/* =================================================================
   DESIGN SYSTEM — Monitor Dashboard
   
   Architecture:
   1. Design Tokens (CSS Custom Properties)
   2. Reset & Base
   3. Layout
   4. Typography
   5. Header
   6. Navigation
   7. Page Context
   8. KPI Cards
   9. Cards (generic)
   10. Data Tables
   11. Inline Progress
   12. Delta Indicators
   13. Toggle Controls
   14. Chart Containers
   15. Modal
   16. Empty/Loading States
   17. Utilities
   18. Responsive
   ================================================================= */

/* -----------------------------------------------------------------
   1. DESIGN TOKENS
   ----------------------------------------------------------------- */
:root {
    --brand-700: #B91C1C;
    --brand-600: #DC2626;
    --brand-500: #EF4444;
    --brand-100: #FEE2E2;
    --brand-50:  #FEF2F2;

    --gray-50:  #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #6E7582;
    --gray-500: #4A5060;
    --gray-600: #353B49;
    --gray-700: #2B3140;
    --gray-800: #1A2030;
    --gray-900: #0F1520;

    --success-700: #047857;
    --success-600: #059669;
    --success-100: #D1FAE5;
    --success-50:  #ECFDF5;
    --danger-600:  #DC2626;
    --danger-100:  #FEE2E2;
    --danger-50:   #FEF2F2;
    --warning-600: #D97706;
    --warning-100: #FEF3C7;
    --warning-50:  #FFFBEB;

    --sp-1:  4px;
    --sp-2:  8px;
    --sp-3:  12px;
    --sp-4:  16px;
    --sp-5:  20px;
    --sp-6:  24px;
    --sp-8:  32px;
    --sp-10: 40px;
    --sp-12: 48px;
    --sp-16: 64px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --text-2xs: 0.6875rem;
    --text-xs:  0.75rem;
    --text-sm:  0.8125rem;
    --text-base: 0.875rem;
    --text-md:  0.9375rem;
    --text-lg:  1.0625rem;
    --text-xl:  1.25rem;
    --text-2xl: 1.625rem;
    --text-3xl: 2.125rem;

    --leading-tight:  1.2;
    --leading-normal: 1.5;

    --weight-normal:   400;
    --weight-medium:   500;
    --weight-semibold: 600;
    --weight-bold:     700;

    --shadow-xs: 0 1px 2px 0 rgba(0,0,0,0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0,0,0,0.08), 0 1px 2px -1px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

    --radius-sm:   6px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-xl:   16px;
    --radius-full: 9999px;

    --transition-fast:   150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow:   300ms ease;
}

/* -----------------------------------------------------------------
   2. RESET & BASE
   ----------------------------------------------------------------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    font-size: var(--text-md);
    line-height: var(--leading-normal);
    color: var(--gray-800);
    background-color: var(--gray-50);
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
table { border-collapse: collapse; border-spacing: 0; }

/* Focus ring for accessibility */
:focus-visible {
    outline: 2px solid var(--brand-500);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* -----------------------------------------------------------------
   3. LAYOUT
   ----------------------------------------------------------------- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

/* -----------------------------------------------------------------
   4. TYPOGRAPHY
   ----------------------------------------------------------------- */
.page-header {
    padding: var(--sp-6) 0 var(--sp-5);
}

.page-title {
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--gray-900);
    line-height: var(--leading-tight);
}

.page-subtitle {
    font-size: var(--text-base);
    color: var(--gray-500);
    margin-top: var(--sp-1);
}

/* -----------------------------------------------------------------
   5. HEADER
   ----------------------------------------------------------------- */
.header {
    background: #fff;
    box-shadow: var(--shadow-xs);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.logo-image {
    height: 28px;
    width: auto;
}

.logo {
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--gray-900);
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}

.header-actions button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--gray-500);
    font-size: var(--text-lg);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.header-actions button:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* -----------------------------------------------------------------
   6. NAVIGATION
   ----------------------------------------------------------------- */
.nav {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
}

.nav-list {
    list-style: none;
    display: flex;
    gap: var(--sp-1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-4);
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--gray-500);
    border-radius: var(--radius-sm);
    position: relative;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link i { font-size: var(--text-md); }

.nav-link:hover {
    color: var(--gray-700);
    background: var(--gray-50);
}

.nav-item.active .nav-link {
    color: var(--brand-600);
    font-weight: var(--weight-semibold);
}

.nav-item.active .nav-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: var(--sp-4);
    right: var(--sp-4);
    height: 2px;
    background: var(--brand-600);
    border-radius: 2px 2px 0 0;
}

.nav .container {
    display: flex;
    align-items: stretch;
    min-height: 44px;
}

/* -----------------------------------------------------------------
   7. PAGE CONTEXT
   ----------------------------------------------------------------- */
.main {
    padding: var(--sp-6) 0 var(--sp-12);
}

.page-context {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-6);
}

.page-context-left {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
}

.page-period {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--text-sm);
    color: var(--gray-500);
    background: var(--gray-100);
    padding: var(--sp-1) var(--sp-3);
    border-radius: var(--radius-full);
    font-weight: var(--weight-medium);
}

.page-period i { font-size: var(--text-xs); }

/* -----------------------------------------------------------------
   8. KPI CARDS
   ----------------------------------------------------------------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-5);
    margin-bottom: var(--sp-8);
}

.kpi-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--sp-5) var(--sp-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gray-200);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.kpi-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--gray-200);
}

.kpi-card--target::before { background: var(--gray-400); }
.kpi-card--sales::before  { background: var(--brand-600); }
.kpi-card--gauge::before  { background: var(--success-600); }

.kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-3);
}

.kpi-label {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kpi-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-md);
}

.kpi-icon--target {
    background: var(--gray-100);
    color: var(--gray-500);
}

.kpi-icon--sales {
    background: var(--brand-50);
    color: var(--brand-600);
}

.kpi-icon--gauge {
    background: var(--success-50);
    color: var(--success-600);
}

.kpi-value {
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    color: var(--gray-900);
    line-height: 1;
    letter-spacing: -0.02em;
}

.kpi-unit {
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    color: var(--gray-500);
}

/* KPI Progress Bar */
.kpi-progress {
    margin-top: var(--sp-3);
    height: 6px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.kpi-progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.kpi-progress-fill--success { background: var(--success-600); }
.kpi-progress-fill--warning { background: var(--warning-600); }
.kpi-progress-fill--danger  { background: var(--danger-600); }

.kpi-footer {
    margin-top: var(--sp-3);
    font-size: var(--text-sm);
    color: var(--gray-400);
    font-weight: var(--weight-medium);
}

.kpi-remaining {
    color: var(--gray-500);
}

/* -----------------------------------------------------------------
   9. CARDS (generic containers)
   ----------------------------------------------------------------- */
.card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--sp-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    margin-bottom: var(--sp-6);
    transition: box-shadow var(--transition-normal);
}

.card-title {
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
    color: var(--gray-900);
    letter-spacing: 0.01em;
}

.card-subtitle {
    font-size: var(--text-base);
    color: var(--gray-400);
    margin-top: var(--sp-1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--sp-4);
    margin-bottom: var(--sp-5);
}

.card-header .card-subtitle {
    margin-top: var(--sp-1);
}

/* -----------------------------------------------------------------
   10. DATA TABLES
   ----------------------------------------------------------------- */
.table-container {
    overflow-x: auto;
    margin-top: var(--sp-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-100);
}

.data-table {
    width: 100%;
    font-size: var(--text-base);
}

.data-table thead {
    background: var(--gray-50);
}

.data-table th {
    text-align: left;
    padding: var(--sp-3) var(--sp-4);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}

.data-table td {
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
    vertical-align: middle;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

.data-table td:first-child {
    font-weight: var(--weight-semibold);
    color: var(--gray-900);
}

.td-number {
    font-variant-numeric: tabular-nums;
    font-weight: var(--weight-medium);
}

/* Clickable rows */
.data-table tbody tr.clickable-row {
    cursor: pointer;
    transition: background var(--transition-fast);
}

.data-table tbody tr.clickable-row:hover {
    background: var(--brand-50);
}

.data-table tbody tr.clickable-row td:first-child {
    position: relative;
    padding-right: var(--sp-8);
}

.data-table tbody tr.clickable-row td:first-child::after {
    content: '›';
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--gray-300);
    position: absolute;
    right: var(--sp-4);
    top: 50%;
    transform: translateY(-50%);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.data-table tbody tr.clickable-row:hover td:first-child::after {
    color: var(--brand-600);
    transform: translateY(-50%) translateX(2px);
}

/* Total row */
.data-table tfoot .total-row td {
    font-weight: var(--weight-bold);
    color: var(--gray-900);
    background: var(--gray-50);
    border-top: 2px solid var(--gray-200);
    border-bottom: none;
    padding: var(--sp-3) var(--sp-4);
}

/* -----------------------------------------------------------------
   11. INLINE PROGRESS (table cells)
   ----------------------------------------------------------------- */
.cell-progress {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    min-width: 120px;
}

.cell-progress-value {
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    font-variant-numeric: tabular-nums;
    min-width: 36px;
}

.cell-progress-track {
    flex: 1;
    height: 4px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    overflow: hidden;
    min-width: 48px;
}

.cell-progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress--success { background: var(--success-600); }
.progress--warning { background: var(--warning-600); }
.progress--danger  { background: var(--danger-600); }

/* -----------------------------------------------------------------
   12. DELTA INDICATORS
   ----------------------------------------------------------------- */
.delta {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.delta--positive { color: var(--success-700); }
.delta--negative { color: var(--danger-600); }
.delta--neutral  { color: var(--gray-400); }

.delta-arrow {
    font-size: var(--text-2xs);
    font-weight: var(--weight-bold);
}

/* -----------------------------------------------------------------
   13. TOGGLE CONTROLS
   ----------------------------------------------------------------- */
.toggle-container {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.toggle-label {
    font-size: var(--text-sm);
    color: var(--gray-500);
    font-weight: var(--weight-medium);
    white-space: nowrap;
}

.toggle-group {
    display: inline-flex;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.toggle-btn {
    padding: var(--sp-1) var(--sp-3);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    border: none;
    background: transparent;
    color: var(--gray-500);
    border-radius: 4px;
    transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.toggle-btn.active {
    background: #fff;
    color: var(--gray-900);
    box-shadow: var(--shadow-xs);
}

.toggle-btn:not(.active):hover {
    color: var(--gray-700);
}

/* -----------------------------------------------------------------
   14. CHART CONTAINERS
   ----------------------------------------------------------------- */
.chart-container {
    position: relative;
    height: 320px;
    padding: var(--sp-4) 0;
}

.chart-container canvas {
    max-height: 320px;
}

/* -----------------------------------------------------------------
   14b. MAP MOCK
   ----------------------------------------------------------------- */
.map-mock {
    position: relative;
}

.map-mock-canvas {
    position: relative;
    height: 340px;
    background: linear-gradient(135deg, #667eea 0%, #7c6dd8 40%, #764ba2 100%);
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* Heatmap spots overlay */
.map-grid {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(ellipse 180px 160px at 35% 45%, rgba(139, 195, 74, 0.45) 0%, transparent 70%),
        radial-gradient(ellipse 140px 130px at 28% 50%, rgba(139, 195, 74, 0.30) 0%, transparent 70%),
        radial-gradient(circle 90px at 60% 38%, rgba(255, 152, 0, 0.50) 0%, transparent 70%),
        radial-gradient(circle 70px at 65% 32%, rgba(255, 87, 34, 0.55) 0%, transparent 60%),
        radial-gradient(circle 60px at 72% 42%, rgba(255, 87, 34, 0.40) 0%, transparent 65%),
        radial-gradient(ellipse 100px 90px at 50% 58%, rgba(255, 193, 7, 0.45) 0%, transparent 70%),
        radial-gradient(circle 55px at 80% 65%, rgba(139, 195, 74, 0.35) 0%, transparent 65%),
        radial-gradient(circle 45px at 18% 30%, rgba(255, 193, 7, 0.30) 0%, transparent 65%),
        radial-gradient(circle 50px at 45% 70%, rgba(139, 195, 74, 0.25) 0%, transparent 65%);
    opacity: 0.85;
    pointer-events: none;
}

/* Map pins */
.map-pin {
    position: absolute;
    transform: translate(-50%, -50%);
    z-index: 2;
    cursor: default;
}

.map-pin-dot {
    display: block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2.5px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
    transition: transform var(--transition-fast);
}

.map-pin:hover .map-pin-dot {
    transform: scale(1.35);
}

.map-pin--high .map-pin-dot { background: #fff; }
.map-pin--mid  .map-pin-dot { background: rgba(255, 255, 255, 0.7); }
.map-pin--low  .map-pin-dot { background: rgba(255, 255, 255, 0.45); }

/* Pulse animation for high-volume locations */
.map-pin-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    z-index: 1;
}

.map-pin--high .map-pin-pulse {
    background: rgba(255, 255, 255, 0.6);
    animation: map-pulse 2.5s ease-out infinite;
}

@keyframes map-pulse {
    0%   { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0;   transform: translate(-50%, -50%) scale(3); }
}

/* Tooltip on hover */
.map-pin::after {
    content: attr(data-label) '  ·  ' attr(data-value);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: #fff;
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 10;
}

.map-pin::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.75);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 10;
}

.map-pin:hover::after,
.map-pin:hover::before {
    opacity: 1;
}

/* Legend */
.map-legend {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    margin-top: var(--sp-4);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--gray-100);
}

.map-legend-title {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.map-legend-items {
    display: flex;
    gap: var(--sp-5);
}

.map-legend-item {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--text-sm);
    color: var(--gray-600);
}

.map-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.map-legend-dot--high { background: var(--success-600); }
.map-legend-dot--mid  { background: var(--warning-600); }
.map-legend-dot--low  { background: var(--danger-600); }

/* Responsive map */
@media (max-width: 768px) {
    .map-mock-canvas {
        height: 260px;
    }

    .map-legend {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--sp-2);
    }

    .map-legend-items {
        flex-wrap: wrap;
        gap: var(--sp-3);
    }
}

/* -----------------------------------------------------------------
   15. MODAL
   ----------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

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

.modal-content {
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 680px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: translateY(12px) scale(0.98);
    transition: transform var(--transition-slow);
    overflow: hidden;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--sp-6) var(--sp-6) 0;
    flex-shrink: 0;
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--gray-900);
    letter-spacing: -0.01em;
}

.modal-subtitle {
    font-size: var(--text-base);
    color: var(--gray-400);
    margin-top: var(--sp-1);
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--gray-400);
    font-size: var(--text-lg);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* Modal KPI summary strip */
.modal-summary {
    display: flex;
    gap: var(--sp-3);
    padding: var(--sp-5) var(--sp-6);
    flex-shrink: 0;
}

.modal-metric {
    flex: 1;
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-md);
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    text-align: center;
}

.modal-metric-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--sp-1);
}

.modal-metric-value {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--gray-900);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.modal-metric.meta    { border-top: 3px solid var(--gray-400); }
.modal-metric.vendas  { border-top: 3px solid var(--brand-600); }
.modal-metric.pct     { border-top: 3px solid var(--success-600); }

.modal-body {
    padding: 0 var(--sp-6) var(--sp-6);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-table-header {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--sp-3);
    margin-bottom: var(--sp-4);
}

/* -----------------------------------------------------------------
   16. EMPTY / LOADING STATES
   ----------------------------------------------------------------- */
.state-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--sp-12) var(--sp-6);
    text-align: center;
    color: var(--gray-400);
}

.state-empty i {
    font-size: 2rem;
    margin-bottom: var(--sp-4);
    color: var(--gray-300);
}

.state-empty p {
    font-size: var(--text-base);
    max-width: 280px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.skeleton {
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    animation: pulse 1.5s ease-in-out infinite;
}

/* -----------------------------------------------------------------
   17. HOME PAGE: Summary Cards
   ----------------------------------------------------------------- */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--sp-6);
    max-width: 780px;
}

.summary-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--sp-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: box-shadow var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
    text-decoration: none;
    color: inherit;
}

.summary-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--gray-200);
    transform: translateY(-2px);
}

.summary-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-6);
}

.summary-card-header h3 {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
}

.summary-card-header i {
    font-size: var(--text-xl);
    color: var(--gray-300);
}

.summary-body {
    display: flex;
    align-items: center;
    gap: var(--sp-6);
    margin-bottom: var(--sp-6);
}

/* CSS-based progress ring */
.summary-ring {
    --size: 120px;
    --thickness: 8px;
    --progress: 0;
    --color: var(--brand-600);
    --track: var(--gray-100);

    width: var(--size);
    height: var(--size);
    border-radius: 50%;
    background: conic-gradient(
        var(--color) calc(var(--progress) * 3.6deg),
        var(--track) calc(var(--progress) * 3.6deg)
    );
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    transition: --progress 1s ease;
}

.summary-ring::before {
    content: '';
    position: absolute;
    width: calc(var(--size) - var(--thickness) * 2);
    height: calc(var(--size) - var(--thickness) * 2);
    border-radius: 50%;
    background: #fff;
}

.summary-ring-label {
    position: relative;
    z-index: 1;
    text-align: center;
}

.summary-ring-pct {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--gray-900);
    line-height: 1;
}

.summary-ring-text {
    font-size: var(--text-xs);
    color: var(--gray-400);
    font-weight: var(--weight-medium);
    display: block;
    margin-top: 2px;
}

.summary-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    flex: 1;
}

.summary-metric {
    display: flex;
    flex-direction: column;
}

.summary-metric-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-400);
    margin-bottom: 2px;
}

.summary-metric-value {
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--gray-900);
    font-variant-numeric: tabular-nums;
}

.summary-footer {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--brand-600);
    padding-top: var(--sp-4);
    border-top: 1px solid var(--gray-100);
    transition: gap var(--transition-fast);
}

.summary-card:hover .summary-footer {
    gap: var(--sp-3);
}

.summary-footer i {
    font-size: var(--text-sm);
    transition: transform var(--transition-fast);
}

.summary-card:hover .summary-footer i {
    transform: translateX(2px);
}

/* -----------------------------------------------------------------
   18. RESPONSIVE
   ----------------------------------------------------------------- */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--sp-5);
    }
}

@media (max-width: 768px) {
    .header .container {
        height: 48px;
    }

    .logo { font-size: var(--text-md); }
    .logo-image { height: 24px; }

    .nav-list { gap: 0; }
    .nav-link {
        padding: var(--sp-3);
        font-size: var(--text-sm);
    }

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

    .kpi-grid {
        grid-template-columns: 1fr;
        gap: var(--sp-3);
    }

    .kpi-card {
        padding: var(--sp-4) var(--sp-5);
    }

    .kpi-value {
        font-size: var(--text-2xl);
    }

    .card {
        padding: var(--sp-5);
        margin-bottom: var(--sp-4);
    }

    .chart-container {
        height: 240px;
    }

    .chart-container canvas {
        max-height: 240px;
    }

    .data-table {
        font-size: var(--text-sm);
    }

    .data-table th,
    .data-table td {
        padding: var(--sp-2) var(--sp-3);
    }

    .cell-progress {
        min-width: 90px;
    }

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .summary-ring {
        --size: 100px;
        --thickness: 7px;
    }

    .summary-ring-pct {
        font-size: var(--text-xl);
    }

    .modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .modal-content {
        max-width: 100%;
        max-height: 90vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        transform: translateY(100%);
    }

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

    .modal-header,
    .modal-summary {
        padding-left: var(--sp-5);
        padding-right: var(--sp-5);
    }

    .modal-body {
        padding: 0 var(--sp-5) var(--sp-5);
    }

    .modal-summary {
        gap: var(--sp-2);
    }

    .modal-metric {
        padding: var(--sp-3);
    }

    .modal-metric-value {
        font-size: var(--text-xl);
    }

    .page-context {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--sp-3);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--sp-4);
    }

    .kpi-header {
        margin-bottom: var(--sp-2);
    }

    .kpi-icon {
        width: 32px;
        height: 32px;
    }

    .summary-body {
        flex-direction: column;
        text-align: center;
    }

    .summary-metrics {
        flex-direction: row;
        gap: var(--sp-6);
    }

    .summary-metric {
        align-items: center;
    }
}