/* ========================================
   ANALYTICS SHARED STYLES
   Common layout, sections, meta pills, and
   responsive rules used across all analytics pages.
   ======================================== */

/* ----------------------------------------
   MAIN CONTAINER
   ---------------------------------------- */

.analytics-container {
    padding: var(--spacing-md);
    max-width: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    background: var(--bg-body);
    width: 100%;
}

/* ----------------------------------------
   META PILLS (real-time / last-refresh badge)
   ---------------------------------------- */

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

.meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 4px var(--spacing-xs);
    white-space: nowrap;
}

/* Analytics realtime pill: cyan (info) with pulse animation */
.realtime-pill {
    color: var(--color-info);
    border-color: var(--color-info);
    animation: pulse-soft 2s ease-in-out infinite;
}

/* ----------------------------------------
   KPI SUMMARY BAR
   ---------------------------------------- */

.analytics-kpi-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.kpi-pill {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 6px var(--spacing-sm);
    white-space: nowrap;
    transition: box-shadow var(--transition-base);
}

.kpi-pill:hover {
    box-shadow: var(--shadow-sm);
}

.kpi-pill-value {
    font-weight: 700;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.kpi-pill-label {
    opacity: 0.8;
}

/* Conditional KPI pill colors — uses design-system color-mix tints */
.pill-success {
    color: var(--color-success);
    background: color-mix(in srgb, var(--color-success) 12%, transparent);
    border-color: color-mix(in srgb, var(--color-success) 40%, transparent);
}

.pill-warning {
    color: var(--color-warning-dark, oklch(0.48 0.13 80));
    background: color-mix(in srgb, var(--color-warning) 15%, transparent);
    border-color: color-mix(in srgb, var(--color-warning) 40%, transparent);
}

.pill-danger {
    color: var(--color-error);
    background: color-mix(in srgb, var(--color-error) 10%, transparent);
    border-color: color-mix(in srgb, var(--color-error) 35%, transparent);
}

/* ----------------------------------------
   SECTIONS
   ---------------------------------------- */

.analytics-section {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    padding: var(--spacing-md);
    transition: box-shadow var(--transition-base);
}

.analytics-section:hover {
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.section-title {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

.chart-area {
    min-height: 280px;
}

/* ----------------------------------------
   HISTORICAL TOOLBAR (refresh button)
   ---------------------------------------- */

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

.refresh-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px var(--spacing-sm);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.refresh-btn:hover:not(:disabled) {
    background: var(--bg-body);
    border-color: var(--color-info);
    color: var(--color-info);
}

.refresh-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ----------------------------------------
   TYPE & ACCURACY BADGES
   ---------------------------------------- */

.type-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.accuracy-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
}

/* ----------------------------------------
   NO DATA PLACEHOLDER
   ---------------------------------------- */

.no-data {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* ----------------------------------------
   2-COLUMN ROW LAYOUT
   ---------------------------------------- */

.analytics-row-2col {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-md);
}

/* ----------------------------------------
   ANALYTICS STAT GRID (no scrollbar)
   ---------------------------------------- */

.analytics-stat-grid .k-grid-content {
    overflow: hidden;
}

.analytics-stat-grid .k-grid-header,
.analytics-stat-grid .k-grid-footer {
    padding-right: 0;
}

.analytics-stat-grid .k-grid-header-wrap,
.analytics-stat-grid .k-grid-footer-wrap {
    border-right-width: 0;
}

/* ----------------------------------------
   RESPONSIVE
   ---------------------------------------- */

@media (max-width: 1199px) {
    .analytics-row-2col {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 991px) {
    .analytics-container {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .analytics-row-2col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .chart-area {
        min-height: 240px;
    }

    .analytics-kpi-bar {
        gap: var(--spacing-xs);
    }

    .kpi-pill {
        padding: 4px var(--spacing-xs);
        font-size: 10px;
    }
}

/* ----------------------------------------
   TAB BAR (shared by Fleet and Mission tab bars)
   ---------------------------------------- */

.analytics-tabs {
    display: flex;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
    background: var(--bg-body);
}

.analytics-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.analytics-tab:hover {
    color: var(--color-primary);
    background: color-mix(in srgb, var(--color-primary) 5%, transparent);
}

.analytics-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.analytics-tab svg {
    width: 16px;
    height: 16px;
}

/* ----------------------------------------
   DEPTH SELECTOR (realtime: hours, historical: months)
   ---------------------------------------- */

.depth-selector-wrap {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.depth-selector {
    appearance: none;
    -webkit-appearance: none;
    font-size: 11px;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 3px var(--spacing-xs);
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.depth-selector:hover,
.depth-selector:focus {
    border-color: var(--color-primary);
    color: var(--text-primary);
    outline: none;
}

/* ----------------------------------------
   STALE DATA WARNING BANNER
   ---------------------------------------- */

.stale-warning {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: color-mix(in srgb, var(--color-warning) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-warning) 40%, transparent);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-warning-dark, oklch(0.48 0.13 80));
}

/* ----------------------------------------
   REFRESH BUTTON SPINNER
   ---------------------------------------- */

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

.refresh-btn.refreshing svg {
    animation: spin 0.7s linear infinite;
}