/* HCS Card Dashboard - Modern Stylesheet */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
    /* Colors - Primary */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Colors - Neutral */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Colors - Semantic */
    --success-light: #d1fae5;
    --success: #10b981;
    --success-dark: #059669;
    --warning-light: #fef3c7;
    --warning: #f59e0b;
    --warning-dark: #d97706;
    --danger-light: #fee2e2;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --info-light: #e0e7ff;
    --info: #6366f1;
    --info-dark: #4f46e5;

    /* Surfaces */
    --surface-page: #f8fafc;
    --surface-card: #ffffff;
    --surface-raised: #ffffff;
    --surface-overlay: rgba(15, 23, 42, 0.5);

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;

    /* Borders */
    --border-light: #e2e8f0;
    --border-default: #cbd5e1;
    --border-focus: #3b82f6;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
    --shadow-card: 0 1px 3px 0 rgb(0 0 0 / 0.04), 0 1px 2px -1px rgb(0 0 0 / 0.04);
    --shadow-card-hover: 0 10px 40px -10px rgb(0 0 0 / 0.12), 0 4px 6px -4px rgb(0 0 0 / 0.05);

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;

    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--surface-page);
    background-image:
        radial-gradient(at 100% 0%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(at 0% 100%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
    min-height: 100vh;
}

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ============================================
   Header
   ============================================ */
.header {
    background: var(--surface-card);
    border-bottom: 1px solid var(--border-light);
    padding: 0.4rem var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.9);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.view-badge {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: var(--text-inverse);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    box-shadow: 0 2px 8px -2px rgba(37, 99, 235, 0.4);
    align-self: flex-end;
    margin-bottom: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Global Date Selector Bar */
.global-date-bar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    padding: 0.35rem 2rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.global-date-bar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    max-width: 1800px;
    margin: 0 auto;
}

.global-date-label {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

.global-date-select-wrapper {
    position: relative;
}

.global-date-btn {
    padding: 0.3rem 0.75rem;
    font-size: 0.8rem;
    min-width: 130px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--surface-card);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.global-date-btn:hover {
    border-color: var(--border-default);
}

.global-date-btn .arrow {
    font-size: 0.7rem;
    color: var(--text-tertiary);
}

.global-date-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 180px;
    background: var(--surface-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    display: none;
    overflow: hidden;
}

.global-date-dropdown.active {
    display: block;
    animation: slideDown 0.15s ease-out;
}

.global-date-option {
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    font-size: var(--text-sm);
    transition: var(--transition-fast);
}

.global-date-option:hover {
    background: var(--gray-50);
}

.global-date-option.active {
    color: var(--primary-600);
    font-weight: 500;
    background: var(--primary-50);
}

/* Custom Date Picker Popover */
.custom-date-picker-overlay {
    position: fixed;
    inset: 0;
    background: var(--surface-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    backdrop-filter: blur(4px);
}

.custom-date-picker-overlay.active {
    opacity: 1;
    visibility: visible;
}

.custom-date-picker {
    background: var(--surface-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 380px;
    transform: scale(0.95) translateY(10px);
    transition: var(--transition-normal);
}

.custom-date-picker-overlay.active .custom-date-picker {
    transform: scale(1) translateY(0);
}

.custom-date-picker-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.custom-date-picker-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.custom-date-presets {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
}

.custom-date-preset {
    padding: 0.3rem 0.65rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    background: var(--surface-card);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.custom-date-preset:hover {
    border-color: var(--primary-300);
    color: var(--primary-600);
    background: var(--primary-50);
}

.custom-date-preset.active {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

.custom-date-fields {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
}

.custom-date-fields .custom-date-field {
    flex: 1;
}

.custom-date-arrow {
    color: var(--text-tertiary);
    font-size: 1.1rem;
    padding-bottom: 0.5rem;
}

.custom-date-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-tertiary);
    margin-bottom: 0.375rem;
}

.custom-date-field input[type="date"] {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-primary);
    background: var(--surface-card);
    transition: var(--transition-fast);
    font-family: var(--font-sans);
}

.custom-date-field input[type="date"]:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.custom-date-summary {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    padding: 0.5rem 0.75rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    min-height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-date-picker-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    background: var(--gray-50);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--gray-100);
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    padding: var(--space-2) var(--space-4);
    gap: var(--space-2);
    transition: var(--transition-normal);
}

.search-box:focus-within {
    background: var(--surface-card);
    border-color: var(--primary-300);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.search-box svg {
    width: 18px;
    height: 18px;
    color: var(--text-tertiary);
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: var(--text-sm);
    width: 220px;
    color: var(--text-primary);
}

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

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
}

.user-menu:hover {
    background: var(--gray-100);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-500), var(--info));
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--text-sm);
    box-shadow: var(--shadow-sm);
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================
   Toolbar
   ============================================ */
.toolbar {
    background: var(--surface-card);
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-3) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    gap: var(--space-2);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border-light);
    background: var(--surface-card);
    color: var(--text-primary);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn:hover {
    background: var(--gray-50);
    border-color: var(--border-default);
}

.btn:active {
    transform: scale(0.98);
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-100);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: var(--text-inverse);
    border: none;
    box-shadow: 0 2px 8px -2px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
    box-shadow: 0 4px 12px -2px rgba(37, 99, 235, 0.5);
}

.btn-icon {
    padding: var(--space-2);
    width: 36px;
    height: 36px;
}

.btn-ghost {
    border: none;
    background: transparent;
}

.btn-ghost:hover {
    background: var(--gray-100);
}

/* ============================================
   Dashboard Container
   ============================================ */
.dashboard-container {
    padding: var(--space-6);
    max-width: 1600px;
    margin: 0 auto;
}

/* ============================================
   Card Grid
   ============================================ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

/* Wide cards span 2 columns */
.card-wide {
    grid-column: span 2;
}

/* Chart container */
.chart-container {
    position: relative;
    height: 220px;
    width: 100%;
}

@media (max-width: 1400px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .card-wide {
        grid-column: span 2;
    }
}

@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-wide {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .card-grid {
        grid-template-columns: 1fr;
    }

    .card-wide {
        grid-column: span 1;
    }

    .header {
        flex-direction: column;
        gap: var(--space-2);
        padding: 0.4rem var(--space-4);
    }

    .search-box input {
        width: 160px;
    }

    .dashboard-container {
        padding: var(--space-4);
    }
}

/* ============================================
   Cards - Base
   ============================================ */
.card {
    background: var(--surface-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: var(--transition-normal);
    cursor: grab;
    border: 1px solid var(--border-light);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-400), var(--primary-600));
    opacity: 0;
    transition: var(--transition-fast);
}

.card:hover::before {
    opacity: 1;
}

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

.card.dropdown-open {
    transform: none;
}

.card.dragging {
    opacity: 0.6;
    cursor: grabbing;
    transform: rotate(2deg) scale(1.02);
}

.card.drag-over {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px var(--primary-100);
}

/* Card Header */
.card-header {
    padding: var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--gray-100);
}

.card-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.card-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon svg {
    width: 28px;
    height: 28px;
}

.card-icon.blue {
    color: var(--primary-500);
}
.card-icon.green {
    color: #10b981;
}
.card-icon.yellow {
    color: #f59e0b;
}
.card-icon.red {
    color: #ef4444;
}
.card-icon.purple {
    color: #8b5cf6;
}
.card-icon.orange {
    color: #f97316;
}
.card-icon.gray {
    color: var(--gray-500);
}

.card-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    line-height: var(--leading-tight);
}

.card-subtitle {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* Card Actions */
.card-actions {
    display: flex;
    gap: var(--space-1);
    transition: var(--transition-fast);
}

.card-action-btn {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    transition: var(--transition-fast);
}

.card-action-btn:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.card-action-btn svg {
    width: 16px;
    height: 16px;
}

/* Card Body */
.card-body {
    padding: var(--space-4);
}

/* ============================================
   KPI Cards
   ============================================ */
.kpi-value {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: var(--tracking-tight);
}

.kpi-label {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-weight: 500;
}

.kpi-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: 600;
    margin-top: var(--space-3);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
}

.kpi-change.positive {
    background: var(--success-light);
    color: var(--success-dark);
}

.kpi-change.negative {
    background: var(--danger-light);
    color: var(--danger-dark);
}

.kpi-change svg {
    width: 12px;
    height: 12px;
}

/* ============================================
   Alert Cards
   ============================================ */
.alert-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.alert-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.alert-item:hover {
    background: var(--gray-100);
}

.alert-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    box-shadow: 0 0 0 3px rgba(0,0,0,0.05);
}

.alert-dot.red {
    background: var(--danger);
    box-shadow: 0 0 0 3px var(--danger-light);
}
.alert-dot.yellow {
    background: var(--warning);
    box-shadow: 0 0 0 3px var(--warning-light);
}
.alert-dot.green {
    background: var(--success);
    box-shadow: 0 0 0 3px var(--success-light);
}
.alert-dot.blue {
    background: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}
.alert-dot.gray {
    background: var(--gray-400);
    box-shadow: 0 0 0 3px var(--gray-100);
}

.alert-text {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    flex: 1;
}

.alert-count {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-primary);
    background: var(--surface-card);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    min-width: 28px;
    text-align: center;
}

/* ============================================
   Link Cards
   ============================================ */
.link-card .card-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-8) var(--space-4);
    text-align: center;
}

.link-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: var(--space-4);
    position: relative;
    transition: var(--transition-normal);
}

.link-card:hover .link-icon {
    transform: scale(1.1);
}

.link-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
}

.link-description {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-2);
    line-height: var(--leading-relaxed);
}

/* ============================================
   List Cards
   ============================================ */
.list-items {
    display: flex;
    flex-direction: column;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--gray-100);
    transition: background 0.15s;
    cursor: pointer;
    border-radius: 6px;
}

.list-item:last-child {
    border-bottom: none;
}

.list-item:hover {
    background: #f1f5f9;
}

.list-item.clickable:active {
    transform: scale(0.99);
}

.list-item-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.list-item-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-base);
}

.list-item-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.list-item-subtitle {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: 2px;
}

.list-item-value {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================
   Card Filter
   ============================================ */
.card-filter {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

.filter-select {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    background: var(--surface-card);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.filter-select:hover {
    border-color: var(--border-default);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px var(--primary-100);
}

/* ============================================
   Loading States
   ============================================ */
.card-loading {
    padding: var(--space-4);
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-100) 0%,
        var(--gray-50) 50%,
        var(--gray-100) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 14px;
    margin-bottom: var(--space-2);
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-value {
    height: 48px;
    width: 50%;
    margin-bottom: var(--space-2);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   Modals
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--surface-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--surface-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 480px;
    max-height: 85vh;
    overflow-y: auto;
    transform: scale(0.95) translateY(10px);
    transition: var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-md);
    font-size: var(--text-xl);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    background: var(--gray-50);
}

/* Card Options in Modal */
.card-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.card-option {
    padding: var(--space-4);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
    background: var(--surface-card);
}

.card-option:hover {
    border-color: var(--primary-300);
    background: var(--primary-50);
}

.card-option:active {
    transform: scale(0.98);
}

.card-option-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto var(--space-2);
    color: var(--primary-500);
}

.card-option-icon svg {
    width: 100%;
    height: 100%;
}

.card-option-title {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    background: var(--gray-900);
    color: var(--text-inverse);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-bounce);
    z-index: 1100;
}

.toast.active {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    width: 20px;
    height: 20px;
    background: var(--success);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-xs);
}

/* ============================================
   Layout Dropdown
   ============================================ */
.layout-selector {
    position: relative;
}

.layout-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 0;
    background: var(--surface-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    display: none;
    z-index: 50;
    overflow: hidden;
}

.layout-dropdown.active {
    display: block;
    animation: slideDown 0.15s ease-out;
}

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

.layout-item {
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
    font-size: var(--text-sm);
}

.layout-item:hover {
    background: var(--gray-50);
}

.layout-item.active {
    color: var(--primary-600);
    font-weight: 500;
    background: var(--primary-50);
}

.layout-item-actions {
    display: none;
}

.layout-item:hover .layout-item-actions {
    display: flex;
}

.layout-action-btn {
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-tertiary);
    font-size: 0.7rem;
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    transition: background 0.15s, color 0.15s;
    line-height: 1;
}

.layout-action-btn:hover {
    background: #fee2e2;
    color: #dc2626;
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    opacity: 0.3;
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.empty-state-text {
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-full);
}

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

/* ============================================
   Focus Visible (Accessibility)
   ============================================ */
:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* ============================================
   Selection
   ============================================ */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

/* ============================================
   Main Tabs Navigation
   ============================================ */
.main-tabs {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--surface-card);
    border-bottom: 1px solid var(--border-light);
    padding: 0 var(--space-6);
}

.main-tabs-left {
    display: flex;
    gap: var(--space-2);
}

.main-tabs-right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.main-tab {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.35rem 0.75rem;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.main-tab:hover {
    color: var(--text-secondary);
    background: var(--gray-100);
}

.main-tab.active {
    color: var(--primary-600);
    background: var(--primary-50, #eff6ff);
}

.main-tab-icon {
    font-size: var(--text-sm);
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.main-tab svg.main-tab-icon {
    width: 15px;
    height: 15px;
}

/* Small Buttons */
.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
}

.btn-sm.btn-icon {
    padding: var(--space-2);
}

/* Page Title Bar (for single-section views) */
.page-title-bar {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--primary-600);
}

.page-title-icon {
    font-size: var(--text-base);
}

.page-title-text {
    color: var(--primary-600);
}

/* Tab Panels */
.tab-panel {
    display: none;
}

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

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    padding: var(--space-6) var(--space-6) var(--space-4);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.section-subtitle {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin: var(--space-1) 0 0;
}

/* ============================================
   Statistics Filters
   ============================================ */
.stats-filters {
    display: flex;
    align-items: flex-end;
    gap: var(--space-4);
    padding: 0 var(--space-6) var(--space-4);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    position: relative;
}

.filter-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

/* Custom Card Filter Dropdown (matching layout-dropdown style) */
.card-filter-btn {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    background: var(--surface-card);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
}

.card-filter-btn:hover:not(:disabled) {
    border-color: var(--border-default);
}

.card-filter-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--gray-50);
}

.card-filter-btn .arrow {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    transition: transform 0.15s;
}

.card-filter-dropdown {
    position: fixed;
    background: var(--surface-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 100;
    overflow: hidden;
    min-width: 160px;
}

.card-filter-dropdown.active {
    display: block;
    animation: slideDown 0.15s ease-out;
}

.card-filter-item {
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
    font-size: var(--text-sm);
}

.card-filter-item:hover {
    background: var(--gray-50);
}

.card-filter-item.active {
    color: var(--primary-600);
    font-weight: 500;
    background: var(--primary-50);
}

.filter-input {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
    background: var(--surface-card);
}

.date-range-inputs {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.date-separator {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

/* ============================================
   Multi-Select Dropdown
   ============================================ */
.multi-select-wrapper {
    position: relative;
    min-width: 200px;
}

.multi-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-2) var(--space-3);
    background: var(--surface-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.multi-select-trigger:hover {
    border-color: var(--gray-400);
}

.multi-select-trigger:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.multi-select-text {
    flex: 1;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.multi-select-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    flex: 1;
    align-items: center;
}

.select-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px 8px;
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    white-space: nowrap;
}

.select-tag.neutral {
    background: var(--gray-100);
    color: var(--text-secondary);
}

.select-tag .tag-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    font-size: 10px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.select-tag .tag-remove:hover {
    background: var(--primary-200);
}

.multi-select-arrow {
    color: var(--text-tertiary);
    font-size: var(--text-xs);
    transition: transform var(--transition-fast);
}

.multi-select-wrapper.open .multi-select-arrow {
    transform: rotate(180deg);
}

.multi-select-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--surface-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    max-height: 240px;
    overflow-y: auto;
    display: none;
}

.multi-select-wrapper.open .multi-select-dropdown {
    display: block;
}

.multi-select-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: var(--text-sm);
    color: var(--text-primary);
}

.multi-select-option:hover {
    background: var(--gray-50);
}

.multi-select-option input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.multi-select-option input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--primary-600);
    border-color: var(--primary-600);
}

.multi-select-option input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* ============================================
   Card Tabs
   ============================================ */
.card-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-light);
    padding: 0 var(--space-4);
}

.card-tab {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-tertiary);
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}

.card-tab:hover {
    color: var(--text-secondary);
}

.card-tab.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

/* ============================================
   Statistics Tables
   ============================================ */
.stats-table {
    width: 100%;
}

.stats-table-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
    gap: var(--space-2);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-light);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
}

.stats-table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
    gap: var(--space-2);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: var(--text-sm);
    align-items: center;
}

.stats-table-row:last-child {
    border-bottom: none;
}

.stats-table-row:hover {
    background: var(--gray-50);
    margin: 0 calc(var(--space-4) * -1);
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

.stats-col {
    color: var(--text-secondary);
}

.stats-col.title-col {
    font-weight: 500;
    color: var(--text-primary);
}

.stat-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 500;
}

.stat-badge.red {
    background: var(--error-50);
    color: var(--error-700);
}

.stat-badge.yellow {
    background: var(--warning-50);
    color: var(--warning-700);
}

.stat-badge.green {
    background: var(--success-50);
    color: var(--success-700);
}

.stat-badge.blue {
    background: var(--primary-50);
    color: var(--primary-700);
}

.stat-badge.gray {
    background: var(--gray-100);
    color: var(--gray-500);
}

/* ============================================
   Premium Badge
   ============================================ */
.premium-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-md);
    text-transform: uppercase;
}

/* ============================================
   Aggregate Stats
   ============================================ */
.aggregate-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.aggregate-stat {
    text-align: center;
    padding: var(--space-4);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.aggregate-value {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.aggregate-label {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.aggregate-trend {
    font-size: var(--text-xs);
    margin-top: var(--space-2);
}

.aggregate-trend.positive {
    color: var(--success-600);
}

.aggregate-trend.negative {
    color: var(--error-600);
}

/* ============================================
   Peak Times
   ============================================ */
.peak-times-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.peak-time-item {
    position: relative;
}

.peak-day {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.peak-hours {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.peak-bar {
    height: 8px;
    background: linear-gradient(90deg, var(--primary-400), var(--primary-600));
    border-radius: var(--radius-full);
    margin-top: var(--space-2);
}

/* ============================================
   Export Status
   ============================================ */
.export-status {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.export-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.export-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
}

.export-icon.success {
    background: var(--success-100);
    color: var(--success-600);
}

.export-icon.pending {
    background: var(--gray-100);
    color: var(--gray-500);
}

.export-info {
    flex: 1;
}

.export-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.export-date {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

/* ============================================
   Card Actions Menu (Hover)
   ============================================ */
.card-actions {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* AI Button - Always Visible */
.ai-btn-visible {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    transition: var(--transition-fast);
    opacity: 0.75;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-btn-visible:hover {
    transform: scale(1.15);
    opacity: 1;
}

.ai-btn-visible img {
    width: 20px;
    height: 20px;
}

.card-actions-trigger {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition-fast);
}

.card-actions-trigger:hover {
    background: var(--gray-100);
    color: var(--text-secondary);
}

.card-actions-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--surface-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 140px;
    padding: var(--space-2);
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition-fast);
}

.card-actions-trigger:hover + .card-actions-menu,
.card-actions-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.card-action-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.card-action-item:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.card-action-item.ai-action {
    color: var(--primary-600);
}

.card-action-item.ai-action:hover {
    background: var(--primary-50);
}

.card-action-item.danger:hover {
    background: var(--error-50);
    color: var(--error-600);
}

.card-action-icon {
    width: 16px;
    text-align: center;
}

/* ============================================
   AI Summary Button (Standalone)
   ============================================ */
.card-action-btn.ai-btn {
    background: var(--primary-50);
    color: var(--primary-600);
    border-radius: var(--radius-md);
    font-size: 14px;
    padding: 4px 6px;
    border: 1px solid var(--primary-200);
}

.card-action-btn.ai-btn:hover {
    background: var(--primary-100);
    transform: scale(1.1);
}

/* AI Popup */
.ai-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.ai-popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.ai-popup {
    background: var(--surface-card);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-normal);
}

.ai-popup-overlay.active .ai-popup {
    transform: scale(1) translateY(0);
}

.ai-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    background: var(--primary-600);
    color: white;
}

.ai-popup-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--text-base);
}

.ai-popup-title-icon {
    width: 18px;
    height: 18px;
}

.ai-popup-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: var(--text-base);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.ai-popup-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.ai-popup-body {
    padding: var(--space-5);
    max-height: 400px;
    overflow-y: auto;
}

.ai-popup-card-name {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
}

.ai-summary-content {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--text-primary);
}

.ai-summary-content p {
    margin-bottom: var(--space-3);
}

.ai-summary-content ul {
    margin: var(--space-3) 0;
    padding-left: var(--space-5);
}

.ai-summary-content li {
    margin-bottom: var(--space-2);
}

.ai-summary-highlight {
    background: var(--warning-50);
    border-left: 3px solid var(--warning-500);
    padding: var(--space-3);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--space-3) 0;
    font-size: var(--text-sm);
}

.ai-summary-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-6);
    color: var(--text-tertiary);
}

.ai-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-3);
}

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

.ai-popup-footer {
    padding: var(--space-3) var(--space-5);
    background: var(--gray-50);
    border-top: 1px solid var(--border-light);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.ai-popup-footer-icon {
    width: 14px;
    height: 14px;
    opacity: 0.7;
}

/* ============================================
   Responsive Adjustments for Stats
   ============================================ */
@media (max-width: 1024px) {
    .aggregate-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-table-header,
    .stats-table-row {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

    .stats-table-header .stats-col:nth-child(5),
    .stats-table-header .stats-col:nth-child(6),
    .stats-table-row .stats-col:nth-child(5),
    .stats-table-row .stats-col:nth-child(6) {
        display: none;
    }
}

@media (max-width: 768px) {
    .stats-filters {
        flex-direction: column;
        align-items: stretch;
    }

    .aggregate-stats {
        grid-template-columns: 1fr 1fr;
    }

    .stats-table-header,
    .stats-table-row {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .stats-table-header .stats-col:nth-child(4),
    .stats-table-row .stats-col:nth-child(4) {
        display: none;
    }
}

/* Page Refresh */
.refresh-icon {
    display: inline-block;
    transition: transform 0.3s;
}

.refresh-icon.spinning {
    animation: spin 0.8s linear infinite;
}

.page-loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    animation: fadeIn 0.2s ease-out forwards;
}

.page-loading-overlay .loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    background: var(--surface-card);
    padding: 2rem 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.page-loading-overlay .spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.page-loading-overlay .loader-text {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

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

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