:root{--primary: #3b82f6;--primary-light: #dbeafe;--bg: #f5f6f8;--card: #ffffff;--text: #1e293b;--text-muted: #94a3b8;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--border: #e5e7eb;--accent: #6366f1;--sidebar: #1e293b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,sans-serif;background:var(--bg);color:var(--text)}.layout{display:flex;min-height:100vh}.sidebar{width:210px;background:var(--sidebar);color:#cbd5e1;flex-shrink:0;display:flex;flex-direction:column;padding:18px 0}.sidebar .brand{font-size:18px;font-weight:700;color:#fff;padding:0 20px 18px}.sidebar .brand span{color:var(--primary)}.sidebar .nav-link{display:flex;align-items:center;gap:10px;padding:11px 20px;color:#cbd5e1;text-decoration:none;font-size:14px;cursor:pointer}.sidebar .nav-link:hover{background:#ffffff0f}.sidebar .nav-link.active{background:var(--primary);color:#fff}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.topbar .title{font-size:16px;font-weight:600}.content{padding:24px;flex:1}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px}.stat-card .label{font-size:13px;color:var(--text-muted)}.stat-card .value{font-size:26px;font-weight:800;margin-top:6px}.stat-card .value.primary{color:var(--primary)}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px}.card-title{font-size:15px;font-weight:600;margin-bottom:16px}.table{width:100%;border-collapse:collapse;font-size:13px}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}.table th{color:var(--text-muted);font-weight:600;background:#fafbfc}.table tr:hover td{background:#fafbfc}.btn{padding:8px 16px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--primary)}.btn-danger{background:var(--danger)}.btn-success{background:var(--success)}.btn-sm{padding:5px 10px;font-size:12px}.btn+.btn{margin-left:6px}.input,.select{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px;width:100%}.input:focus,.select:focus{outline:none;border-color:var(--primary)}.field{margin-bottom:14px}.field label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:5px}.chip{display:inline-block;font-size:11px;padding:2px 8px;border-radius:6px}.chip.pending{background:#fef3c7;color:var(--warning)}.chip.paid{background:#f0fdf4;color:var(--success)}.chip.cancelled{background:#f1f5f9;color:var(--text-muted)}.chip.refunded{background:#fee2e2;color:var(--danger)}.chip.on{background:#f0fdf4;color:var(--success)}.chip.off{background:#f1f5f9;color:var(--text-muted)}.muted{color:var(--text-muted)}.row{display:flex;align-items:center;gap:8px}.empty{text-align:center;color:var(--text-muted);padding:40px 0}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:var(--card);border-radius:12px;padding:24px;width:420px;max-width:92%}.modal-title{font-size:16px;font-weight:700;margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.toast{position:fixed;top:18px;right:18px;background:#1e293beb;color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;z-index:100}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 50% -10%,#1e3a8a,#0f172a 60%)}.login-box{background:#1e293bb3;border:1px solid rgba(148,163,184,.2);border-radius:16px;padding:36px;width:360px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.login-box .brand{font-size:24px;font-weight:800;color:#fff;margin-bottom:4px}.login-box .brand span{color:#60a5fa}.login-box .sub{color:#94a3b8;font-size:13px;margin-bottom:24px}.login-box label{color:#cbd5e1}.login-box .input{background:#0f172a99;border-color:#94a3b840;color:#fff}.login-box .btn{width:100%;margin-top:8px;padding:11px}