:root {
    --font-primary: 'Vazirmatn', 'Tahoma', sans-serif;
    --primary-dark: #2c3e50;
    --primary-light: #ecf0f1;
    --accent-main: #3498db;
    --accent-light: #2980b9;
    --bg-main: #f4f7f6;
    --bg-card: #ffffff;
    --bg-alt: #f8f9fa;
    --text-dark: #323e48;
    --text-medium: #555e68;
    --border-light: #dee2e6;
    --border-medium: #ced4da;
    --shadow-light: rgba(0,0,0,0.06);
    --shadow-medium: rgba(0,0,0,0.08);
    --kpi-text-transition: color 200ms ease-in-out;
    --kpi-bg-transition: background-color 200ms ease-in-out;
}

@font-face {
    font-family: 'Vazirmatn';
    src: url('fonts/Vazirmatn-Regular.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('fonts/Vazirmatn-Bold.woff2') format('woff2');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

body {
    font-family: var(--font-primary);
    margin: 0;
    background-color: var(--bg-main);
    color: var(--text-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

.dashboard-container {
    width: 95%;
    max-width: 1600px;
    margin: 20px auto;
    background-color: var(--bg-card);
    box-shadow: 0 4px 12px var(--shadow-medium);
    border-radius: 10px;
    overflow: hidden;
}

header {
    background-color: var(--primary-dark);
    color: var(--primary-light);
    padding: 15px 25px;
    text-align: center;
    border-bottom: 4px solid var(--accent-main);
}
header h1 {
    font-size: 1.7em;
    font-weight: bold;
    margin: 0;
}

.main-content {
    display: flex;
    padding: 20px;
    gap: 25px;
}

.sidebar {
    width: 300px;
    min-width: 280px;
    padding-right: 20px;
    border-left: 1px solid #e9ecef;
    background-color: #fdfdfd;
}

.kpi-main {
    background-color: var(--bg-alt);
    padding: 18px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 25px;
    box-shadow: 0 2px 4px var(--shadow-light);
}
.kpi-main .title {
    font-size: 1em;
    color: var(--text-medium);
    margin-bottom: 12px;
    font-weight: bold;
}
.kpi-content-wrapper {
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.kpi-single-view {
    display: block;
}
.kpi-multi-view {
    display: none;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}
.kpi-multi-item {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    align-items: center;
    padding: 10px 12px;
    border-radius: 6px;
    gap: 2px 12px;
    transition: var(--kpi-bg-transition), var(--kpi-text-transition);
}
.kpi-multi-item-env {
    grid-column: 1;
    grid-row: 1;
    font-weight: bold;
    font-size: 1.0em;
    text-align: right;
}
.kpi-multi-item-level {
    grid-column: 1;
    grid-row: 2;
    font-size: 0.85em;
    text-align: right;
    opacity: 0.9;
}
.kpi-multi-item-value {
    grid-column: 2;
    grid-row: 1 / 3;
    font-size: 1.6em;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.kpi-donut-chart-container {
    position: relative;
    width: 130px;
    height: 130px;
    margin: 0 auto 10px auto;
}
.kpi-donut-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.8em;
    font-weight: bold;
    color: var(--primary-dark);
    transition: var(--kpi-text-transition);
}
.kpi-risk-level-text {
    font-size: 0.9em;
    font-weight: bold;
    padding: 6px 12px;
    border-radius: 15px;
    display: inline-block;
    margin-top: 5px;
    transition: var(--kpi-bg-transition), var(--kpi-text-transition);
}

.filters .filter-group-tree {
    margin-bottom: 25px;
}
.filters .filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--bg-alt);
    margin-bottom: 15px;
}
.filters .filter-group-tree h4 {
    margin: 0;
    padding-bottom: 10px;
    color: var(--primary-dark);
    font-size: 1.1em;
}
#clearFiltersBtn {
    background: transparent;
    border: 1px solid var(--accent-main);
    color: var(--accent-main);
    padding: 4px 10px;
    font-size: 0.8em;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
}
#clearFiltersBtn:hover {
    background-color: var(--accent-main);
    color: white;
}

.filters .filter-group-tree label {
    display: inline-flex;
    align-items: center;
    font-size: 0.9em;
    color: var(--text-dark);
    transition: all 0.2s ease;
    width: 100%;
}
.filters .filter-group-tree summary {
    cursor: pointer;
    width: 100%;
}
.filters .filter-group-tree summary label {
    width: auto;
    flex-grow: 1;
}

.filters .filter-group-tree input[type="checkbox"] {
    margin-left: 8px;
    vertical-align: middle;
    flex-shrink: 0;
}
.filters .tree-item {
    padding: 2px 0;
}
.filters .tree-item summary {
    padding: 5px;
    list-style: none; /* Hide default marker */
    display: flex;
    align-items: center;
    gap: 5px;
}
.filters .tree-item summary::-webkit-details-marker {
    display: none;
}
.filters .tree-item summary::before { /* Custom marker */
    content: '◀';
    font-size: 0.6em;
    margin-left: 1px;
    transition: transform 0.3s ease-in-out;
    width: 10px;
    display: inline-block;
}
.filters .tree-item[open] > summary::before {
    transform: rotate(-90deg);
}

.filters .tree-item summary:hover {
    background-color: #f0f3f4;
}
.filters .level-0 > summary { font-size: 1em; font-weight: bold; }
.filters .level-1 > summary { font-size: 0.95em; }
.filters .tree-item-children {
    padding-right: 20px;
    border-right: 1px solid #e0e0e0;
}
.filters .tree-item-children .tree-item-children {
    padding-right: 15px;
}

.charts-area {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.chart-container {
    background-color: var(--bg-card);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px var(--shadow-light);
    margin-bottom: 25px;
    display: flex;
    flex-direction: column;
    position: relative;
}
.chart-container h3 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--primary-dark);
    font-size: 1.2em;
    flex-shrink: 0;
}
.chart-container h3 .bar-chart-year {
    font-size: 0.9em;
    color: var(--accent-light);
    font-weight: bold;
}

.category-totals-container {
    padding-bottom: 10px;
}
.category-totals-container h3 {
    margin-bottom: 15px;
}

.chart-header-with-controls {
    margin-bottom: 10px;
    flex-shrink: 0;
}
.chart-header-with-controls .chart-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 10px;
}
#toggleChartTypeBtn {
    background: #e9ecef;
    border: 1px solid var(--border-medium);
    color: var(--text-medium);
    padding: 5px 12px;
    font-size: 0.85em;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s ease;
}
#toggleChartTypeBtn:hover {
    background-color: #dee2e6;
}

.trend-chart-time-filters {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 15px;
}
.date-range-selectors {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5px;
}
.date-range-selectors .date-range-item {
    display: flex;
    align-items: center;
    gap: 8px;
}
.date-range-selectors .date-range-item label {
    font-size: 0.9em;
    color: var(--text-medium);
    white-space: nowrap;
}
.date-range-selectors .date-range-item select {
    width: 90px;
    padding: 6px 8px;
    border: 1px solid var(--border-medium);
    border-radius: 5px;
    font-size: 0.9em;
    font-family: var(--font-primary);
    background-color: var(--bg-card);
}
.slider-container {
    width: 100%;
    padding: 0 10px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    gap: 10px;
}
.slider-container .slider-wrapper {
    position: relative;
    width: 99%;
    direction: ltr;
    flex-grow: 1;
}
.slider-nav-btn {
    background: #e9ecef;
    border: 1px solid var(--border-medium);
    color: var(--text-dark);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2em;
    line-height: 1;
    transition: all 0.2s ease;
}
.slider-nav-btn:hover {
    background-color: #dee2e6;
}
.slider-nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #e9ecef;
}
.slider-container input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #d3dce6;
    border-radius: 5px;
    outline: none;
    opacity: 0.9;
    transition: opacity .2s;
    cursor: pointer;
}
.slider-container input[type="range"]:hover { opacity: 1; }
.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: var(--accent-main);
    border-radius: 50%;
    border: 3px solid var(--bg-card);
    box-shadow: 0 0 4px rgba(0,0,0,0.4);
    margin-top: -7px;
}
.slider-container input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: var(--accent-main);
    border-radius: 50%;
    border: 3px solid var(--bg-card);
    box-shadow: 0 0 4px rgba(0,0,0,0.4);
    cursor: pointer;
}
.slider-container #year-slider-tooltip {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-dark);
    color: var(--primary-light);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 1.1em;
    font-weight: bold;
    pointer-events: none;
    white-space: nowrap;
}
.slider-container #year-slider-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--primary-dark);
}


.unified-trend-chart-container {
    height: 700px;
    min-height: 420px;
}

.trend-chart-wrapper {
    position: relative;
    flex-grow: 1;
    min-height: 150px;
    display: flex;
    flex-direction: column;
    width: 95%;
    right: 4%;
}
.unified-trend-chart-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.stacked-bar-overall-container {
    height: 600px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-grow: 1;
}
.stacked-bar-overall-container canvas {
    aspect-ratio: 16 / 11;
    width: 100% !important;
    height: auto !important;
    max-height: calc(100% - 115px);
}

.stacked-bar-legend {
    display: none;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    font-size: 0.9em;
    color: var(--text-medium);
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}
.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    display: inline-block;
}

.stacked-bar-totals-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    padding: 15px 10px 10px 10px;
    text-align: center;
    border-top: 1px solid #e8edf1;
    margin-top: 15px;
    flex-shrink: 0;
}
.total-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 10px 5px;
    border-radius: 6px;
    background-color: #f9f9fa;
    min-height: 90px;
    box-shadow: 0 1px 2px var(--shadow-light);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}
.total-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.total-item-category {
    font-size: 0.8em;
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-weight: bold;
    text-align: center;
    height: 2.5em;
    display: flex;
    align-items: center;
    justify-content: center;
}
.total-item-value {
    font-size: 1.7em;
    font-weight: bold;
    padding: 6px 12px;
    border-radius: 16px;
    min-width: 55px;
    line-height: 1.3;
    text-align: center;
    transition: var(--kpi-bg-transition);
}

.chartjs-tooltip {
    opacity: 0;
    position: absolute;
    background: rgba(44, 62, 80, 0.9);
    color: white;
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 0.9em;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 100;
    font-family: var(--font-primary);
    min-width: 150px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.16);
    direction: rtl;
    text-align: right;
}
.chartjs-tooltip-title {
    font-weight: bold;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}
.chartjs-tooltip-body {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.chartjs-tooltip-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chartjs-tooltip-item .color-box {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    display: inline-block;
    margin-left: 6px;
}
.chartjs-tooltip-total {
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid rgba(255,255,255,0.2);
    font-weight: bold;
    font-size: 1.05em;
    display: flex;
    justify-content: space-between;
}

@media (max-width: 992px) {
    .main-content { flex-direction: column; overflow: visible; }
    .sidebar { width: 100%; max-height: none; height: auto; border-left: none; border-bottom: 1px solid #dde2e7; padding-right: 0; margin-bottom: 20px; overflow-y: visible; }
    .stacked-bar-totals-grid { grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); }
    .date-range-selectors { flex-direction: column; gap: 15px; align-items: stretch; }
}
@media (max-width: 768px) {
    header h1 { font-size: 1.5em; }
    .stacked-bar-totals-grid { grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); }
}
@media (max-width: 480px) {
    .stacked-bar-totals-grid { grid-template-columns: repeat(2, 1fr); }
    header h1 { font-size: 1.3em; }
}