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

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: #0a1518;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #e0e8f0;
}

/* HEADER */
header {
    background: linear-gradient(135deg, #1a3a3a 0%, #0f2a2a 100%);
    border-bottom: 2px solid #2a8f7f;
    padding: 25px 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

header h1 {
    color: #5dd9c1;
    font-size: 32px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* MAIN DASHBOARD WRAPPER */
.dashboard-wrapper {
    display: flex;
    flex: 1;
    gap: 0;
    overflow: hidden;
}

/* LEFT SECTION - STATS */
.left-section {
    width: 18%;
    min-width: 200px;
    background: linear-gradient(180deg, #1a3a3a 0%, #0f2a2a 100%);
    border-right: 2px solid #2a8f7f;
    padding: 20px;
    overflow-y: auto;
    flex-shrink: 0;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.3);
}

.stats-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #244444 0%, #1a3a3a 100%);
    border: 1px solid #2a8f7f;
    border-radius: 8px;
    padding: 16px 12px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.stat-card:hover {
    background: linear-gradient(135deg, #2a5555 0%, #204444 100%);
    border-color: #5dd9c1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(42, 143, 127, 0.2);
}

.stat-label {
    color: #7ac9b9;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    color: #5dd9c1;
    font-size: 20px;
    font-weight: 700;
    word-break: break-word;
}

/* CENTER SECTION - CHARTS */
.center-section {
    flex: 1;
    background-color: #0a1518;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.dashboard-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: 100%;
}

/* LARGE CHART WRAPPER */
.large-chart-wrapper {
    flex: 0 0 auto;
    min-height: 420px;
    max-height: 420px;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #1a3a3a 0%, #0f2a2a 100%);
    border: 1px solid #2a8f7f;
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.large-chart-wrapper .chart-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    gap: 8px;
}

.large-chart-wrapper .chart-title-row h3 {
    color: #5dd9c1;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    flex: 1;
}

#chart2YearDisplay, #chart3YearDisplay {
    color: #7ac9b9;
    font-weight: normal;
    font-size: 14px;
    opacity: 0.9;
}

.large-chart-wrapper .chart {
    flex: 1;
    background: linear-gradient(135deg, #0f2a2a 0%, #0a1518 100%);
    border: 1px solid #244444;
    border-radius: 4px;
    padding: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.large-chart-wrapper .chart-body {
    flex: 1;
    overflow: hidden;
}

/* Make chart divs fill the large wrapper */
.large-chart-wrapper #chartdiv1,
.large-chart-wrapper #chartdiv2,
.large-chart-wrapper #chartdiv3,
.large-chart-wrapper #chartdiv,
.large-chart-wrapper #chartdiv5-inner,
.large-chart-wrapper #chartdiv6 {
    height: 340px !important;
}

/* SMALL CHARTS GRID */
.small-charts-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
    min-height: 0;
}

.small-chart-wrapper {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #1a3a3a 0%, #0f2a2a 100%);
    border: 1px solid #2a8f7f;
    border-radius: 8px;
    padding: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    min-height: 0;
}

/* First 3 charts span 2 columns each */
.small-chart-wrapper:nth-child(1),
.small-chart-wrapper:nth-child(2),
.small-chart-wrapper:nth-child(3) {
    grid-column: span 2;
}

/* Last 2 charts span 3 columns each */
.small-chart-wrapper:nth-child(4),
.small-chart-wrapper:nth-child(5) {
    grid-column: span 3;
}

.small-chart-wrapper:hover {
    border-color: #5dd9c1;
    box-shadow: 0 4px 12px rgba(42, 143, 127, 0.2);
}

.small-chart-wrapper .chart-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    gap: 8px;
    flex-wrap: wrap;
}

.small-chart-wrapper .chart-title-row h3 {
    color: #5dd9c1;
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    flex: 1;
    min-width: 120px;
}

.small-chart-wrapper .chart {
    flex: 1;
    background: linear-gradient(135deg, #0f2a2a 0%, #0a1518 100%);
    border: 1px solid #244444;
    border-radius: 4px;
    padding: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.small-chart-wrapper .chart-body {
    flex: 1;
    overflow: hidden;
}

/* BUTTONS */
.swap-btn {
    background: linear-gradient(135deg, #2a8f7f 0%, #1a6f5f 100%);
    color: #e0e8f0;
    border: 1px solid #5dd9c1;
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.swap-btn:hover {
    background: linear-gradient(135deg, #3a9f8f 0%, #2a7f6f 100%);
    box-shadow: 0 2px 6px rgba(93, 217, 193, 0.3);
}

/* RIGHT SECTION - FILTERS */
.right-section {
    width: 18%;
    min-width: 200px;
    background: linear-gradient(180deg, #1a3a3a 0%, #0f2a2a 100%);
    border-left: 2px solid #2a8f7f;
    padding: 20px;
    overflow-y: auto;
    flex-shrink: 0;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.3);
}

.filter-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.panel-title {
    color: #5dd9c1;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.panel-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.panel-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #2a8f7f 0%, #1a6f5f 100%);
    color: #e0e8f0;
    border: 1px solid #5dd9c1;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.panel-btn:hover {
    background: linear-gradient(135deg, #3a9f8f 0%, #2a7f6f 100%);
    box-shadow: 0 4px 12px rgba(93, 217, 193, 0.3);
    transform: translateY(-2px);
}

.panel-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #2a8f7f, transparent);
    margin: 5px 0;
}

.filter-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background: rgba(42, 143, 127, 0.08);
    border-radius: 6px;
    border: 1px solid rgba(42, 143, 127, 0.2);
}

.filter-label {
    color: #7ac9b9;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-checkbox {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 2px solid #2a8f7f;
    border-radius: 3px;
    cursor: pointer;
    background-color: transparent;
    transition: all 0.2s ease;
}

.filter-checkbox:hover {
    border-color: #5dd9c1;
    box-shadow: 0 0 8px rgba(93, 217, 193, 0.3);
}

.filter-checkbox:checked {
    background-color: #2a8f7f;
    border-color: #5dd9c1;
}

.filter-select {
    width: 100%;
    padding: 8px 10px;
    background-color: rgba(42, 143, 127, 0.15);
    color: #e0e8f0;
    border: 1px solid #2a8f7f;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.filter-select:hover,
.filter-select:focus {
    border-color: #5dd9c1;
    background-color: rgba(42, 143, 127, 0.25);
    outline: none;
}

.filter-select option {
    background-color: #1a3a3a;
    color: #e0e8f0;
    padding: 8px;
}

.filter-select option:hover {
    background-color: #2a8f7f;
    color: #e0e8f0;
}

.filter-select option:checked {
    background-color: #2a8f7f;
    background-image: linear-gradient(#2a8f7f, #2a8f7f);
    color: #e0e8f0;
}

.apply-filters-btn {
    width: 100%;
    margin-top: 12px;
    padding: 12px;
    background: linear-gradient(135deg, #2a8f7f 0%, #1a6f5f 100%);
    color: #e0e8f0;
    border: 1px solid #5dd9c1;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.apply-filters-btn:hover {
    background: linear-gradient(135deg, #3a9f8f 0%, #2a7f6f 100%);
    box-shadow: 0 4px 12px rgba(93, 217, 193, 0.3);
    transform: translateY(-2px);
}

/* DATASET VIEW */
main#datasetView {
    flex: 1;
    padding: 20px;
    background-color: #0a1518;
    overflow-y: auto;
}

.dataset-view-container {
    background: linear-gradient(135deg, #1a3a3a 0%, #0f2a2a 100%);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #2a8f7f;
    color: #e0e8f0;
}

.dataset-view-container h2 {
    color: #5dd9c1;
    margin-bottom: 15px;
}

.back-to-graphs-btn,
.export-dataset-btn {
    padding: 8px 15px;
    background-color: #2a8f7f;
    color: #e0e8f0;
    border: 1px solid #5dd9c1;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
    transition: all 0.2s ease;
}

.back-to-graphs-btn:hover,
.export-dataset-btn:hover {
    background-color: #1a6f5f;
    box-shadow: 0 2px 6px rgba(93, 217, 193, 0.3);
}

.dataset-selector-container {
    margin-bottom: 25px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.dataset-button {
    padding: 10px 20px;
    border: 1px solid #2a8f7f;
    background-color: transparent;
    color: #7ac9b9;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 12px;
}

.dataset-button:hover {
    border-color: #5dd9c1;
    color: #5dd9c1;
    transform: translateY(-1px);
}

.dataset-button.active {
    background: linear-gradient(135deg, #2a8f7f 0%, #1a6f5f 100%);
    color: #e0e8f0;
    border-color: #5dd9c1;
    box-shadow: 0 2px 6px rgba(93, 217, 193, 0.3);
}

.dataset-container {
    overflow-x: auto;
    margin-top: 20px;
}

.dataset-table {
    width: 100%;
    border-collapse: collapse;
    color: #e0e8f0;
}

.dataset-table thead tr {
    background-color: #2a8f7f;
}

.dataset-table th,
.dataset-table td {
    padding: 12px;
    border: 1px solid #244444;
    text-align: left;
    font-size: 12px;
}

.dataset-table tbody tr {
    border-bottom: 1px solid #0f2a2a;
}

.dataset-table tbody tr:hover {
    background-color: #1a3a3a;
}

/* FOOTER */
footer {
    background-color: #050a0d;
    border-top: 2px solid #2a8f7f;
    padding: 15px 20px;
    text-align: center;
    color: #5a8070;
    font-size: 11px;
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1400px) {
    .small-charts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .small-charts-grid {
        grid-template-columns: 1fr;
    }
    
    .left-section,
    .right-section {
        width: 15%;
        min-width: 150px;
        padding: 15px;
    }
    
    .large-chart-wrapper {
        min-height: 350px;
        max-height: 350px;
    }
}

@media (max-width: 700px) {
    .dashboard-wrapper {
        flex-direction: column;
    }
    
    .left-section,
    .right-section {
        width: 100%;
        min-width: auto;
        border-right: none;
        border-left: none;
        border-bottom: 2px solid #2a8f7f;
        border-top: 2px solid #2a8f7f;
        padding: 12px;
        max-height: 150px;
    }
    
    .center-section {
        padding: 12px;
    }
    
    .stats-container,
    .filter-panel {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .stat-card {
        flex: 1;
        min-width: 120px;
        padding: 12px 8px;
    }
    
    .filter-section {
        flex: 1;
        min-width: 150px;
        padding: 10px;
    }
    
    .small-charts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    header {
        padding: 15px 20px;
    }
    
    header h1 {
        font-size: 24px;
    }
}

/* ENHANCED TRANSITIONS AND ANIMATIONS */
#graphsView,
#datasetView {
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

#graphsView[style*="display: none"],
#datasetView[style*="display: none"] {
    opacity: 0;
    visibility: hidden;
}

#graphsView[style*="display: block"],
#datasetView[style*="display: block"] {
    opacity: 1;
    visibility: visible;
}

/* ENHANCED FOCUS STATES */
.swap-btn:focus,
.panel-btn:focus,
.dataset-button:focus,
.filter-select:focus,
.filter-checkbox:focus {
    outline: 2px solid #5dd9c1;
    outline-offset: 2px;
}

/* IMPROVED TABLE STYLING */
.dataset-table {
    width: 100%;
    border-collapse: collapse;
}

.dataset-table thead {
    background: linear-gradient(135deg, #2a8f7f 0%, #1a6f5f 100%);
    position: sticky;
    top: 0;
    z-index: 10;
}

.dataset-table th {
    color: #e0e8f0;
    font-weight: 600;
    text-align: left;
    padding: 12px !important;
    border: 1px solid #2a8f7f !important;
    letter-spacing: 0.5px;
}

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

.dataset-table tbody tr:hover {
    background-color: rgba(93, 217, 193, 0.1) !important;
}

.dataset-table tbody tr:nth-child(even) {
    background-color: rgba(42, 143, 127, 0.05);
}

.dataset-table td {
    padding: 10px !important;
    border: 1px solid #555 !important;
}

/* SMOOTH BUTTON INTERACTIONS */
.swap-btn,
.panel-btn,
.dataset-button {
    position: relative;
    overflow: hidden;
}

.swap-btn::before,
.panel-btn::before,
.dataset-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    pointer-events: none;
}

.swap-btn:active::before,
.panel-btn:active::before,
.dataset-button:active::before {
    width: 300px;
    height: 300px;
}

/* ENHANCED CHART WRAPPER STYLING */
.small-chart-wrapper {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.small-chart-wrapper:hover {
    box-shadow: 0 8px 20px rgba(42, 143, 127, 0.15);
}

.large-chart-wrapper {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.large-chart-wrapper:hover {
    box-shadow: 0 8px 20px rgba(42, 143, 127, 0.15);
}

/* IMPROVED TEXT SELECTION */
::selection {
    background-color: #2a8f7f;
    color: #e0e8f0;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(42, 143, 127, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #2a8f7f 0%, #1a6f5f 100%);
    border-radius: 4px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #3a9f8f 0%, #2a7f6f 100%);
}

@media (max-width: 500px) {
    .small-charts-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card,
    .filter-section {
        min-width: auto;
    }
}