*{box-sizing:border-box} :root{--bg:#f5f7fa;--panel:#fff;--text:#18212f;--muted:#718096;--border:#e2e8f0;--dark:#111827;--accent:#2563eb;--accent-dark:#1d4ed8;--success:#137333;--warning:#9a6700;--danger:#b42318} body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)} a{color:inherit;text-decoration:none}.topbar{min-height:68px;background:var(--dark);color:#fff;display:flex;align-items:center;gap:28px;padding:0 28px;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:baseline;gap:9px;min-width:205px}.brand strong{letter-spacing:.08em}.brand span{color:#aab4c4;font-size:13px}.topbar nav{display:flex;gap:6px;flex:1}.topbar nav a{padding:10px 12px;border-radius:8px;color:#dbe3ef;font-size:14px}.topbar nav a:hover{background:#1f2937;color:#fff}.userbox{display:flex;align-items:center;gap:14px;font-size:14px}.userbox form{margin:0}.linkbtn{border:0;background:transparent;color:#cbd5e1;cursor:pointer;padding:0}.page{max-width:1320px;margin:0 auto;padding:32px 28px 60px}.page-header{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:24px}.page-header h1{margin:0 0 4px;font-size:28px}.page-header p{margin:0;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px}.metric-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:8px}.metric-card span{color:var(--muted);font-size:13px}.metric-card strong{font-size:30px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden}.panel-header{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.panel-header h2{margin:0;font-size:18px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:14px 16px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle;font-size:14px}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;background:#fafbfc}tbody tr:last-child td{border-bottom:0}.muted{color:var(--muted);font-size:12px;margin-top:3px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 15px;border-radius:9px;border:1px solid transparent;font-weight:650;font-size:14px;cursor:pointer}.button.primary{background:var(--accent);color:#fff}.button.primary:hover{background:var(--accent-dark)}.button.secondary{background:#fff;color:var(--text);border-color:var(--border)}.button.small{min-height:34px;padding:0 11px;font-size:12px}.button.full{width:100%}.actions{display:flex;gap:8px;align-items:center}.actions form{margin:0}.status{display:inline-block;padding:5px 9px;border-radius:999px;background:#edf2f7;font-size:12px;white-space:nowrap}.status-display_confirmed,.status-online{background:#e8f5ec;color:var(--success)}.status-pending,.status-sent,.status-ble_written,.status-confirming{background:#fff7dd;color:var(--warning)}.status-display_error,.status-confirmation_timeout,.status-offline{background:#fdecec;color:var(--danger)}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.product-card{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}.product-image{height:190px;background:#eef2f6;display:flex;align-items:center;justify-content:center;color:var(--muted)}.product-image img{width:100%;height:100%;object-fit:contain;background:#fff}.product-body{padding:18px}.product-body h2{margin:4px 0;font-size:19px}.eyebrow{color:var(--accent);font-size:12px;font-weight:750;text-transform:uppercase}.price-row{display:flex;gap:9px;align-items:center;margin:16px 0 12px}.price-row strong{font-size:21px}.old-price{color:var(--muted);text-decoration:line-through}.promo-badge{background:#fee2e2;color:#991b1b;padding:4px 6px;border-radius:6px;font-size:10px;font-weight:800}.product-meta{color:var(--muted);font-size:12px;margin-bottom:16px}.form-panel{padding:22px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.span-2{grid-column:span 2}label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:650}input,textarea,select{width:100%;border:1px solid #cbd5e1;border-radius:9px;padding:11px 12px;font:inherit;color:var(--text);background:#fff}input:focus,textarea:focus,select:focus{outline:2px solid #bfdbfe;border-color:#60a5fa}.check-line{flex-direction:row;align-items:center;gap:9px}.check-line input{width:auto}.form-actions{display:flex;justify-content:flex-end;margin-top:22px}.current-image{margin-top:20px;border:1px solid var(--border);border-radius:12px;padding:12px;max-width:360px}.current-image img{width:100%;max-height:220px;object-fit:contain}.tag-state-box{margin-top:22px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tag-state-box>div{background:#f8fafc;border:1px solid var(--border);border-radius:10px;padding:15px}.tag-state-box span{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}.flash-stack{margin-bottom:18px;display:grid;gap:8px}.flash{border-radius:9px;padding:12px 14px;border:1px solid transparent}.flash-success{background:#edf8f0;border-color:#c9ead2;color:var(--success)}.flash-danger{background:#fef0f0;border-color:#f8cccc;color:var(--danger)}.flash-warning{background:#fff8df;border-color:#f4df9b;color:var(--warning)}.login-page{min-height:100vh;display:grid;place-items:center;padding:30px;background:radial-gradient(circle at top left,#263247,#101722 60%)}.login-card{width:min(420px,100%);background:#fff;border-radius:16px;padding:34px;box-shadow:0 24px 70px rgba(0,0,0,.28)}.login-brand{font-size:28px;font-weight:850;letter-spacing:.1em}.login-subtitle{color:var(--muted);margin:3px 0 26px}.form-stack{display:grid;gap:16px}.empty,.empty-state{color:var(--muted);text-align:center}.empty-state{padding:60px 20px;background:#fff;border:1px solid var(--border);border-radius:14px}small{color:var(--muted);font-weight:400}@media(max-width:1000px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar nav{overflow-x:auto}.userbox span{display:none}}@media(max-width:700px){.topbar{align-items:flex-start;flex-wrap:wrap;gap:10px;padding:14px 18px}.brand{min-width:auto}.topbar nav{order:3;width:100%}.page{padding:22px 14px 45px}.page-header{flex-direction:column}.cards,.product-grid,.form-grid,.tag-state-box{grid-template-columns:1fr}.span-2{grid-column:span 1}}.button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}