*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--navy: #1a365d;--navy-light: #2a4a7f;--gold: #c9a84c;--gold-light: #e8d48b;--blue: #2d8cf0;--blue-hover: #1a6fd4;--bg: #f4f5f7;--card: #ffffff;--text: #2d3748;--text-light: #718096;--border: #e2e8f0;--success: #38a169;--success-light: #c6f6d5;--danger: #e53e3e;--danger-light: #fed7d7;--warning: #d69e2e;--warning-light: #fefcbf;--radius: 12px;--shadow: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 8px 30px rgba(0,0,0,.12)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit;font-size:.95rem;border:none;border-radius:8px;padding:10px 20px;font-weight:600;transition:all .2s}input,select,textarea{font-family:inherit;font-size:.95rem;padding:10px 14px;border:2px solid var(--border);border-radius:8px;outline:none;transition:border-color .2s;width:100%}input:focus,select:focus,textarea:focus{border-color:var(--blue)}.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-hover);transform:translateY(-1px)}.btn-gold{background:var(--gold);color:var(--navy)}.btn-gold:hover{background:var(--gold-light)}.btn-navy{background:var(--navy);color:#fff}.btn-navy:hover{background:var(--navy-light)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#2f855a}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#c53030}.btn-outline{background:transparent;color:var(--text);border:2px solid var(--border)}.btn-outline:hover{border-color:var(--blue);color:var(--blue)}.btn-sm{padding:6px 14px;font-size:.85rem}.btn-lg{padding:14px 32px;font-size:1.1rem}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.container{max-width:1200px;margin:0 auto;padding:0 20px}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:8px}.gap-md{gap:16px}.gap-lg{gap:24px}.text-center{text-align:center}.text-sm{font-size:.85rem}.text-light{color:var(--text-light)}.mt-sm{margin-top:8px}.mt-md{margin-top:16px}.mt-lg{margin-top:24px}.mb-md{margin-bottom:16px}.mb-lg{margin-bottom:24px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-weight:600;font-size:.9rem;color:var(--text)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 600px){.form-row{grid-template-columns:1fr}}.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.badge-live{background:var(--success-light);color:var(--success)}.badge-closed{background:var(--danger-light);color:var(--danger)}.badge-setup{background:var(--warning-light);color:var(--warning)}.badge-preview{background:#e9d8fd;color:#6b46c1}.badge-silent{background:var(--navy);color:var(--gold)}.badge-paid{background:var(--success-light);color:var(--success)}.badge-unpaid{background:var(--warning-light);color:var(--warning)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}th{font-size:.8rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-light);font-weight:600}tr:hover{background:#f7fafc}.tabs{display:flex;gap:4px;border-bottom:2px solid var(--border);padding-bottom:0}.tab{padding:10px 20px;font-weight:600;color:var(--text-light);border-bottom:3px solid transparent;margin-bottom:-2px;background:none;border-radius:0;cursor:pointer;transition:all .2s}.tab:hover{color:var(--text)}.tab.active{color:var(--blue);border-bottom-color:var(--blue)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;padding:32px}.modal h2{margin-bottom:20px}.toast{position:fixed;bottom:24px;right:24px;z-index:2000;padding:14px 24px;border-radius:10px;color:#fff;font-weight:600;box-shadow:var(--shadow-lg);animation:slideIn .3s ease}.toast-success{background:var(--success)}.toast-error{background:var(--danger)}@keyframes slideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:#fff;padding:80px 20px;text-align:center}.hero h1{font-size:3rem;margin-bottom:16px}.hero p{font-size:1.2rem;opacity:.9;max-width:600px;margin:0 auto 32px}@media (max-width: 600px){.hero h1{font-size:2rem}.hero p{font-size:1rem}}.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;margin:40px 0}.feature-card{background:var(--card);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);text-align:center;transition:transform .2s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.feature-icon{font-size:2.5rem;margin-bottom:16px}.feature-card h3{margin-bottom:8px;color:var(--navy)}.feature-card p{color:var(--text-light);font-size:.95rem}.pricing-section{background:var(--navy);color:#fff;padding:60px 20px;text-align:center}.pricing-card{background:#fff;color:var(--text);border-radius:var(--radius);padding:40px;max-width:400px;margin:24px auto;box-shadow:var(--shadow-lg)}.pricing-card .price{font-size:3rem;font-weight:800;color:var(--navy)}.pricing-card .price span{font-size:1rem;font-weight:400;color:var(--text-light)}.pricing-card ul{list-style:none;text-align:left;margin:24px 0}.pricing-card li{padding:8px 0;border-bottom:1px solid var(--border)}.pricing-card li:before{content:"✓ ";color:var(--success);font-weight:700}.landing-nav{background:var(--navy);padding:16px 20px;display:flex;align-items:center;justify-content:space-between}.landing-nav .logo{color:#fff;font-weight:800;font-size:1.2rem}.landing-nav .logo span{color:var(--gold)}.landing-nav a{color:#fffc;font-weight:500}.landing-nav a:hover{color:#fff;text-decoration:none}.admin-header{background:var(--navy);color:#fff;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}.admin-header h1{font-size:1.2rem}.admin-body{padding:24px;max-width:1200px;margin:0 auto}.bid-header{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:#fff;padding:24px;text-align:center}.bid-header h1{font-size:1.8rem}.bid-header .countdown{font-size:1.4rem;color:var(--gold);font-weight:700;margin-top:8px}.item-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s}.item-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.item-card-img{width:100%;height:200px;object-fit:cover;background:var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:3rem}.item-card-body{padding:20px}.item-card-body h3{margin-bottom:8px}.item-card-body .item-meta{display:flex;gap:12px;margin:8px 0;flex-wrap:wrap}.item-card-body .item-price{font-size:1.3rem;font-weight:700;color:var(--navy);margin:12px 0}.display-mode{background:var(--navy);color:#fff;min-height:100vh;display:flex;flex-direction:column}.display-header{text-align:center;padding:40px 20px 20px}.display-header h1{font-size:3rem;color:var(--gold)}.display-header .timer{font-size:2rem;margin-top:10px}.display-items{flex:1;display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;padding:24px 40px}.display-item{background:#ffffff14;border-radius:var(--radius);padding:24px;border:2px solid rgba(255,255,255,.1)}.display-item h3{color:var(--gold);font-size:1.3rem;margin-bottom:8px}.display-item .bid-count{font-size:2rem;font-weight:800}.display-footer{text-align:center;padding:24px;font-size:1.2rem;color:var(--gold);border-top:2px solid rgba(255,255,255,.1)}.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);padding:20px}.login-box{background:var(--card);border-radius:var(--radius);padding:40px;max-width:400px;width:100%;box-shadow:var(--shadow-lg);text-align:center}.login-box h2{color:var(--navy);margin-bottom:8px}.login-box .subtitle{color:var(--text-light);margin-bottom:24px}.qr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.qr-card{text-align:center;padding:20px;background:#fff;border-radius:var(--radius)}.qr-card img{margin:12px auto}.qr-card h4{margin-bottom:4px}.category-filters{display:flex;gap:8px;flex-wrap:wrap;padding:16px 0}.cat-btn{padding:8px 16px;border-radius:20px;font-size:.85rem;font-weight:600;background:var(--card);border:2px solid var(--border);color:var(--text);cursor:pointer;transition:all .2s}.cat-btn:hover{border-color:var(--blue);color:var(--blue)}.cat-btn.active{background:var(--navy);color:#fff;border-color:var(--navy)}@media (max-width: 768px){.admin-body{padding:16px}.form-row,.grid-2,.grid-3{grid-template-columns:1fr}.display-items{grid-template-columns:1fr;padding:16px}.tabs{overflow-x:auto}.admin-header{flex-wrap:wrap;gap:12px;padding:12px 16px}.admin-header h1{font-size:1rem}th,td{padding:8px 12px;font-size:.85rem}}@media (max-width: 480px){.hero{padding:40px 16px}.hero h1{font-size:1.6rem}.hero p{font-size:.9rem}.bid-header{padding:16px}.bid-header h1{font-size:1.4rem}.display-header{padding:20px 16px 12px}.display-header h1{font-size:2rem}.display-item .bid-count{font-size:1.5rem}.display-footer{font-size:1rem;padding:16px}.pricing-section{padding:40px 16px}.pricing-card{padding:24px}.pricing-card .price{font-size:2.2rem}.modal{padding:20px;margin:12px}.card{padding:16px}.landing-nav{padding:12px 16px}.landing-nav .logo{font-size:1rem}.feature-card{padding:20px}.container{padding:0 16px}.btn-lg{padding:12px 24px;font-size:1rem}.tab{padding:8px 14px;font-size:.85rem}th,td{padding:6px 8px;font-size:.8rem}}