:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
    --profit-color: #10b981;
    --loss-color: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.15), transparent 25%), radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.1), transparent 25%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--card-border);
}

.header-content h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-content p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.header-stats {
    display: flex;
    gap: 1.5rem;
}

.stat-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    text-align: right;
    backdrop-filter: blur(10px);
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.profit { color: var(--profit-color); }
.loss { color: var(--loss-color); }

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(16px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.card h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

th, td {
    padding: 0.75rem 0.5rem;
    border-bottom: 1px solid var(--card-border);
}

th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

td {
    font-size: 0.95rem;
}

tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.year-cell {
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
}

.total-cell {
    font-weight: 700;
    background-color: rgba(255, 255, 255, 0.05);
}

.count-cell {
    font-size: 0.75rem;
    line-height: 1.2;
    text-align: left;
    white-space: nowrap;
}

.count-row {
    display: flex;
    justify-content: space-between;
    padding: 1px 0;
}

/* Tabs */
.tabs-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.main-tabs-container {
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.5rem;
}

.sub-tabs-container {
    flex-wrap: wrap;
    gap: 0.5rem;
}

.main-tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    transition: all 0.2s;
}

.main-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.main-tab-btn.active {
    color: var(--bg-color);
    background: var(--accent-color);
}

.main-tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

.tab-btn {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.tab-btn.active {
    color: #fff;
    background: rgba(59, 130, 246, 0.25);
    border-color: rgba(59, 130, 246, 0.5);
    font-weight: 600;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Deep Stats Grid */
.deep-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.stat-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.stat-list-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.stat-list-item span:first-child {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.stat-list-item span.stat-value {
    font-size: 1.1rem;
}

/* Risk Panel */
.risk-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
    border-left: 4px solid var(--accent-color);
}

.risk-input-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.risk-input-group label {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

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

.input-wrapper input {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 0.5rem 2rem 0.5rem 1rem;
    color: #fff;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    width: 120px;
    transition: all 0.2s;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.pct-symbol {
    position: absolute;
    right: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.risk-output-group {
    text-align: right;
}

.risk-output-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.risk-output-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--profit-color);
}

/* Responsive Design for Mobile & Tablets */
@media screen and (max-width: 768px) {
    .dashboard-container {
        padding: 1rem;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .header-content h1 {
        font-size: 1.4rem;
    }

    /* Stats Grid */
    .header-stats {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .stat-box {
        padding: 0.75rem 1rem;
        text-align: left;
    }
    
    .stat-value {
        font-size: 1.25rem;
    }

    /* Risk Controller */
    .risk-panel {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
        padding: 1rem 1.25rem;
    }

    .risk-output-group {
        text-align: left;
        width: 100%;
        border-top: 1px solid var(--card-border);
        padding-top: 1rem;
    }

    /* Stats Layout */
    .deep-stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* Horizontal Native App-like Scrolling for Tabs */
    .tabs-container {
        display: flex;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.5rem;
        margin-right: -1rem; 
        margin-left: -1rem;
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* Hide scrollbars but keep functionality */
    .tabs-container::-webkit-scrollbar,
    .sub-tabs-container::-webkit-scrollbar {
        display: none;
    }
    
    .tabs-container {
        -ms-overflow-style: none;  /* IE and Edge */
        scrollbar-width: none;  /* Firefox */
    }

    /* Common Sub Tabs Logic */
    .sub-tabs-container {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 0.5rem;
    }
    
    .tab-btn, .sub-tab-btn {
        flex-shrink: 0;
        font-size: 0.95rem;
        padding: 0.5rem 0.85rem;
    }

    /* Responsive Chart sizing */
    .chart-container {
        height: 280px;
    }

    .card {
        padding: 1rem;
        border-radius: 12px;
        margin-bottom: 1.5rem;
    }

    /* Tables: Sticky Year Column so scrolling right doesn't lose context */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .year-cell {
        position: sticky;
        left: 0;
        /* Using a solid background matching the dashboard dark theme instead of variables carrying transparency */
        background-color: #1e293b; 
        z-index: 10;
        box-shadow: 2px 0 5px rgba(0,0,0,0.4);
    }
    
    th.year-cell {
        z-index: 11; 
    }
}