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

:root {
    /* Premium Dark Color Palette */
    --bg-primary: #0B0E11;
    --bg-secondary: #0E1116;
    --bg-tertiary: #12161C;
    --bg-card: #12161C;
    --bg-hover: #1A1F28;
    --bg-active: #1F2530;
    
    /* Text Colors */
    --text-primary: #E5E7EB;
    --text-secondary: #9CA3AF;
    --text-tertiary: #6B7280;
    
    /* Accent Colors - Single Accent */
    --accent-primary: #22C55E; /* Cold Green */
    /* Alternative: --accent-primary: #38BDF8; Cold Blue */
    
    /* Status Colors - Muted */
    --accent-success: #22C55E;
    --accent-danger: #DC2626; /* Muted red, no neon */
    --accent-warning: #F59E0B;
    --accent-info: #3B82F6;
    
    /* Borders - Subtle */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.12);
    
    /* Spacing - Generous */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius - Minimal */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    
    /* Shadows - Soft, Subtle */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    
    /* Glassmorphism */
    --glass-bg: rgba(18, 22, 28, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: 400;
}

/* Typography - Premium, Spacious */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Monospace for Numbers */
.stat-value,
.price-widget-value,
.balance-value {
    font-family: 'SF Mono', 'Monaco', 'Menlo', 'Consolas', monospace;
    font-weight: 600;
    letter-spacing: -0.03em;
}

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

/* Sidebar - Minimal, Elegant */
.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

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

.logo svg {
    width: 32px;
    height: 32px;
}

.logo svg rect {
    fill: var(--accent-primary);
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: 4px;
    transition: all 0.2s ease;
    font-size: 15px;
    font-weight: 500;
}

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

.nav-item.active {
    background: var(--bg-active);
    color: var(--accent-primary);
}

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

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke-width: 2;
    transition: all 0.2s ease;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
}

.user-status {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 240px;
    min-height: 100vh;
    background: var(--bg-primary);
}

/* Header - Clean, Minimal */
.header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(20px);
    background: rgba(14, 17, 22, 0.8);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.page-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

.status-dot.active {
    background: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
}

/* Buttons - Minimal, Elegant */
.btn-primary {
    background: var(--accent-primary);
    color: #000000;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background: #20B855;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    width: 36px;
    height: 36px;
}

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

/* Pages */
.page {
    display: none;
    padding: 32px;
    animation: fadeIn 0.4s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Stats Grid - Large Numbers, Spacious */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.3s ease;
}

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

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

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

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

.stat-change {
    font-size: 14px;
    color: var(--text-tertiary);
    font-weight: 400;
}

/* Charts - Thin Lines, Minimal */
.charts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.chart-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.chart-card.full-width {
    grid-column: 1 / -1;
    margin-bottom: 32px;
}

.tradingview-chart-container {
    position: relative;
    height: 600px;
    width: 100%;
    margin-top: 20px;
}

.tradingview-widget-container {
    height: 100%;
    width: 100%;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.chart-controls {
    display: flex;
    gap: 4px;
}

.chart-period {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.chart-period:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.chart-period.active {
    background: var(--bg-active);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.chart-container {
    position: relative;
    height: 300px;
}

/* Price Widgets - Clean, Minimal */
.price-widgets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.price-widget-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.price-widget-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.price-widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.price-symbol {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.price-change {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.price-change.positive {
    color: var(--accent-primary);
    background: rgba(34, 197, 94, 0.1);
}

.price-change.negative {
    color: var(--accent-danger);
    background: rgba(220, 38, 38, 0.1);
}

.price-widget-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.tradingview-widget-container-mini {
    height: 80px;
    width: 100%;
    margin-top: 12px;
}

.tradingview-widget-container__widget {
    height: 100%;
    width: 100%;
}

/* Tables - Clean, Minimal */
.table-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    overflow: hidden;
}

.table-container {
    overflow-x: auto;
}

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

.data-table thead {
    background: transparent;
}

.data-table th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 20px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 14px;
}

.data-table tbody tr {
    transition: all 0.2s ease;
}

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

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.empty-state {
    text-align: center;
    padding: 64px !important;
    color: var(--text-tertiary);
    font-size: 14px;
}

/* Badges - Subtle */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-danger {
    background: rgba(220, 38, 38, 0.1);
    color: var(--accent-danger);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-info);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Filters */
.filters {
    display: flex;
    gap: 12px;
}

.filter-select {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-select:hover {
    border-color: var(--border-hover);
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

/* Settings */
.settings-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}

.settings-card h3 {
    margin-bottom: 24px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.settings-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.settings-group:last-child {
    border-bottom: none;
}

.settings-group label:first-child {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}

/* Switch - Minimal */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    transition: all 0.3s ease;
    border-radius: 26px;
    border: 1px solid var(--border-color);
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: all 0.3s ease;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input:checked + .slider {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
}

input:checked + .slider:before {
    transform: translateX(18px);
}

/* Modal - Elegant */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease;
    box-shadow: var(--shadow-lg);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

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

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .charts-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page {
        padding: 20px;
    }
}

/* Scrollbar - Minimal */
::-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(--border-hover);
}

/* Hero Section - Minimal, Powerful */
.hero-section {
    margin-bottom: 48px;
    padding: 32px 0;
    text-align: left;
}

.hero-title {
    font-size: 3rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 12px;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
    line-height: 1.4;
}

/* Footer - Minimal, Quiet */
.footer {
    margin-left: 240px;
    padding: 32px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.footer-content {
    text-align: center;
}

.footer-text {
    font-size: 13px;
    color: var(--text-tertiary);
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* Smooth transitions - No aggressive animations */
a, button, input, select, textarea {
    transition: all 0.2s ease;
}

/* Focus states - Subtle */
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    outline-width: 1px;
}

/* Remove all pulsing/blinking animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Chart.js overrides for minimal style */
.chart-container canvas {
    filter: brightness(0.95);
}