/* Stats / Analytics Dashboard */
#analytics-content {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Dashboard Grid Structure */
.dashboard-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 2rem;
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* 1. Stat Cards (Top Left) */
.stat-cards-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-content: flex-start;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.03);
    text-align: center;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.stat-card.hero {
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    color: white;
    grid-column: span 2;
    /* Full width on top */
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 140px;
}

.stat-card.hero h3 {
    opacity: 0.9;
    margin: 0;
    font-size: 1.1em;
}

.stat-card.hero p {
    color: rgba(255, 255, 255, 0.8);
    margin-top: 5px;
    font-size: 0.9em;
}

.big-number {
    font-size: 3rem;
    font-weight: 800;
    margin: 0.5rem 0;
    color: #1F2937;
}

.hero .big-number {
    color: white;
    margin: 0;
}

.unit {
    font-size: 0.4em;
    opacity: 0.7;
    font-weight: normal;
    vertical-align: middle;
}

/* 2. Chart Container (Pie) */
.box-style {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.chart-container h3,
.heatmap-container h3 {
    margin-top: 0;
    color: #374151;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #f3f4f6;
    padding-bottom: 0.8rem;
}

/* 3. Heatmap Grid */
.heatmap-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 10px 0;
    justify-content: flex-start;
    /* or center */
}

.heat-cell {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    background-color: #ebedf0;
    /* default empty */
    cursor: pointer;
    transition: transform 0.1s;
}

.heat-cell:hover {
    transform: scale(1.4);
    border: 1px solid rgba(0, 0, 0, 0.2);
}

/* GitHub-like Green Scale */
.heat-cell[data-level="1"] {
    background-color: #9be9a8;
}

.heat-cell[data-level="2"] {
    background-color: #40c463;
}

.heat-cell[data-level="3"] {
    background-color: #30a14e;
}

.heat-cell[data-level="4"] {
    background-color: #216e39;
}

/* Responsive tweaks */
@media (max-width: 600px) {
    .stat-card.hero {
        grid-column: span 1;
    }

    .stat-cards-container {
        grid-template-columns: 1fr;
    }

    .heat-cell {
        width: 10px;
        height: 10px;
        gap: 2px;
    }
}