/* StockFlow - Stock Management Simulation */
/* Design System: Dark Mode with Neon Accents */

:root {
    /* Core Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #161620;
    --bg-hover: #1e1e2d;
    
    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #06b6d4;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-muted: #475569;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #f59e0b 100%);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition-base);
}

.logo {
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    flex: 1;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item:hover svg {
    opacity: 1;
}

.nav-item.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
}

.nav-item.active svg {
    opacity: 1;
    color: var(--accent-primary);
}

.sidebar-footer {
    padding: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.balance-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.balance-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.balance-amount {
    display: block;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    height: 70px;
    background: var(--bg-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-xl);
    position: sticky;
    top: 0;
    z-index: 50;
}

.search-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-sm) var(--space-md);
    width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color var(--transition-fast);
}

.search-bar:focus-within {
    border-color: var(--accent-primary);
}

.search-icon {
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
}

.search-bar input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 100%;
}

.search-bar input::placeholder {
    color: var(--text-tertiary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.btn-icon:hover {
    background: var(--bg-hover);
    border-color: rgba(255, 255, 255, 0.1);
}

.btn-icon:hover svg {
    color: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--accent-danger);
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.avatar {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    color: white;
}

.user-name {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Sections */
.section {
    display: none;
    flex: 1;
    padding: var(--space-xl);
    overflow-y: auto;
}

.section.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    margin-bottom: var(--space-xl);
}

.section-header h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-header h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-badge {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.stat-badge.positive {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
}

.stat-badge.negative {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
}

.stat-badge.neutral {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.stat-value.positive {
    color: var(--accent-success);
}

.stat-value.negative {
    color: var(--accent-danger);
}

.mini-chart {
    height: 40px;
    display: flex;
    align-items: flex-end;
    gap: 2px;
}

.mini-chart-bar {
    flex: 1;
    background: var(--accent-primary);
    border-radius: 2px 2px 0 0;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.mini-chart:hover .mini-chart-bar {
    opacity: 0.8;
}

.positions-preview {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.position-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color);
}

.positions-more {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-left: var(--space-xs);
}

.accuracy-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.accuracy-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: width 1s ease;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.chart-card {
    min-height: 400px;
}

.chart-container {
    padding: var(--space-lg);
    height: 350px;
}

.time-selector {
    display: flex;
    gap: var(--space-xs);
}

.time-btn {
    padding: var(--space-xs) var(--space-md);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.time-btn:hover {
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.time-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Watchlist */
.watchlist {
    padding: var(--space-md);
}

.watchlist-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.watchlist-item:hover {
    background: var(--bg-hover);
}

.watchlist-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.watchlist-symbol {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
}

.watchlist-details h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.watchlist-details span {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.watchlist-price {
    text-align: right;
}

.watchlist-price .price {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
}

.watchlist-price .change {
    font-size: 0.8rem;
    font-weight: 500;
}

.watchlist-price .change.positive {
    color: var(--accent-success);
}

.watchlist-price .change.negative {
    color: var(--accent-danger);
}

/* Activity Table */
.recent-activity {
    margin-bottom: var(--space-xl);
}

.activity-table {
    padding: var(--space-lg);
}

.activity-row {
    display: grid;
    grid-template-columns: 50px 1fr 120px 100px 80px;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.activity-row:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.activity-icon.buy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
}

.activity-icon.sell {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
}

.activity-icon svg {
    width: 20px;
    height: 20px;
}

.activity-details h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.activity-details span {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.activity-amount {
    font-family: var(--font-display);
    font-weight: 600;
}

.activity-status {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
}

.activity-status.completed {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
}

.activity-status.pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-warning);
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
}

.allocation-chart {
    padding: var(--space-lg);
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.allocation-legend {
    padding: 0 var(--space-lg) var(--space-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.holdings-table {
    padding: var(--space-lg);
}

.holding-row {
    display: grid;
    grid-template-columns: 60px 1fr 120px 100px 100px 80px;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.holding-row:last-child {
    border-bottom: none;
}

.holding-symbol {
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}

.holding-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.holding-info span {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.holding-value, .holding-return {
    font-family: var(--font-display);
    font-weight: 600;
    text-align: right;
}

.holding-return.positive {
    color: var(--accent-success);
}

.holding-return.negative {
    color: var(--accent-danger);
}

/* Predictions Section */
.predictions-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.model-config {
    padding: var(--space-lg);
}

.config-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.config-row:last-child {
    border-bottom: none;
}

.config-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.config-select {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 150px;
}

.confidence-slider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.confidence-slider input {
    width: 100px;
}

.confidence-value {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--accent-primary);
    min-width: 40px;
}

.model-status {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.model-status.active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
}

.prediction-results {
    padding: var(--space-lg);
}

.prediction-chart {
    height: 250px;
    margin-bottom: var(--space-lg);
}

.prediction-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.metric {
    text-align: center;
}

.metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-xs);
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.metric-value.positive {
    color: var(--accent-success);
}

.metric-value.negative {
    color: var(--accent-danger);
}

.prediction-ticker {
    background: var(--bg-tertiary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
}

.top-predictions {
    margin-bottom: var(--space-xl);
}

.predictions-list {
    padding: var(--space-lg);
}

.prediction-item {
    display: grid;
    grid-template-columns: 60px 1fr 100px 100px 120px;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.prediction-item:last-child {
    border-bottom: none;
}

.prediction-confidence-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.prediction-confidence-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* Simulation Section */
.simulation-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--space-xl);
}

.simulation-controls {
    height: fit-content;
}

.simulation-config {
    padding: var(--space-lg);
}

.config-group {
    margin-bottom: var(--space-lg);
}

.config-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.config-input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.risk-selector {
    display: flex;
    gap: var(--space-xs);
}

.risk-btn {
    flex: 1;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.risk-btn:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.risk-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.simulation-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.sim-chart-card {
    min-height: 350px;
}

.sim-chart {
    padding: var(--space-lg);
    height: 280px;
}

.sim-status {
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.sim-status.running {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
}

.sim-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.sim-stat {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.sim-stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

.sim-stat-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.trade-history {
    flex: 1;
}

.trades-list {
    padding: var(--space-lg);
    max-height: 300px;
    overflow-y: auto;
}

.trade-row {
    display: grid;
    grid-template-columns: 80px 1fr 100px 100px;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.trade-row:last-child {
    border-bottom: none;
}

.trade-type {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
}

.trade-type.buy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
}

.trade-type.sell {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
}

/* Analytics Section */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.performance-metrics {
    grid-column: span 2;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    padding: var(--space-lg);
}

.analytics-metric {
    text-align: center;
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.analytics-metric-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

.analytics-metric-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
}

.sector-chart, .risk-metrics {
    padding: var(--space-lg);
    min-height: 300px;
}

/* Buttons */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-xl);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-text {
    background: transparent;
    color: var(--accent-primary);
    border: none;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.btn-text:hover {
    opacity: 0.8;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 90%;
    max-width: 500px;
    z-index: 201;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-footer {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-footer .btn-secondary,
.modal-footer .btn-primary {
    flex: 1;
}

/* Trade Form */
.trade-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-input, .form-select {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    width: 100%;
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.trade-preview {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-top: var(--space-md);
}

.preview-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.preview-row.total {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--space-sm);
    padding-top: var(--space-md);
    font-weight: 600;
    color: var(--text-primary);
}

/* SVG Charts */
.chart-svg {
    width: 100%;
    height: 100%;
}

.chart-line {
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.chart-area {
    fill-opacity: 0.1;
}

.chart-grid {
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 1;
}

.chart-axis {
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 1;
}

/* Responsive */
@media (max-width: 1400px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-grid,
    .portfolio-grid,
    .predictions-grid,
    .simulation-layout {
        grid-template-columns: 1fr;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .performance-metrics {
        grid-column: span 1;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .sim-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 var(--space-md);
    }
    
    .search-bar {
        width: 200px;
    }
    
    .section {
        padding: var(--space-md);
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .prediction-metrics {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: white;
}