:root {
    --primary-green: #166647;
    --light-green: #f0f7f4;
    --background-gray: #f8f9fa;
    --border-gray: #e9ecef;
    --text-dark: #212529;
    --text-light: #6c757d;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

body {
    display: flex;
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-gray);
    color: var(--text-dark);
    height: 100vh;
    overflow: hidden; 
}

* {
    box-sizing: border-box;
}

.sidebar {
    width: 260px;
    background-color: var(--primary-green);
    color: var(--white);
    display: flex;
    flex-direction: column;
    padding: 24px;
    height: 100vh;
    position: sticky;
    top: 0;
    flex-shrink: 0;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
}

.sidebar-header {
    margin-bottom: 30px;
    padding-left: 10px;
}
.sidebar-header h3 {
    margin: 0;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
}
.sidebar-header p {
    margin: 0;
    font-size: 14px;
    opacity: 0.8;
    font-family: 'Poppins', sans-serif;
}
.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--white);
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.2s ease;
    font-family: 'Poppins', sans-serif;
}
.sidebar-nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}
.sidebar-nav a.active {
    background-color: var(--white);
    color: var(--primary-green);
    font-weight: 600;
}
.sidebar-nav a i {
    width: 20px;
    text-align: center;
}

.main-content {
    flex-grow: 1;
    padding: 30px;
    width: 100%;
    height: 100vh; 
    overflow-y: auto; 
    overflow-x: hidden;
    padding-bottom: 120px; 
}

.main-content::-webkit-scrollbar {
    width: 8px;
}
.main-content::-webkit-scrollbar-track {
    background: #f1f1f1;
}
.main-content::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}
.main-content::-webkit-scrollbar-thumb:hover {
    background: #bbb;
}

.main-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 30px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
    margin-right: auto;
}

.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.menu-overlay.active {
    display: block;
    opacity: 1;
}

.logout-btn {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    padding: 8px 16px;
    border: 1px solid var(--border-gray);
    border-radius: 8px;
    transition: background-color 0.2s;
    font-size: 0;
    font-family: 'Poppins', sans-serif;
}
.logout-btn:hover {
    background-color: var(--border-gray);
}
.logout-btn i {
    margin-right: 8px;
    font-size: 16px;
}
.logout-btn::after {
    content: 'uColab';
    font-size: 16px;
    font-weight: 600;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}
.page-header h1 {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.5rem, 4vw, 2rem);
}
.page-header .subtitle {
    margin: 5px 0 0;
    color: var(--text-light);
    font-family: 'Poppins', sans-serif;
}

.sdg-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-gray);
}
.tab-btn {
    padding: 10px 20px;
    border: none;
    background: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
    font-family: 'Poppins', sans-serif;
    white-space: nowrap;
}
.tab-btn:hover {
    color: var(--text-dark);
}
.tab-btn.active {
    color: var(--primary-green);
    font-weight: 600;
    border-bottom: 3px solid var(--primary-green);
}

.sdg-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.sdg-stat-card {
    background-color: var(--white);
    padding: 20px 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    font-family: 'Poppins', sans-serif;
}
.sdg-stat-card .stat-title {
    margin: 0;
    font-size: 15px;
    color: var(--text-light);
    font-weight: 500;
}
.sdg-stat-card .stat-number {
    margin: 8px 0;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
}
.sdg-stat-card .stat-subtitle {
    margin: 0;
    font-size: 13px;
    color: var(--text-light);
}

.sdg-stat-card.primary {
    background-color: var(--primary-green);
}
.sdg-stat-card.primary .stat-title,
.sdg-stat-card.primary .stat-number,
.sdg-stat-card.primary .stat-subtitle {
    color: var(--white);
}
.sdg-stat-card.primary .stat-subtitle {
    opacity: 0.8;
}

.content-card {
    background-color: var(--white);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    font-family: 'Poppins', sans-serif;
}
.content-card h2 {
    margin: 0 0 20px 0;
    font-size: 18px;
    font-family: 'Poppins', sans-serif;
}

.chart-layout {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.chart-wrapper {
    position: relative;
    flex: 1.5;
    width: 100%;
    min-height: 400px; 
    max-height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chart-legend-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    align-content: start;
    max-height: 500px;
    overflow-y: auto;
    padding: 5px;
}

.chart-legend-grid::-webkit-scrollbar {
    width: 6px;
}
.chart-legend-grid::-webkit-scrollbar-track {
    background: #f1f1f1;
}
.chart-legend-grid::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.legend-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid #eee;
    font-size: 13px;
    transition: all 0.2s ease;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.03);
    user-select: none;
}

.legend-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.08);
}

.legend-card.inactive {
    opacity: 0.5;
    background-color: #f1f1f1;
    border-color: #ddd;
    filter: grayscale(100%);
}

.legend-color {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.legend-label {
    font-weight: 600;
    color: #333;
    font-size: 12px;
}

.sdg-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.sdg-item-card {
    display: flex;
    align-items: center;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 5px solid #ccc; 
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    min-height: 80px; 
    height: auto;
    font-family: 'Poppins', sans-serif;
}

.sdg-item-info {
    flex: 1;
    padding-right: 10px;
}

.sdg-item-info h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    font-family: 'Poppins', sans-serif;
}

.sdg-item-info p {
    margin: 2px 0 0 0;
    font-size: 12px;
    color: #666;
    line-height: 1.3; 
}

.sdg-item-count {
    margin-left: auto;
    font-size: 18px;
    font-weight: 700;
    color: #333;
    background: #fff;
    padding: 5px 10px;
    border-radius: 50px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    min-width: 40px; 
    text-align: center;
    font-family: 'Poppins', sans-serif;
}

@media (max-width: 992px) {
    .sdg-stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    .chart-layout {
        flex-direction: column;
        align-items: stretch;
    }
    .chart-wrapper {
        min-height: 300px;
    }
    .chart-legend-grid {
        max-height: none;
        overflow-y: visible;
    }
}

@media (max-width: 768px) {
    body {
        position: relative;
    }
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100%;
        transform: translateX(-100%);
        width: 260px;
        box-shadow: 4px 0 15px rgba(0,0,0,0.1);
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .main-content {
        padding: 20px;
        padding-bottom: 120px; 
        width: 100%;
    }
    .menu-toggle {
        display: block;
    }
    .main-header {
        justify-content: space-between;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .sdg-breakdown-grid {
        grid-template-columns: 1fr;
    }
    .sdg-stat-card .stat-number {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 15px;
        padding-bottom: 120px;
    }
    .sdg-tabs {
        flex-direction: column;
        width: 100%;
    }
    .tab-btn {
        width: 100%;
        text-align: left;
        padding: 12px;
    }
    .sdg-stats-grid {
        grid-template-columns: 1fr;
    }
    .chart-legend-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}