:root{
  --bg:#f5f7fb;
  --surface:#ffffff;
  --ink:#111827;
  --text:#1f2937;
  --muted:#6b7280;
  --line:#e5e7eb;
  --line2:#edf0f5;
  --primary:#2563eb;
  --success:#16a34a;
  --warning:#d97706;
  --danger:#dc2626;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05);
  --shadow:0 12px 32px rgba(15,23,42,.07);
  --shadow-lg:0 24px 70px rgba(15,23,42,.16);
  --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;max-width:100%;overflow-x:hidden;background:var(--bg);color:var(--text);font-family:var(--font)}
button,input,select,textarea{font-family:var(--font)}
a{color:inherit}
.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(180deg,#f8fafc 0%,#eef2f7 100%);padding:18px}
.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow-lg);padding:28px}
.login-logo{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:#111827;color:#fff;font-weight:900;font-size:22px;margin-bottom:16px}
.login-card h1{margin:0 0 8px;color:var(--ink);font-size:30px;letter-spacing:-.045em}
.login-card p{margin:0 0 18px;color:var(--muted);line-height:1.55}
.app-shell{min-height:100vh;display:grid;grid-template-columns:276px minmax(0,1fr);background:linear-gradient(180deg,#f8fafc 0%,#f4f6fb 100%)}
.app-sidebar{position:sticky;top:0;height:100vh;overflow:auto;padding:20px 16px;background:rgba(255,255,255,.94);border-right:1px solid var(--line);box-shadow:var(--shadow-sm);backdrop-filter:blur(18px);z-index:10}
.app-brand{display:flex;align-items:center;gap:12px;padding:6px 8px 18px;border-bottom:1px solid var(--line);margin-bottom:16px}
.app-logo{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;color:#fff;font-size:18px;font-weight:850;background:#111827}
.app-brand strong{display:block;font-size:17px;letter-spacing:-.035em;color:var(--ink);font-weight:850}
.app-brand span{display:block;color:var(--muted);font-size:12px;margin-top:2px;font-weight:500}
.app-nav{display:grid;gap:4px}
.app-nav a{display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 12px;border-radius:12px;color:#4b5563;background:transparent;font-size:14px;font-weight:650;text-align:left;text-decoration:none;transition:.16s ease}
.app-nav a:hover{color:var(--ink);background:#f3f4f6}
.app-nav a.active{color:var(--primary);background:#eff6ff;box-shadow:inset 3px 0 0 var(--primary)}
.app-nav i{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:#f3f4f6;color:#475569;font-style:normal;flex:0 0 auto;font-size:13px}
.app-nav a.active i{background:#dbeafe;color:var(--primary)}
.app-side-note{margin-top:18px;padding:14px;border-radius:14px;background:#f8fafc;border:1px solid var(--line);color:#64748b;font-size:13px;line-height:1.55}
.app-main{min-width:0;padding:28px}
.app-hero{display:flex;align-items:center;justify-content:space-between;gap:22px;border-radius:24px;padding:24px;color:var(--ink);background:linear-gradient(180deg,#fff 0%,#fbfdff 100%);border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:18px}
.app-hero::before{content:"";width:4px;align-self:stretch;border-radius:999px;background:var(--primary);flex:0 0 auto}
.app-hero h1{margin:0 0 7px;font-size:30px;line-height:1.12;letter-spacing:-.045em;font-weight:850;color:var(--ink)}
.app-hero p{margin:0;color:var(--muted);line-height:1.65;max-width:850px;font-size:14px}
.app-hero-actions,.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:flex-end}
.btn{border:1px solid transparent;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;min-height:40px;padding:10px 14px;font-size:13px;font-weight:750;color:#fff;background:var(--primary);box-shadow:none;text-decoration:none;transition:.16s ease;white-space:nowrap}
.btn:hover{transform:translateY(-1px);background:#1d4ed8;box-shadow:0 10px 18px rgba(37,99,235,.15)}
.btn.green{background:var(--success)}.btn.green:hover{background:#15803d}
.btn.dark{background:#111827}.btn.dark:hover{background:#0f172a}
.btn.orange{background:#fff7ed;color:#9a3412;border-color:#fed7aa}.btn.orange:hover{background:#ffedd5;box-shadow:none}
.btn.red{background:#fef2f2;color:var(--danger);border-color:#fecaca}.btn.red:hover{background:#fee2e2;box-shadow:none}
.btn.light,.btn.ghost{background:#fff;color:#374151;border-color:var(--line);box-shadow:var(--shadow-sm)}.btn.light:hover,.btn.ghost:hover{background:#f9fafb;box-shadow:var(--shadow-sm)}
.btn.small{min-height:34px;padding:8px 11px;border-radius:10px;font-size:12px}.btn.full{width:100%}
.alert{padding:12px 14px;border-radius:14px;margin-bottom:16px;background:#f0fdf4;color:#166534;border:1px solid #bbf7d0;font-weight:700;box-shadow:var(--shadow-sm)}
.alert.error{background:#fef2f2;color:#991b1b;border-color:#fecaca}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:18px;padding:17px;box-shadow:var(--shadow-sm)}
.kpi strong{display:block;font-size:27px;letter-spacing:-.04em;color:var(--ink);font-weight:850}
.kpi span{display:block;color:var(--muted);font-size:12px;margin-top:4px;font-weight:600}
.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow);margin-bottom:16px}
.card h2{margin:0 0 6px;color:var(--ink);letter-spacing:-.035em;font-size:22px;font-weight:820}
.card h3{margin:0 0 6px;color:var(--ink);letter-spacing:-.02em;font-size:17px}
.muted{color:var(--muted);font-size:13px;line-height:1.55}
.grid-2{display:grid;grid-template-columns:420px minmax(0,1fr);gap:16px;align-items:start}
.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.field{margin-top:12px}
.field label{display:block;margin:0 0 7px;color:#475569;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.055em}
.field input,.field select,.field textarea,.table-search,.product-select{width:100%;border:1px solid #dbe3ef;background:#fff;color:#111827;border-radius:12px;padding:11px 12px;font-size:14px;outline:none;transition:.16s ease}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus,.table-search:focus,.product-select:focus{border-color:#93c5fd;box-shadow:0 0 0 4px rgba(37,99,235,.10)}
.help{padding:12px;border-radius:14px;background:#f8fafc;border:1px solid var(--line);color:#64748b;font-size:13px;line-height:1.55;margin-top:12px}
.toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin:14px 0;padding:12px;border-radius:18px;background:#f8fafc;border:1px solid var(--line)}
.table-search{width:min(460px,100%);font-size:13px;padding:10px 12px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}
.table{width:100%;min-width:1050px;border-collapse:collapse}
.table th,.table td{padding:12px;border-bottom:1px solid var(--line2);text-align:left;vertical-align:middle;font-size:13px}
.table th{color:#64748b;background:#f8fafc;font-size:11px;text-transform:uppercase;letter-spacing:.055em;font-weight:850}
.table tr:hover td{background:#fcfdff}
.chip{display:inline-flex;align-items:center;min-height:26px;padding:5px 9px;border-radius:999px;background:#f8fafc;color:#475569;border:1px solid #e2e8f0;font-size:11px;font-weight:750;white-space:nowrap}
.chip.green{background:#f0fdf4;color:#166534;border-color:#bbf7d0}.chip.orange{background:#fff7ed;color:#9a3412;border-color:#fed7aa}.chip.red{background:#fef2f2;color:#991b1b;border-color:#fecaca}.chip.blue{background:#eff6ff;color:#1d4ed8;border-color:#dbeafe}
.empty{padding:26px;border:1px dashed #cbd5e1;border-radius:18px;background:#f8fafc;color:#64748b;text-align:center;margin-top:14px}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px;margin-top:14px}
.product-card{border:1px solid var(--line);background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.16s ease}
.product-card:hover{transform:translateY(-2px);border-color:#cbd5e1;box-shadow:0 14px 34px rgba(15,23,42,.08)}
.product-image{height:210px;background:#f3f4f6;border-bottom:1px solid var(--line2);display:grid;place-items:center;position:relative}
.product-image img{width:100%;height:100%;object-fit:contain;padding:8px}
.product-body{padding:15px}.product-body h3{font-size:17px;margin:0 0 6px}.code{color:#64748b;font-size:12px;font-weight:700;overflow-wrap:anywhere}
.badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.desc{margin-top:10px;color:#64748b;font-size:13px;line-height:1.5}
.product-picker{margin-top:12px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.product-picker .search{padding:10px;border-bottom:1px solid var(--line);background:#f8fafc}
.product-options{max-height:360px;overflow:auto;display:grid}
.product-option{display:grid;grid-template-columns:58px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px;border:0;border-bottom:1px solid var(--line2);background:#fff;text-align:left;cursor:pointer;transition:.16s ease}
.product-option:hover,.product-option.active{background:#eff6ff}
.product-option img{width:58px;height:46px;object-fit:contain;border-radius:10px;background:#f3f4f6;border:1px solid var(--line)}
.product-option strong{display:block;color:var(--ink);font-size:13px;font-weight:800;line-height:1.25}.product-option span{display:block;color:#64748b;font-size:12px;margin-top:3px}
.preview{display:none;margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:16px;background:#f8fafc}.preview.show{display:block}
.preview-inner{display:grid;grid-template-columns:86px minmax(0,1fr);gap:12px;align-items:center}.preview-inner img{width:86px;height:68px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line)}
.drawer{position:fixed;inset:0;display:none;z-index:10000;background:rgba(15,23,42,.52);backdrop-filter:blur(10px)}.drawer.show{display:block}
.drawer-panel{position:absolute;top:0;right:0;width:min(640px,100%);height:100%;overflow:auto;background:#fff;box-shadow:-28px 0 80px rgba(15,23,42,.22);border-left:1px solid var(--line)}
.drawer-head{position:sticky;top:0;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(18px)}
.drawer-head h2{margin:0;color:var(--ink);font-size:21px;letter-spacing:-.035em;font-weight:850}.drawer-form{padding:18px}
.close-btn{border:1px solid var(--line);cursor:pointer;width:40px;height:40px;border-radius:12px;background:#fff;color:var(--ink);font-size:20px;font-weight:700}
.image-preview{display:none;margin-top:10px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#f3f4f6}.image-preview.show{display:block}.image-preview img{width:100%;height:260px;object-fit:contain;background:#f3f4f6;padding:8px}
.scan-page .app-shell{grid-template-columns:1fr}.scan-wrap{max-width:980px;margin:0 auto}.scan-hero{margin-bottom:16px}.result-card{display:grid;grid-template-columns:320px minmax(0,1fr);gap:16px}.result-img{background:#f3f4f6;border:1px solid var(--line);border-radius:18px;padding:10px;display:grid;place-items:center}.result-img img{width:100%;max-height:420px;object-fit:contain}
.mobile-list{display:none;gap:10px;margin-top:14px}.mobile-item{border:1px solid var(--line);border-radius:18px;background:#fff;padding:13px;box-shadow:var(--shadow-sm)}
.file-note{margin-top:8px;color:#64748b;font-size:12px;line-height:1.45}
.learn{display:flex;align-items:flex-start;gap:8px;padding:12px;border:1px solid #dbeafe;background:#eff6ff;color:#1e3a8a;border-radius:14px;font-size:13px;line-height:1.45;margin-top:12px}
@media(max-width:1180px){.grid-2{grid-template-columns:1fr}.app-hero{display:block}.app-hero::before{display:none}.app-hero-actions{justify-content:flex-start;margin-top:16px}.result-card{grid-template-columns:1fr}}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.app-sidebar{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line)}.app-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.table-wrap{display:none}.mobile-list{display:grid}}
@media(max-width:680px){.app-main{padding:14px}.app-hero{padding:20px;border-radius:20px}.app-hero h1{font-size:28px}.app-nav{grid-template-columns:1fr}.grid-form{grid-template-columns:1fr}.btn{flex:1}.product-option{grid-template-columns:48px minmax(0,1fr)}.product-option .chip{display:none}.drawer-panel{width:100%}.login-card{padding:22px}}