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

:root {
    /* Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-hover: #f0f3f6;
    --border-color: #e0e3eb;
    --text-primary: #131722;
    --text-secondary: #787b86;
    --accent-blue: #2962ff;
    --accent-blue-hover: #1e53e5;
    --bullish: #26a69a;
    --bearish: #ef5350;
    --neutral: #787b86;
}

.dark-theme {
    /* Dark Theme */
    --bg-primary: #131722;
    --bg-secondary: #1e222d;
    --bg-hover: #2a2e39;
    --border-color: #2a2e39;
    --text-primary: #d1d4dc;
    --text-secondary: #787b86;
    --accent-blue: #2962ff;
    --accent-blue-hover: #1e53e5;
    --bullish: #26a69a;
    --bearish: #ef5350;
    --neutral: #787b86;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.app-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

#themeToggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

#themeToggle:hover {
    background: var(--bg-hover);
}

#themeToggle svg {
    stroke: var(--text-primary);
}

.dark-theme .sun-icon {
    display: none;
}

.dark-theme .moon-icon {
    display: block;
}

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

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

/* Controls */
.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 20px;
    flex-wrap: wrap;
}

.pattern-tabs,
.market-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Tab Buttons */
.tab-btn,
.market-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.tab-btn:hover,
.market-btn:hover {
    background: var(--bg-hover);
}

.tab-btn.active,
.market-btn.active {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
}

.tab-btn.active svg,
.market-btn.active svg {
    stroke: #ffffff;
}

.tab-btn svg {
    stroke: var(--text-secondary);
}

.tab-btn.active svg {
    stroke: #ffffff;
}

/* Table Container */
.table-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

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

.data-table thead {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    text-align: left;
    padding: 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

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

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

.data-table td {
    padding: 16px;
    font-size: 14px;
}

/* Symbol Column */
.symbol-cell {
    font-weight: 600;
    color: var(--text-primary);
}

.symbol-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.symbol-name {
    font-weight: 600;
    color: var(--text-primary);
}

.symbol-meta {
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    gap: 8px;
}

.option-badge {
    background: var(--bg-hover);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

/* LTP Column */
.ltp-cell {
    font-weight: 600;
}

.ltp-value {
    display: block;
}

.ltp-change {
    font-size: 12px;
    margin-left: 4px;
}

.ltp-change.positive {
    color: var(--bullish);
}

.ltp-change.negative {
    color: var(--bearish);
}

/* Pattern Column */
.pattern-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pattern-icon {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pattern-icon.bullish {
    background: rgba(38, 166, 154, 0.15);
    border: 1px solid rgba(38, 166, 154, 0.3);
}

.pattern-icon.bearish {
    background: rgba(239, 83, 80, 0.15);
    border: 1px solid rgba(239, 83, 80, 0.3);
}

.pattern-icon.neutral {
    background: rgba(120, 123, 134, 0.15);
    border: 1px solid rgba(120, 123, 134, 0.3);
}

.pattern-icon svg {
    width: 24px;
    height: 24px;
}

.pattern-name {
    color: var(--text-primary);
}

/* Sentiment Column */
.sentiment {
    font-weight: 600;
}

.sentiment.Bullish {
    color: var(--bullish);
}

.sentiment.Bearish {
    color: var(--bearish);
}

.sentiment.Neutral {
    color: var(--neutral);
}

/* Time Column */
.time-cell {
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .data-table th:nth-child(5),
    .data-table td:nth-child(5) {
        display: none;
    }
}

@media (max-width: 992px) {
    .app-container {
        padding: 15px;
    }

    .controls {
        flex-direction: column;
        align-items: stretch;
    }

    .pattern-tabs,
    .market-tabs {
        justify-content: center;
    }

    .data-table th,
    .data-table td {
        padding: 12px 8px;
        font-size: 13px;
    }

    .data-table th:nth-child(4),
    .data-table td:nth-child(4) {
        display: none;
    }
}

@media (max-width: 768px) {
    .theme-toggle {
        top: 10px;
        right: 10px;
    }

    .tab-btn,
    .market-btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    .tab-btn svg,
    .market-btn svg {
        width: 14px;
        height: 14px;
    }

    .pattern-icon {
        width: 32px;
        height: 32px;
    }

    .pattern-icon svg {
        width: 20px;
        height: 20px;
    }

    .data-table th,
    .data-table td {
        padding: 10px 6px;
        font-size: 12px;
    }
}

@media (max-width: 576px) {
    .app-container {
        padding: 10px;
    }

    .pattern-tabs,
    .market-tabs {
        gap: 6px;
    }

    .tab-btn,
    .market-btn {
        padding: 6px 10px;
        font-size: 12px;
    }

    .data-table {
        font-size: 11px;
    }

    .data-table th,
    .data-table td {
        padding: 8px 4px;
    }

    .pattern-cell {
        gap: 8px;
    }

    .pattern-name {
        font-size: 12px;
    }

    /* Stack symbol details vertically */
    .symbol-meta {
        flex-direction: column;
        gap: 2px;
    }
}

/* Scrollbar Styling */
.table-container {
    overflow-x: auto;
}

.table-container::-webkit-scrollbar {
    height: 8px;
}

.table-container::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

.table-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}