* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #0f1117;
    --bg2: #1a1d27;
    --bg3: #242832;
    --border: #2e3345;
    --text: #e1e4eb;
    --text2: #8b92a5;
    --primary: #3b82f6;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --sidebar-w: 220px;
}

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); }

.hidden { display: none !important; }

/* Login */
.login-container { display: flex; justify-content: center; align-items: center; min-height: 100vh; }
.login-box { background: var(--bg2); border: 1px solid var(--border); border-radius: 12px; padding: 40px; width: 360px; text-align: center; }
.login-box h1 { font-size: 24px; margin-bottom: 8px; }
.login-box p { color: var(--text2); margin-bottom: 24px; }
.login-box input { width: 100%; padding: 10px 14px; background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 14px; margin-bottom: 12px; }
.login-box button { width: 100%; padding: 10px; background: var(--primary); border: none; border-radius: 8px; color: white; font-size: 14px; cursor: pointer; font-weight: 600; }
.login-box button:hover { opacity: 0.9; }
.error { color: var(--danger); font-size: 13px; margin-top: 8px; }

/* Layout */
#dashboard { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar { width: var(--sidebar-w); background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; height: 100vh; }
.sidebar-header { padding: 20px; border-bottom: 1px solid var(--border); }
.sidebar-header h2 { font-size: 18px; margin-bottom: 6px; }
.nav-links { list-style: none; padding: 12px 0; flex: 1; }
.nav-link { display: block; padding: 10px 20px; color: var(--text2); text-decoration: none; font-size: 14px; transition: all 0.2s; }
.nav-link:hover, .nav-link.active { color: var(--text); background: var(--bg3); }
.nav-link.active { border-right: 3px solid var(--primary); }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); }

/* Main */
.main-content { margin-left: var(--sidebar-w); flex: 1; padding: 24px; min-height: 100vh; }
.page { display: none; }
.page.active { display: block; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-header h1 { font-size: 22px; }

/* Bot Controls */
.bot-controls { display: flex; align-items: center; gap: 8px; }

/* Badges */
.badge { display: inline-block; padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.badge-testnet { background: var(--warning); color: #000; }
.badge-live { background: var(--danger); color: #fff; }
.badge-running { background: var(--success); color: #fff; }
.badge-paused { background: var(--warning); color: #000; }
.badge-stopped { background: var(--danger); color: #fff; }

/* Buttons */
.btn { padding: 8px 16px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg3); color: var(--text); cursor: pointer; font-size: 13px; transition: all 0.2s; }
.btn:hover { opacity: 0.85; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: white; }
.btn-success { background: var(--success); border-color: var(--success); color: white; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: white; }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #000; }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.stat-label { display: block; font-size: 12px; color: var(--text2); margin-bottom: 6px; }
.stat-value { display: block; font-size: 22px; font-weight: 700; }

/* Cards */
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
.card h3 { font-size: 16px; margin-bottom: 16px; }

/* Tables */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text2); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.empty-state { color: var(--text2); text-align: center; padding: 24px; }

/* Colors */
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

/* Tickers */
.tickers-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.ticker-card { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 14px; }
.ticker-pair { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.ticker-price { font-size: 20px; font-weight: 700; }
.ticker-change { font-size: 13px; margin-top: 4px; }

/* Pairs Grid */
.pairs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.pair-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.pair-card h4 { font-size: 16px; margin-bottom: 12px; display: flex; justify-content: space-between; align-items: center; }
.pair-card .form-group { margin-bottom: 10px; }

/* Config Grid */
.config-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; color: var(--text2); margin-bottom: 5px; }
.form-group input, .form-group select {
    width: 100%; padding: 8px 12px; background: var(--bg3); border: 1px solid var(--border);
    border-radius: 6px; color: var(--text); font-size: 13px;
}
.form-group input[type="checkbox"] { width: auto; margin-right: 6px; }

/* Toast */
.toast { position: fixed; bottom: 20px; right: 20px; padding: 12px 20px; border-radius: 8px; font-size: 14px; z-index: 9999; animation: slideIn 0.3s ease; }
.toast-success { background: var(--success); color: white; }
.toast-error { background: var(--danger); color: white; }
@keyframes slideIn { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { width: 100%; height: auto; position: relative; flex-direction: row; flex-wrap: wrap; }
    .sidebar-header { padding: 12px 16px; }
    .nav-links { display: flex; padding: 0; overflow-x: auto; }
    .nav-link { padding: 10px 14px; white-space: nowrap; }
    .nav-link.active { border-right: none; border-bottom: 3px solid var(--primary); }
    .main-content { margin-left: 0; padding: 16px; }
    #dashboard { flex-direction: column; }
    .sidebar-footer { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}