:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f29;
    --bg-tertiary: #252b37;
    --bg-card: #1e2530;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --border-color: #30363d;
    --accent-primary: #58a6ff;
    --accent-secondary: #238636;
    --accent-danger: #f85149;
    --shadow: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #f0f2f5;
    --bg-card: #ffffff;
    --text-primary: #24292f;
    --text-secondary: #57606a;
    --border-color: #d0d7de;
    --accent-primary: #0969da;
    --accent-secondary: #1a7f37;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

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

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px var(--shadow);
}

.header-content {
    max-width: 2000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.header-controls {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: #4893e8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.3);
}

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

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

/* Main Layout */
.main-content {
    display: grid;
    grid-template-columns: 300px 1fr 400px;
    gap: 1.5rem;
    padding: 1.5rem;
    max-width: 2000px;
    margin: 0 auto;
    min-height: calc(100vh - 80px);
}

/* Sidebar */
.sidebar {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    overflow-y: auto;
    max-height: calc(100vh - 120px);
    border: 1px solid var(--border-color);
}

.sidebar::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

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

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

.control-section {
    margin-bottom: 2rem;
}

.control-section:last-child {
    margin-bottom: 0;
}

.control-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all 0.2s;
}

.form-group input[type="number"]:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

.form-group input[type="range"] {
    width: 100%;
    margin-top: 0.5rem;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
}

.form-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.form-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 8px rgba(88, 166, 255, 0.5);
}

.radio-group {
    display: flex;
    gap: 1rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    margin-bottom: 0 !important;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Main Panel */
.main-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Summary Card */
.summary-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow);
}

.summary-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.summary-item .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-item .value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.effects-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.effects-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.effect-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.effect-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.effect-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-primary);
}

/* Charts */
.charts-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.chart-card {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow);
}

.chart-card h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.chart-card canvas {
    max-height: 200px;
}

/* Table Panel */
.table-panel {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 120px);
}

.table-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.table-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.table-container {
    overflow-y: auto;
    flex: 1;
}

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

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

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

thead {
    position: sticky;
    top: 0;
    background: var(--bg-tertiary);
    z-index: 10;
}

th {
    padding: 0.75rem 0.5rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 0.75rem 0.5rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
    background: var(--bg-tertiary);
}

tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

/* Responsive */
@media (max-width: 1400px) {
    .main-content {
        grid-template-columns: 280px 1fr 350px;
    }
}

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }
    
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
}

/* Hidden class */
.hidden {
    display: none !important;
}