/* ============================================
   Transport KPI Dashboard - Styles
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Colors */
    --color-primary: #2563EB;
    --color-primary-light: #3B82F6;
    --color-primary-dark: #1D4ED8;
    --color-primary-bg: #EFF6FF;

    --color-success: #10B981;
    --color-success-light: #34D399;
    --color-success-bg: #ECFDF5;

    --color-warning: #F59E0B;
    --color-warning-light: #FBBF24;
    --color-warning-bg: #FFFBEB;

    --color-danger: #EF4444;
    --color-danger-light: #F87171;
    --color-danger-bg: #FEF2F2;

    --color-neutral-50: #F9FAFB;
    --color-neutral-100: #F3F4F6;
    --color-neutral-200: #E5E7EB;
    --color-neutral-300: #D1D5DB;
    --color-neutral-400: #9CA3AF;
    --color-neutral-500: #6B7280;
    --color-neutral-600: #4B5563;
    --color-neutral-700: #374151;
    --color-neutral-800: #1F2937;
    --color-neutral-900: #111827;

    --color-purple: #8B5CF6;
    --color-purple-bg: #F5F3FF;
    --color-orange: #F97316;
    --color-orange-bg: #FFF7ED;
    --color-teal: #14B8A6;
    --color-teal-bg: #F0FDFA;

    /* Surfaces */
    --bg-body: var(--color-neutral-50);
    --bg-card: #FFFFFF;
    --bg-sidebar: #FFFFFF;
    --bg-header: #FFFFFF;
    --bg-input: #FFFFFF;
    --bg-hover: var(--color-neutral-100);

    /* Text */
    --text-primary: var(--color-neutral-900);
    --text-secondary: var(--color-neutral-600);
    --text-tertiary: var(--color-neutral-400);
    --text-inverse: #FFFFFF;

    /* Borders */
    --border-color: var(--color-neutral-200);
    --border-radius-sm: 6px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Layout */
    --header-height: 64px;
    --sidebar-width: 280px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 300ms ease;
    --transition-slow: 500ms ease;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"] {
    --bg-body: #0F172A;
    --bg-card: #1E293B;
    --bg-sidebar: #1E293B;
    --bg-header: #1E293B;
    --bg-input: #334155;
    --bg-hover: #334155;

    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-tertiary: #64748B;

    --border-color: #334155;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);

    --color-primary-bg: #1E3A5F;
    --color-success-bg: #064E3B;
    --color-warning-bg: #78350F;
    --color-danger-bg: #7F1D1D;
    --color-purple-bg: #4C1D95;
    --color-orange-bg: #7C2D12;
    --color-teal-bg: #134E4A;
}

/* Respect OS dark mode preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-body: #0F172A;
        --bg-card: #1E293B;
        --bg-sidebar: #1E293B;
        --bg-header: #1E293B;
        --bg-input: #334155;
        --bg-hover: #334155;
        --text-primary: #F1F5F9;
        --text-secondary: #94A3B8;
        --text-tertiary: #64748B;
        --border-color: #334155;
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
        --color-primary-bg: #1E3A5F;
        --color-success-bg: #064E3B;
        --color-warning-bg: #78350F;
        --color-danger-bg: #7F1D1D;
        --color-purple-bg: #4C1D95;
        --color-orange-bg: #7C2D12;
        --color-teal-bg: #134E4A;
    }
}

/* Smooth theme transition */
body.theme-transitioning,
body.theme-transitioning * {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-body);
    overflow-x: hidden;
}

/* Focus styles for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Skip to content link for screen readers */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--spacing-md);
    z-index: 10001;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus {
    top: var(--spacing-md);
}

/* ---------- Loading Overlay ---------- */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition);
}

[data-theme="dark"] .loading-overlay {
    background: rgba(15, 23, 42, 0.95);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

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

.loading-spinner p {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    margin: 0 auto;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- Toast Notifications ---------- */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    color: var(--text-primary);
    animation: slideIn 300ms ease-out;
    min-width: 280px;
}

.toast--success { border-left: 4px solid var(--color-success); }
.toast--warning { border-left: 4px solid var(--color-warning); }
.toast--error { border-left: 4px solid var(--color-danger); }
.toast--info { border-left: 4px solid var(--color-primary); }

.toast.removing {
    animation: slideOut 300ms ease-in forwards;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* ---------- Header ---------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 var(--spacing-lg);
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.header__left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header__menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-fast);
}

.header__menu-btn:hover {
    background: var(--bg-hover);
}

.header__brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header__icon {
    color: var(--color-primary);
}

.header__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.header__subtitle {
    font-size: 12px;
    color: var(--text-tertiary);
}

.header__right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn--primary {
    background: var(--color-primary);
    color: var(--text-inverse);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
}

.btn--secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn--secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn--icon {
    width: 40px;
    height: 40px;
    padding: 0;
    background: none;
    border: none;
    color: var(--text-secondary);
    border-radius: var(--border-radius);
}

.btn--icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn--sm {
    padding: 6px var(--spacing-sm);
    font-size: 13px;
}

.btn--full {
    width: 100%;
}

/* ---------- Layout ---------- */
.layout {
    display: flex;
    min-height: calc(100vh - var(--header-height));
}

/* ---------- Sidebar ---------- */
.sidebar {
    position: sticky;
    top: var(--header-height);
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
    transition: transform var(--transition);
}

.sidebar__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.sidebar__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar__close {
    display: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
}

.sidebar__close:hover {
    background: var(--bg-hover);
}

.sidebar__content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar__actions {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 49;
}

/* ---------- Filter Controls ---------- */
.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-group__label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.search-box {
    position: relative;
}

.search-box__icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-box__input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 36px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-input);
    transition: border-color var(--transition-fast);
}

.search-box__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-box__input::placeholder {
    color: var(--text-tertiary);
}

.input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family);
    font-size: 13px;
    color: var(--text-primary);
    background: var(--bg-input);
    transition: border-color var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Date Presets */
.date-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}

.date-preset {
    padding: 6px 4px;
    font-family: var(--font-family);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.date-preset:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.date-preset.active {
    background: var(--color-primary);
    color: var(--text-inverse);
    border-color: var(--color-primary);
}

.date-custom {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.date-field label {
    display: block;
    font-size: 11px;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

/* Checkboxes */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 0;
}

.checkbox input[type="checkbox"] {
    display: none;
}

.checkbox__mark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.checkbox input:checked + .checkbox__mark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox input:checked + .checkbox__mark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 1px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge--delivered {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.status-badge--transit {
    background: var(--color-primary-bg);
    color: var(--color-primary);
}

.status-badge--delayed {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.status-badge--cancelled {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

/* Range Slider */
.range-slider__values {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.range-slider__track {
    position: relative;
    height: 36px;
}

.range-slider__track input[type="range"] {
    position: absolute;
    width: 100%;
    height: 4px;
    top: 16px;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    pointer-events: none;
}

.range-slider__track input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid white;
    box-shadow: var(--shadow);
    cursor: pointer;
    pointer-events: all;
}

.range-slider__track input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid white;
    box-shadow: var(--shadow);
    cursor: pointer;
    pointer-events: all;
}

/* ---------- Main Content ---------- */
.main {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-x: hidden;
    min-width: 0;
}

/* ---------- KPI Section ---------- */
.kpi-section {
    margin-bottom: var(--spacing-lg);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    opacity: 0;
    transform: translateY(10px);
}

.kpi-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.kpi-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.kpi-card.visible:hover {
    transform: translateY(-2px);
}

.kpi-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.kpi-card__label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.kpi-card__icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    flex-shrink: 0;
}

.kpi-card__icon--blue { background: var(--color-primary-bg); color: var(--color-primary); }
.kpi-card__icon--green { background: var(--color-success-bg); color: var(--color-success); }
.kpi-card__icon--yellow { background: var(--color-warning-bg); color: var(--color-warning); }
.kpi-card__icon--purple { background: var(--color-purple-bg); color: var(--color-purple); }
.kpi-card__icon--orange { background: var(--color-orange-bg); color: var(--color-orange); }
.kpi-card__icon--teal { background: var(--color-teal-bg); color: var(--color-teal); }

.kpi-card__value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 4px;
}

.kpi-card__trend {
    font-size: 12px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.kpi-card__trend--up {
    color: var(--color-success);
}

.kpi-card__trend--down {
    color: var(--color-danger);
}

.kpi-card__trend--neutral {
    color: var(--text-tertiary);
}

.kpi-card__sparkline {
    width: 100%;
    max-height: 40px;
}

/* ---------- Charts Section ---------- */
.charts-section {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.charts-grid {
    display: grid;
    gap: var(--spacing-md);
}

.charts-grid--two {
    grid-template-columns: 1.2fr 0.8fr;
}

.charts-grid--three {
    grid-template-columns: 1fr 1fr 1fr;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.chart-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.chart-card__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-card__controls {
    display: flex;
    gap: 4px;
}

.chart-range-btn {
    padding: 4px 10px;
    font-family: var(--font-family);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chart-range-btn:hover {
    background: var(--bg-hover);
}

.chart-range-btn.active {
    background: var(--color-primary);
    color: var(--text-inverse);
    border-color: var(--color-primary);
}

.chart-card__body {
    padding: var(--spacing-md);
    height: 300px;
    position: relative;
}

.chart-card__body--doughnut {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---------- Data Table ---------- */
.table-section {
    margin-bottom: var(--spacing-lg);
}

.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.table-card__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.table-card__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 13px;
    color: var(--text-secondary);
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table__th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
    background: var(--color-neutral-50);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    user-select: none;
}

[data-theme="dark"] .data-table__th {
    background: rgba(255, 255, 255, 0.03);
}

.data-table__th.sortable {
    cursor: pointer;
    transition: color var(--transition-fast);
}

.data-table__th.sortable:hover {
    color: var(--text-primary);
}

.sort-icon::after {
    content: '⇅';
    margin-left: 4px;
    opacity: 0.3;
}

.data-table__th.sort-asc .sort-icon::after {
    content: '↑';
    opacity: 1;
    color: var(--color-primary);
}

.data-table__th.sort-desc .sort-icon::after {
    content: '↓';
    opacity: 1;
    color: var(--color-primary);
}

.data-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

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

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.data-table tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.01);
}

[data-theme="dark"] .data-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.01);
}

.data-table tbody tr:nth-child(even):hover {
    background: var(--bg-hover);
}

/* Table Pagination */
.table-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ---------- Print Styles ---------- */
@media print {
    .header__menu-btn,
    .header__right,
    .sidebar,
    .sidebar-overlay,
    .table-pagination,
    .chart-card__controls,
    .sidebar__actions,
    .toast-container,
    .loading-overlay {
        display: none !important;
    }

    .layout {
        display: block;
    }

    .main {
        padding: 0;
    }

    .kpi-card,
    .chart-card,
    .table-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .header {
        position: static;
        border-bottom: 2px solid #333;
        box-shadow: none;
    }

    body {
        background: white;
        color: black;
    }
}

/* ---------- Responsive Design ---------- */

/* Tablet & small desktop */
@media (max-width: 1400px) {
    .kpi-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .charts-grid--three {
        grid-template-columns: 1fr 1fr;
    }

    .charts-grid--three .chart-card:last-child {
        grid-column: span 2;
    }
}

@media (max-width: 1100px) {
    .charts-grid--two {
        grid-template-columns: 1fr;
    }

    .charts-grid--three {
        grid-template-columns: 1fr;
    }

    .charts-grid--three .chart-card:last-child {
        grid-column: span 1;
    }
}

/* Tablet */
@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        top: var(--header-height);
        left: 0;
        z-index: 50;
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay.visible {
        display: block;
    }

    .sidebar__close {
        display: flex;
    }

    .header__menu-btn {
        display: flex;
    }

    .kpi-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .header {
        padding: 0 var(--spacing-md);
    }

    .header__title {
        font-size: 16px;
    }

    .header__subtitle {
        display: none;
    }

    .header__right .btn--primary span,
    .header__right .btn--primary svg + span {
        display: none;
    }

    .main {
        padding: var(--spacing-md);
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .kpi-card__value {
        font-size: 22px;
    }

    .chart-card__body {
        height: 250px;
    }

    .chart-card__body--doughnut {
        height: 250px;
    }

    .data-table td,
    .data-table__th {
        padding: 6px 8px;
        font-size: 12px;
    }

    .table-card__header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .date-presets {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-neutral-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-neutral-400);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--color-neutral-600);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes countUp {
    from { opacity: 0; }
    to { opacity: 1; }
}