
    --blue:#4c8dff;
    --green:#39c98d;
    --red:#f3616b;
    --gold:#f0b64b;
    --mono:'JetBrains Mono',monospace;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);
    font:14px/1.5 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;
    padding-bottom:calc(80px + env(safe-area-inset-bottom))}
#bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;
    pointer-events:none;opacity:.45}
header,nav,main,.sheet{position:relative;z-index:1}

header{position:sticky;top:0;z-index:20;display:flex;align-items:center;
    justify-content:space-between;padding:14px 18px;background:#0b0d12f2;
    border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.logo{display:flex;align-items:center;gap:10px;font:700 15px Inter;letter-spacing:-.3px}
.mark{width:26px;height:26px;display:grid;place-items:center;background:var(--blue);
    color:#fff;border-radius:6px;font-weight:800;font-size:13px}
.balance-btn{display:flex;align-items:center;gap:7px;background:var(--panel);
    border:1px solid var(--line);border-radius:8px;padding:8px 12px;
    font:600 12px Inter;color:var(--text);cursor:pointer}
.balance-btn .dot{width:6px;height:6px;border-radius:50%;background:var(--green);
    box-shadow:0 0 6px var(--green)}

main{max-width:720px;margin:0 auto;padding:0 18px}

.hero{padding:32px 0 20px;border-bottom:1px solid var(--line)}
.hero .eyebrow{font:600 10px var(--mono);color:var(--blue);letter-spacing:1.2px;
    text-transform:uppercase;margin-bottom:10px}
.hero h1{font:700 30px/1.15 Inter;letter-spacing:-1px;margin:0 0 12px}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p{color:var(--muted);font-size:13px;margin:0 0 22px;line-height:1.6;max-width:520px}
.hero-stats{display:flex;gap:24px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font:700 20px Inter;letter-spacing:-.5px}
.hero-stats span{color:var(--muted);font-size:11px;margin-top:2px}

.toolbar{margin:24px 0 16px;display:flex;flex-direction:column;gap:12px}
.toolbar input{width:100%;background:var(--panel);border:1px solid var(--line);
    border-radius:8px;padding:11px 13px;color:var(--text);font:13px Inter;outline:none}
.toolbar input:focus{border-color:var(--blue)}
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{background:var(--panel);border:1px solid var(--line);border-radius:7px;
    padding:7px 11px;font-size:12px;color:var(--muted);cursor:pointer;font-weight:500}
.chip.active{background:var(--blue);color:#fff;border-color:var(--blue)}

.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;
    padding-bottom:20px}
@media(min-width:560px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;
    padding:14px;display:flex;flex-direction:column;gap:10px;cursor:pointer;
    transition:border-color .15s,transform .15s}
.card:active{transform:scale(.98)}
.card:hover{border-color:#2e3648}
.card-top{display:flex;align-items:center;gap:10px}
.card-logo{width:34px;height:34px;border-radius:7px;background:#0a0e14;
    border:1px solid var(--line);display:grid;place-items:center;
    overflow:hidden;flex-shrink:0}
.card-logo img{width:22px;height:22px;object-fit:contain}
.card h3{font:600 13px Inter;margin:0;line-height:1.25;letter-spacing:-.2px}
.card .cat{font:500 10px var(--mono);color:var(--muted);
    text-transform:uppercase;letter-spacing:.5px;margin-top:2px}
.card .descr{color:var(--muted);font-size:11px;line-height:1.45;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
    overflow:hidden;min-height:32px}
.card-foot{display:flex;justify-content:space-between;align-items:center;
    padding-top:10px;border-top:1px solid var(--line);margin-top:auto;gap:6px}
.card-price{font:700 14px Inter;letter-spacing:-.3px}
.card-price small{color:var(--muted);font-weight:400;font-size:9px;
    text-transform:uppercase;letter-spacing:.5px;display:block;margin-bottom:2px}
.stock{font:600 9px var(--mono);color:var(--green);text-transform:uppercase;
    letter-spacing:.3px;text-align:right}
.stock.out{color:var(--red)}

.sheet{display:none;position:fixed;inset:0;z-index:50;background:#000000b8;
    align-items:flex-end;justify-content:center;backdrop-filter:blur(4px)}
.sheet.show{display:flex}
.sheet-body{background:var(--panel);border:1px solid var(--line);
    border-bottom:0;border-radius:14px 14px 0 0;width:100%;max-width:720px;
    padding:24px 18px calc(24px + env(safe-area-inset-bottom));
    max-height:85vh;overflow:auto;animation:slide .18s}
@keyframes slide{from{transform:translateY(20px);opacity:0}
    to{transform:translateY(0);opacity:1}}
.sheet-title{font:700 20px Inter;margin:0 0 6px;letter-spacing:-.4px}
.sheet-sub{color:var(--muted);font-size:13px;margin:0 0 16px;line-height:1.5}
.pack{display:flex;justify-content:space-between;align-items:center;
    background:var(--panel2);border:1px solid var(--line);border-radius:9px;
    padding:13px;margin-bottom:8px;cursor:pointer;transition:border-color .15s}
.pack:hover{border-color:var(--blue)}
.pack strong{font:600 13px Inter}
.pack small{color:var(--muted);font-size:11px;display:block;margin-top:2px}
.pack b{font:700 14px Inter;white-space:nowrap}

.btn{display:flex;align-items:center;justify-content:center;gap:6px;
    border:0;border-radius:8px;padding:12px 16px;font:600 13px Inter;
    background:var(--blue);color:#fff;cursor:pointer;width:100%;
    transition:opacity .15s;margin-top:8px}
.btn:hover{opacity:.92}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--line)}
.btn.danger{background:transparent;color:var(--red);border:1px solid #3a1f24}

.key{font:500 12px var(--mono);background:#0a0e14;border:1px solid var(--line);
    border-radius:8px;padding:12px;color:#a4c4ff;word-break:break-all;margin:10px 0}

.page-title{font:700 24px Inter;letter-spacing:-.6px;margin:24px 0 6px}
.page-sub{color:var(--muted);font-size:12px;margin:0 0 20px;line-height:1.5}

.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:20px}
.stat-box{background:var(--panel);border:1px solid var(--line);
    border-radius:10px;padding:14px}
.stat-box small{color:var(--muted);font-size:10px;text-transform:uppercase;
    letter-spacing:.5px;font-weight:600}
.stat-box b{display:block;font:700 20px Inter;margin-top:4px;letter-spacing:-.5px}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;
    padding:16px;margin-bottom:12px}
.panel h3{font:600 13px Inter;margin:0 0 12px}

.list-item{padding:13px 0;border-bottom:1px solid var(--line)}
.list-item:last-child{border-bottom:0}
.list-item-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.list-item-title{font-weight:600;font-size:13px}
.list-item-meta{color:var(--muted);font-size:11px;margin-top:3px;font-family:var(--mono)}
.badge{font:600 10px var(--mono);text-transform:uppercase;letter-spacing:.4px;
    padding:3px 7px;border-radius:4px;background:#1a3025;color:var(--green)}
.badge.wait{background:#2a2418;color:var(--gold)}

.field{width:100%;background:#0a0e14;border:1px solid var(--line);
    border-radius:8px;padding:10px 12px;color:var(--text);font:13px Inter;
    outline:none;margin-bottom:8px}
.field:focus{border-color:var(--blue)}
textarea.field{resize:vertical;min-height:72px;font-family:var(--mono);font-size:12px}

.nav{position:fixed;bottom:0;left:0;right:0;z-index:20;
    display:flex;justify-content:space-around;background:#0b0d12f5;
    border-top:1px solid var(--line);backdrop-filter:blur(16px);
    padding:8px 4px calc(8px + env(safe-area-inset-bottom))}
.nav-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
    border:0;background:none;color:var(--muted);font-size:10px;
    font-weight:500;padding:4px;cursor:pointer}
.nav-btn .ico{font-size:16px;line-height:1.2}
.nav-btn.active{color:var(--blue)}

.loading{display:flex;flex-direction:column;align-items:center;
    justify-content:center;padding:80px 20px;gap:16px;color:var(--muted);font-size:12px}
.spinner{width:26px;height:26px;border:2px solid var(--line);
    border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.empty{padding:50px 20px;text-align:center;color:var(--muted);font-size:13px}
.empty b{display:block;color:var(--text);margin-bottom:6px;font-size:14px}

.section-head{display:flex;justify-content:space-between;align-items:baseline;
    margin:22px 0 10px}
.section-head h2{font:600 14px Inter;margin:0}
.section-head small{color:var(--muted);font-size:11px}

.quick-amounts{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.quick-amounts .chip{padding:6px 10px;font-size:11px}

.space{height:12px}