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

:root {
    --bg: #0d1117;
    --surface: #161b22;
    --surface2: #1c2230;
    --border: #2a3040;
    --amber: #e6a817;
    --amber-dim: #b88410;
    --steel: #8b949e;
    --text: #c9d1d9;
    --bright: #f0f6fc;
    --red: #da3633;
    --blue: #58a6ff;
    --green: #3fb950;
    --purple: #bc8cff;
    --teal: #39d353;
    --font-display: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html {
    font-size: 16px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    min-height: 100vh;
    line-height: 1.5;
}

/* ── HEADER ── */
.hud-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.hud-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--bright);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hud-logo::before {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    background: var(--amber);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.hud-logo span {
    color: var(--amber);
}

.version-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.version-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--steel);
    text-transform: uppercase;
}

#versionSelect {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    outline: none;
    transition: border-color 0.15s;
}

#versionSelect:focus {
    border-color: var(--amber);
}

#versionSelect:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 6px var(--green);
    flex-shrink: 0;
}

.status-dot.loading {
    background: var(--amber);
    box-shadow: 0 0 6px var(--amber);
    animation: pulse 1s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

/* ── MAIN LAYOUT ── */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 28px 32px 60px;
}

/* ── SECTION LABELS ── */
.section-label {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ── STAT CARDS ── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 12px;
    margin-bottom: 36px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--amber);
    padding: 16px 18px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s, background 0.2s;
}

.stat-card:hover {
    background: var(--surface2);
    border-left-color: var(--amber);
}

.stat-card.accent-red {
    border-left-color: var(--red);
}

.stat-card.accent-blue {
    border-left-color: var(--blue);
}

.stat-card.accent-purple {
    border-left-color: var(--purple);
}

.stat-card.accent-teal {
    border-left-color: var(--teal);
}

.stat-card.accent-steel {
    border-left-color: var(--steel);
}

.stat-card-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: 8px;
}

.stat-card-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--bright);
    line-height: 1;
    letter-spacing: 0.02em;
}

.stat-card-sub {
    font-size: 0.7rem;
    color: var(--steel);
    margin-top: 4px;
}

/* ── CHARTS ── */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 36px;
}

.charts-grid.triple {
    grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 900px) {

    .charts-grid,
    .charts-grid.triple {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 20px;
}

.chart-card-title {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: 16px;
}

.chart-wrap {
    position: relative;
    height: 240px;
}

.chart-wrap.tall {
    height: 300px;
}

/* ── COUNTRY ACCORDION ── */
.country-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.country-row {
    background: var(--surface);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color 0.15s;
}

.country-row:hover {
    border-color: #3a4555;
}

.country-row.open {
    border-color: var(--amber);
}

.country-toggle {
    width: 100%;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
}

.country-flag-placeholder {
    width: 32px;
    height: 22px;
    background: var(--border);
    border-radius: 2px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    font-family: var(--font-mono);
    color: var(--steel);
}

.country-name-text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bright);
    flex: 1;
}

.country-summary {
    display: flex;
    gap: 20px;
    align-items: center;
}

.country-pill {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--steel);
    white-space: nowrap;
}

.country-pill strong {
    color: var(--text);
    font-weight: 500;
}

.chevron {
    color: var(--steel);
    font-size: 0.7rem;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.country-row.open .chevron {
    transform: rotate(180deg);
    color: var(--amber);
}

.country-detail {
    display: none;
    padding: 0 18px 18px;
    border-top: 1px solid var(--border);
}

.country-row.open .country-detail {
    display: block;
}

.detail-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
    padding-top: 14px;
    margin-bottom: 16px;
}

.detail-stat {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 10px 12px;
}

.detail-stat-label {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--steel);
    margin-bottom: 4px;
}

.detail-stat-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bright);
}

.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 6px;
}

.type-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
}

.type-name-text {
    font-size: 0.72rem;
    color: var(--steel);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.type-count-badge {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--amber);
}

/* ── ERROR STATE ── */
.error-banner {
    background: rgba(218, 54, 51, 0.1);
    border: 1px solid var(--red);
    color: var(--red);
    padding: 14px 18px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    margin-bottom: 20px;
    display: none;
}

.error-banner.visible {
    display: block;
}

/* ── LOADING SKELETON ── */
.skeleton {
    background: linear-gradient(90deg, var(--surface) 25%, var(--surface2) 50%, var(--surface) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite;
    border-radius: 2px;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ── COUNTER ANIMATION ── */
.counting {
    color: var(--amber) !important;
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
    .main {
        padding: 16px;
    }

    .hud-header {
        padding: 0 16px;
    }

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

    .country-summary {
        display: none;
    }
}