/**
 * Survey CSS
 * Scope-Spezialisierung: Umfragedaten
 * Standard: DDI Codebook
 */

.survey-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-lg);
    min-height: calc(100vh - 200px);
    padding: var(--space-lg);
}

.survey-header .specialization-badge {
    color: var(--color-archetype-scope);
    background: rgba(184, 84, 80, 0.1);
}

/* Sidebar: Filter */
.survey-filters {
    background: var(--color-paper);
    padding: var(--space-md);
}

.survey-meta dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-xs) var(--space-sm);
    font-size: 0.875rem;
}

/* Demografische Filter */
.demographic-filters {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.demographic-filters .filter-group {
    padding: var(--space-sm);
    background: var(--color-paper-dark);
    border-radius: 4px;
}

.demographic-filters label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-ink-light);
    margin-bottom: var(--space-xs);
}

.demographic-filters select,
.demographic-filters input[type="checkbox"] + span {
    font-size: 0.875rem;
}

/* Skalen-Auswahl */
.scale-selector {
    margin-top: var(--space-lg);
}

.scale-selector select {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid var(--color-paper-dark);
    border-radius: 4px;
}

.scale-info {
    margin-top: var(--space-sm);
    font-size: 0.875rem;
}

.cronbach {
    font-family: var(--font-mono);
    color: var(--color-archetype-scope);
}

/* Hauptbereich */
.survey-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* Skalen-Übersicht: KPI-Cards */
.scales-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.scale-card {
    background: var(--color-paper);
    padding: var(--space-lg);
    border-radius: 4px;
    border-left: 4px solid var(--color-archetype-scope);
}

.scale-card .scale-name {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-ink-light);
    margin-bottom: var(--space-sm);
}

.scale-card .scale-value {
    font-size: 2rem;
    font-weight: 600;
}

.scale-card .scale-alpha {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-ink-light);
}

/* Likert-Charts: Diverging Stacked Bar */
.likert-charts {
    background: var(--color-paper);
    padding: var(--space-lg);
    border-radius: 4px;
}

.likert-item {
    display: grid;
    grid-template-columns: 200px 1fr 60px;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.likert-item .item-label {
    font-size: 0.875rem;
    text-align: right;
}

.likert-bar {
    display: flex;
    height: 24px;
    background: var(--color-paper-dark);
    border-radius: 4px;
    overflow: hidden;
}

.likert-bar .segment {
    height: 100%;
    transition: width 0.3s;
}

/* Likert-Farben (divergierend) */
.likert-bar .segment-1 { background: #B85450; }
.likert-bar .segment-2 { background: #E8A9A7; }
.likert-bar .segment-3 { background: #E0E0E0; }
.likert-bar .segment-4 { background: #A8D5A2; }
.likert-bar .segment-5 { background: #4A7C59; }

.likert-item .mean-value {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-align: right;
}

/* Gruppenvergleich */
.group-comparison {
    background: var(--color-paper);
    padding: var(--space-lg);
    border-radius: 4px;
}

.comparison-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.comparison-chart {
    min-height: 300px;
}

.significance-legend {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-md);
    font-size: 0.75rem;
}

.sig-marker {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.sig-marker.sig-yes { color: var(--color-archetype-scope); }
.sig-marker.sig-high { color: var(--color-terracotta); }

/* Korrelations-Heatmap */
.correlation-section {
    background: var(--color-paper);
    padding: var(--space-lg);
    border-radius: 4px;
}

.correlation-heatmap {
    display: grid;
    gap: 2px;
}

.correlation-cell {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    border-radius: 2px;
}

/* Korrelations-Farbskala */
.corr-neg-strong { background: #B85450; color: white; }
.corr-neg-weak { background: #E8A9A7; }
.corr-neutral { background: #E0E0E0; }
.corr-pos-weak { background: #A8D5A2; }
.corr-pos-strong { background: #4A7C59; color: white; }

/* Fragebogenstruktur */
.questionnaire-structure {
    background: var(--color-paper);
    padding: var(--space-lg);
    border-radius: 4px;
}

.items-accordion {
    border: 1px solid var(--color-paper-dark);
    border-radius: 4px;
}

.accordion-header {
    padding: var(--space-md);
    background: var(--color-paper-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: "▼";
    font-size: 0.75rem;
    transition: transform 0.2s;
}

.accordion-header.open::after {
    transform: rotate(180deg);
}

.accordion-content {
    padding: var(--space-md);
    display: none;
}

.accordion-content.open {
    display: block;
}

.item-row {
    display: grid;
    grid-template-columns: 60px 1fr 100px;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-paper-dark);
    font-size: 0.875rem;
}

.item-row .item-id {
    font-family: var(--font-mono);
}

.item-row .item-type {
    color: var(--color-ink-light);
}