*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#f5f6fa;--card:#fff;--text:#151726;--muted:#666a7e;--line:#e5e7f1;--primary:#4c6fff;--primary-2:#5f83ff;--dark:#191b2b;--green:#16a34a;--red:#dc2626;--radius:14px;--shadow:0 10px 30px rgba(23,25,41,.07)}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted)}
.topbar{background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(10px);position:sticky;top:0;z-index:30}
.topbar .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px}
.brand{font-weight:800;font-size:20px;color:var(--dark);letter-spacing:-.5px}
.topbar nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.topbar nav a{color:var(--text);font-size:14px}
.page{padding:34px 0 70px}
.eyebrow{font-size:12px;letter-spacing:.16em;color:var(--primary);font-weight:700;text-transform:uppercase}
h1{font-size:clamp(26px,4vw,38px);line-height:1.15;letter-spacing:-1px}
h2{font-size:clamp(20px,3vw,26px);letter-spacing:-.5px}
h3{font-size:17px;letter-spacing:-.3px}
.hero{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;padding:28px 0 12px;flex-wrap:wrap}
.hero h1{margin-top:8px}
.hero h1 span{color:var(--primary)}
.hero-cards{display:flex;gap:14px;flex-wrap:wrap}
.mini-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;min-width:160px;box-shadow:var(--shadow);color:var(--text)}
.mini-card span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
.section{margin-top:36px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{background:var(--card);border:1px solid var(--line);padding:10px 16px;border-radius:999px;color:var(--text);font-size:14px}
.chip:hover{border-color:var(--primary);color:var(--primary);text-decoration:none}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.product-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.product-top,.product-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}
.badge{display:inline-block;font-size:12px;padding:4px 10px;border-radius:999px;background:#eef1ff;color:var(--primary)}
.badge-green{background:#dcfce7;color:#166534}
.badge-gray{background:#e5e7eb;color:#4b5563}
.badge-red{background:#fee2e2;color:#991b1b}
.stock{font-size:13px;color:var(--muted)}
.price{color:var(--primary);font-size:18px}
.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:10px;padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:.15s;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-2)}
.btn-dark{background:var(--dark);color:#fff}
.btn-light{background:#f0f2f8;color:var(--text)}
.btn-danger{background:var(--red);color:#fff}
.btn.w-full{width:100%}
.auth-card{max-width:420px;margin:40px auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.auth-card h1{margin:8px 0 18px}
label{display:block;font-size:14px;margin-bottom:14px}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font:inherit;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px rgba(76,111,255,.15)}
.alert{border:1px solid #fde68a;background:#fffbeb;color:#92400e;padding:12px 14px;border-radius:10px;font-size:14px;margin-bottom:14px}
.alert-error{border-color:#fecaca;background:#fef2f2;color:#991b1b}
.form-result{margin-top:12px;font-size:14px}
.page-head{margin-bottom:22px}
.page-head.row-between{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.account-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:600;white-space:nowrap}
.detail-meta{display:flex;gap:30px;flex-wrap:wrap;margin:18px 0}
.detail-meta small{display:block;color:var(--muted);font-size:12px}
.detail-meta strong{font-size:18px}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.detail-visual{background:linear-gradient(135deg,#dfe5ff,#f3f5ff);border-radius:var(--radius);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:#8c94b8;font-weight:700;letter-spacing:.4em}
.buy-form{margin-top:14px;max-width:320px}
.stock-output{display:flex;flex-direction:column;gap:10px}
.stock-line{background:#f8f9ff;border:1px dashed var(--line);border-radius:10px;padding:12px 14px;font-family:ui-monospace,Consolas,monospace;font-size:13px;word-break:break-all}
.bank-info dt{font-weight:600;margin-top:10px}
.bank-info dd{color:var(--muted)}
.bank-info .highlight{color:var(--primary);font-weight:700}
.section-title{margin:26px 0 14px}
.search-form{display:flex;gap:10px}
.search-form input{max-width:260px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat span{display:block;color:var(--muted);font-size:13px}
.stat strong{font-size:26px;letter-spacing:-.5px}
.admin-layout{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:28px 0 70px}
.sidebar{display:flex;flex-direction:column;gap:8px;position:sticky;top:84px;align-self:start}
.sidebar a{padding:10px 14px;border-radius:10px;color:var(--text);font-size:14px}
.sidebar a:hover,.sidebar a.active{background:#eef1ff;color:var(--primary);text-decoration:none}
.form-card{max-width:900px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.stock-list{display:flex;flex-direction:column;gap:8px;max-height:560px;overflow:auto}
.stock-row{display:flex;align-items:center;gap:12px;font-size:13px;border-bottom:1px dashed var(--line);padding:8px 0}
.stock-content{flex:1;font-family:ui-monospace,Consolas,monospace;word-break:break-all;color:var(--muted)}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty h1{margin-bottom:10px}
.footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);font-size:13px}
@media (max-width:820px){.product-detail,.two-col{grid-template-columns:1fr}.admin-layout{grid-template-columns:1fr}.sidebar{flex-direction:row;flex-wrap:wrap;position:static}.hero{align-items:flex-start}.form-grid{grid-template-columns:1fr}}