/* Polytrade Dashboard Styles */

/* Dark Theme (Default) */
:root {
    /* Colors - Improved accessibility */
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-card: #242938;
    --text-primary: #e6e9ef;
    --text-secondary: #8b949e;
    --text-muted: #9ca3af; /* Improved contrast ratio */
    --accent-blue: #58a6ff;
    --accent-green: #4ade80; /* Brighter, better visibility */
    --accent-red: #f87171; /* More distinct from other colors */
    --accent-yellow: #d29922;
    --accent-purple: #a371f7;
    --border-color: #30363d;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --hover-overlay: rgba(255, 255, 255, 0.02);

    /* Spacing - 4px grid system */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-7: 28px;
    --space-8: 32px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Focus ring */
    --focus-ring: 0 0 0 3px rgba(88, 166, 255, 0.4);
    --focus-ring-error: 0 0 0 3px rgba(248, 113, 113, 0.4);
    --focus-ring-success: 0 0 0 3px rgba(74, 222, 128, 0.4);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #6b7280; /* Improved contrast for light theme */
    --accent-blue: #3182ce;
    --accent-green: #22c55e; /* Brighter green for light theme */
    --accent-red: #ef4444; /* More distinct red for light theme */
    --accent-yellow: #d69e2e;
    --accent-purple: #805ad5;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --hover-overlay: rgba(0, 0, 0, 0.02);

    /* Light theme focus rings */
    --focus-ring: 0 0 0 3px rgba(49, 130, 206, 0.4);
    --focus-ring-error: 0 0 0 3px rgba(239, 68, 68, 0.4);
    --focus-ring-success: 0 0 0 3px rgba(34, 197, 94, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Global smooth transitions */
*,
*::before,
*::after {
    transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform;
    transition-duration: var(--transition-fast);
    transition-timing-function: ease;
}

/* Disable transitions for elements that shouldn't animate */
*:where([data-no-transition]),
*:where([data-no-transition]) * {
    transition: none !important;
}

/* Skeleton Loading Animation */
@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-secondary) 0%,
        var(--bg-card) 50%,
        var(--bg-secondary) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 4px;
    color: transparent !important;
    pointer-events: none;
    user-select: none;
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-text:last-child {
    width: 70%;
}

.skeleton-circle {
    border-radius: 50%;
}

.skeleton-pulse {
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

/* Focus-visible styles for accessibility */
:focus {
    outline: none;
}

:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* Skip to content link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-blue);
    color: white;
    padding: var(--space-2) var(--space-4);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 2rem;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all var(--transition-base);
}

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

.nav-link:focus-visible {
    box-shadow: var(--focus-ring);
}

.nav-link.active {
    color: var(--accent-blue);
    background-color: rgba(88, 166, 255, 0.1);
}

.nav-status {
    display: flex;
    align-items: center;
}

.status-indicator {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-indicator.dry {
    background-color: rgba(210, 153, 34, 0.2);
    color: var(--accent-yellow);
}

.status-indicator.live {
    background-color: rgba(248, 81, 73, 0.2);
    color: var(--accent-red);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem !important;
    border-radius: 6px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.logout-btn:hover {
    color: var(--accent-red);
    background-color: rgba(248, 81, 73, 0.1);
}

.ws-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-yellow);
    animation: pulse 2s infinite;
}

.ws-indicator.connected {
    background: var(--accent-green);
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Main Content */
.main-content {
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.metrics-grid.small {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    margin-bottom: 1.5rem;
}

.metric-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--text-muted);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
}

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

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

.metric-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

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

.chart-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.chart-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--text-muted);
}

.chart-card h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Panels */
.panel {
    background-color: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.panel:hover {
    box-shadow: var(--shadow);
}

.panel.full-width {
    width: 100%;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.panel-body {
    padding: 1rem;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    transition: background-color var(--transition-base);
}

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

.data-table tbody tr:focus-within {
    background-color: var(--hover-overlay);
}

.data-table td.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
}

.data-table .buy {
    color: var(--accent-green);
}

.data-table .sell {
    color: var(--accent-red);
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge.success {
    background-color: rgba(63, 185, 80, 0.2);
    color: var(--accent-green);
}

.badge.error {
    background-color: rgba(248, 81, 73, 0.2);
    color: var(--accent-red);
}

.badge.warning {
    background-color: rgba(210, 153, 34, 0.2);
    color: var(--accent-yellow);
}

.badge.secondary {
    background-color: rgba(139, 148, 158, 0.2);
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Button press feedback */
.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
}

/* Button focus states */
.btn:focus-visible {
    box-shadow: var(--focus-ring);
}

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

.btn-primary:hover {
    background-color: #4096e6;
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.3);
}

.btn-primary:active {
    background-color: #3182ce;
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

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

.btn-success {
    background-color: var(--accent-green);
    color: white;
}

.btn-success:hover {
    box-shadow: 0 4px 12px rgba(74, 222, 128, 0.3);
}

.btn-success:active {
    filter: brightness(0.9);
}

.btn-success:focus-visible {
    box-shadow: var(--focus-ring-success);
}

.btn-warning {
    background-color: var(--accent-yellow);
    color: black;
}

.btn-warning:hover {
    box-shadow: 0 4px 12px rgba(210, 153, 34, 0.3);
}

.btn-warning:active {
    filter: brightness(0.9);
}

.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-link {
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.875rem;
}

.btn-link:hover {
    text-decoration: underline;
}

/* Filters */
.filters-bar {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.filters-form {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.filter-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.filter-group select,
.filter-group input {
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--focus-ring);
}

.filter-group select:focus-visible,
.filter-group input:focus-visible {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--focus-ring);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.page-info {
    color: var(--text-secondary);
}

/* Strategy Grid */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.strategy-card {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.strategy-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--text-muted);
}

.strategy-card.active {
    border-color: var(--accent-green);
}

.strategy-card.inactive {
    opacity: 0.6;
}

.strategy-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.strategy-stats {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

/* Strategy Detail Cards */
.strategies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.strategy-detail-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

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

.strategy-detail-card.active {
    border-color: var(--accent-green);
}

.strategy-detail-card.inactive {
    opacity: 0.7;
}

.strategy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.strategy-header h3 {
    font-size: 1rem;
}

.status-badge {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.status-badge.active {
    background-color: rgba(63, 185, 80, 0.2);
    color: var(--accent-green);
}

.status-badge.inactive {
    background-color: rgba(139, 148, 158, 0.2);
    color: var(--text-secondary);
}

.strategy-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.strategy-metric {
    display: flex;
    flex-direction: column;
}

.strategy-metric.full-width {
    grid-column: 1 / -1;
}

.strategy-metric .label {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.strategy-metric .value {
    font-size: 0.9rem;
    font-weight: 600;
}

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

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

.strategy-metric .value.warning {
    color: var(--accent-yellow);
}

.strategy-actions {
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

/* Settings */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.setting-item label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.setting-item input[type="number"],
.setting-item input[type="text"],
.setting-item input[type="password"] {
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 100%;
    max-width: 300px;
}

.setting-item input[type="number"]:focus,
.setting-item input[type="text"]:focus,
.setting-item input[type="password"]:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--focus-ring);
}

.setting-item input[type="number"]:focus-visible,
.setting-item input[type="text"]:focus-visible,
.setting-item input[type="password"]:focus-visible {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--focus-ring);
}

.setting-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.mode-toggle {
    display: flex;
    gap: 1rem;
}

.mode-label {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    background-color: var(--bg-secondary);
    color: var(--text-muted);
}

.mode-label.active {
    background-color: var(--accent-blue);
    color: white;
}

.weight-slider {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
}

.weight-slider label {
    min-width: 150px;
}

.weight-slider input[type="range"] {
    flex: 1;
}

.config-display {
    background-color: var(--bg-secondary);
    padding: 1rem;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.8rem;
    overflow-x: auto;
    white-space: pre;
}

/* Error Page */
.error-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

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

.error-message {
    color: var(--accent-red);
    margin: 1rem 0 2rem;
}

/* Feature Docs */
.feature-docs h4 {
    color: var(--accent-blue);
    margin: 1rem 0 0.5rem;
}

.feature-docs ul {
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.feature-docs li {
    margin: 0.25rem 0;
}

/* Footer */
.footer {
    display: flex;
    justify-content: space-between;
    padding: 1rem 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
}

/* Utility Classes */
.text-muted {
    color: var(--text-muted);
}

.positive {
    color: var(--accent-green);
}

.negative {
    color: var(--accent-red);
}

.row-error {
    background-color: rgba(248, 81, 73, 0.05);
}

.side-badge {
    display: inline-block;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.market-name {
    font-weight: 500;
}

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

/* Bot Status Bar */
.bot-status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.status-main {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.status-indicator.running {
    background: rgba(63, 185, 80, 0.2);
    color: var(--accent-green);
}

.status-indicator.stopped {
    background: rgba(139, 148, 158, 0.2);
    color: var(--text-secondary);
}

.status-indicator.paused {
    background: rgba(210, 153, 34, 0.2);
    color: var(--accent-yellow);
}

.status-indicator.error,
.status-indicator.stale {
    background: rgba(248, 81, 73, 0.2);
    color: var(--accent-red);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

.status-indicator.stopped .status-dot,
.status-indicator.stale .status-dot {
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-info {
    display: flex;
    gap: 1.5rem;
}

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

.crypto-prices {
    display: flex;
    gap: 1rem;
}

.crypto-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(88, 166, 255, 0.1);
    border-radius: 8px;
    min-width: 80px;
}

.crypto-price.no-data {
    background: rgba(139, 148, 158, 0.1);
}

.crypto-symbol {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.crypto-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.status-error {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(248, 81, 73, 0.15);
    border-radius: 8px;
    color: var(--accent-red);
    font-size: 0.875rem;
    max-width: 300px;
}

.error-icon {
    font-size: 1.25rem;
}

.error-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: 400px;
}

.toast.success {
    border-left: 4px solid var(--accent-green);
}

.toast.error {
    border-left: 4px solid var(--accent-red);
}

.toast.warning {
    border-left: 4px solid var(--accent-yellow);
}

.toast.info {
    border-left: 4px solid var(--accent-blue);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

.toast-close {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.25rem;
}

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

/* Bot Controls */
.bot-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.control-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
}

.btn-icon {
    font-size: 0.9rem;
}

.emergency-stop {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.emergency-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 700;
    background: linear-gradient(135deg, #dc2626, #991b1b);
    border: 2px solid #dc2626;
    transition: all var(--transition-base);
}

.emergency-btn:hover {
    background: linear-gradient(135deg, #b91c1c, #7f1d1d);
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.4);
    transform: scale(1.01);
}

.emergency-btn:active {
    transform: scale(0.98);
    box-shadow: 0 2px 10px rgba(220, 38, 38, 0.3);
}

.emergency-btn:focus-visible {
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.5);
}

.control-status {
    min-height: 24px;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.status-pending {
    color: var(--accent-yellow);
}

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

.status-error {
    color: var(--accent-red);
}

.btn-danger {
    background-color: var(--accent-red);
    color: white;
}

.btn-danger:hover {
    box-shadow: 0 4px 12px rgba(248, 113, 113, 0.3);
}

.btn-danger:active {
    filter: brightness(0.9);
}

.btn-danger:focus-visible {
    box-shadow: var(--focus-ring-error);
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--text-muted);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle:focus-visible {
    box-shadow: var(--focus-ring);
    border-color: var(--accent-blue);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

.theme-toggle .sun-icon {
    display: block;
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: block;
}

/* Language Selector */
.language-selector-wrapper {
    position: relative;
    display: inline-block;
}

.lang-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    height: 36px;
    padding: 0 0.75rem;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-secondary);
}

.lang-toggle:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.lang-toggle:focus-visible {
    box-shadow: var(--focus-ring);
    border-color: var(--accent-blue);
}

.lang-toggle .globe-icon {
    width: 16px;
    height: 16px;
}

.lang-toggle .current-lang {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem;
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.language-selector-wrapper:hover .lang-dropdown,
.language-selector-wrapper:focus-within .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: all var(--transition-base);
    text-align: left;
}

.lang-option:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.lang-option:focus-visible {
    box-shadow: inset var(--focus-ring);
}

.lang-option.active {
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent-blue);
}

.lang-flag {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.15rem 0.4rem;
    background: var(--bg-secondary);
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.lang-option.active .lang-flag {
    background: var(--accent-blue);
    color: white;
}

.lang-name {
    flex: 1;
}

/* Form Validation */
.form-input {
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 100%;
    max-width: 300px;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus,
.form-input:focus-visible {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: var(--focus-ring);
}

.form-input.invalid {
    border-color: var(--accent-red);
    box-shadow: var(--focus-ring-error);
}

.form-input.invalid:focus,
.form-input.invalid:focus-visible {
    box-shadow: var(--focus-ring-error);
}

.form-input.valid {
    border-color: var(--accent-green);
}

.form-input.valid:focus,
.form-input.valid:focus-visible {
    box-shadow: var(--focus-ring-success);
}

.validation-message {
    font-size: 0.75rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

.validation-message.error {
    color: var(--accent-red);
}

.validation-message.success {
    color: var(--accent-green);
}

/* Form Feedback Messages */
.form-feedback {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin: 0.5rem 0;
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.form-feedback.show {
    display: flex;
}

.form-feedback.success {
    background: rgba(63, 185, 80, 0.15);
    border: 1px solid rgba(63, 185, 80, 0.3);
    color: var(--accent-green);
}

.form-feedback.error {
    background: rgba(248, 81, 73, 0.15);
    border: 1px solid rgba(248, 81, 73, 0.3);
    color: var(--accent-red);
}

.form-feedback-icon {
    font-size: 1rem;
}

/* Tooltips */
.tooltip-label {
    position: relative;
    cursor: help;
    border-bottom: 1px dotted var(--text-secondary);
    display: inline-block;
}

.tooltip-label::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-primary);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    margin-bottom: 8px;
}

.tooltip-label::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--border-color);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 101;
    margin-bottom: -4px;
}

.tooltip-label:hover::after,
.tooltip-label:hover::before {
    opacity: 1;
    visibility: visible;
}

/* Button Tooltip (for disabled buttons) */
.btn-tooltip-wrapper {
    position: relative;
    display: inline-block;
}

.btn-tooltip-wrapper .btn[disabled] {
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-tooltip-wrapper .tooltip-text {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    margin-bottom: 8px;
}

.btn-tooltip-wrapper:hover .tooltip-text {
    opacity: 1;
    visibility: visible;
}

/* Password Result Styling */
.password-result {
    font-size: 0.85rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    border-radius: 4px;
}

.password-result.error {
    color: var(--accent-red);
    background: rgba(248, 81, 73, 0.1);
}

.password-result.success {
    color: var(--accent-green);
    background: rgba(63, 185, 80, 0.1);
}

.password-result code {
    word-break: break-all;
    font-size: 0.75rem;
    display: block;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: 4px;
}

/* PnL Bar Width Classes */
.pnl-bar-w-0 { width: 0%; }
.pnl-bar-w-5 { width: 5%; }
.pnl-bar-w-10 { width: 10%; }
.pnl-bar-w-15 { width: 15%; }
.pnl-bar-w-20 { width: 20%; }
.pnl-bar-w-25 { width: 25%; }
.pnl-bar-w-30 { width: 30%; }
.pnl-bar-w-35 { width: 35%; }
.pnl-bar-w-40 { width: 40%; }
.pnl-bar-w-45 { width: 45%; }
.pnl-bar-w-50 { width: 50%; }
.pnl-bar-w-60 { width: 60%; }
.pnl-bar-w-70 { width: 70%; }
.pnl-bar-w-80 { width: 80%; }
.pnl-bar-w-90 { width: 90%; }
.pnl-bar-w-100 { width: 100%; }

/* PnL Bar Position Classes */
.pnl-bar-left {
    left: 50%;
}

.pnl-bar-right {
    right: 50%;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
    display: none;
    overflow-x: hidden;
    overflow-y: auto;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: -1;
}

.modal-dialog {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 1rem;
    pointer-events: none;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-height: calc(100vh - 2rem);
    pointer-events: auto;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.modal-header h3,
.modal-header .modal-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-1);
    line-height: 1;
    border-radius: 4px;
    transition: all var(--transition-base);
}

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

.modal-close:focus-visible {
    box-shadow: var(--focus-ring);
}

.modal-close:active {
    transform: scale(0.95);
}

.modal-body {
    padding: 1.25rem;
    overflow-y: auto;
    flex: 1 1 auto;
    max-height: calc(100vh - 200px);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

/* Button text wrapping prevention */
.btn,
.control-btn,
.emergency-btn {
    white-space: nowrap;
}

.emergency-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Responsive - Tablet (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
    .main-content {
        padding: 1.5rem;
    }

    .metrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .metrics-grid.small {
        grid-template-columns: repeat(4, 1fr);
    }

    .charts-row {
        grid-template-columns: 1fr;
    }

    .chart-card {
        min-height: 300px;
    }

    .chart-card canvas,
    .chart-card .chart-container {
        width: 100% !important;
        height: auto !important;
        min-height: 250px;
    }

    .two-column {
        grid-template-columns: 1fr;
    }

    .strategies-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }

    .bot-status-bar {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .status-info {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }

    .modal-dialog {
        max-width: 600px;
    }
}

/* Responsive - Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-content {
        padding: 0.75rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .metrics-grid.small {
        grid-template-columns: repeat(2, 1fr);
    }

    .metric-card {
        padding: 1rem;
    }

    .metric-value {
        font-size: 1.5rem;
    }

    .two-column,
    .charts-row {
        grid-template-columns: 1fr;
    }

    .chart-card {
        padding: 1rem;
        min-height: 280px;
    }

    .chart-card canvas,
    .chart-card .chart-container {
        width: 100% !important;
        height: auto !important;
        min-height: 220px;
    }

    .bot-status-bar {
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem;
        gap: 1rem;
    }

    .status-main {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        width: 100%;
    }

    .status-info {
        flex-direction: column;
        gap: 0.5rem;
    }

    .crypto-prices {
        width: 100%;
        justify-content: space-between;
    }

    .crypto-price {
        flex: 1;
        min-width: 70px;
        padding: 0.4rem 0.5rem;
    }

    .crypto-value {
        font-size: 0.9rem;
    }

    .strategies-grid {
        grid-template-columns: 1fr;
    }

    .strategy-detail-card {
        padding: 1rem;
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }

    .setting-item input[type="number"],
    .setting-item input[type="text"],
    .setting-item input[type="password"] {
        max-width: 100%;
    }

    .filters-bar {
        padding: 0.75rem;
    }

    .filters-form {
        flex-direction: column;
        gap: 0.75rem;
    }

    .filter-group {
        width: 100%;
    }

    .filter-group select,
    .filter-group input {
        width: 100%;
    }

    .panel {
        border-radius: 8px;
    }

    .panel-header {
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .panel-body {
        padding: 0.75rem;
    }

    .control-buttons {
        flex-direction: column;
    }

    .control-btn {
        width: 100%;
        justify-content: center;
    }

    .emergency-btn {
        padding: 0.875rem;
        font-size: 1rem;
    }

    /* Modal responsive */
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }

    .modal-content {
        max-height: calc(100vh - 1rem);
    }

    .modal-body {
        max-height: calc(100vh - 160px);
        padding: 1rem;
    }

    .modal-header,
    .modal-footer {
        padding: 0.75rem 1rem;
    }

    .modal-footer {
        flex-wrap: wrap;
    }

    .modal-footer .btn {
        flex: 1;
        min-width: 100px;
    }

    /* Table responsive */
    .data-table th,
    .data-table td {
        padding: 0.5rem;
        font-size: 0.8rem;
    }

    .table-responsive {
        margin: 0 -0.75rem;
        padding: 0 0.75rem;
    }

    /* Toast responsive */
    .toast-container {
        left: 10px;
        right: 10px;
        top: auto;
        bottom: 20px;
    }

    .toast {
        max-width: 100%;
    }

    /* Footer responsive */
    .footer {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        padding: 1rem;
    }
}

/* Responsive - Extra small devices (max-width: 480px) */
@media (max-width: 480px) {
    .main-content {
        padding: 0.5rem;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid.small {
        grid-template-columns: 1fr 1fr;
    }

    .metric-card {
        padding: 0.875rem;
    }

    .metric-value {
        font-size: 1.25rem;
    }

    .chart-card {
        padding: 0.75rem;
    }

    .nav-link {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }

    .brand-text {
        font-size: 1rem;
    }

    .crypto-prices {
        flex-wrap: wrap;
    }

    .crypto-price {
        min-width: 60px;
    }

    .strategy-metrics {
        grid-template-columns: 1fr;
    }

    .header-actions .btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* ===========================================
   Design System Utility Classes
   =========================================== */

/* Spacing utilities using the 4px grid */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-7 { margin: var(--space-7); }
.m-8 { margin: var(--space-8); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-7 { padding: var(--space-7); }
.p-8 { padding: var(--space-8); }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* Interactive card variant - for cards that are clickable */
.card-interactive {
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card-interactive:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-blue);
}

.card-interactive:active {
    transform: translateY(-2px);
}

.card-interactive:focus-visible {
    box-shadow: var(--focus-ring), var(--shadow-lg);
    border-color: var(--accent-blue);
}

/* Loading state for buttons */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: button-spin 0.6s linear infinite;
}

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

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .skeleton {
        animation: none;
        background: var(--bg-secondary);
    }

    .metric-card:hover,
    .chart-card:hover,
    .strategy-card:hover,
    .strategy-detail-card:hover,
    .card-interactive:hover {
        transform: none;
    }
}