/**
 * Envision.ds CSS
 * 
 *.ds-specific styles for KPIs, Charts, Tables, and Info cards.
 * Requires: envision-dark-theme.css
 * 
 * Usage:
 *   <link rel="stylesheet" href="envision-dark-theme.css">
 *   <link rel="stylesheet" href="envision.ds.css">
 */

/* ============================================
  .ds COLOR PALETTE
   Each visualization type has its own accent
   ============================================ */

:root {
    /* KPI Card - Cyan/Teal accent */
    --kpi-accent: #00bcd4;
    --kpi-accent-light: #4dd0e1;
    --kpi-accent-dark: #01454c;
    --kpi-glow: rgba(0, 188, 212, 0.15);
    --kpi-border: rgba(0, 188, 212, 0.3);

    /* Chart Card - Purple/Violet accent */
    --chart-accent: #ab47bc;
    --chart-accent-light: #ce93d8;
    --chart-accent-dark: #7b1fa2;
    --chart-glow: rgba(171, 71, 188, 0.15);
    --chart-border: rgba(171, 71, 188, 0.3);

    /* Table Card - Blue accent */
    --table-accent: #42a5f5;
    --table-accent-light: #90caf9;
    --table-accent-dark: #062748;
    --table-glow: rgba(66, 165, 245, 0.15);
    --table-border: rgba(66, 165, 245, 0.3);

    /* Maps Card - Teal/Seafoam accent (evokes terrain & water) */
    --iframe-accent: #26a69a;
    --iframe-accent-light: #80cbc4;
    --iframe-accent-dark: #004d40;
    --iframe-glow: rgba(38, 166, 154, 0.15);
    --iframe-border: rgba(38, 166, 154, 0.3);
    --iframe-terrain: #4db6ac;
    --iframe-water: #00897b;
    --iframe-highlight: #64ffda;

    /* Info Card - Amber/Gold accent */
    --info-accent: #ffb300;
    --info-accent-light: #ffe082;
    --info-accent-dark: #ff8f00;
    --info-glow: rgba(255, 179, 0, 0.15);
    --info-border: rgba(255, 179, 0, 0.3);

    /*.ds Layout */
    --ds-gap: 15px;
    --ds-gap-mobile: 12px;
    --card-padding: 10px;
    --card-padding-mobile: 10px;
}


/* ============================================
  .ds LAYOUT
   ============================================ */

.ds {
    width: 100%;
    min-height: 100vh;
    padding: var(--spacing-6);
    background-color: var(--background-default);
}

.ds-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.ds-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.ds-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-1);
}

.ds-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}


/* ============================================
   GRID SYSTEM
   ============================================ */

.ds-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--ds-gap);
}

/* Column spans */
.col-1 {
    grid-column: span 1;
}

.col-2 {
    grid-column: span 2;
}

.col-3 {
    grid-column: span 3;
}

.col-4 {
    grid-column: span 4;
}

.col-5 {
    grid-column: span 5;
}

.col-6 {
    grid-column: span 6;
}

.col-7 {
    grid-column: span 7;
}

.col-8 {
    grid-column: span 8;
}

.col-9 {
    grid-column: span 9;
}

.col-10 {
    grid-column: span 10;
}

.col-11 {
    grid-column: span 11;
}

.col-12 {
    grid-column: span 12;
}

/* Row spans */
.row-2 {
    grid-row: span 2;
}

.row-3 {
    grid-row: span 3;
}


/* ============================================
   BASE CARD STYLES
   ============================================ */

.ds-card {
    background-color: var(--background-paper);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    padding: var(--card-padding);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast),
        box-shadow var(--transition-fast),
        border-color var(--transition-fast);
}

.ds-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 4px rgba(0, 0, 0, 0.4);
}

.ds-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-1);
}

.ds-card-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

.ds-card-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 16px;
}

.ds-card-body {
    flex: 1;
    padding-left: 5px;
    padding-right: 5px
}

.ds-card-footer {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}


/* ============================================
   KPI CARDS
   Cyan/Teal accent for metrics & numbers
   ============================================ */

.card-kpi {
    border-left: 3px solid var(--kpi-accent);
    background: linear-gradient(135deg, var(--background-paper) 0%, rgba(0, 188, 212, 0.03) 100%);
}

.card-kpi:hover {
    border-color: var(--kpi-accent-light);
    box-shadow: 6px 0 9px var(--kpi-accent-dark)
}

.card-kpi .ds-card-icon {
    background-color: var(--kpi-glow);
    color: var(--kpi-accent);
}

.card-kpi .ds-card-title {
    color: var(--kpi-accent-light);
}

.kpi-value {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: var(--spacing-2);
}

.kpi-value-sm {
    font-size: 1.75rem;
}

.kpi-value-lg {
    font-size: 3.5rem;
}

.kpi-unit {
    font-size: 0.4em;
    font-weight: var(--font-weight-regular);
    color: var(--text-secondary);
    margin-left: 4px;
}

.kpi-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.kpi-change-up {
    background-color: rgba(76, 175, 80, 0.15);
    color: var(--success-300);
}

.kpi-change-down {
    background-color: rgba(244, 67, 54, 0.15);
    color: var(--error-300);
}

.kpi-change-neutral {
    background-color: rgba(158, 158, 158, 0.15);
    color: var(--grey-400);
}

.kpi-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-2);
}

/* KPI Sparkline placeholder */
.kpi-sparkline {
    height: 40px;
    margin-top: var(--spacing-3);
    background: linear-gradient(90deg,
            transparent 0%,
            var(--kpi-glow) 50%,
            transparent 100%);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.kpi-sparkline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
            var(--kpi-accent-dark),
            var(--kpi-accent),
            var(--kpi-accent-light),
            var(--kpi-accent));
}

/* ============================================
   IFRAME CARDS
   ============================================ */

.card-iframe {
    border: 1px solid var(--iframe-accent);
    border-bottom: 4px solid var(--iframe-accent);
    background: linear-gradient(180deg, rgba(171, 71, 188, 0.05) 0%, var(--background-paper) 15%);
}

.card-iframe:hover {
    border-color: var(--iframe-accent-light);
    box-shadow: 0 -4px 4px var(--iframe-accent-light)
}

.card-iframe .ds-card-icon {
    background-color: var(--iframe-glow);
    color: var(--iframe-accent);
}

.card-iframe .ds-card-title {
    color: var(--iframe-accent-light);
}

.iframe-container {
    width: 100%;
    min-height: 200px;
    display: flex;
    padding: 2px;
    align-items: center;
    justify-content: center;
    background-color: var(--surface-1);
    border-radius: var(--radius-md);
    border: 1px dashed var(--iframe-terrain);
    position: relative;
}


/* ============================================
   CHART CARDS
   Purple accent for visualizations
   ============================================ */

.card-chart {
    border-right: 3px solid var(--chart-accent);
    background: linear-gradient(180deg, rgba(171, 71, 188, 0.05) 0%, var(--background-paper) 15%);
}

.card-chart:hover {
    border-color: var(--chart-accent-light);
    box-shadow: -4px 0 4px var(--chart-accent-dark)
}

.card-chart .ds-card-icon {
    background-color: var(--chart-glow);
    color: var(--chart-accent);
}

.card-chart .ds-card-title {
    color: var(--chart-accent-light);
}

.chart-container {
    width: 100%;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--surface-1);
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-light);
    position: relative;
}

.chart-placeholder {
    color: var(--text-disabled);
    font-size: var(--font-size-sm);
    text-align: center;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.chart-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
}

.chart-legend-dot.primary {
    background-color: var(--primary-main);
}

.chart-legend-dot.secondary {
    background-color: var(--secondary-main);
}

.chart-legend-dot.success {
    background-color: var(--success-main);
}

.chart-legend-dot.warning {
    background-color: var(--warning-main);
}

.chart-legend-dot.error {
    background-color: var(--error-main);
}

/* Chart type badges */
.chart-type-badge {
    position: absolute;
    top: var(--spacing-2);
    right: var(--spacing-2);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    background-color: var(--chart-glow);
    color: var(--chart-accent-light);
    border-radius: var(--radius-sm);
}


/* ============================================
   TABLE CARDS
   Blue accent for data tables
   ============================================ */

.card-table {
    border-top: 3px solid var(--table-accent);
    padding-bottom: 0;
}

.card-table:hover {
    border-color: var(--table-accent-light);
    box-shadow: 0 9px 4px var(--table-accent-dark);
}

.card-table .ds-card-icon {
    background-color: var(--table-glow);
    color: var(--table-accent);
}

.card-table .ds-card-title {
    color: var(--table-accent-light);
}

.card-table .ds-card-body {
    margin: 0 calc(var(--card-padding) * -1);
    margin-top: var(--spacing-4);
}

.ds-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.ds-table thead {
    background-color: var(--surface-2);
    border-top: 1px solid var(--border-light);
}

.ds-table th {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    font-weight: var(--font-weight-medium);
    color: var(--table-accent-light);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--table-border);
}

.ds-table td {
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
}

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

.ds-table tbody tr:hover {
    background-color: var(--table-glow);
}

.ds-table tbody tr:last-child td {
    border-top: none;
}

/* Table cell variants */
.cell-number {
    font-family: var(--font-family-mono);
    text-align: right;
}

.cell-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.status-dot.active {
    background-color: var(--success-main);
}

.status-dot.pending {
    background-color: var(--warning-main);
}

.status-dot.inactive {
    background-color: var(--error-main);
}

.table-actions {
    display: flex;
    gap: var(--spacing-2);
}

.table-action-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.table-action-btn:hover {
    background-color: var(--action-hover);
    border-color: var(--table-accent);
    color: var(--table-accent);
}

/* Table pagination */
.table-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    background-color: var(--surface-1);
    border-top: 1px solid var(--border-light);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}


/* ============================================
   INFO CARDS
   Amber/Gold accent for information
   ============================================ */

.card-info {
    border-right: 3px solid var(--info-accent);
    background: linear-gradient(270deg, rgba(255, 179, 0, 0.03) 0%, var(--background-paper) 100%);
}

.card-info:hover {
    border-color: var(--info-accent-light);
    box-shadow: 0 8px 4px rgba(0, 0, 0, 0.4),
        0 0 0 1px var(--info-border);
}

.card-info .ds-card-icon {
    background-color: var(--info-glow);
    color: var(--info-accent);
}

.card-info .ds-card-title {
    color: var(--info-accent-light);
}

.info-content {
    font-size: '14px';
    color: var(--text-primary);
    line-height: var(--line-height-relaxed);
}

.info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-list-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid var(--border-light);
}

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

.info-list-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--info-glow);
    color: var(--info-accent);
    border-radius: var(--radius-sm);
    font-size: 12px;
    flex-shrink: 0;
}

.info-list-content {
    flex: 1;
}

.info-list-title {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: 2px;
}

.info-list-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Info card with highlight */
.info-highlight {
    background-color: var(--info-glow);
    border: 1px solid var(--info-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-4);
    margin-top: var(--spacing-3);
}

.info-highlight-value {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--info-accent);
}

.info-highlight-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--spacing-1);
}


/* ============================================
   SECTION DIVIDERS
   ============================================ */

.ds-section {
    margin-bottom: var(--spacing-8);
}

.ds-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-3);
    border-bottom: 1px solid var(--border-light);
}

.ds-section-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.ds-section-actions {
    display: flex;
    gap: var(--spacing-2);
}


/* ============================================
   QUICK STATS ROW
   ============================================ */

.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 5px;

}

.quick-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2);
    background-color: var(--surface-1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.quick-stat:hover {
    background-color: var(--surface-2);
    border-color: var(--border-medium);
}

.quick-stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 20px;
}

.quick-stat-icon.kpi {
    background-color: var(--kpi-glow);
    color: var(--kpi-accent);
}

.quick-stat-icon.chart {
    background-color: var(--chart-glow);
    color: var(--chart-accent);
}

.quick-stat-icon.table {
    background-color: var(--table-glow);
    color: var(--table-accent);
}

.quick-stat-icon.info {
    background-color: var(--info-glow);
    color: var(--info-accent);
}

.quick-stat-content {
    flex: 1;
    align-items: flex-start;
}

.quick-stat-value {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.quick-stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 18px;
    max-height: 70px;
    overflow: hidden;
}

/* ============================================
   LOADING STATES
   ============================================ */

.card-loading {
    pointer-events: none;
}

.card-loading .ds-card-body {
    opacity: 0.5;
}

.card-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
            transparent,
            var(--primary-main),
            transparent);
    animation: loading-bar 1.5s ease-in-out infinite;
}

@keyframes loading-bar {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}


/* ============================================
   EMPTY STATES
   ============================================ */

.card-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    text-align: center;
}

.card-empty-icon {
    font-size: 48px;
    color: var(--text-disabled);
    margin-bottom: var(--spacing-4);
}

.card-empty-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2);
}

.card-empty-description {
    font-size: var(--font-size-sm);
    color: var(--text-disabled);
    max-width: 280px;
}


/* ============================================
   TABLET BREAKPOINT (max 1024px)
   ============================================ */

@media (max-width: 1024px) {
    .ds {
        padding: var(--spacing-4);
    }

    .ds-grid {
        gap: var(--spacing-4);
    }

    .col-4 {
        grid-column: span 6;
    }

    .col-3 {
        grid-column: span 6;
    }

    .col-8 {
        grid-column: span 12;
    }

    .col-9 {
        grid-column: span 12;
    }

    .kpi-value {
        font-size: 2rem;
    }

    .kpi-value-lg {
        font-size: 2.5rem;
    }
}


/* ============================================
   MOBILE BREAKPOINT (max 768px)
   ============================================ */

@media (max-width: 768px) {
    .ds {
        padding: var(--ds-gap-mobile);
    }

    .ds-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .ds-title {
        font-size: 1.5rem;
    }

    .ds-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .ds-grid {
        gap: var(--ds-gap-mobile);
    }

    /* All columns become full width on mobile */
    .col-1,
    .col-2,
    .col-3,
    .col-4,
    .col-5,
    .col-6,
    .col-7,
    .col-8,
    .col-9,
    .col-10,
    .col-11,
    .col-12 {
        grid-column: span 12;
    }

    .ds-card {
        padding: var(--card-padding-mobile);
    }

    .card-table .ds-card-body {
        margin: 0 calc(var(--card-padding-mobile) * -1);
    }

    .kpi-value {
        font-size: 1.75rem;
    }

    .kpi-value-lg {
        font-size: 2rem;
    }

    .chart-container {
        min-height: 160px;

    }

    .ds-table {
        font-size: 12px;

    }

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

    /* Horizontal scroll for tables */
    .table-scroll-wrapper {
        overflow-x: scroll;
        overflow: scroll;
    }

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

    .quick-stat {
        padding: var(--spacing-3);
    }

    .quick-stat-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .chart-legend {
        gap: var(--spacing-3);
    }

    .table-pagination {
        flex-direction: column;
        gap: var(--spacing-2);
        text-align: center;
    }
}


/* ============================================
   SMALL MOBILE BREAKPOINT (max 480px)
   ============================================ */

@media (max-width: 480px) {
    .ds {
        padding: var(--spacing-2);
    }

    .ds-grid {
        gap: var(--spacing-3);
    }

    .ds-card {
        padding: var(--spacing-3);
        border-radius: var(--radius-md);

    }

    .ds-card-header {
        margin-bottom: var(--spacing-1);
    }

    .kpi-value {
        font-size: 1.5rem;
    }

    .ds-table th,
    .ds-table td {
        padding: var(--spacing-2);
    }

    .info-list-item {
        flex-direction: column;
        gap: var(--spacing-2);
    }
}


/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .ds {
        background: white;
        padding: 0;
    }

    .ds-card {
        break-inside: avoid;
        border: 1px solid #ddd;
        box-shadow: none;
    }

    .ds-card:hover {
        transform: none;
        box-shadow: none;
    }

    .btn,
    .ds-actions,
    .table-action-btn {
        display: none;
    }
}