:root{--bg:#f5f7fb;--card:#ffffff;--text:#1f2937;--muted:#6b7280;--primary:#111827;--accent:#b45309;--border:#e5e7eb;--success:#16a34a;--danger:#dc2626;--warning:#d97706;--info:#2563eb}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.app{display:flex;min-height:100vh}.sidebar{width:260px;background:#111827;color:#fff;position:fixed;top:0;bottom:0;left:0;overflow:auto}.brand{display:flex;gap:12px;align-items:center;padding:20px;border-bottom:1px solid rgba(255,255,255,.08)}.logo{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#f59e0b,#78350f);display:flex;align-items:center;justify-content:center;font-weight:800}.brand small{display:block;color:#cbd5e1;margin-top:3px}.sidebar nav{padding:12px}.sidebar nav a{display:block;padding:11px 12px;border-radius:12px;color:#e5e7eb;margin-bottom:4px}.sidebar nav a:hover{background:rgba(255,255,255,.1)}.sidebar .logout{background:#7f1d1d;color:#fff;margin-top:14px}.nav-section{font-size:11px;color:#9ca3af;margin:18px 12px 7px;letter-spacing:.08em}.main{margin-left:260px;flex:1;padding:24px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:18px}.topbar h1{margin:0;font-size:25px}.topbar p{margin:6px 0 0;color:var(--muted)}.userbox{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:12px 16px;text-align:right;box-shadow:0 8px 24px rgba(15,23,42,.04)}.userbox small{display:block;color:var(--muted);margin-top:4px}.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:18px;margin-bottom:18px;box-shadow:0 8px 24px rgba(15,23,42,.04)}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{border-left:5px solid var(--accent)}.stat small{color:var(--muted)}.stat h2{margin:8px 0 0;font-size:26px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{border-bottom:1px solid var(--border);padding:10px;text-align:left;vertical-align:top}.table th{font-size:13px;color:#374151;background:#f9fafb}.table tr:hover td{background:#fffbeb}.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:12px;background:#e5e7eb}.badge.success{background:#dcfce7;color:#166534}.badge.danger{background:#fee2e2;color:#991b1b}.badge.warning{background:#fef3c7;color:#92400e}.badge.info{background:#dbeafe;color:#1e40af}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-group{margin-bottom:13px}.form-group label{display:block;font-weight:700;margin-bottom:6px;font-size:14px}.form-control,select,textarea,input[type=text],input[type=password],input[type=number],input[type=date],input[type=email]{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:#fff;color:#111827}textarea{min-height:90px}.btn{display:inline-block;border:0;border-radius:12px;padding:10px 14px;font-weight:700;cursor:pointer;background:#e5e7eb;color:#111827}.btn-primary{background:#111827;color:#fff}.btn-accent{background:#b45309;color:#fff}.btn-danger{background:#dc2626;color:#fff}.btn-success{background:#16a34a;color:#fff}.btn-warning{background:#d97706;color:#fff}.btn-sm{padding:7px 10px;border-radius:10px;font-size:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.alert{padding:12px 14px;border-radius:14px;margin-bottom:16px;border:1px solid transparent}.alert-success{background:#dcfce7;color:#166534;border-color:#bbf7d0}.alert-danger{background:#fee2e2;color:#991b1b;border-color:#fecaca}.alert-warning{background:#fef3c7;color:#92400e;border-color:#fde68a}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top,#fef3c7,#f5f7fb 42%,#e5e7eb)}.login-card{width:410px;max-width:92%;background:#fff;border-radius:24px;padding:28px;border:1px solid var(--border);box-shadow:0 20px 70px rgba(15,23,42,.15)}.login-logo{width:64px;height:64px;border-radius:20px;background:linear-gradient(135deg,#f59e0b,#78350f);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:22px;margin-bottom:15px}.login-card h1{margin:0 0 6px}.login-card p{color:var(--muted);margin-top:0}.muted{color:var(--muted)}.right{text-align:right}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.cart-total{font-size:24px;font-weight:900}.kbd{font-family:monospace;background:#f3f4f6;border:1px solid var(--border);border-radius:6px;padding:2px 6px}@media(max-width:900px){.sidebar{position:relative;width:100%;height:auto}.app{display:block}.main{margin-left:0;padding:16px}.grid-2,.grid-3,.grid-4,.form-row{grid-template-columns:1fr}.topbar{display:block}.userbox{text-align:left;margin-top:12px}}