:root{
  --bg:#fbfaf7; --surface:#ffffff; --surface-2:#f4f2ec; --line:rgba(20,18,10,.09); --line-2:rgba(20,18,10,.16);
  --text:#1b1a17; --text-2:#5f5d57; --text-3:#8d8a82;
  --amber:#e8a317; --amber-bg:#fdf3dc; --amber-ink:#7a5208;
  --green:#2f7d32; --green-bg:#e6f3e4; --red:#b3372f; --red-bg:#fbe7e4; --blue:#2a62b8; --blue-bg:#e5eefb; --violet:#6b4fbb; --violet-bg:#eeeafc;
  --radius:14px; --tab-h:64px; --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#121212; --surface:#1b1b1a; --surface-2:#242422; --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.16);
  --text:#f1efe9; --text-2:#b4b1a8; --text-3:#85827b;
  --amber:#f2b33d; --amber-bg:#3a2c0e; --amber-ink:#f7cf7d;
  --green:#7cc77f; --green-bg:#1d3320; --red:#f08a80; --red-bg:#3b1d1a; --blue:#8db4f2; --blue-bg:#1b2a42; --violet:#b9a6f3; --violet-bg:#2a2343;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3); color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#121212; --surface:#1b1b1a; --surface-2:#242422; --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.16);
  --text:#f1efe9; --text-2:#b4b1a8; --text-3:#85827b;
  --amber:#f2b33d; --amber-bg:#3a2c0e; --amber-ink:#f7cf7d;
  --green:#7cc77f; --green-bg:#1d3320; --red:#f08a80; --red-bg:#3b1d1a; --blue:#8db4f2; --blue-bg:#1b2a42; --violet:#b9a6f3; --violet-bg:#2a2343;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3); color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
a{color:inherit}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
input,select{font:inherit;color:var(--text)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* layout */
.shell{display:flex;min-height:100dvh}
.rail{display:none}
.main{flex:1;min-width:0;padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 16px)}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:12px;padding:calc(env(safe-area-inset-top) + 10px) 16px 10px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px)}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:16px;letter-spacing:-.01em}
.logo{width:30px;height:30px;border-radius:9px;background:var(--amber-bg);color:var(--amber-ink);display:grid;place-items:center}
.logo svg{width:18px;height:18px}
.page-title{display:none;margin:0;font-size:20px;font-weight:600;letter-spacing:-.02em}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:var(--text-2)}
.icon-btn:hover{background:var(--surface-2)}
.seg{display:flex;background:var(--surface-2);border-radius:999px;padding:3px}
.seg button{padding:5px 11px;border-radius:999px;font-size:12.5px;font-weight:500;color:var(--text-2)}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--text);box-shadow:0 1px 2px rgba(0,0,0,.12)}
.view{padding:0 16px;max-width:880px;margin:0 auto;outline:none}

/* tab bar (phone) */
.tabbar{position:fixed;z-index:10;left:0;right:0;bottom:0;display:flex;height:calc(var(--tab-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line)}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;font-weight:500;color:var(--text-3);text-decoration:none;position:relative}
.tabbar a svg{width:23px;height:23px}
.tabbar a[aria-current="page"]{color:var(--text)}
.tabbar a[aria-current="page"]::before{content:"";position:absolute;top:0;width:28px;height:3px;border-radius:0 0 3px 3px;background:var(--amber)}
.badge-dot{position:absolute;top:9px;left:calc(50% + 6px);min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--red);color:#fff;font-size:10px;line-height:16px;text-align:center}

/* desktop */
@media (min-width:900px){
  .rail{display:flex;flex-direction:column;gap:22px;width:232px;padding:22px 14px;border-right:1px solid var(--line);position:sticky;top:0;height:100dvh}
  .rail .brand{padding:0 8px}
  .nav{display:flex;flex-direction:column;gap:2px}
  .nav a{display:flex;align-items:center;gap:11px;padding:9px 10px;border-radius:10px;text-decoration:none;color:var(--text-2);font-weight:500}
  .nav a:hover{background:var(--surface-2)}
  .nav a[aria-current="page"]{background:var(--surface-2);color:var(--text)}
  .tabbar,.brand-m{display:none}
  .page-title{display:block}
  .main{padding-bottom:32px}
  .top{padding:18px 28px}
  .view{padding:0 28px}
}

/* blocks */
.section{margin:18px 0 8px;display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.section h2{margin:0;font-size:15px;font-weight:600;letter-spacing:-.01em}
.section .sub{font-size:12.5px;color:var(--text-3)}
.link{font-size:13px;font-weight:500;color:var(--text-2);text-decoration:none}
.hero{margin-top:4px;color:var(--text-2);font-size:13px}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}
@media (min-width:640px){.kpis{grid-template-columns:repeat(4,minmax(0,1fr))}}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;text-decoration:none;display:block}
.kpi .v{font-size:24px;font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi .l{font-size:12.5px;color:var(--text-2);margin-top:1px}
.kpi.accent .v{color:var(--amber-ink)}
.chips{display:flex;gap:7px;overflow-x:auto;padding:2px 16px 4px;margin:10px -16px 4px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;padding:7px 13px;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);font-size:13px;font-weight:500;color:var(--text-2);white-space:nowrap}
.chip[aria-pressed="true"]{background:var(--text);color:var(--bg);border-color:transparent}
.chip .n{opacity:.65;margin-left:5px;font-variant-numeric:tabular-nums}

.list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.row{display:flex;gap:12px;align-items:center;padding:11px 14px;border-top:1px solid var(--line);text-decoration:none;color:inherit;width:100%;text-align:left}
.row:first-child{border-top:0}
button.row:hover,a.row:hover{background:var(--surface-2)}
.row .body{flex:1;min-width:0}
.row .t{font-size:14px;font-weight:500;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row .m{font-size:12.5px;color:var(--text-3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .r{text-align:right;flex-shrink:0}
.row .price{font-weight:600;font-variant-numeric:tabular-nums;font-size:14.5px}
.row .was{font-size:12px;color:var(--text-3);text-decoration:line-through;font-variant-numeric:tabular-nums}
.ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;flex-shrink:0}
.thumb{width:48px;height:48px;border-radius:10px;background:var(--surface-2);object-fit:contain;flex-shrink:0;border:1px solid var(--line)}
.tone-green{background:var(--green-bg);color:var(--green)} .tone-red{background:var(--red-bg);color:var(--red)}
.tone-blue{background:var(--blue-bg);color:var(--blue)} .tone-amber{background:var(--amber-bg);color:var(--amber-ink)}
.tone-violet{background:var(--violet-bg);color:var(--violet)} .tone-gray{background:var(--surface-2);color:var(--text-2)}
.pill{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11.5px;font-weight:600;font-variant-numeric:tabular-nums}
.ago{font-size:11.5px;color:var(--text-3);white-space:nowrap}

.empty{background:var(--surface);border:1px dashed var(--line-2);border-radius:var(--radius);padding:22px 18px;text-align:center;color:var(--text-2);font-size:14px}
.empty b{display:block;color:var(--text);font-weight:600;margin-bottom:4px}
.more{display:block;width:100%;margin:12px 0;padding:12px;border-radius:12px;border:1px solid var(--line-2);background:var(--surface);font-weight:500;color:var(--text-2)}

/* search */
.search{position:relative;display:block;margin-top:6px}
.search input{width:100%;height:46px;border-radius:13px;border:1px solid var(--line-2);background:var(--surface);padding:0 14px 0 42px;font-size:16px;outline:none}
.search input:focus{border-color:var(--amber);box-shadow:0 0 0 3px var(--amber-bg)}
.search svg{position:absolute;left:13px;top:13px;color:var(--text-3)}
.toolbar{display:flex;gap:8px;align-items:center;margin-top:8px}
.toolbar select{flex:1;min-width:0;height:38px;border-radius:10px;border:1px solid var(--line-2);background:var(--surface);padding:0 10px;font-size:14px}
.count{font-size:12.5px;color:var(--text-3);margin:10px 2px 6px}

/* stores */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-decoration:none;display:block}
.card .h{display:flex;align-items:center;gap:10px}
.card .name{font-weight:600}
.card .plat{font-size:12px;color:var(--text-3)}
.card .stats{display:flex;gap:16px;margin-top:12px;font-size:12.5px;color:var(--text-2)}
.card .stats b{display:block;font-size:17px;color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.status{margin-left:auto;font-size:11.5px;font-weight:600;display:flex;align-items:center;gap:5px}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.status.ok{color:var(--green)} .status.bad{color:var(--red)}

/* settings */
.setting{display:flex;align-items:center;gap:12px;padding:14px;border-top:1px solid var(--line)}
.setting:first-child{border-top:0}
.setting .body{flex:1}
.setting .t{font-size:14px;font-weight:500}
.setting .m{font-size:12.5px;color:var(--text-3)}
.switch{position:relative;width:46px;height:28px;flex-shrink:0}
.switch input{opacity:0;width:0;height:0}
.switch span{position:absolute;inset:0;border-radius:999px;background:var(--line-2);transition:background .2s}
.switch span::after{content:"";position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s}
.switch input:checked+span{background:var(--green)}
.switch input:checked+span::after{transform:translateX(18px)}
.switch input:focus-visible+span{outline:2px solid var(--amber);outline-offset:2px}
.note{font-size:12.5px;color:var(--text-3);margin:10px 2px}

/* sheet */
.sheet-wrap{position:fixed;inset:0;z-index:20;display:flex;align-items:flex-end;justify-content:center}
.sheet-wrap[hidden]{display:none}
.sheet-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.38);animation:fade .2s}
.sheet{position:relative;width:100%;max-width:560px;max-height:92dvh;overflow:auto;background:var(--surface);border-radius:22px 22px 0 0;padding:8px 18px calc(18px + env(safe-area-inset-bottom));box-shadow:var(--shadow);animation:up .26s cubic-bezier(.2,.8,.2,1)}
@media (min-width:900px){.sheet-wrap{align-items:center}.sheet{border-radius:20px}}
.grab{width:38px;height:5px;border-radius:3px;background:var(--line-2);margin:4px auto 10px}
@keyframes up{from{transform:translateY(40px);opacity:.4}}
@keyframes fade{from{opacity:0}}
.d-store{font-size:12.5px;color:var(--text-3)}
.d-name{font-size:18px;font-weight:600;letter-spacing:-.01em;margin:3px 0 10px;line-height:1.3}
.d-img{width:100%;height:180px;object-fit:contain;background:var(--surface-2);border-radius:14px;margin-bottom:12px}
.d-price{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.d-price .now{font-size:30px;font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0}
.fact{background:var(--surface-2);border-radius:12px;padding:9px 10px}
.fact .l{font-size:11.5px;color:var(--text-3)}
.fact .v{font-weight:600;font-size:14px;font-variant-numeric:tabular-nums}
.spark{width:100%;height:110px;display:block}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:48px;border-radius:13px;font-weight:600;text-decoration:none;margin-top:12px}
.btn.primary{background:var(--text);color:var(--bg)}
.btn.ghost{border:1px solid var(--line-2)}
.diff{font-size:13px;margin:6px 0;padding:8px 10px;border-radius:10px;word-break:break-word}
.diff.add{background:var(--green-bg)} .diff.del{background:var(--red-bg);text-decoration:line-through;opacity:.85}
.skeleton{height:62px;border-radius:12px;background:linear-gradient(90deg,var(--surface-2),var(--surface),var(--surface-2));background-size:200% 100%;animation:sh 1.2s infinite;margin-top:10px}
@keyframes sh{to{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}