/* Trading Interface Styles */

/* Trading Header */
.trading-header {
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
}

.pair-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    /* add horizontal breathing room from container edges */
    padding: 0 var(--spacing-lg);
}

.pair-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.pair-icons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.coin-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.coin-icon.btc {
    background: #F7931A;
    color: white;
}

.coin-icon.usdt {
    background: #26A17B;
    color: white;
}

.pair-icons i {
    color: var(--color-text-secondary);
}

.pair-details h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.pair-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.current-price {
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.price-change {
    font-size: var(--font-size-sm);
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}

.price-change.positive {
    color: var(--color-success);
    background: rgba(14, 203, 129, 0.12);
    border-color: rgba(14, 203, 129, 0.35);
}

.price-change.negative {
    color: var(--color-danger);
    background: rgba(246, 70, 93, 0.12);
    border-color: rgba(246, 70, 93, 0.35);
}

.pair-stats {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

.stat-item {
    text-align: left;
    padding: 0 12px;
}

.stat-item + .stat-item { border-left: 1px solid var(--color-border); }

.stat-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 12px;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.stat-value {
    font-weight: 700;
    color: var(--color-text-primary);
}


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

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

.pair-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    /* shift actions slightly to the right from the left edge */
    padding: 0 var(--spacing-lg);
}

.timeframes {
    display: flex;
    gap: var(--spacing-xs);
}

.timeframe-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

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

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

.chart-tools {
    display: flex;
    gap: var(--spacing-sm);
}

.tool-btn {
    width: 36px;
    height: 36px;
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Trading Grid */
.trading-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

/* Chart Section */
.chart-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.chart-container {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.chart-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}

.price-change.positive {
    color: var(--color-success);
    background: rgba(14, 203, 129, 0.12);
    border-color: rgba(14, 203, 129, 0.35);
}

.price-change.negative {
    color: var(--color-danger);
    background: rgba(246, 70, 93, 0.12);
    border-color: rgba(246, 70, 93, 0.35);
}

.pair-stats {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

.stat-item {
    text-align: left;
    padding: 0 12px;
}

.stat-item + .stat-item { border-left: 1px solid var(--color-border); }

.stat-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 12px;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.stat-value {
    font-weight: 700;
    color: var(--color-text-primary);
}

.chart-timeframe {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.chart-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.chart-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.chart-main {
    position: relative;
    height: 400px;
    background: var(--color-bg-primary);
}

#priceChart {
    width: 100%;
    height: 100%;
}

.chart-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
}

.chart-loading i {
    font-size: var(--font-size-xl);
}

/* Static volume footer removed; TradingView can render volume study */

/* Trade History */
.trade-history {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.section-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}

.price-change.positive {
    color: var(--color-success);
    background: rgba(14, 203, 129, 0.12);
    border-color: rgba(14, 203, 129, 0.35);
}

.price-change.negative {
    color: var(--color-danger);
    background: rgba(246, 70, 93, 0.12);
    border-color: rgba(246, 70, 93, 0.35);
}

.pair-stats {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

.stat-item {
    text-align: left;
    padding: 0 12px;
}

.stat-item + .stat-item { border-left: 1px solid var(--color-border); }

.stat-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 12px;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.stat-value {
    font-weight: 700;
    color: var(--color-text-primary);
}

.history-filters {
    display: flex;
    gap: var(--spacing-xs);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-primary);
}

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

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

.history-table th {
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.history-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.history-table tr.buy .price {
    color: var(--color-success);
}

.history-table tr.sell .price {
    color: var(--color-danger);
}

/* Trading Panel */
.trading-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Order Book */
.order-book {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.order-book-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.order-book-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}

.price-change.positive {
    color: var(--color-success);
    background: rgba(14, 203, 129, 0.12);
    border-color: rgba(14, 203, 129, 0.35);
}

.price-change.negative {
    color: var(--color-danger);
    background: rgba(246, 70, 93, 0.12);
    border-color: rgba(246, 70, 93, 0.35);
}

.pair-stats {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

.stat-item {
    text-align: left;
    padding: 0 12px;
}

.stat-item + .stat-item { border-left: 1px solid var(--color-border); }

.stat-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 12px;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.stat-value {
    font-weight: 700;
    color: var(--color-text-primary);
}

.depth-toggle {
    display: flex;
    gap: var(--spacing-xs);
}

.depth-btn {
    width: 32px;
    height: 24px;
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}

.price-change.positive {
    color: var(--color-success);
    background: rgba(14, 203, 129, 0.12);
    border-color: rgba(14, 203, 129, 0.35);
}

.price-change.negative {
    color: var(--color-danger);
    background: rgba(246, 70, 93, 0.12);
    border-color: rgba(246, 70, 93, 0.35);
}

.pair-stats {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

.stat-item {
    text-align: left;
    padding: 0 12px;
}

.stat-item + .stat-item { border-left: 1px solid var(--color-border); }

.stat-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 12px;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.stat-value {
    font-weight: 700;
    color: var(--color-text-primary);
}

.depth-btn:hover,
.depth-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-primary);
}

.order-book-content {
    max-height: 400px;
    overflow-y: auto;
}

.order-book-section {
    border-bottom: 1px solid var(--color-border);
}

.section-title {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.order-list {
    font-size: var(--font-size-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.order-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.order-row:hover {
    background: var(--color-bg-tertiary);
}

.price {
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}

.price-change.positive {
    color: var(--color-success);
    background: rgba(14, 203, 129, 0.12);
    border-color: rgba(14, 203, 129, 0.35);
}

.price-change.negative {
    color: var(--color-danger);
    background: rgba(246, 70, 93, 0.12);
    border-color: rgba(246, 70, 93, 0.35);
}

.pair-stats {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

.stat-item {
    text-align: left;
    padding: 0 12px;
}

.stat-item + .stat-item { border-left: 1px solid var(--color-border); }

.stat-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 12px;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.stat-value {
    font-weight: 700;
    color: var(--color-text-primary);
}

.price.sell {
    color: var(--color-danger);
}

.price.buy {
    color: var(--color-success);
}

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

.total {
    color: var(--color-text-tertiary);
    text-align: right;
}

.spread-info {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.spread-label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    margin-right: var(--spacing-xs);
}

.spread-value {
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

/* Trading Form */
.trading-form {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    /* reserve space for sticky buttons so they don't overlap content */
    padding-bottom: 84px;
}

.form-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-md);
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

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

.tab-btn.active {
    background: var(--color-bg-primary);
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.tab-content {
    display: none;
    padding: var(--spacing-lg);
}

.tab-content.active {
    display: block;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    color: var(--color-text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.1);
}

.input-group input:read-only {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}

.input-currency {
    position: absolute;
    right: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.percentage-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.percent-btn {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

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

.balance-info {
    background: var(--color-bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.balance-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.balance-item:last-child {
    margin-bottom: 0;
}

.balance-item span:first-child {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.balance-item span:last-child {
    color: var(--color-text-primary);
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid transparent;
}

.price-change.positive {
    color: var(--color-success);
    background: rgba(14, 203, 129, 0.12);
    border-color: rgba(14, 203, 129, 0.35);
}

.price-change.negative {
    color: var(--color-danger);
    background: rgba(246, 70, 93, 0.12);
    border-color: rgba(246, 70, 93, 0.35);
}

.pair-stats {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
}

.stat-item {
    text-align: left;
    padding: 0 12px;
}

.stat-item + .stat-item { border-left: 1px solid var(--color-border); }

.stat-label {
    display: block;
    color: var(--color-text-secondary);
    font-size: 12px;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
}

.stat-value {
    font-weight: 700;
    color: var(--color-text-primary);
}

.order-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.btn-buy,
.btn-sell {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

.btn-buy:hover {
    background: #0ba86f;
    transform: translateY(-2px);
}

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

.btn-sell:hover {
    background: #d63031;
    transform: translateY(-2px);
}

/* Open Orders */
.open-orders {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.cancel-all-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-danger);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.cancel-all-btn:hover {
    background: #d63031;
}

.orders-list {
    padding: var(--spacing-lg);
}

.no-orders {
    text-align: center;
    color: var(--color-text-secondary);
}

.no-orders i {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-tertiary);
}

.no-orders p {
    font-size: var(--font-size-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.order-details {
    flex: 1;
}

.order-type {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.order-type.buy {
    color: var(--color-success);
}

.order-type.sell {
    color: var(--color-danger);
}

.order-info {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.order-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.cancel-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-xs);
}

.cancel-btn:hover {
    background: var(--color-danger);
    color: white;
    border-color: var(--color-danger);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .trading-grid {
        grid-template-columns: 1fr;
    }

    .trading-panel {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

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

@media (max-width: 768px) {
    .trading-header {
        padding: var(--spacing-md) 0;
    }

    .pair-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .pair-stats {
        width: 100%;
        justify-content: space-between;
    }

    .pair-actions {
        width: 100%;
        justify-content: space-between;
    }

    .trading-panel {
        grid-template-columns: 1fr;
    }

    .order-book {
        grid-column: span 1;
    }

    .chart-main {
        height: 300px;
    }

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

    .form-tabs {
        flex-wrap: wrap;
    }

    .tab-btn {
        flex: 1;
        min-width: 80px;
    }
}

@media (max-width: 480px) {
    .timeframes {
        flex-wrap: wrap;
    }

    .timeframe-btn {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .chart-tools {
        display: none;
    }

    .pair-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .stat-item {
        text-align: left;
    }

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

    .history-table {
        font-size: var(--font-size-xs);
    }

    .history-table th,
    .history-table td {
        padding: var(--spacing-xs);
    }
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.order-item {
    animation: slideIn 0.3s ease;
}

/* Custom Scrollbar for Order Book */
.order-book-content::-webkit-scrollbar {
    width: 6px;
}

.order-book-content::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

.order-book-content::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 3px;
}

.order-book-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-tertiary);
}

/* Loading Animation */
.chart-loading {
    animation: pulse 1.5s ease-in-out infinite;
}

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

/* Order Book Depth Visualization */
.order-row {
    position: relative;
}

.order-row::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0%;
    height: 100%;
    transition: width 0.3s ease;
    pointer-events: none;
}

.order-row.sell::before {
    background: rgba(246, 70, 93, 0.1);
}

.order-row.buy::before {
    background: rgba(14, 203, 129, 0.1);
}

.order-row:hover::before {
    width: 100%;
}
.trading-panel {
    position: sticky;
    top: 88px; /* below sticky header */
    align-self: start;
    max-height: calc(100vh - 104px);
    overflow: auto;
    padding-right: 4px; /* room for scrollbar */
}

.trading-form .order-buttons {
    position: sticky;
    bottom: 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-md);
    z-index: 2;
}

.trading-form .order-buttons .btn-buy,
.trading-form .order-buttons .btn-sell {
    flex: 1;
}