.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 0%,rgba(0,212,255,.1) 0%,transparent 60%)}.login-card{width:100%;max-width:400px;display:flex;flex-direction:column;gap:16px}.login-card h1{text-align:center;font-size:24px}.login-desc{text-align:center;color:var(--text-secondary);font-size:14px;margin-bottom:8px}.error{color:#f87171;text-align:center;font-size:14px}:root{--bg-primary: #0a0e17;--bg-secondary: #111827;--bg-elevated: #1a2332;--accent-primary: #00d4ff;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border: rgba(0, 212, 255, .15)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg-primary);color:var(--text-primary)}.gradient-text{background:linear-gradient(135deg,#00d4ff,#6366f1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:20px}.btn-primary{padding:10px 24px;background:linear-gradient(135deg,#00d4ff,#6366f1);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px}.btn-sm{padding:4px 12px;background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary);border-radius:4px;cursor:pointer;font-size:13px}.btn-sm.danger{color:#f87171;border-color:#f871714d}input,textarea,select{width:100%;padding:10px 14px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px;outline:none}.muted{color:var(--text-muted);font-size:14px}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:220px;background:var(--bg-secondary);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column}.admin-sidebar h1{font-size:18px;margin-bottom:24px}.admin-sidebar nav{flex:1;display:flex;flex-direction:column;gap:4px}.admin-sidebar nav a{color:var(--text-secondary);padding:10px 14px;border-radius:8px;font-size:14px;text-decoration:none}.admin-sidebar nav a.active,.admin-sidebar nav a:hover{background:#00d4ff14;color:var(--accent-primary)}.logout-btn{background:none;border:1px solid var(--border);color:var(--text-muted);padding:8px;border-radius:8px;cursor:pointer;font-size:13px}.admin-main{flex:1;padding:32px;overflow-y:auto}.admin-main h2{font-size:22px;margin-bottom:16px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{display:flex;flex-direction:column;gap:8px}.stat-card span{color:var(--text-muted);font-size:13px}.stat-card strong{font-size:28px;color:var(--accent-primary)}.dash-row{display:grid;grid-template-columns:1fr 2fr;gap:16px}.dash-section h3{margin-bottom:12px;font-size:16px}.visit-item{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border)}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.data-table th{color:var(--text-muted);font-weight:500}.config-form{max-width:600px}.form-group{margin-bottom:16px}.form-group label{display:block;color:var(--text-muted);font-size:13px;margin-bottom:6px}.form-inline{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.form-inline input,.form-inline select{flex:1;min-width:120px}.saved-tip{color:#4ade80;margin-left:12px;font-size:14px}@media(max-width:768px){.stat-grid{grid-template-columns:repeat(2,1fr)}.dash-row{grid-template-columns:1fr}.admin-layout{flex-direction:column}.admin-sidebar{width:100%}}