:root {
    /* Brand Colors (Constant) */
    --brand-blue: #004A80;
    --brand-blue-light: #00C0F3;
    --brand-blue-dark: #002240;
    --brand-white: #FFFFFF;
    --brand-gray-light: #F2F5F7;
    --brand-gray-medium: #BFC8D2;
    --brand-black: #000000;

    /* Semaphore (Constant) */
    --status-red: #FF4C4C;
    --status-yellow: #FFD93D;
    --status-blue: #00C0F3;

    /* Spacing */
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-md: 12px;
    --radius-lg: 20px;
}

/* Dark Theme (Default) */
[data-theme="dark"] {
    --bg-page: linear-gradient(135deg, #002240 0%, #001829 100%);
    --bg-header: rgba(0, 74, 128, 0.6);
    --bg-card: rgba(0, 74, 128, 0.4);
    --bg-filter: rgba(0, 34, 64, 0.6);
    --bg-filter-hover: rgba(0, 34, 64, 0.8);
    --bg-table-row: rgba(255, 255, 255, 0.03);
    --bg-table-row-hover: rgba(255, 255, 255, 0.08);

    --border-color: rgba(255, 255, 255, 0.1);
    --border-focus: rgba(0, 192, 243, 0.3);

    --text-primary: #FFFFFF;
    --text-secondary: #BFC8D2;
    --text-accent: #00C0F3;

    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-text: 0 2px 4px rgba(0, 0, 0, 0.3);

    --glass-effect: blur(12px);
}

/* Light Theme */
[data-theme="light"] {
    --bg-page: linear-gradient(135deg, #F0F4F8 0%, #D9E2EC 100%);
    --bg-header: rgba(255, 255, 255, 0.85);
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-filter: rgba(255, 255, 255, 1);
    --bg-filter-hover: #F0F4F8;
    --bg-table-row: rgba(0, 74, 128, 0.03);
    --bg-table-row-hover: rgba(0, 74, 128, 0.08);

    --border-color: rgba(0, 74, 128, 0.1);
    --border-focus: rgba(0, 74, 128, 0.2);

    --text-primary: #002240;
    --text-secondary: #486581;
    --text-accent: #004A80;

    --shadow-card: 0 4px 12px rgba(0, 74, 128, 0.08);
    --shadow-text: none;

    --glass-effect: blur(12px);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Layout */
.dashboard-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Header */
.header {
    background: var(--bg-header);
    backdrop-filter: var(--glass-effect);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.header-title {
    font-weight: 800;
    font-size: 28px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    text-shadow: var(--shadow-text);
}

.header-logo {
    height: 60px;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 8px 12px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Filters */
.filters-bar {
    display: flex;
    gap: var(--spacing-md);
    background: var(--bg-card);
    backdrop-filter: var(--glass-effect);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    flex-wrap: wrap;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    position: relative;
    z-index: 20;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    min-width: 200px;
}

.filter-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-select {
    background-color: var(--bg-filter);
    color: var(--text-primary);
    border: 1px solid var(--border-focus);
    padding: 12px 16px;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-select:hover {
    border-color: var(--text-accent);
    background-color: var(--bg-filter-hover);
}

.filter-select:focus {
    box-shadow: 0 0 0 3px var(--border-focus);
    border-color: var(--text-accent);
}

/* Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-effect);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.kpi-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
    /* Fallback */
}

/* Specific gradient for dark/light kpi cards if needed, but card bg works well */

.kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--status-color, var(--text-secondary));
    box-shadow: 0 0 12px var(--status-color);
}

.kpi-value {
    font-size: 56px;
    font-weight: 800;
    color: var(--status-color, var(--text-primary));
    text-shadow: var(--shadow-text);
    line-height: 1;
    margin-top: 8px;
}

.kpi-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Charts */
.chart-container {
    height: 450px;
    width: 100%;
    margin-top: var(--spacing-md);
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
    /* Spacing between rows */
    color: var(--text-secondary);
}

.data-table th {
    text-align: left;
    padding: var(--spacing-md);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--text-accent);
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: var(--spacing-md);
    background: var(--bg-table-row);
    border: none;
    color: var(--text-primary);
}

.data-table tr td:first-child {
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.data-table tr td:last-child {
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

.data-table tr:hover td {
    background-color: var(--bg-table-row-hover);
    transform: scale(1.005);
    transition: all 0.2s ease;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #000;
    /* Always black text for readability on colored badges */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Utilities */
.text-right {
    text-align: right;
}

.text-center {
    text-align: center;
}

.w-full {
    width: 100%;
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

/* Theme Toggle Button */
.theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

[data-theme="light"] .theme-toggle {
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
        padding: var(--spacing-md);
    }

    .filters-bar {
        flex-direction: column;
        padding: var(--spacing-md);
    }

    .dashboard-container {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .kpi-value {
        font-size: 40px;
    }
}

/* Multi Select Dropdown */
.multi-select-container {
    position: relative;
    width: 100%;
}

.multi-select-trigger {
    background-color: var(--bg-filter);
    color: var(--text-primary);
    border: 1px solid var(--border-focus);
    padding: 12px 16px;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    cursor: pointer;
    width: 100%;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.multi-select-trigger:hover {
    border-color: var(--text-accent);
    background-color: var(--bg-filter-hover);
}

.multi-select-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    /* Will be overridden or ensure variable is opaque enough */
    background-color: #002240;
    /* Fallback opaque for dark mode */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 4px;
    z-index: 9999;
    /* Higher z-index to overlap cards */
    box-shadow: var(--shadow-card);
    overflow: hidden;
    /* backdrop-filter: blur(20px); Removed to ensure opacity */
}

[data-theme="light"] .multi-select-menu {
    background-color: #FFFFFF;
}

.multi-select-search {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
}

.multi-select-search input {
    width: 100%;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: var(--bg-filter);
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
}

.multi-select-options {
    max-height: 250px;
    overflow-y: auto;
    padding: 4px 0;
}

.multi-select-option {
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 13px;
    color: var(--text-primary);
}

.multi-select-option:hover {
    background: var(--bg-filter-hover);
}

.multi-select-option input[type="checkbox"] {
    accent-color: var(--text-accent);
    width: 16px;
    height: 16px;
    cursor: pointer;
}