/*
 * World Happiness Report Dashboard
 * UI/UX optimiert
 */

:root {
    --c-text: #1a1a1a;
    --c-text-secondary: #666666;
    --c-text-muted: #999999;
    --c-border: #e0e0e0;
    --c-bg: #f5f5f5;
    --c-card: #ffffff;
    --c-accent: #2171b5;
    --c-positive: #2ca02c;
    --c-negative: #d62728;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --s-1: 4px;
    --s-2: 8px;
    --s-3: 12px;
    --s-4: 16px;
    --s-5: 24px;
    --s-6: 32px;

    --max-width: 1400px;
    --radius: 3px;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    line-height: 1.5;
    color: var(--c-text);
    background: var(--c-bg);
}

/* Typography */
h1 {
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    color: var(--c-text-secondary);
}

label {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--c-text-muted);
    display: block;
    margin-bottom: var(--s-1);
}

/* Layout */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--s-5);
    width: 100%;
    flex: 1;
}

/* Header */
.dashboard-header {
    background: var(--c-card);
    border-bottom: 1px solid var(--c-border);
    padding: var(--s-5) var(--s-4);
}

.header-text {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--s-5);
}

.dashboard-header h1 {
    margin-bottom: var(--s-1);
}

.dashboard-header p {
    font-size: 0.8125rem;
    color: var(--c-text-secondary);
    margin-bottom: var(--s-3);
}

.header-meta {
    display: flex;
    gap: var(--s-2);
    flex-wrap: wrap;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--s-5);
}

.meta-item {
    font-size: 0.6875rem;
    color: var(--c-text-muted);
}

.meta-separator {
    color: var(--c-border);
}

/* Filter Bar */
.filter-bar {
    display: flex;
    gap: var(--s-5);
    align-items: flex-end;
    padding: var(--s-4) 0;
    margin-bottom: var(--s-4);
    border-bottom: 1px solid var(--c-border);
}

.filter-item {
    min-width: 120px;
}

.filter-item.filter-region {
    min-width: 260px;
}

.filter-item.filter-wide {
    flex: 1;
    max-width: 400px;
}

/* Dropdowns */
.dropdown-minimal .Select-control {
    background: var(--c-card) !important;
    border: 1px solid var(--c-border) !important;
    border-radius: var(--radius) !important;
    height: 34px !important;
    box-shadow: none !important;
}

.dropdown-minimal .Select-value-label {
    font-size: 0.8125rem !important;
    color: var(--c-text) !important;
    line-height: 32px !important;
}

.dropdown-minimal .Select-placeholder {
    font-size: 0.8125rem !important;
    color: var(--c-text-muted) !important;
    line-height: 32px !important;
}

.dropdown-minimal .Select-menu-outer {
    border: 1px solid var(--c-border) !important;
    border-radius: var(--radius) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
    margin-top: 2px !important;
}

.dropdown-minimal .Select-option {
    font-size: 0.8125rem !important;
    padding: var(--s-2) var(--s-3) !important;
}

.dropdown-minimal .Select-option.is-focused {
    background: var(--c-bg) !important;
}

.dropdown-minimal .Select-option.is-selected {
    background: var(--c-accent) !important;
    color: white !important;
}

/* Multi-Select Container - größere Höhe für Tags */
#country-dropdown .Select-control,
#country-dropdown .Select--multi .Select-control {
    height: auto !important;
    min-height: 34px !important;
    padding: 2px 4px !important;
}

#country-dropdown .Select-input {
    height: 24px !important;
}

/* Multi-Select Tags - Legacy react-select */
#country-dropdown .Select--multi .Select-value {
    background: rgba(255, 127, 14, 0.25) !important;
    border: 1px solid rgba(255, 127, 14, 0.5) !important;
    border-radius: 3px !important;
    color: #b35400 !important;
    font-size: 0.6875rem !important;
    font-weight: 500 !important;
    margin: 2px !important;
    padding: 0 !important;
    line-height: 20px !important;
    vertical-align: middle !important;
}

#country-dropdown .Select--multi .Select-value-icon {
    border: none !important;
    border-right: 1px solid rgba(255, 127, 14, 0.3) !important;
    color: #b35400 !important;
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    padding: 0 4px !important;
    vertical-align: middle !important;
}

#country-dropdown .Select--multi .Select-value-icon:hover {
    background: rgba(255, 127, 14, 0.4) !important;
    color: #8a4100 !important;
}

#country-dropdown .Select--multi .Select-value-label {
    padding: 0 6px !important;
    vertical-align: middle !important;
}

/* Multi-Select Tags - react-select v2+ / Dash 2.x */
#country-dropdown [class*="-multiValue"] {
    background: rgba(255, 127, 14, 0.25) !important;
    border: 1px solid rgba(255, 127, 14, 0.5) !important;
    border-radius: 3px !important;
    font-size: 0.6875rem !important;
    font-weight: 500 !important;
    margin: 2px !important;
}

#country-dropdown [class*="-multiValue"] > div:first-child {
    color: #b35400 !important;
    padding: 1px 6px !important;
}

#country-dropdown [class*="-multiValue"] > div:last-child {
    color: #b35400 !important;
    font-size: 0.75rem !important;
    font-weight: 600 !important;
    padding: 1px 4px !important;
    border-radius: 0 3px 3px 0 !important;
}

#country-dropdown [class*="-multiValue"] > div:last-child:hover {
    background: rgba(255, 127, 14, 0.4) !important;
    color: #8a4100 !important;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--s-4);
    margin-bottom: var(--s-4);
}

.kpi-card {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: var(--s-4);
}

.kpi-label {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--c-text-muted);
    margin-bottom: var(--s-2);
}

.kpi-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--c-text);
    line-height: 1;
    margin-bottom: var(--s-1);
    font-variant-numeric: tabular-nums;
}

.kpi-value-text {
    font-size: 1rem;
}

.kpi-detail {
    font-size: 0.75rem;
    color: var(--c-text-secondary);
}

.kpi-change {
    font-weight: 500;
}

.kpi-change.positive {
    color: var(--c-positive);
}

.kpi-change.negative {
    color: var(--c-negative);
}

/* Featured KPI Card (Spitzenreiter) */
.kpi-card-featured {
    background: var(--c-card);
    border-color: var(--c-border);
    position: relative;
}

.kpi-card-featured .kpi-label {
    display: flex;
    align-items: center;
    gap: var(--s-1);
}

.kpi-icon {
    font-size: 0.875rem;
}

.kpi-label-text {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--c-text-muted);
}

.score-highlight {
    font-weight: 600;
    color: var(--c-accent);
}

.streak-info {
    font-size: 0.6875rem;
    color: var(--c-text-muted);
    font-weight: 400;
}

.rank-change {
    font-size: 0.6875rem;
    font-weight: 500;
}

.rank-change.positive {
    color: var(--c-positive);
}

.rank-change.neutral {
    color: var(--c-text-muted);
}

.kpi-bottom {
    margin-top: var(--s-3);
    padding-top: var(--s-3);
    border-top: 1px solid rgba(0,0,0,0.08);
    font-size: 0.6875rem;
}

.bottom-label {
    color: var(--c-text-muted);
}

.bottom-country {
    font-weight: 500;
    color: var(--c-negative);
}

.bottom-score {
    color: var(--c-text-muted);
}

.kpi-region {
    font-size: 0.6875rem;
    color: var(--c-text-muted);
    margin-bottom: var(--s-1);
}

.top-region {
    font-style: italic;
}

.avg-distance {
    font-size: 0.6875rem;
    color: var(--c-accent);
    font-weight: 500;
}

.gap-info {
    font-size: 0.6875rem;
    color: var(--c-text-muted);
    margin-top: var(--s-1);
}

/* Stats Toggle */
.kpi-label-with-toggle {
    display: flex;
    align-items: center;
    gap: var(--s-2);
}

.stat-toggle {
    display: flex;
    gap: 2px;
    background: var(--c-bg);
    border-radius: 3px;
    padding: 2px;
}

.toggle-btn {
    border: none;
    background: transparent;
    padding: 3px 8px;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--c-text-muted);
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.15s;
    font-family: var(--font);
}

.toggle-btn:hover {
    color: var(--c-text);
}

.toggle-btn.toggle-active {
    background: var(--c-card);
    color: var(--c-accent);
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* KPI Stats Card */
.kpi-card-stats {
    display: flex;
    flex-direction: column;
}

.kpi-minmax {
    display: flex;
    justify-content: space-between;
    margin-top: var(--s-1);
}

.minmax {
    font-size: 0.625rem;
    color: var(--c-text-muted);
    font-variant-numeric: tabular-nums;
}

.minmax-sep {
    color: var(--c-border);
}

/* Distribution Indicator */
.distribution-container {
    margin-top: var(--s-3);
}

.distribution-track {
    height: 4px;
    background: var(--c-bg);
    border-radius: 2px;
    overflow: hidden;
}

.distribution-bar {
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s;
}

.kpi-iqr {
    margin-top: var(--s-1);
}

.iqr-value {
    font-size: 0.6875rem;
    color: var(--c-text-secondary);
    font-weight: 500;
}

.kpi-quartiles {
    display: flex;
    justify-content: space-between;
    margin-top: var(--s-2);
}

.quartile {
    font-size: 0.625rem;
    color: var(--c-text-muted);
    font-variant-numeric: tabular-nums;
}

/* Boxplot Context */
.boxplot-context {
    font-size: 0.625rem;
    color: var(--c-text-muted);
    font-weight: 400;
}

/* Distribution Metrics */
.distribution-metrics {
    margin-top: var(--s-2);
}

.gini-info,
.ratio-info {
    display: flex;
    align-items: baseline;
    margin-bottom: var(--s-1);
}

.metric-label {
    font-size: 0.6875rem;
    color: var(--c-text-muted);
}

.metric-value {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--c-accent);
    font-variant-numeric: tabular-nums;
}

.metric-hint {
    font-size: 0.5625rem;
    color: var(--c-text-muted);
    margin-left: var(--s-1);
}

/* Sample Info */
.kpi-sample-info {
    margin-top: var(--s-3);
}

.sample-info {
    font-size: 0.6875rem;
    color: var(--c-text-secondary);
}

.kpi-sample-range {
    margin-top: var(--s-1);
}

.sample-range {
    font-size: 0.625rem;
    color: var(--c-text-muted);
}

/* Coverage & Method Info */
.coverage-pct {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--c-positive);
}

.method-info {
    margin-top: var(--s-3);
    padding-top: var(--s-2);
    border-top: 1px solid var(--c-border);
}

.method-header {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--c-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: var(--s-1);
}

.method-list {
    margin: 0;
    padding-left: var(--s-3);
    font-size: 0.625rem;
    color: var(--c-text-secondary);
    line-height: 1.5;
}

.method-list li {
    margin-bottom: 2px;
}

.method-list li::marker {
    color: var(--c-accent);
}

/* Main Grid */
.main-grid {
    display: flex;
    flex-direction: column;
    gap: var(--s-4);
}

.grid-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-4);
}

/* Cards */
.card {
    background: var(--c-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: var(--s-4);
    display: flex;
    flex-direction: column;
    position: relative;
    /* Wichtig für Grid-Layout-Stabilität nach Maximize/Minimize */
    min-width: 0;
    min-height: 0;
}

/* Maximize Button */
.card-maximize-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 24px;
    height: 24px;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s, background 0.2s;
    z-index: 10;
}

.card:hover .card-maximize-btn {
    opacity: 1;
}

.card-maximize-btn:hover {
    background: var(--c-card);
    border-color: var(--c-accent);
}

.card-maximize-btn svg {
    width: 14px;
    height: 14px;
    stroke: var(--c-text-secondary);
    stroke-width: 2;
    fill: none;
}

.card-maximize-btn:hover svg {
    stroke: var(--c-accent);
}

.card-maximize-btn .icon-expand,
.card-maximize-btn .icon-shrink {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-text-secondary);
}

.card-maximize-btn:hover .icon-expand,
.card-maximize-btn:hover .icon-shrink {
    color: var(--c-accent);
}

/* Maximized Card Overlay */
.card-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    animation: fadeIn 0.3s ease-out;
}

.card-overlay.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Maximized Card State */
.card.maximized {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: 92vw !important;
    max-width: 1400px !important;
    height: 88vh !important;
    max-height: 950px !important;
    z-index: 1000 !important;
    animation: expandCard 0.3s ease-out;
    overflow: hidden !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35) !important;
    border-radius: 8px !important;
    padding: var(--s-6) !important;
    display: flex !important;
    flex-direction: column !important;
}

.card.maximized .card-maximize-btn {
    opacity: 1;
    top: 20px;
    right: 20px;
    width: 32px;
    height: 32px;
    background: var(--c-bg);
    border-radius: 6px;
}

.card.maximized .card-maximize-btn:hover {
    background: var(--c-negative);
    border-color: var(--c-negative);
}

.card.maximized .card-maximize-btn:hover .icon-shrink {
    color: white;
}

/* Maximized Header */
.card.maximized .chart-header {
    margin-bottom: var(--s-5);
    padding-bottom: var(--s-4);
    border-bottom: 1px solid var(--c-border);
}

.card.maximized .chart-header h3 {
    font-size: 1.25rem;
    text-transform: none;
    letter-spacing: -0.01em;
    color: var(--c-text);
}

.card.maximized .chart-subtitle {
    font-size: 0.875rem;
    margin-top: var(--s-1);
}

/* Maximized Chart Container */
.card.maximized .js-plotly-plot {
    flex: 1 !important;
    height: auto !important;
    min-height: 300px !important;
}

/* Maximized Footer */
.card.maximized .chart-footer {
    margin-top: var(--s-4);
    padding-top: var(--s-4);
    border-top: 1px solid var(--c-border);
}

.card.maximized .chart-footnote {
    font-size: 0.8125rem;
}

/* Erklärungstext im maximierten Zustand */
.card-explanation {
    display: none;
}

.card.maximized .card-explanation {
    display: block;
    background: var(--c-bg);
    border-radius: 6px;
    padding: var(--s-4);
    margin-top: var(--s-4);
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--c-text-secondary);
}

.card.maximized .card-explanation strong {
    color: var(--c-text);
    font-weight: 600;
}

.card.maximized .card-explanation ul {
    margin: var(--s-2) 0 0 var(--s-4);
    padding: 0;
}

.card.maximized .card-explanation li {
    margin-bottom: var(--s-1);
}

.card.maximized .card-explanation .explanation-title {
    font-weight: 600;
    color: var(--c-accent);
    margin-bottom: var(--s-2);
    display: flex;
    align-items: center;
    gap: var(--s-2);
}

.card.maximized .card-explanation .explanation-title::before {
    content: "ℹ";
    font-size: 1rem;
}

/* Explizite Regeln für nicht-maximierte Cards (Reset nach Minimize) */
.card:not(.maximized) {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    width: auto !important;
    max-width: none !important;
    height: auto !important;
    max-height: none !important;
    z-index: auto !important;
    overflow: visible !important;
    box-shadow: none !important;
}

@keyframes expandCard {
    from {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Maximized Chart Height */
.card.maximized .js-plotly-plot {
    height: calc(85vh - 140px);
    min-height: 400px;
}

.chart-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: var(--s-3);
    flex-shrink: 0;
}

.chart-subtitle {
    font-size: 0.6875rem;
    color: var(--c-text-muted);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

.chart-footer {
    margin-top: var(--s-2);
    flex-shrink: 0;
}

.chart-footnote {
    font-size: 0.6875rem;
    color: var(--c-text-muted);
}

.chart-footnote.warning {
    color: var(--c-negative);
}

.stat-detail {
    color: var(--c-text-muted);
}

/* Ranking */
.ranking-container {
    flex: 1;
    overflow-y: auto;
    max-height: 340px;
}

.ranking-container::-webkit-scrollbar {
    width: 4px;
}

.ranking-container::-webkit-scrollbar-thumb {
    background: var(--c-border);
    border-radius: 2px;
}

.rank-row {
    display: grid;
    grid-template-columns: 28px 1fr 48px;
    align-items: center;
    gap: var(--s-2);
    padding: var(--s-2) 0;
    border-bottom: 1px solid var(--c-bg);
}

.rank-row:last-child {
    border-bottom: none;
}

.rank-num {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--c-text-muted);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.rank-info {
    min-width: 0;
}

.rank-text {
    display: flex;
    align-items: baseline;
    gap: var(--s-2);
    margin-bottom: 4px;
}

.rank-country {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rank-region {
    font-size: 0.625rem;
    color: var(--c-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rank-bar-bg {
    height: 3px;
    background: var(--c-bg);
    border-radius: 2px;
    overflow: hidden;
}

.rank-bar {
    height: 100%;
    background: var(--c-accent);
    border-radius: 2px;
}

.rank-score {
    font-size: 0.8125rem;
    font-weight: 600;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.rank-score.tier-high {
    color: var(--c-accent);
}

.rank-score.tier-mid {
    color: var(--c-text-secondary);
}

.rank-score.tier-low {
    color: var(--c-text-muted);
}

/* Footer */
.footer {
    background: var(--c-card);
    border-top: 1px solid var(--c-border);
    padding: var(--s-4) var(--s-5);
    margin-top: var(--s-5);
    font-size: 0.75rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
}

.footer a {
    color: var(--c-accent);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer-methodology {
    margin-top: var(--s-2);
    color: var(--c-text-muted);
}

/* Plotly */
.js-plotly-plot .plotly .modebar {
    display: none !important;
}

/* States */
._dash-loading {
    opacity: 0.5;
}

.no-data {
    padding: var(--s-5);
    text-align: center;
    color: var(--c-text-muted);
}

/* Responsive */
@media (max-width: 1100px) {
    .grid-row-2 {
        grid-template-columns: 1fr;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .content {
        padding: 0 var(--s-4);
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-item.filter-wide {
        max-width: none;
    }

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

    h1 {
        font-size: 1.25rem;
    }
}