/* ============================================================================
   VizKids — unified theme
   Palette: deep navy surface, amber primary, teal/pink/cyan accents.
   ============================================================================ */

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

:root {
    --bg:          #0b1020;
    --surface:     #111836;
    --surface-2:   rgba(17, 24, 54, 0.78);
    --border:      rgba(120, 160, 230, 0.18);
    --border-soft: rgba(120, 160, 230, 0.10);
    --ink:         #f0f3fa;
    --muted:       #95a3c4;

    --accent:      #ffb703;   /* primary — amber */
    --accent-2:    #06d6a0;   /* secondary — teal */
    --accent-3:    #ef476f;   /* tertiary — pink */
    --accent-4:    #4ea8de;   /* quaternary — cyan */
    --accent-5:    #8338ec;   /* violet */
    --accent-6:    #fb8500;   /* orange */
}

html, body { height: 100%; }

body {
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ============================================================================
   Header
   ============================================================================ */
header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
}
header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    background: linear-gradient(90deg, var(--accent), var(--accent-3));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.subtitle { color: var(--muted); font-size: 0.9rem; margin-top: 0.2rem; }

main {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 2rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.9rem;
}
.section-head h2 { font-size: 1.15rem; font-weight: 600; color: var(--ink); }
.section-sub { color: var(--muted); font-size: 0.85rem; }

.controls { display: flex; gap: 1rem; align-items: center; font-size: 0.85rem; color: var(--muted); }
.controls select {
    background: var(--surface);
    color: var(--ink);
    border: 1px solid var(--border);
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    font: inherit;
    cursor: pointer;
}
.controls select:hover { border-color: var(--accent); }
.toggle { display: inline-flex; align-items: center; gap: 0.4rem; cursor: pointer; user-select: none; }
.toggle input { accent-color: var(--accent); }

/* ============================================================================
   MAPS — shared styling, two visual flavors via .map1 / .map2
   ============================================================================ */
.map-container {
    position: relative;
    background: radial-gradient(ellipse at top, var(--surface) 0%, var(--bg) 70%);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}
.map-container svg { width: 100%; height: 100%; display: block; }

.country {
    stroke: var(--bg);
    stroke-width: 0.4;
    cursor: pointer;
    transition: filter 120ms ease, stroke-width 120ms ease;
}
.country.no-data { fill: #1b2447; }
.country:hover { filter: brightness(1.35); stroke: var(--accent); stroke-width: 1; }
.country.selected { stroke: var(--accent); stroke-width: 1.5; filter: brightness(1.35); }

.country-dot {
    cursor: pointer;
    stroke: rgba(255,255,255,0.7);
    stroke-width: 0.6;
}
.country-dot.no-data { fill: #1b2447; }
.country-dot:hover { stroke: var(--accent); stroke-width: 1.5; }
.country-dot.selected { stroke: var(--accent); stroke-width: 2; }

.graticule { fill: none; stroke: rgba(120,160,230,0.08); stroke-width: 0.4; }

.magnifier-border {
    fill: none;
    stroke: var(--accent);
    stroke-width: 2;
    filter: drop-shadow(0 0 6px rgba(255,183,3,0.5));
}

/* ----- Map 1 — classic layout (sidebar panel) ----- */
.map1-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1rem;
    min-height: 640px;
}
.map1 .country:hover,
.map1 .country.selected { stroke: var(--accent-4); }
.map1 .country-dot:hover,
.map1 .country-dot.selected { stroke: var(--accent-4); }
.map1 .magnifier-border {
    stroke: var(--accent-4);
    filter: drop-shadow(0 0 4px rgba(78,168,222,0.5));
}
.map1 .panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.1rem 1.2rem;
    overflow-y: auto;
}
.map1 .panel h2 {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
    color: var(--ink);
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
}
.map1 .panel h2 small { color: var(--muted); font-size: 0.75rem; font-weight: 400; letter-spacing: 0.08em; }
.map1 .panel .stat-row {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-soft);
    font-size: 0.85rem;
}
.map1 .panel .stat-row .label { color: var(--muted); }
.map1 .panel .words { margin-top: 0.9rem; }
.map1 .panel .word {
    display: inline-block;
    background: rgba(78,168,222,0.12);
    border: 1px solid rgba(78,168,222,0.25);
    padding: 0.18rem 0.5rem;
    margin: 0.15rem 0.15rem 0.15rem 0;
    border-radius: 4px;
    font-size: 0.78rem;
    color: var(--ink);
}
.map1 .panel .word small { color: var(--muted); margin-left: 0.25rem; }

/* ----- Map 2 — fullscreen layout (floating panel + legend) ----- */
.map2-container { height: 75vh; min-height: 600px; }

.map2 .floating-panel {
    position: absolute;
    left: 1.25rem;
    bottom: 1.25rem;
    width: 340px;
    max-height: calc(100% - 2.5rem);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.1rem 1.2rem;
    backdrop-filter: blur(12px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.55);
    overflow-y: auto;
    color: var(--ink);
    animation: slideUp 220ms ease-out;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.map2 .panel-close {
    position: absolute;
    top: 0.5rem;
    right: 0.6rem;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 1.4rem;
    cursor: pointer;
    line-height: 1;
    padding: 0.2rem 0.45rem;
    border-radius: 4px;
}
.map2 .panel-close:hover { color: var(--accent); background: rgba(255,255,255,0.05); }

.map2 .floating-panel h2 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    color: var(--ink);
}
.map2 .floating-panel h2 small { color: var(--muted); font-size: 0.75rem; font-weight: 400; letter-spacing: 0.1em; }

.map2 .stat-row {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-soft);
    font-size: 0.85rem;
}
.map2 .stat-row:last-of-type { border-bottom: none; }
.map2 .stat-row .label { color: var(--muted); }
.map2 .stat-row .value { color: var(--ink); font-weight: 500; }

.map2 .words-section { margin-top: 0.9rem; }
.map2 .words-title { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.map2 .word {
    display: inline-block;
    background: linear-gradient(135deg, rgba(255,183,3,0.15), rgba(239,71,111,0.15));
    border: 1px solid rgba(255,183,3,0.25);
    padding: 0.2rem 0.55rem;
    margin: 0.15rem 0.15rem 0.15rem 0;
    border-radius: 4px;
    font-size: 0.78rem;
    color: var(--ink);
}
.map2 .word small { color: var(--muted); margin-left: 0.3rem; }

.map2 .legend {
    position: absolute;
    right: 1.25rem;
    bottom: 1.25rem;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.7rem 0.9rem;
    backdrop-filter: blur(10px);
    font-size: 0.75rem;
    color: var(--muted);
    min-width: 200px;
}
.map2 .legend-title { color: var(--ink); font-weight: 600; margin-bottom: 0.4rem; font-size: 0.8rem; }
.map2 .legend-bar { height: 10px; border-radius: 3px; margin-bottom: 0.25rem; }
.map2 .legend-ticks { display: flex; justify-content: space-between; font-variant-numeric: tabular-nums; }

/* Shared map tooltip */
.tooltip {
    position: absolute;
    pointer-events: none;
    background: var(--surface-2);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    padding: 0.55rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    transform: translate(14px, 14px);
    min-width: 170px;
    color: var(--ink);
    z-index: 5;
}
.tooltip .tt-name { font-weight: 600; margin-bottom: 0.3rem; }
.tooltip .tt-stat {
    color: var(--muted);
    font-size: 0.78rem;
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
}
.tooltip .tt-stat strong { color: var(--accent); font-weight: 600; }

/* ============================================================================
   CHARTS
   ============================================================================ */
.charts-section .section-head { flex-direction: column; align-items: flex-start; gap: 0.25rem; }

.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}
@media (max-width: 900px) {
    .charts-grid { grid-template-columns: 1fr; }
}

.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.1rem 1.2rem 1.2rem;
}
.chart-card-wide { grid-column: 1 / -1; }

.chart-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0.2rem;
}
.chart-hint {
    color: var(--muted);
    font-size: 0.78rem;
    margin-bottom: 0.75rem;
}
.chart { width: 100%; }

.chart-tooltip {
    position: absolute;
    pointer-events: none;
    background: var(--surface-2);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    line-height: 1.45;
    color: var(--ink);
    z-index: 1000;
    min-width: 130px;
}


/* ============================================================================
   Map 1 — layout tweak (map + timeline stacked, panel alongside)
   ============================================================================ */
.map1-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1rem;
    /* remove the fixed min-height so the column drives height */
}
.map1 .map-col {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-height: 560px;
}
.map1 .map-col .map-container {
    flex: 1;
    min-height: 480px;
}
.map-col .map-container {
    border-radius: 10px 10px 0 0;
}

/* ============================================================================
   Timeline bar
   ============================================================================ */
.timeline-bar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 10px 10px;
    padding: 0.75rem 1.25rem 0.9rem;
}

.tl-wrap { position: relative; user-select: none; }

.tl-ticks {
    position: relative;
    height: 18px;
    margin-bottom: 4px;
}
.tl-tick {
    position: absolute;
    transform: translateX(-50%);
    font-size: 0.68rem;
    color: var(--muted);
    white-space: nowrap;
    pointer-events: none;
}

.tl-track-wrap {
    position: relative;
    height: 6px;
    background: rgba(120, 160, 230, 0.15);
    border-radius: 3px;
    margin-bottom: 6px;
}
.tl-fill {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    background: linear-gradient(90deg, var(--accent-4), var(--accent));
    border-radius: 3px;
    pointer-events: none;
    transition: width 80ms linear;
}

.tl-range {
    position: absolute;
    left: 0; top: 50%;
    width: 100%;
    height: 100%;
    transform: translateY(-50%);
    opacity: 0;         
    cursor: pointer;
    margin: 0;
    -webkit-appearance: none;
    appearance: none;
}
.tl-range::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; }
.tl-range::-moz-range-thumb { width: 18px; height: 18px; opacity: 0; border: none; }

.tl-track-wrap::after {
    content: '';
    position: absolute;
    top: 50%;
    left: var(--tl-pct, 0%);
    transform: translate(-50%, -50%);
    width: 14px; height: 14px;
    background: var(--accent);
    border: 2px solid var(--bg);
    border-radius: 50%;
    pointer-events: none;
    box-shadow: 0 0 0 2px rgba(255, 183, 3, 0.35);
    transition: left 80ms linear;
}

.tl-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
}
.tl-edge { color: var(--muted); }
.tl-current {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.04em;
}

.speech-legend {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--muted);
    margin-top: 0.5rem;
}
.speech-legend-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: #2563eb;
    flex-shrink: 0;
}


.panel-year-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent);
    background: rgba(255, 183, 3, 0.12);
    border: 1px solid rgba(255, 183, 3, 0.3);
    border-radius: 4px;
    padding: 0.15rem 0.6rem;
    margin-bottom: 0.9rem;
    letter-spacing: 0.06em;
}

.panel-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-bottom: 1rem;
}
.panel-stat {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    padding: 0.55rem 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.panel-stat-val {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-4);
    font-variant-numeric: tabular-nums;
}
.panel-stat-lbl {
    font-size: 0.7rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.panel-no-speech {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    padding: 2rem 1rem;
    color: var(--muted);
    text-align: center;
    font-size: 0.85rem;
}
.panel-no-speech-icon {
    font-size: 2rem;
    line-height: 1;
    color: var(--border);
}

.panel-loading {
    color: var(--muted);
    font-size: 0.85rem;
    padding: 1rem 0;
}
.speech-box {
    background: rgba(0, 0, 0, 0.25);
    padding: 1.2rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    max-height: 300px;
    overflow-y: auto;
    font-size: 0.85rem;
    line-height: 1.6;
    border: 1px solid var(--border-soft);
    white-space: pre-wrap;
    color: #e0e6ed;
}