:root {
    --orange: #FF6B00;
    --orange-dark: #E55D00;
    --orange-light: #FFF3EB;
    --green: #00A651;
    --green-dark: #008F45;
    --green-light: #E8F8EF;
    --ink: #111827;
    --muted: #6B7280;
    --line: #E5E7EB;
    --bg: #FFFFFF;
    --bg-soft: #F8FAFC;
    --header-h: 64px;
    --radius: 16px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
}
*, *::before, *::after { box-sizing: border-box; }
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
    min-height: 100dvh;
    padding-left: var(--safe-left);
    padding-right: var(--safe-right);
    -webkit-tap-highlight-color: rgba(255, 107, 0, .15);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, select, input { font: inherit; max-width: 100%; }
.container {
    width: min(1120px, calc(100% - 24px));
    margin: 0 auto;
}
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

.site-header {
    position: sticky; top: 0; z-index: 40;
    padding-top: var(--safe-top);
    min-height: calc(var(--header-h) + var(--safe-top));
    background: #fff;
    border-bottom: 1px solid var(--line);
}
.header-inner {
    min-height: var(--header-h);
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 8px 0;
}
.logo {
    display: inline-flex; align-items: center; gap: 8px; font-weight: 800;
    min-width: 0; flex: 0 1 auto;
}
.logo-mark {
    width: 26px; height: 26px; border-radius: 50%; flex: 0 0 auto;
    background: radial-gradient(circle at center, #fff 18%, var(--green) 19% 42%, var(--orange) 43%);
}
.logo-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: .95rem; }
.logo strong { color: var(--orange); }
.logo em { font-style: normal; color: var(--muted); font-weight: 700; margin-left: 3px; }
.header-actions {
    display: flex; align-items: center; gap: 8px; flex-wrap: nowrap; justify-content: flex-end;
    min-width: 0;
}
.region-select select {
    appearance: none; -webkit-appearance: none;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 10px 12px;
    font-size: 16px; /* iOS zoom onculer */
    background: var(--bg-soft);
    min-width: 0;
    max-width: 42vw;
    min-height: 44px;
}
.lang-switch { display: inline-flex; gap: 2px; flex-shrink: 0; }
.lang-switch a {
    min-width: 36px; min-height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 8px; font-size: .75rem; font-weight: 700; color: var(--muted);
}
.lang-switch a.is-active, .lang-switch a:hover { color: var(--orange); background: var(--orange-light); }
.btn-main, .btn-primary {
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--green); color: #fff !important; font-weight: 700;
    border-radius: 999px; padding: 10px 14px; font-size: .875rem;
    min-height: 44px;
}
.btn-main:hover, .btn-primary:hover { background: var(--green-dark); }

.section { padding: 20px 0 calc(48px + var(--safe-bottom)); }
.page-hero { max-width: 760px; margin-bottom: 20px; }
.page-hero.tight { margin-bottom: 16px; }
.page-hero h1 {
    margin: 0 0 10px;
    font-size: clamp(1.45rem, 5.5vw, 2.4rem);
    letter-spacing: -.03em;
    line-height: 1.15;
    word-break: break-word;
}
.page-hero p { margin: 0 0 8px; color: var(--muted); font-size: .95rem; }
.badge {
    display: inline-block; margin-bottom: 10px;
    background: var(--green-light); color: var(--green-dark);
    font-size: .7rem; font-weight: 800; letter-spacing: .04em;
    padding: 6px 10px; border-radius: 999px; text-transform: uppercase;
}
.range { color: var(--orange) !important; font-weight: 700; }

.chart-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.chart-card {
    min-height: 200px;
    border-radius: var(--radius);
    padding: 18px;
    display: flex; flex-direction: column; justify-content: space-between; gap: 16px;
    -webkit-transform: translateZ(0);
}
.chart-card h2 {
    margin: 0; font-size: clamp(1.15rem, 4vw, 1.75rem); letter-spacing: -.02em; line-height: 1.2;
}
.chart-card p { margin: 6px 0 0; opacity: .85; font-weight: 600; }
.chart-card-top { display: flex; align-items: center; gap: 12px; min-width: 0; }
.chart-card-top > div { min-width: 0; }
.chart-card-top strong, .chart-card-top span {
    display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chart-card .cover, .chart-row .cover {
    width: 56px; height: 56px; border-radius: 10px; overflow: hidden;
    background: rgba(255,255,255,.2); flex: 0 0 auto;
    display: grid; place-items: center; font-size: 1.2rem;
}
.chart-row .cover { width: 44px; height: 44px; background: var(--bg-soft); }
.chart-card .cover img, .chart-row .cover img { width: 100%; height: 100%; object-fit: cover; }
.pill {
    display: inline-block; margin-bottom: 4px;
    background: rgba(0,0,0,.35); color: #fff;
    font-size: .65rem; font-weight: 800; padding: 4px 8px; border-radius: 6px;
}
.tone-orange { background: linear-gradient(145deg, #FF6B00, #FF8A3D); color: #fff; }
.tone-green { background: linear-gradient(145deg, #00A651, #22C55E); color: #fff; }
.tone-light {
    background: var(--bg-soft); color: var(--ink); border: 1px solid var(--line);
}
.tone-light .pill { background: var(--orange); }

.seo-block {
    margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); max-width: 760px;
}
.seo-block h2 { margin: 0 0 12px; font-size: 1.15rem; }
.seo-block p { color: var(--muted); margin: 0 0 10px; font-size: .95rem; }

.breadcrumb {
    display: flex; flex-wrap: wrap; gap: 6px 8px; color: var(--muted);
    font-size: .85rem; margin-bottom: 14px; line-height: 1.4;
}
.breadcrumb a { min-height: 32px; display: inline-flex; align-items: center; }
.breadcrumb a:hover { color: var(--orange); }
.chart-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.pills {
    display: inline-flex; gap: 4px; background: var(--bg-soft);
    padding: 4px; border-radius: 999px; max-width: 100%; overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.pills a {
    padding: 10px 12px; border-radius: 999px; font-size: .85rem; font-weight: 700;
    color: var(--muted); white-space: nowrap; min-height: 40px;
    display: inline-flex; align-items: center;
}
.pills a.is-active, .pills a:hover { background: #fff; color: var(--orange); box-shadow: 0 1px 3px rgba(0,0,0,.06); }

.chart-table-wrap {
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
}
.chart-table { width: 100%; }
.chart-head, .chart-row {
    display: grid;
    grid-template-columns: 48px minmax(0, 1.8fr) 64px 88px 78px 72px;
    gap: 8px; align-items: center; padding: 12px;
}
.chart-head {
    background: var(--bg-soft); font-size: .7rem; font-weight: 800; text-transform: uppercase;
    letter-spacing: .04em; color: var(--muted);
}
.chart-row { border-top: 1px solid var(--line); }
.rank { font-weight: 800; font-variant-numeric: tabular-nums; }
.rank.top1 { color: #C9A227; }
.rank.top2 { color: #8A939C; }
.rank.top3 { color: #B87333; }
.track { display: flex; align-items: center; gap: 10px; min-width: 0; }
.track strong, .track span {
    display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.track span { color: var(--muted); font-size: .85rem; }
.prev.mov-up { color: var(--green-dark); }
.prev.mov-down { color: #DC2626; }
.prev.mov-new { color: var(--orange); font-weight: 700; }
.prev.mov-same { color: var(--muted); }
.prev .mov-icon { font-weight: 800; margin-right: 2px; }
.prev small { opacity: .75; margin-left: 2px; }
.empty { color: var(--muted); padding: 24px 0; }

.site-footer {
    border-top: 1px solid var(--line);
    padding: 20px 0 calc(24px + var(--safe-bottom));
}
.footer-ad {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 18px 20px;
    border-radius: 16px;
    background: linear-gradient(120deg, #FF6B00 0%, #FF8A3D 42%, #00A651 100%);
    color: #fff !important;
    box-shadow: 0 10px 28px rgba(255, 107, 0, .22);
    min-height: 72px;
}
.footer-ad-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1 1 220px;
}
.footer-ad-copy strong {
    font-size: clamp(1rem, 3.5vw, 1.2rem);
    line-height: 1.25;
}
.footer-ad-copy span {
    opacity: .92;
    font-size: .9rem;
    line-height: 1.4;
}
.footer-ad-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 44px;
    padding: 10px 18px;
    border-radius: 999px;
    background: #fff;
    color: #111827;
    font-weight: 800;
    font-size: .9rem;
}
.footer-ad:hover .footer-ad-btn {
    background: #FFF3EB;
}

@media (max-width: 640px) {
    .footer-ad {
        padding: 16px;
        gap: 12px;
    }
    .footer-ad-btn {
        width: 100%;
    }
}

.chart-row > .col-peak,
.chart-row > .prev,
.chart-row > .col-plays,
.chart-row > .col-metric {
    /* desktop columns */
}
.meta-line { display: none; }

@media (max-width: 900px) {
    .chart-cards { grid-template-columns: 1fr; }
    .chart-head { display: none; }
    .chart-row {
        grid-template-columns: 36px minmax(0, 1fr);
        grid-template-areas:
            "rank track"
            ". meta";
        gap: 6px 10px;
        padding: 12px 10px;
    }
    .chart-row .rank { grid-area: rank; align-self: start; padding-top: 10px; }
    .chart-row .track { grid-area: track; }
    .chart-row > .col-peak,
    .chart-row > .prev,
    .chart-row > .col-plays,
    .chart-row > .col-metric {
        display: none;
    }
    .chart-row .meta-line {
        grid-area: meta;
        display: flex;
        flex-wrap: wrap;
        gap: 8px 12px;
        font-size: .8rem;
        color: var(--muted);
    }
}

@media (max-width: 720px) {
    .btn-main { display: none; }
    .logo em { display: none; }
    .region-select select { max-width: 46vw; padding-left: 10px; padding-right: 10px; }
    .chart-card { min-height: 180px; padding: 16px; }
    .section { padding-top: 16px; }
}

@media (max-width: 380px) {
    .lang-switch a { min-width: 32px; font-size: .7rem; }
    .container { width: calc(100% - 16px); }
}

@media (hover: none) {
    .chart-card:hover { transform: none; box-shadow: none; }
    .chart-row:hover { background: transparent; }
}