:root{--navy:#0b3a5b;--navy2:#082b44;--ink:#102331;--muted:#6d7c87;--line:#e5ebef;--bg:#f4f7f9;--card:#fff;--accent:#d6a84f;--success:#16845a;--danger:#c53b3b;--shadow:0 18px 50px rgba(8,43,68,.10);--radius:20px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}.shell{min-height:100vh}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 15% 10%,rgba(214,168,79,.16),transparent 30%),linear-gradient(135deg,#071f32,#0b3a5b 60%,#0f5279)}.login-card{width:min(460px,100%);background:rgba(255,255,255,.98);border-radius:28px;padding:34px;box-shadow:0 28px 80px rgba(0,0,0,.24)}.brand{display:flex;align-items:center;gap:14px}.brand img{width:58px;height:58px;object-fit:contain;border-radius:15px;background:#fff}.brand h1{margin:0;font-size:20px}.brand p{margin:4px 0 0;color:var(--muted);font-size:13px}.login-title{margin:30px 0 6px;font-size:30px;letter-spacing:-.03em}.login-sub{margin:0 0 24px;color:var(--muted)}.field{display:grid;gap:8px;margin:14px 0}.field label{font-size:13px;font-weight:750}.field input,.search-input{width:100%;border:1px solid var(--line);background:#fbfcfd;border-radius:13px;padding:13px 14px;outline:none;transition:.2s}.field input:focus,.search-input:focus{border-color:#6e9bb7;box-shadow:0 0 0 4px rgba(11,58,91,.08)}.primary{border:0;border-radius:13px;padding:13px 18px;background:var(--navy);color:#fff;font-weight:800;box-shadow:0 8px 20px rgba(11,58,91,.18)}.primary:hover{background:var(--navy2)}.secondary{border:1px solid var(--line);border-radius:13px;padding:12px 16px;background:#fff;color:var(--navy);font-weight:750}.danger{color:#a62d2d!important}.demo-note{margin-top:18px;padding:12px 14px;border-radius:12px;background:#f6f8fa;color:#687681;font-size:12px;line-height:1.5}.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:22px 16px;background:var(--navy2);color:#fff;display:flex;flex-direction:column}.side-brand{display:flex;align-items:center;gap:11px;padding:6px 8px 22px}.side-brand img{width:42px;height:42px;object-fit:contain;background:#fff;border-radius:11px}.side-brand strong{font-size:15px}.side-brand small{display:block;color:#a9bdca;margin-top:2px}.nav{display:grid;gap:6px}.nav button{border:0;background:transparent;color:#c9d7df;text-align:left;border-radius:12px;padding:12px 13px;font-weight:700}.nav button.active,.nav button:hover{background:rgba(255,255,255,.10);color:#fff}.side-bottom{margin-top:auto;padding:12px 8px 0;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#9db1bd}.main{min-width:0}.topbar{height:76px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:5}.topbar-title strong{display:block;font-size:17px}.topbar-title span{color:var(--muted);font-size:12px}.user-pill{display:flex;align-items:center;gap:10px}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#e9f0f4;color:var(--navy);font-weight:900}.content{padding:30px;max-width:1500px;margin:auto}.page-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin-bottom:24px}.page-head h2{margin:0;font-size:30px;letter-spacing:-.03em}.page-head p{margin:7px 0 0;color:var(--muted)}.grid{display:grid;gap:18px}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.stat-label{color:var(--muted);font-size:12px;font-weight:700}.stat-value{font-size:28px;font-weight:900;margin-top:8px}.stat-meta{font-size:12px;color:var(--muted);margin-top:6px}.two{grid-template-columns:1.25fr .75fr}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.section-title h3{margin:0;font-size:17px}.upload{border:2px dashed #c9d6df;border-radius:17px;padding:30px;text-align:center;background:#fbfcfd}.upload.drag{border-color:#6e9bb7;background:#f2f7fa}.upload-icon{font-size:32px}.upload h4{margin:10px 0 5px;font-size:18px}.upload p{margin:0 auto 18px;color:var(--muted);max-width:460px;font-size:13px}.file-input{display:none}.preview{overflow:auto;margin-top:18px;border:1px solid var(--line);border-radius:14px}.table{width:100%;border-collapse:collapse;min-width:720px}.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:13px;white-space:nowrap}.table th{background:#f7f9fa;color:#64737e;font-size:11px;text-transform:uppercase;letter-spacing:.05em}.status{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;font-size:11px;font-weight:800}.status.ok{background:#e9f7f1;color:var(--success)}.status.off{background:#fdeeee;color:var(--danger)}.search-box{display:flex;gap:10px}.search-box .search-input{flex:1}.result-card{margin-top:18px}.price{font-size:38px;font-weight:950;color:var(--navy);letter-spacing:-.04em}.details{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:18px}.detail{padding:13px;border:1px solid var(--line);border-radius:13px}.detail small{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;font-weight:800}.detail span{display:block;margin-top:5px;font-weight:800;font-size:13px}.supplier-wrap{max-width:1000px;margin:auto}.supplier-hero{background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff;border-radius:24px;padding:30px;box-shadow:var(--shadow);margin-bottom:20px}.supplier-hero h2{margin:0;font-size:30px}.supplier-hero p{margin:8px 0 0;color:#b9ccd7}.notice{padding:12px 14px;border-radius:12px;background:#f7f9fa;color:#65747e;font-size:12px}.empty{text-align:center;color:var(--muted);padding:30px}.toast{position:fixed;right:20px;bottom:20px;z-index:50;background:#102331;color:#fff;padding:13px 16px;border-radius:12px;box-shadow:0 12px 35px rgba(0,0,0,.2);opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;font-size:13px;font-weight:700}.toast.show{opacity:1;transform:none}.mobile-menu{display:none;border:0;background:transparent;font-size:22px}.modal-backdrop{position:fixed;inset:0;background:rgba(4,20,31,.5);display:grid;place-items:center;padding:20px;z-index:30}.modal{width:min(720px,100%);background:#fff;border-radius:20px;padding:24px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.modal-head{display:flex;justify-content:space-between;gap:15px}.modal-head h3{margin:0}.close{border:0;background:#f2f5f7;border-radius:10px;width:38px;height:38px}.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.notice.warn{background:#fff7e7;color:#815d18}.notice.success{background:#eaf7f1;color:#176a4c}@media(max-width:1000px){.stats{grid-template-columns:repeat(2,1fr)}.two{grid-template-columns:1fr}.details{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-270px;z-index:20;width:250px;transition:.25s}.sidebar.open{left:0}.topbar{padding:0 16px}.mobile-menu{display:block}.content{padding:20px 14px}.page-head{display:block}.page-head h2{font-size:26px}.stats{grid-template-columns:1fr 1fr}.details{grid-template-columns:1fr}.search-box{display:grid}.card{padding:18px}.login-card{padding:25px}.price{font-size:32px}}