/* ========== CSS Variables (Dark Trading Terminal Theme) ========== */
:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1623;
    --bg-card: #131c2e;
    --bg-card-hover: #182234;
    --bg-sidebar: #080c14;
    --bg-input: #0a0e17;
    --bg-table-alt: #0f1825;
    --border-color: #1e2d47;
    --border-subtle: #162035;
    --text-primary: #e2eaf6;
    --text-secondary: #8090aa;
    --text-muted: #4a5568;
    --accent-blue: #4d9ef6;
    --accent-blue-glow: rgba(77,158,246,0.25);
    --accent-purple: #a78bfa;
    --accent-cyan: #22d3ee;
    --color-green: #34d399;
    --color-green-glow: rgba(52,211,153,0.2);
    --color-red: #f87171;
    --color-red-glow: rgba(248,113,113,0.2);
    --color-yellow: #fbbf24;
    --color-orange: #fb923c;
    --sidebar-width: 240px;
    --topbar-height: 56px;
    --radius: 8px;
    --radius-sm: 5px;
    --radius-lg: 12px;
    --shadow: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-card: 0 2px 12px rgba(0,0,0,0.5);
    --transition: 0.2s ease;
}

/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 14px;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { color: #7ab8ff; text-decoration: none; }

h1, h2, h3, h4, h5 { font-weight: 600; line-height: 1.3; }

/* ========== Scrollbar ========== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ========== Sidebar ========== */
.sidebar {
    position: fixed;
    left: 0; top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: width 0.3s ease;
    overflow-y: auto;
    overflow-x: hidden;
}
.sidebar::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--accent-blue), transparent);
    opacity: 0.3;
}
.sidebar.collapsed { width: 60px; }
.sidebar.collapsed .nav-text,
.sidebar.collapsed .sidebar-header h2,
.sidebar.collapsed .version,
.sidebar.collapsed .sidebar-footer { display: none; }
.sidebar.collapsed .nav-icon { font-size: 1.3em; }
.sidebar.collapsed .nav-links li a { justify-content: center; padding: 12px 0; }

.sidebar-header {
    padding: 18px 16px 14px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(77,158,246,0.05), transparent);
}
.sidebar-header h2 {
    font-size: 1.05em;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
    letter-spacing: 0.5px;
}
.version {
    font-size: 0.65em;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: #fff;
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.nav-links {
    list-style: none;
    padding: 10px 0;
    flex: 1;
}
.nav-links li { position: relative; }
.nav-links li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    color: var(--text-secondary);
    transition: all var(--transition);
    border-left: 2px solid transparent;
    text-decoration: none;
    font-size: 0.88em;
}
.nav-links li a:hover {
    background: rgba(77,158,246,0.06);
    color: var(--text-primary);
    border-left-color: var(--border-color);
    text-decoration: none;
}
.nav-links li.active a {
    color: var(--accent-blue);
    border-left-color: var(--accent-blue);
    background: rgba(77,158,246,0.1);
    font-weight: 500;
}
.nav-links li.active a .nav-icon {
    filter: drop-shadow(0 0 6px var(--accent-blue));
}
.nav-icon { font-size: 1.05em; width: 22px; text-align: center; flex-shrink: 0; }
.nav-text { font-size: 0.9em; white-space: nowrap; }
.nav-text small { color: var(--text-muted); font-size: 0.78em; }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-subtle);
    background: rgba(0,0,0,0.2);
}
.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8em;
    color: var(--text-secondary);
}
.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}
.status-dot.online {
    background: var(--color-green);
    box-shadow: 0 0 8px var(--color-green), 0 0 16px rgba(52,211,153,0.3);
    animation: pulse-green 2s ease-in-out infinite;
}
.status-dot.offline { background: var(--text-muted); }
.status-dot.warning {
    background: var(--color-yellow);
    box-shadow: 0 0 6px var(--color-yellow);
}

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 6px var(--color-green); }
    50% { box-shadow: 0 0 12px var(--color-green), 0 0 20px rgba(52,211,153,0.4); }
}

/* ========== Main Content ========== */
.content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}
.sidebar.collapsed ~ .content { margin-left: 60px; }

.top-bar {
    height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
}
.menu-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1.1em;
    cursor: pointer;
    padding: 5px 9px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    line-height: 1;
}
.menu-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-card);
    border-color: var(--text-muted);
}
.page-title {
    font-size: 1em;
    font-weight: 600;
    flex: 1;
    color: var(--text-primary);
}
.page-title small { color: var(--text-muted); font-weight: 400; font-size: 0.85em; }
.top-bar-right { display: flex; align-items: center; gap: 16px; }
.clock {
    font-size: 0.82em;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    background: var(--bg-card);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.content-body { padding: 20px 24px; }

/* ========== Grid Layout ========== */
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-1 { grid-template-columns: 1fr; }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }

/* ========== Cards ========== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(0,0,0,0.15);
}
.card-header h3 {
    font-size: 0.88em;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}
.card-header h3 small {
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-muted);
    font-weight: 400;
}
.card-body { padding: 20px; }
.card-actions { display: flex; align-items: center; gap: 8px; }

/* Deprecated .card-title (keep for compat) */
.card-title {
    font-size: 0.88em;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}
.card-title small { text-transform: none; letter-spacing: 0; color: var(--text-muted); }

/* ========== Metric Cards ========== */
.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.metric-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    opacity: 0.6;
}
.metric-card:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--shadow-card), 0 0 0 1px rgba(77,158,246,0.1);
}
.metric-card.green::before { background: linear-gradient(90deg, var(--color-green), var(--accent-cyan)); }
.metric-card.red::before { background: linear-gradient(90deg, var(--color-red), var(--color-orange)); }
.metric-card.blue::before { background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple)); }

.metric-label {
    font-size: 0.76em;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}
.metric-label small { text-transform: none; letter-spacing: 0; }
.metric-value {
    font-size: 1.65em;
    font-weight: 700;
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    color: var(--text-primary);
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: 8px;
}
.metric-card.green .metric-value { color: var(--color-green); }
.metric-card.red .metric-value { color: var(--color-red); }
.metric-card.blue .metric-value { color: var(--accent-blue); }
.metric-change, .metric-sub {
    font-size: 0.76em;
    margin-top: 5px;
    color: var(--text-muted);
}

.positive { color: var(--color-green) !important; }
.negative { color: var(--color-red) !important; }
.neutral { color: var(--text-secondary) !important; }

/* ========== Tables ========== */
.table-container, .table-responsive { overflow-x: auto; }

table, .table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.86em;
}
thead th {
    text-align: left;
    padding: 10px 14px;
    background: rgba(0,0,0,0.3);
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    white-space: nowrap;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}
tbody tr:nth-child(even) { background: var(--bg-table-alt); }
tbody tr:hover {
    background: rgba(77,158,246,0.06);
}
tbody tr:last-child td { border-bottom: none; }
td.mono, .mono { font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace; font-size: 0.92em; }

.empty-row td {
    text-align: center;
    color: var(--text-muted);
    padding: 32px;
    font-style: italic;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.86em;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1;
    white-space: nowrap;
}
.btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
}
.btn-primary {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
    box-shadow: 0 0 12px rgba(77,158,246,0.3);
}
.btn-primary:hover {
    background: #5aaeff;
    box-shadow: 0 0 18px rgba(77,158,246,0.5);
}
.btn-danger {
    background: rgba(248,113,113,0.15);
    border-color: var(--color-red);
    color: var(--color-red);
}
.btn-danger:hover {
    background: var(--color-red);
    color: #fff;
    box-shadow: 0 0 12px rgba(248,113,113,0.4);
}
.btn-success {
    background: rgba(52,211,153,0.15);
    border-color: var(--color-green);
    color: var(--color-green);
}
.btn-success:hover {
    background: var(--color-green);
    color: #fff;
    box-shadow: 0 0 12px rgba(52,211,153,0.4);
}
.btn-warning {
    background: rgba(251,191,36,0.15);
    border-color: var(--color-yellow);
    color: var(--color-yellow);
}
.btn-warning:hover {
    background: var(--color-yellow);
    color: #000;
}
.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}
.btn-outline:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
    color: var(--text-primary);
}
.btn-outline.active {
    background: rgba(77,158,246,0.15);
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.btn-sm { padding: 5px 10px; font-size: 0.8em; }
.btn-lg { padding: 10px 24px; font-size: 0.95em; }
.btn-group { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.btn-group .btn { border-radius: 6px; }

/* ========== Control Panel ========== */
.control-panel { padding: 4px 0; }
.control-row { display: flex; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.control-group { display: flex; flex-direction: column; gap: 8px; }
.control-group label { font-size: 0.8em; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.4px; }
.control-actions { display: flex; gap: 8px; align-items: flex-end; }

/* ========== Forms ========== */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 0.82em;
    color: var(--text-secondary);
    margin-bottom: 5px;
    font-weight: 500;
}
.form-control, .form-select {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.88em;
    font-family: 'Inter', sans-serif;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(77,158,246,0.15);
}
.form-select { cursor: pointer; }
.form-select-sm { width: auto; padding: 5px 10px; font-size: 0.82em; }

/* ========== Badges & Tags ========== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.72em;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.badge-long { background: rgba(52,211,153,0.12); color: var(--color-green); border: 1px solid rgba(52,211,153,0.2); }
.badge-short { background: rgba(248,113,113,0.12); color: var(--color-red); border: 1px solid rgba(248,113,113,0.2); }
.badge-win { background: rgba(52,211,153,0.12); color: var(--color-green); border: 1px solid rgba(52,211,153,0.2); }
.badge-loss { background: rgba(248,113,113,0.12); color: var(--color-red); border: 1px solid rgba(248,113,113,0.2); }
.badge-running { background: rgba(52,211,153,0.12); color: var(--color-green); border: 1px solid rgba(52,211,153,0.2); }
.badge-stopped { background: rgba(74,85,104,0.15); color: var(--text-secondary); border: 1px solid var(--border-color); }
.badge-paper { background: rgba(251,191,36,0.12); color: var(--color-yellow); border: 1px solid rgba(251,191,36,0.2); }
.badge-real { background: rgba(248,113,113,0.12); color: var(--color-red); border: 1px solid rgba(248,113,113,0.2); }

/* ========== Status Item (for system status lists) ========== */
.status-list { display: flex; flex-direction: column; gap: 0; }
.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
}
.status-item:last-child { border-bottom: none; }
.status-name {
    font-size: 0.86em;
    color: var(--text-secondary);
}
.status-name small { color: var(--text-muted); }
.status-badge {
    font-size: 0.75em;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 10px;
    background: rgba(74,85,104,0.15);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}
.status-badge.running { background: rgba(52,211,153,0.12); color: var(--color-green); border-color: rgba(52,211,153,0.2); }
.status-badge.stopped { background: rgba(74,85,104,0.15); color: var(--text-muted); }
.status-badge.warning { background: rgba(251,191,36,0.12); color: var(--color-yellow); border-color: rgba(251,191,36,0.2); }
.status-text { font-size: 0.82em; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }

/* ========== Progress Bar ========== */
.progress {
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 2px;
    transition: width 0.4s ease;
}

/* ========== Chart Containers ========== */
.chart-container {
    position: relative;
    width: 100%;
    min-height: 300px;
}

/* ========== Alerts ========== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 0.88em;
    border-left: 3px solid;
}
.alert-info { background: rgba(77,158,246,0.06); border-color: var(--accent-blue); color: #90c4ff; }
.alert-warning { background: rgba(251,191,36,0.06); border-color: var(--color-yellow); color: #fcd34d; }
.alert-danger { background: rgba(248,113,113,0.06); border-color: var(--color-red); color: #fca5a5; }
.alert-success { background: rgba(52,211,153,0.06); border-color: var(--color-green); color: #6ee7b7; }

/* ========== Loading Spinner ========== */
.spinner {
    display: inline-block;
    width: 18px; height: 18px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    color: var(--text-secondary);
    gap: 12px;
    font-size: 0.88em;
}

/* ========== Sentiment Gauge ========== */
.sentiment-summary { padding: 8px 0; }
.sentiment-gauge {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
}
.sentiment-value {
    font-size: 2.5em;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
}
.sentiment-label {
    font-size: 0.88em;
    color: var(--text-secondary);
    font-weight: 500;
}
.sentiment-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}
.sentiment-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--color-red), var(--color-yellow), var(--color-green));
    transition: width 0.6s ease;
}
.sentiment-detail { font-size: 0.78em; color: var(--text-muted); }

/* Gauge container (sentiment page) */
.gauge-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px;
}
.gauge-value {
    font-size: 3em;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}
.gauge-label {
    font-size: 0.9em;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* ========== Signal State Cards ========== */
.signal-state-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}
.signal-state-card h4 {
    font-size: 0.8em;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}
.signal-state-card h4 small { text-transform: none; letter-spacing: 0; }
.signal-state-value {
    font-size: 1.3em;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
}

/* ========== Toggle Switch ========== */
.toggle-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.86em;
    color: var(--text-secondary);
    user-select: none;
}
.toggle-label input[type="checkbox"] { display: none; }
.toggle-switch {
    position: relative;
    width: 34px;
    height: 18px;
    background: var(--border-color);
    border-radius: 9px;
    transition: background var(--transition);
    flex-shrink: 0;
}
.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    transition: transform var(--transition);
}
.toggle-label input:checked + .toggle-switch { background: var(--accent-blue); }
.toggle-label input:checked + .toggle-switch::after { transform: translateX(16px); }
.toggle-sm .toggle-switch { width: 28px; height: 15px; }
.toggle-sm .toggle-switch::after { width: 11px; height: 11px; }
.toggle-sm input:checked + .toggle-switch::after { transform: translateX(13px); }

/* ========== Log Viewer ========== */
.log-viewer {
    background: #050810;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 14px 16px;
    font-family: 'JetBrains Mono', 'SF Mono', 'Courier New', monospace;
    font-size: 0.78em;
    line-height: 1.7;
    max-height: 600px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}
.log-viewer-sm { max-height: 320px; }
.log-line { padding: 1px 0; }
.log-info { color: #60a5fa; }
.log-warning { color: var(--color-yellow); }
.log-error { color: var(--color-red); }
.log-debug { color: var(--text-muted); }

/* ========== Config Editor ========== */
.editor-container {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}
.yaml-editor {
    width: 100%;
    min-height: 500px;
    background: #050810;
    color: #e2eaf6;
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 0.83em;
    line-height: 1.7;
    padding: 16px;
    border: none;
    resize: vertical;
    tab-size: 2;
}
.yaml-editor:focus { outline: none; }

/* ========== Toolbar ========== */
.toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

/* ========== Trade List ========== */
.trade-list { display: flex; flex-direction: column; gap: 0; }
.trade-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
}
.trade-item:last-child { border-bottom: none; }
.trade-symbol { font-weight: 600; font-size: 0.88em; }
.trade-pnl { font-family: 'JetBrains Mono', monospace; font-size: 0.88em; }

/* ========== Empty State ========== */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
    font-size: 0.88em;
}
.empty-state .icon { font-size: 2.5em; margin-bottom: 12px; display: block; }
.empty-state h3 { color: var(--text-secondary); margin-bottom: 6px; font-size: 1em; }

/* ========== Regime Badge ========== */
.regime-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 0.75em;
    font-weight: 600;
}
.regime-trending_bull { background: rgba(52,211,153,0.12); color: var(--color-green); border: 1px solid rgba(52,211,153,0.2); }
.regime-trending_bear { background: rgba(248,113,113,0.12); color: var(--color-red); border: 1px solid rgba(248,113,113,0.2); }
.regime-choppy { background: rgba(251,191,36,0.1); color: var(--color-yellow); border: 1px solid rgba(251,191,36,0.2); }
.regime-high_vol { background: rgba(251,146,60,0.1); color: var(--color-orange); border: 1px solid rgba(251,146,60,0.2); }
.regime-vol_compression { background: rgba(167,139,250,0.1); color: var(--accent-purple); border: 1px solid rgba(167,139,250,0.2); }

/* ========== Spacing Utilities ========== */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 12px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 20px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 12px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 20px; }
.page-stack { display: flex; flex-direction: column; gap: 16px; }

/* ========== Responsive ========== */
@media (max-width: 1280px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar .nav-text, .sidebar .sidebar-header h2,
    .sidebar .version, .sidebar .sidebar-footer { display: none; }
    .sidebar .nav-links li a { justify-content: center; padding: 12px 0; }
    .content { margin-left: 60px; }
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .span-2, .span-3, .span-4 { grid-column: span 1; }
    .content-body { padding: 12px; }
    .metric-value { font-size: 1.3em; }
}