:root{--primary: #3B82F6;--primary-light: #60A5FA;--accent: #FF6B35;--accent-light: #FF8C5A;--bg: #0F172A;--bg-card: #1E293B;--bg-card-hover: #273449;--bg-input: #0F172A;--text: #E2E8F0;--text-secondary: #94A3B8;--text-muted: #64748B;--border: #334155;--border-light: #475569;--danger: #EF4444;--danger-bg: rgba(239,68,68,.1);--success: #10B981;--success-bg: rgba(16,185,129,.1);--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 20px rgba(0,0,0,.3);--shadow-lg: 0 8px 40px rgba(0,0,0,.4);--glow-blue: 0 0 20px rgba(59,130,246,.15);--glow-orange: 0 0 20px rgba(255,107,53,.15)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e293b 40%,#172033);position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(59,130,246,.1) 0%,transparent 70%);top:-100px;right:-100px;border-radius:50%}.login-page:after{content:"";position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(255,107,53,.08) 0%,transparent 70%);bottom:-50px;left:-50px;border-radius:50%}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:48px 40px;width:100%;max-width:400px;box-shadow:var(--shadow-lg),var(--glow-blue);text-align:center;position:relative;z-index:1;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.login-card h1{font-size:32px;font-weight:800;background:linear-gradient(135deg,#3b82f6,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px}.login-subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:32px}.form-group{margin-bottom:20px;text-align:left}.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 14px;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;outline:none;transition:all .2s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3b82f626}.form-group input::placeholder{color:var(--text-muted)}.form-error{color:var(--danger);font-size:13px;margin-bottom:12px;text-align:center;padding:8px;background:var(--danger-bg);border-radius:6px}.btn-primary{width:100%;padding:12px 24px;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:all .3s;position:relative;overflow:hidden}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px #3b82f666}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-logout{background:transparent;border:1px solid var(--danger);color:var(--danger);padding:6px 16px;border-radius:var(--radius-sm);font-size:13px;cursor:pointer;transition:all .2s}.btn-logout:hover{background:var(--danger);color:#fff}.top-nav{display:flex;align-items:center;justify-content:space-between;padding:0 32px;height:64px;background:#1e293bcc;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:sticky;top:0;z-index:100}.nav-brand{font-size:20px;font-weight:800;text-decoration:none;background:linear-gradient(135deg,#3b82f6,#ff6b35);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-links{display:flex;align-items:center;gap:24px}.nav-links a{text-decoration:none;color:var(--text-secondary);font-size:14px;font-weight:500;padding:4px 0;border-bottom:2px solid transparent;transition:all .2s}.nav-links a:hover{color:var(--text)}.nav-links a.active{color:var(--primary);border-bottom-color:var(--primary)}.nav-user{font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:8px}.nav-badge{background:#3b82f626;color:var(--primary-light);font-size:11px;font-weight:600;padding:2px 10px;border-radius:10px;border:1px solid rgba(59,130,246,.3)}.main-content{max-width:1280px;margin:0 auto;padding:32px 24px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}.page-header h2{font-size:24px;font-weight:700;background:linear-gradient(135deg,#e2e8f0,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.page-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.search-input{padding:9px 16px;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;outline:none;width:220px;transition:all .2s}.search-input:focus{border-color:var(--primary);box-shadow:var(--glow-blue)}.search-input::placeholder{color:var(--text-muted)}.page-actions select{padding:9px 16px;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;outline:none;cursor:pointer}.btn-add{padding:9px 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8px;border-radius:4px}.product-info{padding:14px 16px}.product-info h3{font-size:15px;font-weight:600;color:var(--text);margin-bottom:6px}.product-meta{display:flex;gap:6px;margin-bottom:6px;flex-wrap:wrap}.tag{background:#3b82f61a;color:var(--primary-light);font-size:11px;padding:2px 8px;border-radius:4px;border:1px solid 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8px}.picker-item{padding:14px;font-size:14px}.q-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -18px;padding:0 18px}.q-table{min-width:600px;font-size:12px}.q-table thead th{padding:6px 5px;font-size:10px}.q-table tbody td{padding:8px 5px;font-size:12px}.room-header{flex-wrap:wrap;gap:6px}.q-summary{padding:14px;font-size:13px}.q-summary-row{font-size:13px}.q-summary-final{font-size:16px}.pagination{gap:10px;flex-wrap:wrap}.pagination button{min-height:40px}.section-title{margin:16px 0 10px;font-size:13px}.login-card{margin:20px;padding:36px 24px}.login-card h1{font-size:26px}}@media (max-width: 400px){.dashboard-grid{grid-template-columns:1fr 1fr;gap:8px}.stat-card{padding:12px}.stat-card .stat-value{font-size:18px}}