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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border: #334155;
    --shadow: rgba(0, 0, 0, 0.3);
    
    --sidebar-width: 234px;
    --header-height: 72px;
    --scale: 0.9;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: calc(16px * var(--scale));
}

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

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

.logo {
    padding: calc(2rem * var(--scale)) calc(1.5rem * var(--scale));
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: calc(0.75rem * var(--scale));
}

.logo-img {
    width: calc(2.5rem * var(--scale));
    height: calc(2.5rem * var(--scale));
}

.logo h1 {
    font-size: calc(1.25rem * var(--scale));
    font-weight: 700;
    color: var(--text-primary);
}

.nav {
    flex: 1;
    padding: calc(1rem * var(--scale)) 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: calc(0.75rem * var(--scale));
    padding: calc(0.875rem * var(--scale)) calc(1.5rem * var(--scale));
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

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

.nav-item.active {
    background: var(--primary);
    color: white;
    border-left: calc(3px * var(--scale)) solid var(--primary-dark);
}

.nav-item .icon {
    font-size: calc(1.25rem * var(--scale));
    display: flex;
    align-items: center;
}

.nav-item .icon svg {
    width: calc(1.25rem * var(--scale));
    height: calc(1.25rem * var(--scale));
}

.sidebar-footer {
    padding: calc(1rem * var(--scale));
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: calc(0.75rem * var(--scale));
    margin-bottom: calc(0.75rem * var(--scale));
}

.avatar {
    width: calc(40px * var(--scale));
    height: calc(40px * var(--scale));
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: calc(1.25rem * var(--scale));
}

.avatar svg {
    width: calc(1.25rem * var(--scale));
    height: calc(1.25rem * var(--scale));
    stroke: white;
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 600;
    font-size: calc(0.875rem * var(--scale));
}

.user-status {
    font-size: calc(0.75rem * var(--scale));
    color: var(--text-muted);
}

.btn-logout {
    width: 100%;
    padding: calc(0.625rem * var(--scale)) calc(1rem * var(--scale));
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    border-radius: calc(0.5rem * var(--scale));
    color: var(--danger);
    font-size: calc(0.875rem * var(--scale));
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: calc(0.5rem * var(--scale));
}

.btn-logout:hover {
    background: var(--danger);
    color: white;
    transform: translateY(-2px);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 calc(2rem * var(--scale));
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left h2 {
    font-size: calc(1.5rem * var(--scale));
    margin-bottom: calc(0.25rem * var(--scale));
}

.breadcrumb {
    font-size: calc(0.875rem * var(--scale));
    color: var(--text-muted);
}

.breadcrumb .separator {
    margin: 0 calc(0.5rem * var(--scale));
}

.header-right {
    display: flex;
    align-items: center;
    gap: calc(1rem * var(--scale));
}

.date-selector {
    display: flex;
    gap: calc(0.5rem * var(--scale));
}

.date-input {
    padding: calc(0.5rem * var(--scale)) calc(1rem * var(--scale));
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: calc(0.5rem * var(--scale));
    color: var(--text-primary);
    font-size: calc(0.875rem * var(--scale));
}

.btn {
    padding: calc(0.625rem * var(--scale)) calc(1.25rem * var(--scale));
    border: none;
    border-radius: calc(0.5rem * var(--scale));
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: calc(0.5rem * var(--scale));
    font-size: calc(0.875rem * var(--scale));
}

.btn svg {
    width: calc(1rem * var(--scale));
    height: calc(1rem * var(--scale));
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-icon {
    width: calc(40px * var(--scale));
    height: calc(40px * var(--scale));
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: calc(1.125rem * var(--scale));
}

.btn-icon svg {
    width: calc(1.125rem * var(--scale));
    height: calc(1.125rem * var(--scale));
}

.btn-small {
    padding: calc(0.375rem * var(--scale)) calc(0.75rem * var(--scale));
    font-size: calc(0.75rem * var(--scale));
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

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

/* Views */
.view {
    display: none;
    padding: calc(2rem * var(--scale));
    animation: fadeIn 0.3s;
}

.view.active {
    display: block;
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(calc(250px * var(--scale)), 1fr));
    gap: calc(1.5rem * var(--scale));
    margin-bottom: calc(2rem * var(--scale));
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: calc(1rem * var(--scale));
    padding: calc(1.5rem * var(--scale));
    display: flex;
    gap: calc(1rem * var(--scale));
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.stat-icon {
    width: calc(60px * var(--scale));
    height: calc(60px * var(--scale));
    border-radius: calc(1rem * var(--scale));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: calc(1.75rem * var(--scale));
}

.stat-icon svg {
    width: calc(1.75rem * var(--scale));
    height: calc(1.75rem * var(--scale));
}

.stat-icon.green svg { stroke: var(--success); }
.stat-icon.blue svg { stroke: var(--info); }
.stat-icon.purple svg { stroke: var(--secondary); }
.stat-icon.orange svg { stroke: var(--warning); }

.stat-icon.green { background: rgba(16, 185, 129, 0.1); }
.stat-icon.blue { background: rgba(59, 130, 246, 0.1); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.1); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.1); }

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: calc(0.875rem * var(--scale));
    color: var(--text-secondary);
    margin-bottom: calc(0.5rem * var(--scale));
}

.stat-value {
    font-size: calc(1.75rem * var(--scale));
    font-weight: 700;
    margin-bottom: calc(0.25rem * var(--scale));
}

.stat-change {
    font-size: calc(0.875rem * var(--scale));
    font-weight: 500;
}

.stat-change.positive { color: var(--success); }
.stat-change.negative { color: var(--danger); }

/* Charts */
.charts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(calc(400px * var(--scale)), 1fr));
    gap: calc(1.5rem * var(--scale));
    margin-bottom: calc(2rem * var(--scale));
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: calc(1rem * var(--scale));
    padding: calc(1.5rem * var(--scale));
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: calc(1.5rem * var(--scale));
}

.chart-header h3 {
    font-size: calc(1.125rem * var(--scale));
    font-weight: 600;
}

.chart-actions {
    display: flex;
    gap: calc(0.5rem * var(--scale));
}

.chart-container {
    position: relative;
    height: calc(300px * var(--scale));
}

/* Table */
.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.table-card.full-height {
    height: calc(100vh - var(--header-height) - 4rem);
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.table-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.table-filters {
    display: flex;
    gap: 0.75rem;
}

.search-input,
.filter-select {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.table-container {
    overflow-x: auto;
    max-height: calc(100% - 60px);
}

.trades-table {
    width: 100%;
    border-collapse: collapse;
}

.trades-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-card);
}

.trades-table td {
    padding: 1rem;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border);
}

.trades-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

/* Analytics View */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

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

.metrics-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.metrics-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.metrics-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.metric-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 0.5rem;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.metric-value {
    font-size: 1rem;
    font-weight: 600;
}

.metric-value.green { color: var(--success); }
.metric-value.red { color: var(--danger); }

/* AI Insights */
.insights-container {
    max-width: 1200px;
}

.insight-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.insight-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.insight-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.insight-content {
    line-height: 1.8;
    color: var(--text-secondary);
}

.ai-analysis-result {
    background: var(--bg-tertiary);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.analysis-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
}

.analysis-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.ai-analysis-result pre {
    margin: 0;
    font-family: inherit;
    color: var(--text-primary);
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.empty-icon svg {
    width: 4rem;
    height: 4rem;
}

.empty-state h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state ul {
    list-style: none;
    padding-left: 1rem;
}

.empty-state ul li {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.empty-state ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* Calendar */
.calendar-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.calendar-day:hover {
    background: var(--bg-tertiary);
}

.calendar-day.has-data {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
}

.calendar-day.positive {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
}

.calendar-day.negative {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
}

/* Settings */
.settings-container {
    max-width: 800px;
}

.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.settings-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.settings-group {
    margin-bottom: 1.5rem;
}

.settings-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.settings-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Notification Toast */
.notification-toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 1001;
    animation: slideIn 0.3s ease-out;
    min-width: 300px;
    max-width: 500px;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification-fade-out {
    animation: slideOut 0.3s ease-out forwards;
}

@keyframes slideOut {
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.notification-success {
    border-left: 4px solid var(--success);
}

.notification-error {
    border-left: 4px solid var(--danger);
}

.notification-info {
    border-left: 4px solid var(--info);
}

.notification-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.notification-success .notification-icon {
    color: var(--success);
}

.notification-error .notification-icon {
    color: var(--danger);
}

.notification-info .notification-icon {
    color: var(--info);
}

.notification-message {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.25rem;
    transition: all 0.2s;
}

.notification-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 1024px) {
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .span-2 {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid,
    .charts-row {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.green { color: var(--success); }
.red { color: var(--danger); }
.positive { color: var(--success); }
.negative { color: var(--danger); }