:root {
    --bg: #000000;
    --bg-elevated: #0a0a0a;
    --text: #ffffff;
    --text-muted: #666666;
    --text-dim: #444444;
    --border: #222222;
    --accent: #ffffff;
    --positive: #4ade80;
    --negative: #f87171;

    /* Spacing scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;

    /* Font scale */
    --font-xs: 0.65rem;
    --font-sm: 0.75rem;
    --font-md: 0.875rem;
    --font-lg: 1rem;
    --font-xl: 1.25rem;
    --font-xxl: 1.5rem;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
}

.container,
.page-wrapper {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

nav.main-nav {
    display: flex;
    gap: var(--space-xs);
    background: var(--bg);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
}

nav.main-nav a {
    font-family: system-ui, sans-serif;
    font-size: var(--font-sm);
    font-weight: 600;
    text-decoration: none;
    color: var(--text-muted);
    padding: var(--space-sm) var(--space-md);
    border-radius: 4px;
    transition: all 0.1s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

nav.main-nav a:hover {
    color: var(--text);
    background: var(--border);
}

nav.main-nav a.active {
    background: var(--text);
    color: var(--bg);
}

.page-wrapper {
    padding: var(--space-sm) 0 var(--space-xl);
    max-width: 1600px;
    margin: 0 auto;
}

/* Page header removed */

.control-panel {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.input-row,
.filter-row,
.action-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-label {
    font-family: system-ui, sans-serif;
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.input-field,
.select-field,
.filter-textarea {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 12px;
    font-family: system-ui, sans-serif;
    font-size: 0.75rem;
    color: var(--text);
    transition: border-color 0.1s;
    min-width: 150px;
}

.input-field:focus,
.select-field:focus,
.filter-textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.input-field::placeholder,
.filter-textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

.filter-textarea {
    flex: 1;
    min-height: 44px;
    max-height: 150px;
    resize: vertical;
}

.btn {
    font-family: system-ui, sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 10px 20px;
    border-radius: 4px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.1s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
    background: var(--bg);
    color: var(--text);
}

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

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

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

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

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

.btn-danger {
    background: var(--negative);
    color: var(--bg);
    border-color: var(--negative);
}

.btn-danger:hover {
    background: #ef4444;
    border-color: #ef4444;
}

.tf-selector {
    display: flex;
    gap: 4px;
    background: var(--bg);
    padding: 4px;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.tf-selector .tf-btn {
    font-family: system-ui, sans-serif;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 6px 12px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.1s;
}

.tf-selector .tf-btn:hover {
    color: var(--text);
    background: var(--border);
}

.tf-selector .tf-btn.active {
    background: var(--accent);
    color: var(--bg);
}

.view-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg);
    padding: 4px;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.view-toggle .view-btn {
    font-family: system-ui, sans-serif;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 6px 12px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.1s;
}

.view-toggle .view-btn:hover {
    color: var(--text);
    background: var(--border);
}

.view-toggle .view-btn.active {
    background: var(--accent);
    color: var(--bg);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-md);
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-md);
}

.list-layout {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.status {
    font-family: system-ui, sans-serif;
    font-size: var(--font-sm);
    color: var(--text-muted);
    padding: var(--space-lg);
    text-align: center;
}

.status-empty,
.status-loading,
.status-error {
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
}

.status-error {
    color: var(--negative);
    border-color: var(--negative);
}

.result-card,
.stats-card,
.trade-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    transition: border-color 0.1s;
}

.result-card:hover,
.stats-card:hover,
.trade-card:hover {
    border-color: var(--text-muted);
}

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

.card-title {
    font-weight: 600;
    font-size: var(--font-lg);
}

.card-subtitle {
    font-family: system-ui, sans-serif;
    font-size: var(--font-xs);
    color: var(--text-muted);
}

.card-chart {
    height: 220px;
    background: var(--bg);
}

.card-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border);
}

.metric-cell {
    background: var(--bg-elevated);
    padding: 8px;
    text-align: center;
}

.metric-label {
    font-family: system-ui, sans-serif;
    font-size: 0.55rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.metric-value {
    font-family: system-ui, sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
}

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

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

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

.summary-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.summary-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 12px;
    text-align: center;
}

.summary-label {
    font-family: system-ui, sans-serif;
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}

.summary-value {
    font-family: system-ui, sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
}

.summary-value.positive {
    color: var(--positive);
}

.summary-value.negative {
    color: var(--negative);
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-positive {
    background: rgba(74, 222, 128, 0.15);
    color: var(--positive);
}

.badge-negative {
    background: rgba(248, 113, 113, 0.15);
    color: var(--negative);
}

.badge-neutral {
    background: rgba(102, 102, 102, 0.15);
    color: var(--text-muted);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 24px;
    width: 350px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.flex {
    display: flex;
}

.flex-1 {
    flex: 1;
}

.gap-sm {
    gap: 8px;
}

.gap-md {
    gap: 16px;
}

.gap-lg {
    gap: 24px;
}

.mt-auto {
    margin-top: auto;
}

.ml-auto {
    margin-left: auto;
}

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

.text-dim {
    color: var(--text-muted);
}

.hidden {
    display: none;
}

@media (max-width: 900px) {
    .input-row,
    .filter-row,
    .action-row {
        flex-direction: column;
        align-items: stretch;
    }

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

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

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

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

.result-card,
.stats-card,
.trade-card,
.summary-card {
    animation: fadeIn 0.2s ease-out;
}

.unified-chart-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.unified-chart-card .lt-chart-card-header {
    padding: var(--space-sm) var(--space-md);
}

.unified-chart-card .lt-chart-card-body {
    padding: 0 var(--space-md) var(--space-sm);
}

.unified-chart-card .lt-card-chart {
    height: 240px;
}

.unified-chart-card .lt-card-chart.short {
    height: 220px;
}

.scanner-card .lt-card-chart,
.stock-card .lt-card-chart,
.gainer-card .lt-card-chart {
    height: 240px;
}

.unified-chart-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--border);
    gap: var(--space-md);
}

.unified-chart-metrics {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-sm);
}

.unified-chart-date {
    font-size: var(--font-xs);
    color: var(--text-muted);
    font-weight: 600;
}

.unified-chart-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.scanner-card .unified-chart-label-selector,
.scanner-card .unified-chart-last-update,
.scanner-card .unified-chart-volume {
    display: none;
}

.stock-card .unified-chart-volume {
    display: none;
}

.gainer-card .unified-chart-label-selector,
.gainer-card .unified-chart-last-update {
    display: none;
}

.unified-chart-label {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    color: #000;
    background: #666666;
    margin-left: 8px;
}

.unified-chart-label-selector {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    max-width: 120px;
}

.unified-chart-last-update {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-left: auto;
}

.unified-chart-volume {
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
}

.unified-chart-action-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px 12px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.1s;
}

.unified-chart-action-btn:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

.unified-chart-action-btn.added {
    background: var(--positive);
    color: #000;
    border-color: var(--positive);
}

.unified-chart-action-btn.remove {
    background: transparent;
    color: var(--negative);
    border-color: var(--negative);
}

.unified-chart-action-btn.remove:hover {
    background: var(--negative);
    color: white;
}

.unified-chart-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.unified-chart-title-group {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.unified-chart-symbol {
    color: var(--accent);
    font-size: 1rem;
    font-weight: 700;
    white-space: nowrap;
}

.unified-chart-ohlcv {
    color: var(--text-muted);
    font-size: 0.65rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: system-ui, sans-serif;
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border);
    max-width: 200px;
}

.unified-chart-ohlcv-overlay {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 10;
    pointer-events: none;
}

.unified-chart-ohlcv-overlay .unified-chart-ohlcv {
    font-size: 0.65rem;
    padding: 3px 6px;
    background: rgba(30, 30, 30, 0.85);
    backdrop-filter: blur(4px);
}

.unified-chart-header-row .unified-chart-ohlcv {
    flex-shrink: 0;
}

.unified-chart-meta-row {
    margin-top: 6px;
}

.unified-chart-price {
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 600;
}

.unified-chart-change {
    font-size: 0.7rem;
    font-weight: 600;
}

.unified-chart-change.positive {
    color: var(--positive);
}

.unified-chart-change.negative {
    color: var(--negative);
}

.stock-row {
    display: grid;
    grid-template-columns: 90px 90px 90px 90px 100px 70px;
    gap: 6px;
    align-items: center;
    padding: 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.7rem;
    transition: border-color 0.1s;
}

.stock-row:hover {
    border-color: var(--accent);
}

.stock-row-symbol {
    font-weight: 600;
    color: var(--accent);
}

.stock-row-price {
    font-weight: 600;
}

.stock-row-change {
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    text-align: center;
}

.stock-row-change.positive {
    color: var(--positive);
    background: rgba(74, 222, 128, 0.15);
}

.stock-row-change.negative {
    color: var(--negative);
    background: rgba(248, 113, 113, 0.15);
}

.stock-row-volume {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.label-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    color: #000;
}

.search-bar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-elevated);
    padding: 16px;
    border-radius: 4px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.bar-top {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.bar-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 12px;
    gap: 12px;
}

.ohlcv-tooltip {
    position: absolute;
    background: rgba(10, 10, 10, 0.95);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px;
    color: white;
    font-size: 11px;
    pointer-events: none;
    z-index: 1000;
}

textarea {
    flex: 1;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 16px;
    border-radius: 4px;
    font-family: system-ui, sans-serif;
    font-size: 1rem;
    min-height: 44px;
    max-height: 150px;
    resize: vertical;
    transition: border-color 0.1s;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    background: var(--bg-elevated);
    border-radius: 4px;
    border: 1px solid var(--border);
}

input,
select,
textarea {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 4px;
    padding: 8px 12px;
}

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

button {
    font-family: system-ui, sans-serif;
    cursor: pointer;
    border-radius: 4px;
    border: 1px solid transparent;
    padding: 10px 16px;
    font-weight: 600;
    transition: transform 0.1s ease, filter 0.1s ease;
    background: var(--bg);
    color: var(--text);
}

button:active {
    transform: scale(0.98);
}

button.secondary {
    background: #30363d;
    color: #8b949e;
    border-color: transparent;
}

button.secondary:hover {
    background: #3d444d;
    color: #c9d1d9;
}

button.danger {
    background: #da3633;
    color: white;
}

button.danger:hover {
    background: #f85149;
}