:root{
  --bg:#f3f6fa;--surface:#fff;--surface2:#f7f9fc;--ink:#0f2238;--text:#1c2733;--muted:#5d6b7a;--line:#e1e8f0;
  --blue:#2f80d1;--blue-d:#1d5fa8;--blue-soft:#e9f3fd;--teal:#1fb5c9;
  --ok:#0f8a4a;--ok-soft:#e6f6ed;--warn:#a86a0c;--warn-soft:#fdf3e1;--bad:#c0392b;--bad-soft:#fdecea;
  --silver:#7b8a9b;--gold:#b88a12;--plat:#4a5bd0;
  --shadow:0 18px 40px -30px rgba(15,34,56,.5);
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  color-scheme:dark;--bg:#0a1520;--surface:#112030;--surface2:#0e1b29;--ink:#e8f0f8;--text:#d3dde8;--muted:#8fa2b5;--line:#1f3346;
  --blue:#5aa5ee;--blue-d:#8cc1f5;--blue-soft:#15314d;--teal:#3fd0e0;
  --ok:#4cc486;--ok-soft:#113424;--warn:#e0a84a;--warn-soft:#3a2a10;--bad:#ef7a6c;--bad-soft:#3d1a17;
  --silver:#a9b6c4;--gold:#e0b93f;--plat:#8e9bff;--shadow:0 18px 40px -30px rgba(0,0,0,.8)}}
:root[data-theme="dark"]{
  color-scheme:dark;--bg:#0a1520;--surface:#112030;--surface2:#0e1b29;--ink:#e8f0f8;--text:#d3dde8;--muted:#8fa2b5;--line:#1f3346;
  --blue:#5aa5ee;--blue-d:#8cc1f5;--blue-soft:#15314d;--teal:#3fd0e0;
  --ok:#4cc486;--ok-soft:#113424;--warn:#e0a84a;--warn-soft:#3a2a10;--bad:#ef7a6c;--bad-soft:#3d1a17;
  --silver:#a9b6c4;--gold:#e0b93f;--plat:#8e9bff;--shadow:0 18px 40px -30px rgba(0,0,0,.8)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:300 15px/1.6 'Prompt',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{color:var(--ink);font-weight:600;line-height:1.3;margin:0;text-wrap:balance}
h1{font-size:24px}h2{font-size:18px}h3{font-size:15px}
button,input,select,textarea{font:inherit;color:inherit}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.small{font-size:13px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* top bar */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:14px;padding:10px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);font-size:16px}
.brand i{width:30px;height:30px;border-radius:9px;background:linear-gradient(160deg,#4a9be8,#1d5fa8);display:grid;place-items:center}
.brand i svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2.2}
.brand small{font-weight:400;color:var(--muted);font-size:13px}
.proto{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--warn-soft);color:var(--warn);font-weight:500}
.sp{flex:1}
.seg{display:inline-flex;background:var(--surface2);border:1px solid var(--line);border-radius:999px;padding:3px}
.seg button{border:0;background:none;padding:6px 14px;border-radius:999px;cursor:pointer;font-size:14px;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--blue);color:#fff;font-weight:500}
.who{display:flex;align-items:center;gap:8px;font-size:13px}
.who select{max-width:210px}.who>span{white-space:nowrap}

/* layout */
.shell{display:grid;grid-template-columns:220px minmax(0,1fr);max-width:1280px;margin:0 auto;padding-inline:20px;gap:24px}
nav.side{position:sticky;top:76px;align-self:start;padding-block:22px;display:grid;gap:2px}
nav.side button{display:flex;align-items:center;gap:10px;text-align:left;border:0;background:none;padding:9px 12px;border-radius:10px;cursor:pointer;color:var(--text);font-size:14.5px}
nav.side button svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;flex:none;opacity:.8}
nav.side button:hover{background:var(--surface)}
nav.side button[aria-current="page"]{background:var(--blue-soft);color:var(--blue-d);font-weight:500}
nav.side .cnt{margin-left:auto;font-size:12px;min-width:22px;text-align:center;padding:0 6px;border-radius:999px;background:var(--blue);color:#fff;font-weight:500}
nav.side .sec{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:14px 12px 4px}
main{padding-block:22px 60px;min-width:0;display:grid;gap:18px;align-content:start}
.head{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap}
.head p{margin:2px 0 0;color:var(--muted);font-size:14px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.panel-h{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.panel-b{padding:16px 18px}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.kpi{padding:16px 18px}
.kpi span{font-size:13px;color:var(--muted);display:block}
.kpi b{display:block;font-size:26px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3}
.kpi small{font-size:12.5px;color:var(--muted)}

/* tier card */
.tiercard{padding:20px 22px;display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
.medal{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-weight:600;font-size:13px;color:#fff;letter-spacing:.04em}
.medal.silver{background:radial-gradient(circle at 35% 30%,#d6dde5,var(--silver))}
.medal.gold{background:radial-gradient(circle at 35% 30%,#f5dd83,var(--gold))}
.medal.platinum{background:radial-gradient(circle at 35% 30%,#b9c2ff,var(--plat))}
.bar{height:10px;background:var(--surface2);border:1px solid var(--line);border-radius:999px;overflow:hidden;margin:10px 0 6px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--teal));border-radius:999px}

/* pills, buttons */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;padding:2px 10px;border-radius:999px;white-space:nowrap}
.pill:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.p-new{background:var(--blue-soft);color:var(--blue-d)}
.p-ok{background:var(--ok-soft);color:var(--ok)}
.p-warn{background:var(--warn-soft);color:var(--warn)}
.p-bad{background:var(--bad-soft);color:var(--bad)}
.p-mute{background:var(--surface2);color:var(--muted);border:1px solid var(--line)}
.tier{font-size:12px;font-weight:600;padding:2px 9px;border-radius:6px;border:1px solid currentColor;letter-spacing:.03em}
.tier.silver{color:var(--silver)}.tier.gold{color:var(--gold)}.tier.platinum{color:var(--plat)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:8px 16px;font-size:14px;font-weight:500;cursor:pointer;background:var(--surface2);border-color:var(--line);color:var(--ink);white-space:nowrap;text-decoration:none}
.btn:hover{border-color:var(--blue)}
.btn.pri{background:linear-gradient(180deg,#4a9be8,#1d5fa8);color:#fff;border-color:transparent;box-shadow:0 8px 20px -10px rgba(47,128,209,.8)}
.btn.pri:hover{filter:brightness(1.05)}
.btn.ok{background:var(--ok);color:#fff;border-color:transparent}
.btn.ghost{background:none}
.btn.danger{color:var(--bad)}
.btn.sm{padding:5px 12px;font-size:13px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
input.f,select.f,textarea.f{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:14.5px}
input.f:focus,select.f:focus,textarea.f:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-soft)}
label.l{display:grid;gap:5px;font-size:13px;color:var(--muted)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* tables */
.tw{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{font-weight:500;color:var(--muted);font-size:12.5px;text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
td.r,th.r{text-align:right}
.empty{padding:28px;text-align:center;color:var(--muted)}

/* catalog */
.cats{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 12px;font-size:13.5px;cursor:pointer;color:var(--text)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.shop{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;align-items:start}
.plist{display:grid}
.prod{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:14px;align-items:center;padding:12px 18px;border-bottom:1px solid var(--line)}
.prod:last-child{border-bottom:0}
.pic{width:44px;height:44px;border-radius:10px;background:var(--blue-soft);display:grid;place-items:center}
.pic svg{width:22px;height:22px;stroke:var(--blue);fill:none;stroke-width:1.8}
.prod .t{font-size:13.5px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prod .sku{font-family:var(--mono);font-size:12.5px;color:var(--ink);font-weight:500}
.price{text-align:right;min-width:128px}
.price s{color:var(--muted);font-size:12.5px}
.price span.small{display:block}.price b{display:block;color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;margin-top:4px}
.qty button{border:0;background:none;width:28px;height:28px;cursor:pointer;font-size:16px;color:var(--blue-d)}
.qty span{min-width:24px;text-align:center;font-variant-numeric:tabular-nums;font-size:14px}
.cart{position:sticky;top:84px}
.cart-l{display:grid;gap:8px;max-height:340px;overflow:auto}
.cart-i{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;font-size:13.5px}
.tot{display:grid;grid-template-columns:1fr auto;gap:4px 10px;font-size:14px;padding-top:12px;border-top:1px dashed var(--line);margin-top:12px}
.tot b{font-variant-numeric:tabular-nums;text-align:right}
.tot .g{font-size:18px;color:var(--ink);font-weight:600}

/* lead cards */
.lead{padding:16px 18px;display:grid;gap:8px;border-bottom:1px solid var(--line)}
.lead:last-child{border-bottom:0}
.lead .top2{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.steps{display:flex;gap:4px;margin-top:4px}
.steps i{flex:1;height:5px;border-radius:3px;background:var(--line)}
.steps i.on{background:var(--teal)}
.sugg{display:flex;gap:6px;flex-wrap:wrap;align-items:center}

.note{font-size:13px;padding:10px 14px;border-radius:12px;background:var(--warn-soft);color:var(--warn)}.note.info{background:var(--blue-soft);color:var(--blue-d)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--surface);padding:10px 18px;border-radius:999px;font-size:14px;opacity:0;transition:.25s;pointer-events:none;z-index:50;max-width:calc(100% - 32px);text-align:center}
.toast.on{opacity:1;transform:translateX(-50%)}

/* login */
.login{min-height:calc(100vh - 60px);display:grid;place-items:center;padding:30px 16px}
.login .panel{width:min(420px,100%);padding:28px}
.login h1{margin:14px 0 4px}

@media (max-width:1020px){.shop{grid-template-columns:1fr}.cart{position:static}.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:820px){
  .shell{grid-template-columns:1fr;gap:0;padding-inline:16px}
  nav.side{position:sticky;top:0;z-index:10;display:flex;overflow-x:auto;padding-block:10px;background:var(--bg);margin-inline:-16px;padding-inline:16px;scrollbar-width:none}
  nav.side::-webkit-scrollbar{display:none}
  nav.side .sec{display:none}
  nav.side button{white-space:nowrap;flex:none}
  .top-in{padding:10px 16px}
  .g3,.g2{grid-template-columns:1fr}
}
@media (max-width:520px){.who>span{display:none}.who{flex:1}.who select{max-width:none}.g4{grid-template-columns:1fr 1fr}.kpi b{font-size:21px}.prod{grid-template-columns:minmax(0,1fr) auto}.pic{display:none}.brand small{display:none}.tiercard{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.toast{transition:none}}

/* ---- real-system additions ---- */
html{background:var(--bg)}
a{color:var(--blue-d)}
.login .panel{display:grid;gap:14px}
.err{color:var(--bad);font-size:13.5px;min-height:1em}
.modal-bg{position:fixed;inset:0;background:rgba(10,20,32,.45);z-index:40;display:grid;place-items:center;padding:16px}
.modal{background:var(--surface);border:1px solid var(--line);border-radius:18px;width:min(640px,100%);max-height:calc(100vh - 32px);overflow:auto;box-shadow:0 30px 60px -20px rgba(0,0,0,.5)}
.modal .panel-h{position:sticky;top:0;background:var(--surface);z-index:1}
.x{border:0;background:none;font-size:22px;line-height:1;cursor:pointer;color:var(--muted);padding:4px 8px}
.secret{font-family:var(--mono);font-size:18px;background:var(--surface2);border:1px dashed var(--line);border-radius:10px;padding:10px 14px;display:inline-block;user-select:all}
pre.msg{white-space:pre-wrap;font:inherit;font-size:14px;background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:0}
.clickable{cursor:pointer}
.clickable:hover td{background:var(--surface2)}
.tl{display:grid;gap:8px;font-size:13.5px}
.tl div{display:grid;grid-template-columns:120px 1fr;gap:10px}
.inp-sm{padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);width:110px;font-variant-numeric:tabular-nums}
.banner{font-size:14px;padding:12px 16px;border-radius:12px;background:var(--warn-soft);color:var(--warn);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.loading{padding:40px;text-align:center;color:var(--muted)}
.hide-m{}
@media (max-width:640px){.hide-m{display:none}}