:root {
  --bg: #0f1117;
  --surface: #1a1d26;
  --surface2: #232636;
  --border: #2e3249;
  --text: #e8eaf0;
  --text-muted: #8b90a8;
  --accent: #4f6ef7;
  --accent-hover: #3a56e0;
  --success: #34c759;
  --danger: #ff453a;
  --warning: #ff9f0a;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(0,0,0,.4);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover)}
img{max-width:100%}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
.hflex{display:flex;align-items:center;gap:16px}
.text-center{text-align:center}

/* Header */
.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;padding:0 0}
.site-header .hflex{justify-content:space-between;height:64px}
.logo{font-size:1.3rem;font-weight:700;color:var(--text)}
.logo span{color:var(--accent);margin-left:2px}
.main-nav{display:flex;align-items:center;gap:20px;font-size:.9rem}
.main-nav a{color:var(--text-muted)}
.main-nav a:hover{color:var(--text)}

/* Buttons */
.btn-primary,.btn-outline{display:inline-block;padding:8px 20px;border-radius:6px;font-weight:600;font-size:.875rem;cursor:pointer;transition:.2s;border:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);color:#fff}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:12px 28px;font-size:1rem}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#cc362e}

/* Hero */
.hero{background:linear-gradient(135deg,#0f1117 0%,#1a1d36 60%,#0f1117 100%);padding:80px 0;text-align:center}
.hero h1{font-size:2.6rem;font-weight:700;margin-bottom:16px;line-height:1.2}
.hero p{font-size:1.15rem;color:var(--text-muted);max-width:600px;margin:0 auto 32px}
.hero .btn-primary,.hero .btn-outline{margin:6px}

/* Stats */
.stats-bar{background:var(--surface2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:20px 0}
.stats-grid{justify-content:space-around;flex-wrap:wrap;gap:16px}
.stat{text-align:center}
.stat strong{display:block;font-size:1.6rem;font-weight:700;color:var(--accent)}
.stat span{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}

/* Section */
.section{padding:60px 0}
.section-alt{background:var(--surface)}
.section-header{justify-content:space-between}
.section-header h2{font-size:1.5rem}
.link-more{font-size:.9rem;color:var(--accent)}

/* Lot grid */
.lot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:24px}
.lot-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.lot-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.lot-card-img{width:100%;height:180px;object-fit:cover;background:var(--surface2)}
.lot-card-img-placeholder{height:180px;background:var(--surface2);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:2rem}
.lot-card-body{padding:16px;flex:1;display:flex;flex-direction:column;gap:6px}
.lot-code{font-size:.75rem;color:var(--text-muted);font-family:monospace}
.lot-title{font-weight:600;font-size:.95rem;line-height:1.3}
.lot-meta{font-size:.8rem;color:var(--text-muted);display:flex;gap:12px;flex-wrap:wrap}
.condition-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:.7rem;font-weight:700;text-transform:uppercase}
.grade-A{background:#34c75922;color:var(--success)}
.grade-B{background:#4f6ef722;color:var(--accent)}
.grade-C{background:#ff9f0a22;color:var(--warning)}
.grade-salvage{background:#ff453a22;color:var(--danger)}
.lot-price{margin-top:auto;padding-top:10px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:flex-end}
.current-bid{font-size:1.2rem;font-weight:700;color:var(--success)}
.bid-count{font-size:.78rem;color:var(--text-muted)}
.ends-label{font-size:.75rem;color:var(--warning)}

/* How it works */
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-top:36px}
.step{text-align:center;padding:24px}
.step-num{width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;font-size:1.4rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.step h3{font-size:1rem;margin-bottom:8px}
.step p{font-size:.875rem;color:var(--text-muted)}

/* Forms */
.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:36px;max-width:480px;margin:40px auto}
.form-card h2{margin-bottom:24px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:10px 14px;color:var(--text);font-size:.9rem;outline:none;transition:.15s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent)}
.form-group textarea{min-height:100px;resize:vertical}
.form-error{color:var(--danger);font-size:.82rem;margin-top:4px}
.form-submit{width:100%;padding:12px;margin-top:8px}

/* Lot detail */
.lot-detail-grid{display:grid;grid-template-columns:1fr 360px;gap:32px;margin-top:32px}
.lot-images{border-radius:var(--radius);overflow:hidden;background:var(--surface2)}
.lot-main-img{width:100%;height:360px;object-fit:cover}
.lot-sidebar{display:flex;flex-direction:column;gap:16px}
.bid-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.current-price{font-size:2rem;font-weight:700;color:var(--success);margin:8px 0}
.bid-input-row{display:flex;gap:8px;margin-top:16px}
.bid-input-row input{flex:1}
.countdown{font-size:1rem;color:var(--warning);font-weight:600}

/* Dashboard */
.dashboard-grid{display:grid;grid-template-columns:240px 1fr;gap:32px;margin-top:32px}
.sidebar-nav{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;height:fit-content}
.sidebar-nav a{display:block;padding:10px 14px;border-radius:6px;color:var(--text-muted);font-size:.9rem}
.sidebar-nav a:hover,.sidebar-nav a.active{background:var(--surface2);color:var(--text)}

/* Table */
.data-table{width:100%;border-collapse:collapse;font-size:.875rem}
.data-table th{text-align:left;padding:10px 14px;border-bottom:2px solid var(--border);color:var(--text-muted);font-weight:600}
.data-table td{padding:10px 14px;border-bottom:1px solid var(--border)}
.data-table tr:hover td{background:var(--surface2)}

/* Alerts */
.alert{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:.875rem}
.alert-success{background:#34c75920;border:1px solid var(--success);color:var(--success)}
.alert-error{background:#ff453a20;border:1px solid var(--danger);color:var(--danger)}

/* Status badges */
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:.75rem;font-weight:600}
.badge-live{background:#34c75922;color:var(--success)}
.badge-draft{background:#8b90a820;color:var(--text-muted)}
.badge-ended{background:#ff9f0a22;color:var(--warning)}
.badge-won{background:#4f6ef722;color:var(--accent)}
.badge-cancelled{background:#ff453a22;color:var(--danger)}

/* Loading */
.loading{color:var(--text-muted);text-align:center;padding:40px}
.empty{color:var(--text-muted);text-align:center;padding:40px}
.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Page header */
.page-header{padding:32px 0 24px;border-bottom:1px solid var(--border);margin-bottom:32px}
.page-header h1{font-size:1.8rem}

/* Footer */
.site-footer{background:var(--surface);border-top:1px solid var(--border);margin-top:60px;padding:32px 0 16px}
.footer-inner{justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:24px}
.logo-text{font-size:1.1rem;font-weight:700;display:block;margin-bottom:6px}
.footer-nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-nav a{color:var(--text-muted);font-size:.875rem}
.footer-nav a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border);padding-top:16px;font-size:.8rem;color:var(--text-muted)}

/* Responsive */
@media(max-width:768px){
  .hero h1{font-size:1.8rem}
  .lot-detail-grid,.dashboard-grid{grid-template-columns:1fr}
  .stats-grid{justify-content:center}
}