/* ==========================================================================
   ElectraGov Stylesheet – Fatehganj West Month-wise Dashboard
   Aesthetics: Sleek glassmorphism, dark theme, high contrast accent colors,
   Outfit typography, and micro-interactions.
   ========================================================================== */

/* ── Design Tokens & CSS Variables ─────────────────────────────────────── */
:root {
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Theme Colors */
    --bg-app: #080b11;
    --bg-sidebar: #0d121f;
    --bg-card: rgba(18, 25, 41, 0.65);
    --bg-card-hover: rgba(26, 36, 58, 0.8);
    --bg-input: rgba(10, 15, 28, 0.8);

    /* Borders */
    --border-color: rgba(255, 255, 255, 0.05);
    --border-color-hover: rgba(99, 102, 241, 0.25);
    --border-glow: rgba(99, 102, 241, 0.15);

    /* Text Colors */
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --text-highlight: #ffffff;

    /* Accent Palette (HSL) */
    --color-primary: 99, 102, 241;   /* Indigo */
    --color-success: 16, 185, 129;   /* Emerald */
    --color-warning: 245, 158, 11;   /* Amber */
    --color-danger: 244, 63, 94;     /* Rose */
    --color-info: 56, 189, 248;      /* Sky */

    /* Shadows & Transitions */
    --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px 0 rgba(99, 102, 241, 0.15);
    
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base Styles ────────────────────────────────────────────────── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
    background-image: 
        radial-gradient(at 10% 20%, rgba(99, 102, 241, 0.05) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(244, 63, 94, 0.04) 0px, transparent 50%);
    background-attachment: fixed;
}

/* ── Scrollbars ────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(18, 25, 41, 0.3);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.3);
}

/* ── App Layout ────────────────────────────────────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar Component ──────────────────────────────────────────────────── */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.brand-icon {
    font-size: 1.8rem;
    background: linear-gradient(135deg, rgb(var(--color-primary)), rgb(var(--color-info)));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(var(--color-primary), 0.3));
}

.brand-text h1 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-highlight);
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-item i {
    width: 20px;
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.nav-item:hover {
    color: var(--text-highlight);
    background-color: rgba(255, 255, 255, 0.03);
    border-left-color: rgba(var(--color-primary), 0.5);
}

.nav-item.active {
    color: var(--text-highlight);
    background-color: rgba(var(--color-primary), 0.1);
    border-left-color: rgb(var(--color-primary));
    box-shadow: inset 0 0 15px rgba(var(--color-primary), 0.05);
}

.nav-item.active i {
    color: rgb(var(--color-primary));
}

.substation-info {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 12px;
}

.info-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.info-value {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ── Main Content Component ─────────────────────────────────────────────── */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 40px;
    max-width: 1600px;
}

/* ── Top Header Component ────────────────────────────────────────────────── */
.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    gap: 24px;
}

.header-title h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-highlight);
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.header-title p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ── Dataset Selector (Pill Toggle) ─────────────────────────────────────── */
.dataset-selector-wrapper {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 16px;
    background-color: rgba(255, 255, 255, 0.02);
    padding: 6px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.selector-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.toggle-container {
    display: flex;
    background-color: var(--bg-input);
    border-radius: 20px;
    padding: 3px;
    border: 1px solid var(--border-color);
}

.toggle-btn {
    background: none;
    border: none;
    padding: 8px 16px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: 18px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toggle-btn i {
    font-size: 0.85rem;
}

.toggle-btn:hover {
    color: var(--text-highlight);
}

.toggle-btn.active {
    color: var(--text-highlight);
    background-color: rgb(var(--color-primary));
    box-shadow: 0 4px 12px rgba(var(--color-primary), 0.3);
}

/* ── KPI Grid Component ─────────────────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.kpi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(12px);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: transparent;
    transition: var(--transition-normal);
}

.kpi-card:hover {
    transform: translateY(-4px);
    background-color: var(--bg-card-hover);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-glow);
}

.kpi-card:hover::before {
    background-color: rgb(var(--color-primary));
}

.kpi-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition-normal);
}

/* Icon Color Variants using HSL opacities */
.kpi-icon-wrapper.blue { background-color: rgba(var(--color-info), 0.1); color: rgb(var(--color-info)); }
.kpi-icon-wrapper.green { background-color: rgba(var(--color-success), 0.1); color: rgb(var(--color-success)); }
.kpi-icon-wrapper.amber { background-color: rgba(var(--color-warning), 0.1); color: rgb(var(--color-warning)); }
.kpi-icon-wrapper.red { background-color: rgba(var(--color-danger), 0.1); color: rgb(var(--color-danger)); }

.kpi-card:hover .kpi-icon-wrapper.blue { background-color: rgb(var(--color-info)); color: #fff; box-shadow: 0 0 15px rgba(var(--color-info), 0.4); }
.kpi-card:hover .kpi-icon-wrapper.green { background-color: rgb(var(--color-success)); color: #fff; box-shadow: 0 0 15px rgba(var(--color-success), 0.4); }
.kpi-card:hover .kpi-icon-wrapper.amber { background-color: rgb(var(--color-warning)); color: #fff; box-shadow: 0 0 15px rgba(var(--color-warning), 0.4); }
.kpi-card:hover .kpi-icon-wrapper.red { background-color: rgb(var(--color-danger)); color: #fff; box-shadow: 0 0 15px rgba(var(--color-danger), 0.4); }

.kpi-details h3 {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.kpi-value {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-highlight);
    line-height: 1.1;
    margin-bottom: 4px;
}

.kpi-subtext {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* KPI Warning State */
.kpi-card.danger::before {
    background-color: rgb(var(--color-danger));
}
.kpi-card.danger .kpi-value {
    color: rgb(var(--color-danger));
}

/* ── General Glass Card Component ───────────────────────────────────────── */
.glass-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    padding: 24px;
    transition: var(--transition-normal);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.08);
}

/* ── Charts Grid Component ──────────────────────────────────────────────── */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.chart-card {
    display: flex;
    flex-direction: column;
}

.chart-card.full-width {
    grid-column: span 2;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-header h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-highlight);
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-header h4 i {
    color: rgb(var(--color-primary));
}

.chart-legend-badge {
    font-size: 0.75rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 20px;
    color: var(--text-secondary);
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-container-large {
    position: relative;
    height: 380px;
    width: 100%;
}

/* ── Tabs Panels ────────────────────────────────────────────────────────── */
.tab-panel {
    display: none;
    animation: fadeIn var(--transition-normal);
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Tables Components ──────────────────────────────────────────────────── */
.table-card {
    padding: 0;
    overflow: hidden;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.table-header h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-highlight);
    display: flex;
    align-items: center;
    gap: 8px;
}

.table-header h3 i {
    color: rgb(var(--color-primary));
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.dashboard-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.dashboard-table th {
    background-color: rgba(255, 255, 255, 0.01);
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-table td {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.dashboard-table tbody tr {
    transition: var(--transition-fast);
}

.dashboard-table tbody tr:hover td {
    background-color: rgba(99, 102, 241, 0.04);
    color: var(--text-highlight);
    cursor: pointer;
}

.dashboard-table tr.selected td {
    background-color: rgba(99, 102, 241, 0.08) !important;
    color: var(--text-highlight);
    border-bottom-color: rgba(var(--color-primary), 0.3);
}

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

/* Numeric text gets clean Inter monospace properties */
.dashboard-table td.text-right {
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

/* Table Footer Hint */
.table-footer-info {
    padding: 16px 24px;
    font-size: 0.8rem;
    color: var(--text-muted);
    background-color: rgba(255, 255, 255, 0.005);
    border-top: 1px solid var(--border-color);
}

/* ── Form Controls & Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-fast);
    background: none;
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.02);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-highlight);
    border-color: rgba(255, 255, 255, 0.15);
}

.form-control-select {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.form-control-select:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.form-control-select:focus {
    border-color: rgb(var(--color-primary));
}

.form-control-select option {
    background-color: var(--bg-sidebar);
    color: var(--text-primary);
}

.form-control-select-sm {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 0 28px 0 12px;
    border-radius: 20px;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    height: 32px;
    transition: var(--transition-fast);
    display: inline-block;
    vertical-align: middle;
}

.form-control-select-sm option {
    background-color: var(--bg-sidebar);
    color: var(--text-primary);
}

.form-control-select-sm:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.form-control-select-sm:focus {
    border-color: rgb(var(--color-primary));
}

/* ── Data Quality & Outliers Component ─────────────────────────────────── */
.outliers-intro {
    background-color: rgba(245, 158, 11, 0.02) !important;
    border-color: rgba(245, 158, 11, 0.1) !important;
}

.intro-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.warning-icon {
    font-size: 1.5rem;
    color: rgb(var(--color-warning));
}

.outliers-intro p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 900px;
    margin-bottom: 20px;
}

.alert {
    padding: 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.4;
    border-left: 4px solid transparent;
}

.alert-info {
    background-color: rgba(56, 189, 248, 0.06);
    border-left-color: rgb(var(--color-info));
    color: var(--text-primary);
}

.alert-info strong {
    color: var(--text-highlight);
}

/* Outlier table specific badges */
.badge-outlier {
    background-color: rgba(var(--color-danger), 0.1);
    color: rgb(var(--color-danger));
    border: 1px solid rgba(var(--color-danger), 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-reason {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.mt-4 { margin-top: 24px; }
.mt-3 { margin-top: 16px; }

/* ── Responsive Styling ─────────────────────────────────────────────────── */
@media (max-width: 1200px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
    .chart-card.full-width {
        grid-column: span 1;
    }
}

@media (max-width: 992px) {
    .app-layout {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 20px;
        margin-bottom: 0;
    }
    .main-content {
        margin-left: 0;
        padding: 24px;
    }
    .brand {
        margin-bottom: 20px;
    }
    .nav-menu {
        flex-direction: row;
        flex-wrap: wrap;
        margin-bottom: 16px;
    }
    .substation-info {
        display: none;
    }
    .top-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
}