:root {
    --bg-dark: #050505;
    --bg-panel: rgba(20, 20, 20, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --accent-color: #f2a900;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --success: #00c853;
    --danger: #ff3d00;
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-main);
    overflow-x: hidden;
}

/* Layout */
.app-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar-nav {
    background: rgba(10, 10, 10, 0.95);
    border-right: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    color: var(--accent-color);
}

.logo-text {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 1px;
    color: #fff;
}

.nav-group {
    margin-bottom: 32px;
}

.nav-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    padding-left: 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 14px;
}

.nav-item:hover, .nav-item.active {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.nav-item.active {
    border-left: 2px solid var(--accent-color);
}

.user-profile {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #000;
    font-size: 12px;
}

.user-info {
    font-size: 12px;
}

.user-name {
    font-weight: 600;
}

.user-status {
    color: var(--success);
}

/* Main Content */
.main-content-wrapper {
    padding: 0;
    display: flex;
    flex-direction: column;
}

.top-bar {
    height: 64px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.breadcrumbs {
    color: var(--text-secondary);
    font-size: 14px;
}

.crumb.active {
    color: #fff;
}

.separator {
    margin: 0 8px;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.global-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--success);
    margin-right: 16px;
}

.status-indicator {
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
}

.btn-primary, .btn-secondary {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent-color);
    color: #000;
    border: none;
}

.btn-primary:hover {
    background: #ffb700;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: #fff;
}

.btn-secondary:hover {
    border-color: #fff;
}

/* Dashboard Grid */
.dashboard-grid {
    padding: 32px;
    display: grid;
    gap: 24px;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

/* Ticker */
.ticker-tape-container {
    display: flex;
    gap: 32px;
    padding: 16px 24px;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ticker-label {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
}

.ticker-value {
    font-family: var(--font-mono);
    font-weight: 600;
}

.ticker-change {
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 4px;
}

.ticker-change.positive {
    color: var(--success);
    background: rgba(0, 200, 83, 0.1);
}

.ticker-change.negative {
    color: var(--danger);
    background: rgba(255, 61, 0, 0.1);
}

/* Metrics Overview */
.metrics-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.glass-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    backdrop-filter: blur(10px);
    transition: transform 0.2s, border-color 0.2s;
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.metric-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
}

.metric-title {
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-main {
    font-size: 28px;
    font-weight: 600;
    font-family: var(--font-mono);
    margin-bottom: 12px;
}

.metric-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.trend-badge {
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.trend-badge.positive { color: var(--success); background: rgba(0, 200, 83, 0.1); }
.trend-badge.negative { color: var(--danger); background: rgba(255, 61, 0, 0.1); }
.trend-badge.neutral { color: var(--text-secondary); background: rgba(255, 255, 255, 0.05); }

.metric-sub {
    color: var(--text-secondary);
}

/* Chart Section */
.chart-section {
    height: 450px;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.panel-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.time-controls {
    display: flex;
    gap: 4px;
    background: rgba(0, 0, 0, 0.3);
    padding: 2px;
    border-radius: 6px;
}

.time-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

.time-btn.active {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.chart-canvas-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.pulse-dot-chart {
    animation: pulse 2s infinite;
}

/* Split Grid */
.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* Order Book */
.order-book-content {
    font-family: var(--font-mono);
    font-size: 12px;
}

.ob-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.ob-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 4px 0;
    position: relative;
}

.depth-bar {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    opacity: 0.15;
    z-index: 0;
}

.depth-bar.ask { background: var(--danger); }
.depth-bar.bid { background: var(--success); }

.price-ask { color: var(--danger); }
.price-bid { color: var(--success); }

.ob-spread {
    text-align: center;
    padding: 12px 0;
    font-size: 16px;
    font-weight: 600;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin: 8px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.spread-percent {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Network Events */
.event-log {
    height: 300px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 12px;
}

.event-line {
    padding: 6px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    display: flex;
    gap: 12px;
    animation: fadeIn 0.3s ease-in;
}

.event-time {
    color: var(--text-secondary);
}

.event-msg {
    color: #fff;
}

.live-badge {
    background: var(--danger);
    color: #fff;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
}

/* Research */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.research-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

.card-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.badge {
    font-size: 10px;
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.research-card h4 {
    margin: 0 0 8px 0;
    line-height: 1.4;
}

.research-card p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
    margin: 0 0 16px 0;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Footer */
.app-footer {
    margin-top: 60px;
    padding: 40px 32px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
}

.footer-disclaimer {
    max-width: 400px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.3);
    text-align: right;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Responsive */
@media (max-width: 1024px) {
    .app-layout { grid-template-columns: 1fr; }
    .sidebar-nav { display: none; } /* Mobile nav would be needed */
    .split-grid { grid-template-columns: 1fr; }
}