/* =================================================================== */
/*  IWAC Visualizations — module stylesheet                              */
/* =================================================================== */
/*                                                                       */
/*  All colors, typography, and spacing reference the IWAC theme's       */
/*  CSS custom properties (see IWAC-theme/asset/sass/abstracts).         */
/*  If the theme isn't installed, the fallbacks on the right kick in.    */
/*                                                                       */
/*  Class prefix: `.iwac-vis-` for everything owned by this module, so   */
/*  nothing clashes with IWAC-theme selectors.                           */
/*                                                                       */
/*  This file is deliberately short — chart-specific styles will be      */
/*  added as each visualization is built.                                */
/* =================================================================== */

/* ------------------------------------------------------------------- */
/*  Block wrapper                                                       */
/* ------------------------------------------------------------------- */

.iwac-vis-block {
    margin: var(--space-8, 2rem) 0;
    color: var(--ink, #18202a);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.iwac-vis-block h3 {
    font-size: var(--text-lg, 1.25rem);
    font-weight: 600;
    color: var(--ink, #18202a);
    margin: 0 0 var(--space-3, 0.75rem);
    overflow-wrap: break-word;
    word-break: break-word;
}

.iwac-vis-block h4 {
    font-size: var(--text-base, 1rem);
    font-weight: 600;
    color: var(--ink, #18202a);
    margin: 0 0 var(--space-2, 0.5rem);
}

/* ------------------------------------------------------------------- */
/*  Loading / empty / error states                                      */
/* ------------------------------------------------------------------- */

.iwac-vis-loading,
.iwac-vis-empty,
.iwac-vis-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3, 0.75rem);
    min-height: 180px;
    color: var(--muted, #6e7a82);
    font-size: var(--text-sm, 0.9rem);
}

.iwac-vis-error {
    color: var(--error, #c5504d);
}

.iwac-vis-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border, #dcd7ce);
    border-top-color: var(--primary, #e67a14);
    border-radius: 50%;
    animation: iwac-vis-spin 0.8s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
    .iwac-vis-spinner { animation-duration: 2s; }
}

/* ------------------------------------------------------------------- */
/*  Chart panel (container for a single ECharts instance)               */
/* ------------------------------------------------------------------- */

.iwac-vis-panel {
    background: var(--surface-raised, #f9f7f3);
    border: 1px solid var(--border, #dcd7ce);
    border-radius: var(--radius-md, 8px);
    padding: var(--space-4, 1rem);
}

.iwac-vis-panel > .iwac-vis-chart {
    width: 100%;
    min-height: 320px;
}

/* ------------------------------------------------------------------- */
/*  Dashboard layout                                                    */
/* ------------------------------------------------------------------- */

.iwac-vis-block .dashboard-async-container {
    min-height: 240px;
}

.iwac-vis-block .dashboard-charts {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4, 1rem);
}

@media (min-width: 768px) {
    .iwac-vis-block .dashboard-charts {
        grid-template-columns: 1fr 1fr;
    }
    .iwac-vis-block .dashboard-charts .iwac-vis-panel--wide {
        grid-column: 1 / -1;
    }
}

/* ------------------------------------------------------------------- */
/*  Knowledge graph                                                     */
/* ------------------------------------------------------------------- */

.knowledge-graph-block {
    position: relative;
}

.knowledge-graph-toolbar {
    position: absolute;
    top: var(--space-2, 0.5rem);
    right: var(--space-2, 0.5rem);
    z-index: 5;
    display: flex;
    gap: var(--space-1, 0.25rem);
}

.knowledge-graph-container {
    position: relative;
    min-height: 500px;
    background: var(--surface-raised, #f9f7f3);
    border: 1px solid var(--border, #dcd7ce);
    border-radius: var(--radius-md, 8px);
    overflow: hidden;
}

.knowledge-graph-block.iwac-vis-fullscreen {
    position: fixed;
    inset: 0;
    z-index: 1000;
    margin: 0;
    background: var(--background, #f5f3ee);
    padding: var(--space-4, 1rem);
}

.knowledge-graph-block.iwac-vis-fullscreen .knowledge-graph-container {
    height: calc(100vh - var(--space-8, 2rem));
    min-height: 0;
}

/* ------------------------------------------------------------------- */
/*  Buttons                                                             */
/* ------------------------------------------------------------------- */

.iwac-vis-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2, 0.5rem) var(--space-3, 0.75rem);
    background: var(--surface, #fdfdfc);
    color: var(--ink, #18202a);
    border: 1px solid var(--border, #dcd7ce);
    border-radius: var(--radius-md, 8px);
    font-size: var(--text-sm, 0.9rem);
    font-family: inherit;
    cursor: pointer;
    transition: background-color 150ms ease, border-color 150ms ease;
}

.iwac-vis-btn:hover {
    background: var(--surface-raised, #f9f7f3);
    border-color: color-mix(in srgb, var(--primary, #e67a14) 40%, var(--border, #dcd7ce));
}

.iwac-vis-btn:focus-visible {
    outline: 2px solid var(--primary, #e67a14);
    outline-offset: 2px;
}

/* ------------------------------------------------------------------- */
/*  Compare block                                                       */
/* ------------------------------------------------------------------- */

.compare-block .compare-container {
    min-height: 300px;
}

/* ------------------------------------------------------------------- */
/*  Collection overview block                                           */
/* ------------------------------------------------------------------- */

.iwac-vis-overview {
    min-height: 420px;
}

.iwac-vis-overview-root {
    display: flex;
    flex-direction: column;
    gap: var(--space-5, 1.25rem);
}

.iwac-vis-overview-subtitle {
    margin: 0;
    color: var(--muted, #6e7a82);
    font-size: var(--text-sm, 0.9rem);
}

/* Summary cards */

.iwac-vis-overview-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3, 0.75rem);
}

@media (min-width: 600px) {
    .iwac-vis-overview-summary { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 900px) {
    .iwac-vis-overview-summary { grid-template-columns: repeat(6, 1fr); }
}

.iwac-vis-summary-card {
    background: var(--surface-raised, #f9f7f3);
    border: 1px solid var(--border, #dcd7ce);
    border-radius: var(--radius-md, 8px);
    padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
    display: flex;
    flex-direction: column;
    gap: var(--space-1, 0.25rem);
}

.iwac-vis-summary-card__value {
    font-size: var(--text-2xl, 1.6rem);
    font-weight: 600;
    color: var(--ink, #18202a);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
}

.iwac-vis-summary-card__label {
    font-size: var(--text-sm, 0.85rem);
    color: var(--muted, #6e7a82);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Charts grid */

.iwac-vis-overview-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4, 1rem);
}

@media (min-width: 800px) {
    .iwac-vis-overview-grid {
        grid-template-columns: 1fr 1fr;
    }
    .iwac-vis-overview-grid .iwac-vis-panel--wide {
        grid-column: 1 / -1;
    }
}

.iwac-vis-overview-grid .iwac-vis-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-2, 0.5rem);
}

.iwac-vis-overview-grid .iwac-vis-panel h4 {
    margin: 0;
}

.iwac-vis-overview-grid .iwac-vis-chart {
    min-height: 280px;
}

.iwac-vis-overview-grid .iwac-vis-panel--wide .iwac-vis-chart {
    min-height: 360px;
}

/* Entity tabs */

.iwac-vis-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1, 0.25rem);
    padding-bottom: var(--space-2, 0.5rem);
    border-bottom: 1px solid var(--border-light, #ebe7df);
}

.iwac-vis-tab {
    padding: var(--space-1, 0.25rem) var(--space-3, 0.75rem);
    background: transparent;
    color: var(--muted, #6e7a82);
    border: 1px solid transparent;
    border-radius: var(--radius-md, 8px);
    font-size: var(--text-sm, 0.9rem);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}

.iwac-vis-tab:hover {
    background: var(--surface-raised, #f9f7f3);
    color: var(--ink, #18202a);
}

.iwac-vis-tab:focus-visible {
    outline: 2px solid var(--primary, #e67a14);
    outline-offset: 2px;
}

.iwac-vis-tab--active {
    background: color-mix(in srgb, var(--primary, #e67a14) 12%, var(--surface-raised, #f9f7f3));
    color: var(--ink, #18202a);
    border-color: color-mix(in srgb, var(--primary, #e67a14) 40%, var(--border, #dcd7ce));
}