:root{--primary: #4f46e5;--primary-hover: #4338ca;--secondary: #6b7280;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--bg: #f9fafb;--card-bg: #ffffff;--text: #111827;--text-muted: #6b7280;--border: #e5e7eb;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1)}*{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}.app{min-height:100vh;display:flex;flex-direction:column}.navbar{background:var(--card-bg);border-bottom:1px solid var(--border);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.nav-brand{font-size:1.25rem;font-weight:700;color:var(--primary);text-decoration:none}.nav-links{display:flex;gap:1.5rem}.nav-links a{color:var(--text-muted);text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--primary)}main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.footer{text-align:center;padding:1.5rem;color:var(--text-muted);font-size:.875rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.625rem 1.25rem;border-radius:var(--radius);font-weight:500;font-size:.875rem;cursor:pointer;transition:all .2s;border:none;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--secondary);color:#fff}.btn-secondary:hover{background:#4b5563}.btn-sm{padding:.375rem .75rem;font-size:.8rem}.hero{text-align:center;padding:3rem 1rem}.hero h1{font-size:2.5rem;margin-bottom:1rem}.countdown-wrapper{background:var(--card-bg);padding:1.5rem 2rem;border-radius:var(--radius);display:inline-block;box-shadow:var(--shadow);margin:1rem 0}.hero-hint{color:var(--text-muted);margin-top:1rem}.items-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-top:2rem}.item-card{background:var(--card-bg);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}.item-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.item-card.ended{opacity:.7}.item-card .item-image-link{display:block}.item-card .item-image{height:180px;overflow:hidden;background:#f3f4f6;display:flex;align-items:center;justify-content:center}.item-card .item-image img{width:100%;height:100%;object-fit:cover}.item-card .item-image .placeholder{font-size:4rem}.item-card .item-content{padding:1rem}.item-card h3{font-size:1rem;margin-bottom:.5rem}.item-card .bid-row{display:flex;justify-content:space-between;align-items:center;margin:.5rem 0}.item-card .price{font-size:1.25rem;font-weight:700;color:var(--primary)}.item-card .leading-bidder{font-size:.8rem;color:var(--text-muted)}.item-footer{display:flex;justify-content:space-between;align-items:center;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.ended-label{font-size:.8rem;color:var(--danger);font-weight:500}.event-badge{display:inline-block;background:#e0e7ff;color:var(--primary);font-size:.7rem;padding:.2rem .5rem;border-radius:4px;margin-bottom:.5rem}.item-page{max-width:900px;margin:0 auto}.back-link{color:var(--text-muted);text-decoration:none;font-size:.875rem;margin-bottom:1rem;display:inline-block}.back-link:hover{color:var(--primary)}.item-detail{background:var(--card-bg);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.item-detail .item-image-section{position:relative}.item-detail .item-image{width:100%;max-height:400px;object-fit:contain;cursor:pointer}.item-detail .item-image:hover{opacity:.9}.item-detail .item-image-placeholder{height:300px;background:#f3f4f6;display:flex;align-items:center;justify-content:center;font-size:6rem}.qr-btn{position:absolute;bottom:1rem;right:1rem}.qr-display{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;padding:1rem;border-radius:var(--radius);box-shadow:0 4px 20px #0003;text-align:center}.qr-display img{width:200px;height:200px}.qr-display p{margin-top:.5rem;font-size:.875rem}.item-detail .item-info{padding:1.5rem}.item-detail h1{margin-bottom:.5rem}.item-description{color:var(--text-muted);margin:1rem 0}.bid-info{background:#f9fafb;padding:1rem;border-radius:var(--radius);margin:1rem 0}.bid-row{display:flex;justify-content:space-between;padding:.5rem 0}.bid-row.current{border-top:1px solid var(--border);margin-top:.5rem;padding-top:1rem;font-size:1.1rem}.bid-history{margin-top:2rem}.bid-history h3{margin-bottom:.5rem}.bid-history ul{list-style:none}.bid-history li{padding:.5rem 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between}.bid-time{color:var(--text-muted);font-size:.8rem}.auction-ended{background:#fef2f2;color:var(--danger);padding:1.5rem;border-radius:var(--radius);text-align:center;margin-top:1rem}.bid-form{margin-top:1.5rem;padding:1.5rem;background:#f9fafb;border-radius:var(--radius)}.bid-form h3,.form-group{margin-bottom:1rem}.form-group label{display:block;font-weight:500;margin-bottom:.25rem;font-size:.875rem}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.5rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.875rem}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.error-message{background:#fef2f2;color:var(--danger);padding:.75rem;border-radius:var(--radius);margin-bottom:1rem;font-size:.875rem}.success-message{background:#ecfdf5;color:var(--success);padding:.75rem;border-radius:var(--radius);margin-bottom:1rem;font-size:.875rem}.countdown{display:flex;gap:1rem;font-size:1.5rem;font-weight:700}.countdown.ended{color:var(--danger);font-size:1rem}.countdown-unit{text-align:center}.countdown-value{display:block;font-variant-numeric:tabular-nums}.countdown-label{font-size:.6rem;color:var(--text-muted);font-weight:400}.admin-login{max-width:400px;margin:4rem auto;background:var(--card-bg);padding:2rem;border-radius:var(--radius);box-shadow:var(--shadow)}.admin-login h1{text-align:center;margin-bottom:1.5rem}.admin-nav{background:var(--card-bg);border-bottom:1px solid var(--border);padding:.75rem 2rem;display:flex;align-items:center;gap:2rem;margin:-2rem -2rem 2rem}.admin-nav-brand{font-weight:700;color:var(--primary)}.admin-nav-links{display:flex;gap:1.5rem;flex:1}.admin-nav-links a{color:var(--text-muted);text-decoration:none;font-size:.875rem;padding:.5rem 0;border-bottom:2px solid transparent;transition:all .2s}.admin-nav-links a:hover,.admin-nav-links a.active{color:var(--primary);border-bottom-color:var(--primary)}.admin-dashboard h1{margin-bottom:1.5rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--card-bg);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center}.stat-card h3{font-size:2rem;color:var(--primary);margin-bottom:.25rem}.stat-card p{color:var(--text-muted);font-size:.875rem}.dashboard-sections{display:grid;grid-template-columns:2fr 1fr;gap:1.5rem;margin-bottom:2rem}@media (max-width: 768px){.dashboard-sections{grid-template-columns:1fr}}.recent-bids,.top-items{background:var(--card-bg);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow)}.recent-bids h2,.top-items h2{margin-bottom:1rem;font-size:1rem}table{width:100%;border-collapse:collapse;font-size:.875rem}th,td{text-align:left;padding:.75rem;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--text-muted);font-size:.75rem;text-transform:uppercase}.top-items ul{list-style:none}.top-items li{padding:.75rem 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.top-items .price{font-weight:700;color:var(--primary)}.top-items .bidder{font-size:.8rem;color:var(--text-muted)}.quick-actions{display:flex;gap:1rem;flex-wrap:wrap}.settings-section{background:var(--card-bg);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1.5rem}.settings-section h2{margin-bottom:1rem}.interval-msg{font-size:.875rem;color:var(--success)}.settings-note{margin-top:.75rem;font-size:.8rem;color:var(--text-muted)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.page-header h1{margin:0}.item-form{background:var(--card-bg);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1.5rem}.item-form h2{margin-bottom:1rem}.items-table tr.archived{opacity:.5}.items-table .current-bid{color:var(--primary);font-weight:700}.items-table .actions{display:flex;gap:.5rem}.items-table .actions button{padding:.25rem .5rem;font-size:.75rem;border:none;background:var(--secondary);color:#fff;border-radius:4px;cursor:pointer}.items-table .actions button.delete{background:var(--danger)}.items-table .bids-row{background:#f9fafb}.items-table .bids-row td{padding:1rem}.item-bids-panel{background:#fff;padding:1rem;border-radius:var(--radius);border:1px solid var(--border)}.item-bids-panel h4{margin-bottom:1rem}.bids-subtable{width:100%;font-size:.8rem}.bids-subtable th{background:#f3f4f6}.bids-subtable .bid-amount{font-weight:700;color:var(--primary)}.btn-delete{padding:.25rem .5rem;font-size:.75rem;border:none;background:var(--danger);color:#fff;border-radius:4px;cursor:pointer}.badge{display:inline-block;padding:.2rem .5rem;border-radius:4px;font-size:.7rem;font-weight:500}.badge-warning{background:#fef3c7;color:#92400e}.badge-success{background:#d1fae5;color:#065f46}.badge-danger{background:#fee2e2;color:#991b1b}.bidders-summary{display:flex;gap:2rem;margin-bottom:1.5rem;color:var(--text-muted)}.bidders-table td a{color:var(--primary)}.bidders-table button{padding:.25rem .5rem;font-size:.75rem;border:none;background:var(--secondary);color:#fff;border-radius:4px;cursor:pointer}.bidder-bids{margin-top:1.5rem;background:var(--card-bg);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow)}.email-form{background:var(--card-bg);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1.5rem}.email-preview{background:var(--card-bg);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow)}.email-preview h2{margin-bottom:.5rem}.recipient-count{color:var(--text-muted);margin-bottom:1rem}.preview-html{background:#f9fafb;padding:1rem;border-radius:var(--radius);margin-bottom:1rem;border:1px solid var(--border)}.preview-html h2{font-size:1.25rem;margin-bottom:.5rem}.loading{text-align:center;padding:3rem;color:var(--text-muted)}.error{background:#fef2f2;color:var(--danger);padding:1rem;border-radius:var(--radius);margin-bottom:1rem}.admin-notifications{max-width:900px}.notifications-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding:1rem;background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow)}.notifications-list{display:flex;flex-direction:column;gap:1rem}.bidder-notification{background:var(--card-bg);padding:1rem;border-radius:var(--radius);box-shadow:var(--shadow)}.bidder-header{display:flex;gap:1rem;align-items:center;margin-bottom:.75rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}.bidder-header span{color:var(--text-muted);font-size:.875rem}.item-list{list-style:none;padding-left:1rem}.item-list li{display:flex;gap:1rem;padding:.25rem 0;font-size:.875rem}.item-list .item-name{font-weight:500;flex:1}.item-list .outbid-amount{color:var(--danger);font-weight:500}.item-list .queued-time{color:var(--text-muted);font-size:.75rem}.admin-notifications .note{margin-top:1.5rem;font-size:.8rem;color:var(--text-muted)}