:root{--bg: #0f1117;--bg-card: #1a1d27;--bg-input: #242734;--border: #2e3144;--text: #e4e4e7;--text-muted: #9ca3af;--primary: #6366f1;--primary-hover: #818cf8;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--radius: 8px}*{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}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}.navbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:60px;background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.navbar-brand a{font-size:1.4rem;font-weight:700;color:var(--primary);letter-spacing:-.5px}.navbar-links{display:flex;gap:24px}.navbar-links a{color:var(--text-muted);font-size:.9rem;transition:color .2s}.navbar-links a:hover{color:var(--text)}.navbar-user{display:flex;align-items:center;gap:12px}.navbar-user span{color:var(--text-muted);font-size:.9rem}.page{max-width:1100px;margin:0 auto;padding:32px 24px}.page h2{font-size:1.6rem;margin-bottom:24px;font-weight:600}.page h3{font-size:1.1rem;margin-bottom:16px;color:var(--text-muted);font-weight:500}section{margin-top:32px}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;width:100%;max-width:400px}.auth-card h1{font-size:2rem;color:var(--primary);text-align:center;margin-bottom:4px}.subtitle{text-align:center;color:var(--text-muted);margin-bottom:24px}.auth-link{text-align:center;margin-top:16px;font-size:.9rem;color:var(--text-muted)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:6px}.form-group input,.form-group select{width:100%;padding:10px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:.95rem;outline:none;transition:border-color .2s}.form-group input:focus,.form-group select:focus{border-color:var(--primary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:var(--radius);font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;width:100%}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--bg-input);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--primary)}.btn-danger{background:var(--danger);color:#fff}.btn-buy{background:var(--success);color:#fff;width:100%}.btn-sell{background:var(--danger);color:#fff;width:100%}.btn-sm{padding:6px 12px;font-size:.8rem}.button-group{display:flex;gap:8px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;max-width:500px}.wallet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.wallet-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.wallet-currency{display:flex;align-items:center;gap:8px;margin-bottom:12px}.wallet-symbol{font-weight:700;font-size:1.1rem}.wallet-name{color:var(--text-muted);font-size:.85rem}.wallet-balance{font-size:1.5rem;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center}.stat-value{font-size:2rem;font-weight:700;color:var(--primary)}.stat-label{font-size:.85rem;color:var(--text-muted);margin-top:4px}.tx-table{width:100%;border-collapse:collapse}.tx-table th{text-align:left;padding:10px 12px;font-size:.8rem;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border)}.tx-table td{padding:10px 12px;font-size:.9rem;border-bottom:1px solid var(--border)}.tx-table tbody tr:hover{background:var(--bg-input)}.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:600;color:#fff}.badge-buy{background:var(--success)}.badge-sell{background:var(--danger)}.badge-admin{background:var(--primary)}.trading-layout{display:grid;grid-template-columns:1fr 350px;gap:24px;margin-top:16px}.trading-book,.trading-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.orderbook{display:grid;grid-template-columns:1fr 1fr;gap:16px}.orderbook table{width:100%;border-collapse:collapse}.orderbook th{text-align:left;padding:6px 8px;font-size:.75rem;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border)}.orderbook td{padding:6px 8px;font-size:.85rem}.buy-title{color:var(--success)}.sell-title{color:var(--danger)}.buy-row td:first-child{color:var(--success)}.sell-row td:first-child{color:var(--danger)}.currency-tabs,.order-type-tabs{display:flex;gap:8px;margin-bottom:16px}.tab{padding:8px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted);cursor:pointer;font-size:.9rem;transition:all .2s}.tab.active{border-color:var(--primary);color:var(--text)}.tab.active.buy{border-color:var(--success);color:var(--success)}.tab.active.sell{border-color:var(--danger);color:var(--danger)}.filters{display:flex;gap:12px;margin-bottom:16px}.filters select{padding:8px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:.9rem;outline:none}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px}.pagination span{color:var(--text-muted);font-size:.9rem}.loading{text-align:center;padding:40px;color:var(--text-muted)}.empty{text-align:center;padding:20px;color:var(--text-muted)}.error{color:var(--danger);font-size:.85rem;margin:8px 0}.success{color:var(--success);font-size:.85rem;margin:8px 0}.balance-hint{font-size:.85rem;color:var(--text-muted);margin-bottom:12px}.wallet-tag{display:inline-block;padding:2px 6px;margin:2px 4px 2px 0;background:var(--bg-input);border-radius:4px;font-size:.8rem}@media (max-width: 768px){.navbar-links{display:none}.trading-layout,.form-row,.wallet-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}