/* Black background theme for portfolio analysis */

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

body {
    background-color: #000000;
    color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

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

/* Header */
.header {
    border-bottom: 2px solid #0066cc;
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.header h1 {
    font-size: 2.5rem;
    color: #0066cc;
    font-weight: 300;
    letter-spacing: 1px;
}

/* Control Panel */
.controls {
    background-color: #1a1a1a;
    border: 1px solid #333333;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 4px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    align-items: flex-end;
}

.control-group {
    display: flex;
    flex-direction: column;
}

.control-group label {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: #cccccc;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.control-group select,
.control-group input[type="number"] {
    padding: 10px 12px;
    background-color: #2a2a2a;
    border: 1px solid #444444;
    color: #ffffff;
    font-size: 1rem;
    border-radius: 3px;
    transition: border-color 0.3s;
}

.control-group select:focus,
.control-group input[type="number"]:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.btn-primary {
    padding: 10px 24px;
    background-color: #0066cc;
    border: none;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background-color: #0052a3;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-primary:disabled {
    background-color: #444444;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Chart Section */
.chart-section {
    margin-bottom: 40px;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.chart-card {
    display: flex;
    flex-direction: column;
}

.chart-card h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: #cccccc;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chart-section h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #0066cc;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.chart-container {
    background-color: #1a1a1a;
    border: 1px solid #333333;
    padding: 20px;
    border-radius: 4px;
    position: relative;
    height: 400px;
}

.chart-container canvas {
    max-height: 350px;
}

/* Table Section */
.table-section {
    margin-bottom: 40px;
}

.table-section h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #0066cc;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.table-wrapper {
    background-color: #1a1a1a;
    border: 1px solid #333333;
    border-radius: 4px;
    overflow: visible;
    max-height: none;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.data-table thead {
    background-color: #2a2a2a;
    border-bottom: 2px solid #0066cc;
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    padding: 12px 15px;
    text-align: left;
    font-weight: 500;
    color: #ffffff;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 10px 15px;
    border-bottom: 1px solid #2a2a2a;
    color: #ffffff;
}

.data-table tbody tr {
    transition: background-color 0.2s;
}

.data-table tbody tr:hover {
    background-color: #2a2a2a;
}

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

/* Table text styling */
.data-table th,
.data-table td {
    color: #ffffff;
}

.data-table td {
    text-align: left;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 30px !important;
    color: #666666;
    font-style: italic;
}

/* Loading indicator */
.loading {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #0066cc;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8rem;
    }

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

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

    .chart-container {
        height: 600px;
    }

    .chart-container canvas {
        max-height: 550px;
    }

    .data-table {
        font-size: 0.85rem;
    }

    .data-table th,
    .data-table td {
        padding: 8px 10px;
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #444444;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555555;
}