/* ============================================================
   Rádio Player Online v3.0 — design tokens + refresh
   ============================================================ */

:root {
    /* Espaçamento */
    --sp-1: 4px;
    --sp-2: 8px;
    --sp-3: 12px;
    --sp-4: 16px;
    --sp-5: 20px;
    --sp-6: 24px;
    --sp-8: 32px;

    /* Raios */
    --r-sm: 8px;
    --r: 12px;
    --r-lg: 16px;
    --r-pill: 999px;

    /* Tipografia */
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --fs-xs: 0.78rem;
    --fs-sm: 0.88rem;
    --fs-md: 1rem;
    --fs-lg: 1.15rem;
    --fs-xl: 1.4rem;

    /* Cores — tema claro (padrão) */
    --bg: #eef2f6;
    --surface: #ffffff;
    --surface-2: #f5f7fa;
    --surface-3: #eaeef3;
    --border: #dde3ea;
    --border-strong: #c8d1db;
    --text: #1c2530;
    --text-muted: #5b6672;
    --text-faint: #8a95a1;

    --accent: #0284c7;
    --accent-hover: #036aa1;
    --accent-soft: #e0f2fe;
    --accent-contrast: #ffffff;

    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --danger-soft: #fee2e2;
    --success: #16a34a;
    --warning: #d97706;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.10);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.18);

    --player-h: 66px;
    --maxw: 720px;
    --tap: 44px;
}

body.dark-theme {
    --bg: #0b1220;
    --surface: #161f2e;
    --surface-2: #1c2637;
    --surface-3: #243043;
    --border: #2b3648;
    --border-strong: #3a4658;
    --text: #e6ebf2;
    --text-muted: #a3b0c0;
    --text-faint: #77828f;

    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --accent-soft: #0c3b52;
    --accent-contrast: #04121c;

    --danger: #f87171;
    --danger-hover: #ef4444;
    --danger-soft: #3b1d1d;
    --success: #4ade80;
    --warning: #fbbf24;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.55);
}

/* Cores de destaque personalizadas */
body.title-color-blue   { --accent: #2563eb; --accent-hover: #1d4ed8; --accent-soft: #dbeafe; }
body.title-color-green  { --accent: #16a34a; --accent-hover: #15803d; --accent-soft: #dcfce7; }
body.title-color-purple { --accent: #7c3aed; --accent-hover: #6d28d9; --accent-soft: #ede9fe; }
body.title-color-red    { --accent: #dc2626; --accent-hover: #b91c1c; --accent-soft: #fee2e2; }
body.title-color-orange { --accent: #ea580c; --accent-hover: #c2410c; --accent-soft: #ffedd5; }
body.dark-theme.title-color-blue   { --accent: #60a5fa; --accent-soft: #17335f; --accent-contrast: #04121c; }
body.dark-theme.title-color-green  { --accent: #4ade80; --accent-soft: #12401f; --accent-contrast: #04121c; }
body.dark-theme.title-color-purple { --accent: #a78bfa; --accent-soft: #2e1d54; --accent-contrast: #04121c; }
body.dark-theme.title-color-red    { --accent: #f87171; --accent-soft: #43191a; --accent-contrast: #04121c; }
body.dark-theme.title-color-orange { --accent: #fb923c; --accent-soft: #45260f; --accent-contrast: #04121c; }

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: var(--font);
    font-size: var(--fs-md);
    line-height: 1.55;
    background: var(--bg);
    color: var(--text);
    -webkit-text-size-adjust: 100%;
    transition: background-color 0.25s ease, color 0.25s ease;
}

a { color: var(--accent); }

.hidden-section { display: none !important; }
[hidden] { display: none !important; }
img { max-width: 100%; }

/* ---------- Layout ---------- */
.app {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--sp-4);
}

.app__main {
    padding-bottom: calc(var(--player-h) + var(--sp-6) + env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

/* ---------- Topbar ---------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    padding: var(--sp-3) 0;
    margin-bottom: var(--sp-4);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.topbar__brand {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-weight: 700;
    font-size: var(--fs-lg);
    color: var(--text);
}

.topbar__logo { font-size: 1.4em; }

.topbar__actions { display: flex; gap: var(--sp-1); }

/* ---------- Botões ---------- */
.btn {
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    padding: 10px 16px;
    min-height: var(--tap);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    background: var(--accent);
    color: var(--accent-contrast);
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}
.btn:active { transform: scale(0.98); }
.btn:hover { background: var(--accent-hover); }

.btn--primary { background: var(--accent); color: var(--accent-contrast); }
.btn--secondary { background: var(--surface-3); color: var(--text); }
.btn--secondary:hover { background: var(--border); }
.btn--ghost { background: transparent; color: var(--accent); border-color: var(--border-strong); }
.btn--ghost:hover { background: var(--accent-soft); }
.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover { background: var(--danger-hover); }
.btn--sm { padding: 7px 12px; min-height: 38px; font-size: var(--fs-sm); }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.icon-btn {
    -webkit-appearance: none;
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--tap);
    height: var(--tap);
    min-width: var(--tap);
    padding: 0;
    border: none;
    border-radius: var(--r-sm);
    background: transparent;
    color: var(--text);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.05s ease;
}
.icon-btn:hover { background: var(--surface-3); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.icon-btn--lg { width: 48px; height: 48px; font-size: 1.35rem; }

.linkish {
    -webkit-appearance: none;
    appearance: none;
    background: none;
    border: none;
    padding: var(--sp-2) 0;
    color: var(--accent);
    font: inherit;
    font-weight: 600;
    font-size: var(--fs-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
}

.chev {
    display: inline-block;
    font-size: 0.8em;
    transition: transform 0.2s ease;
}
[aria-expanded="true"] > .chev,
[aria-expanded="true"] .chev { transform: rotate(90deg); }

/* ---------- Cards ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: var(--sp-4);
    box-shadow: var(--shadow-sm);
}

.card__title {
    margin: 0 0 var(--sp-3);
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}
.card__icon { font-size: 1.1em; }

.card__toggle {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    background: none;
    border: none;
    padding: var(--sp-1) 0;
    margin: 0;
    font: inherit;
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-2);
    min-height: var(--tap);
}
.card__toggle-label {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--fs-lg);
    font-weight: 700;
}

.card__body { padding-top: var(--sp-3); }

/* ---------- Inputs ---------- */
.input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    font: inherit;
    font-size: 16px; /* evita zoom no iOS */
    padding: 11px 12px;
    border: 1px solid var(--border-strong);
    border-radius: var(--r-sm);
    background: var(--surface-2);
    color: var(--text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
select.input { cursor: pointer; -webkit-appearance: auto; appearance: auto; }

.field-row {
    display: flex;
    gap: var(--sp-2);
    align-items: stretch;
}
.input--grow { flex: 1 1 auto; min-width: 0; }
.field-row .btn { flex-shrink: 0; }

.stack { display: flex; flex-direction: column; gap: var(--sp-3); }

.row-actions {
    display: flex;
    gap: var(--sp-2);
    margin-top: var(--sp-3);
}
.row-actions--wrap { flex-wrap: wrap; }

/* ---------- Filtros ---------- */
.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--sp-3);
    padding: var(--sp-3);
    margin: var(--sp-2) 0 var(--sp-3);
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
}
.filters__field {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-muted);
}
.filters__actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
}

/* ---------- Lista de estações ---------- */
.station-list {
    display: flex;
    flex-direction: column;
    max-height: 340px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    background: var(--surface-2);
}
.station-list:empty { display: none; }

.empty-state {
    margin: 0;
    padding: var(--sp-5) var(--sp-4);
    text-align: center;
    color: var(--text-faint);
    font-size: var(--fs-sm);
}

.station-item {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3);
    border-bottom: 1px solid var(--border);
}
.station-item:last-child { border-bottom: none; }

.station-main {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    flex: 1 1 auto;
    min-width: 0;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font: inherit;
    color: inherit;
    text-align: left;
    cursor: pointer;
}
.station-main:hover .station-name { color: var(--accent); }

.station-favicon,
.station-favicon-ph {
    width: 36px;
    height: 36px;
    border-radius: var(--r-sm);
    flex-shrink: 0;
    object-fit: cover;
    background: var(--surface-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.station-text { min-width: 0; display: flex; flex-direction: column; }
.station-name {
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.station-details {
    font-size: var(--fs-xs);
    color: var(--text-faint);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.station-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
    flex-shrink: 0;
}
.station-actions .icon-btn { width: 40px; height: 40px; font-size: 1.05rem; }
.act-fav.is-fav { color: var(--warning); }
.act-remove { color: var(--danger); }

.station-item.is-playing { background: var(--accent-soft); }
.station-item.is-playing .station-name { color: var(--accent); }

@keyframes eq {
    0%, 100% { height: 20%; }
    50% { height: 95%; }
}

/* ---------- Favoritos: categorias ---------- */
.favorites { display: flex; flex-direction: column; gap: var(--sp-2); }

.fav-category {
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    overflow: hidden;
    background: var(--surface-2);
}
.fav-category__header {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-2) var(--sp-2) var(--sp-3);
    background: var(--surface);
    min-height: var(--tap);
}
.fav-category__handle {
    cursor: grab;
    color: var(--text-faint);
    padding: 4px;
    font-size: 0.95rem;
    touch-action: none;
}
.fav-category__name {
    flex: 1 1 auto;
    min-width: 0;
    font-weight: 700;
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    background: none;
    border: none;
    font-size: var(--fs-md);
    text-align: left;
    padding: 6px 0;
}
.fav-category__label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.fav-category__count {
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--text-faint);
    background: var(--surface-3);
    border-radius: var(--r-pill);
    padding: 1px 8px;
    flex-shrink: 0;
}
.fav-category__chev { font-size: 0.75em; transition: transform 0.2s ease; color: var(--text-muted); flex-shrink: 0; }
.fav-category.is-open .fav-category__chev { transform: rotate(90deg); }
.fav-category__body { border-top: 1px solid var(--border); }
.fav-category--empty .fav-category__name { color: var(--text-faint); font-weight: 600; }
.fav-category__empty-hint {
    padding: var(--sp-3);
    font-size: var(--fs-sm);
    color: var(--text-faint);
    text-align: center;
}

/* drag & drop */
.dragging { opacity: 0.4; }
.drag-over-top { box-shadow: inset 0 3px 0 var(--accent); }
.drag-over-bottom { box-shadow: inset 0 -3px 0 var(--accent); }

/* ---------- Tabs (estatísticas) ---------- */
.tabs {
    display: flex;
    gap: var(--sp-1);
    background: var(--surface-3);
    padding: 4px;
    border-radius: var(--r-sm);
    margin-bottom: var(--sp-3);
}
.tab {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    border: none;
    background: none;
    padding: 9px 10px;
    border-radius: calc(var(--r-sm) - 3px);
    font: inherit;
    font-weight: 600;
    font-size: var(--fs-sm);
    color: var(--text-muted);
    cursor: pointer;
    min-height: 40px;
}
.tab.is-active { background: var(--surface); color: var(--accent); box-shadow: var(--shadow-sm); }

.analytics-results {
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    background: var(--surface-2);
}
.analytics-results .empty-state { padding: var(--sp-5); }
.analytics-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3);
    border-bottom: 1px solid var(--border);
}
.analytics-item:last-child { border-bottom: none; }
.analytics-rank {
    font-weight: 700;
    color: var(--text-faint);
    min-width: 22px;
}
.analytics-station-name {
    flex: 1 1 auto;
    min-width: 0;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.analytics-stats {
    font-size: var(--fs-sm);
    color: var(--accent);
    font-weight: 700;
    white-space: nowrap;
}

/* ---------- Top rádios ---------- */
.top-radios {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
}
.top-radio-btn {
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text);
    border-radius: var(--r-pill);
    padding: 9px 14px;
    font: inherit;
    font-weight: 600;
    font-size: var(--fs-sm);
    cursor: pointer;
    min-height: 40px;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}
.top-radio-btn:hover { background: var(--accent-soft); border-color: var(--accent); }
.top-radios .empty-state { flex: 1; }

/* ---------- Install CTA ---------- */
.install-cta { display: flex; justify-content: center; }

/* ---------- Player fixo ---------- */
.player {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    background: var(--surface);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.12);
    padding-bottom: env(safe-area-inset-bottom);
}
@supports (backdrop-filter: blur(8px)) {
    .player { background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(10px); }
}

.player__main {
    max-width: var(--maxw);
    margin: 0 auto;
    height: var(--player-h);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: 0 var(--sp-4);
}

.player__eq {
    display: none;
    align-items: flex-end;
    gap: 2px;
    height: 22px;
    flex-shrink: 0;
}
.player[data-state="playing"] .player__eq { display: flex; }
.player__eq span {
    width: 3px;
    background: var(--accent);
    border-radius: 2px;
    animation: eq 0.9s ease-in-out infinite;
}
.player__eq span:nth-child(2) { animation-delay: -0.4s; }
.player__eq span:nth-child(3) { animation-delay: -0.15s; }
.player__eq span:nth-child(4) { animation-delay: -0.65s; }

.player__meta { flex: 1 1 auto; min-width: 0; }
.player__title {
    font-weight: 600;
    font-size: var(--fs-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text);
}
.player[data-state="idle"] .player__title { color: var(--text-faint); font-weight: 500; }
.player__sub {
    font-size: var(--fs-xs);
    color: var(--text-faint);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player__controls { display: flex; align-items: center; gap: var(--sp-1); flex-shrink: 0; }
.player__controls #playerExpandButton { transition: transform 0.2s ease; }
.player__controls #playerExpandButton[aria-expanded="true"] { transform: rotate(180deg); }

.player__panel {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}
.player__row {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    flex-wrap: wrap;
}
.player__row #volumeControl { flex: 1 1 120px; min-width: 100px; accent-color: var(--accent); height: 28px; }
.player__vol { font-size: var(--fs-sm); font-weight: 600; min-width: 42px; text-align: right; color: var(--text-muted); }
.player__row-label { font-size: var(--fs-sm); font-weight: 600; color: var(--text-muted); width: 100%; }
.player__sleep-status { font-size: var(--fs-sm); font-weight: 700; color: var(--accent); }

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.chip {
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text-muted);
    border-radius: var(--r-pill);
    padding: 7px 14px;
    font: inherit;
    font-weight: 600;
    font-size: var(--fs-sm);
    cursor: pointer;
    min-height: 38px;
}
.chip:hover { border-color: var(--accent); }
.chip.is-active {
    background: var(--accent);
    color: var(--accent-contrast);
    border-color: var(--accent);
}

/* ---------- Sheet (configurações) ---------- */
.sheet {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}
.sheet__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 15, 0.55);
    animation: fade 0.2s ease;
}
.sheet__panel {
    position: relative;
    width: 100%;
    max-width: var(--maxw);
    max-height: 85vh;
    overflow-y: auto;
    background: var(--surface);
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    padding: var(--sp-4) var(--sp-4) calc(var(--sp-6) + env(safe-area-inset-bottom));
    box-shadow: var(--shadow-lg);
    animation: slide-up 0.25s ease;
}
.sheet__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-4);
}
.sheet__header h2 { margin: 0; font-size: var(--fs-lg); }
.sheet__body { display: flex; flex-direction: column; gap: var(--sp-5); }

.setting { display: flex; flex-direction: column; gap: var(--sp-2); }
.setting__label { font-weight: 700; font-size: var(--fs-sm); color: var(--text-muted); }
.setting--about summary {
    cursor: pointer;
    font-weight: 700;
    font-size: var(--fs-sm);
    color: var(--text-muted);
    padding: var(--sp-2) 0;
}

.about-content h3 { margin: var(--sp-2) 0; font-size: var(--fs-md); display: flex; align-items: center; gap: var(--sp-2); }
.about-version {
    font-size: var(--fs-xs);
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: var(--r-pill);
    padding: 1px 8px;
    font-weight: 700;
}
.about-content h4 { margin: var(--sp-3) 0 var(--sp-1); font-size: var(--fs-sm); }
.about-content ul { margin: 0; padding-left: 1.2em; }
.about-content li { font-size: var(--fs-sm); color: var(--text-muted); }
.about-content p { font-size: var(--fs-sm); color: var(--text-muted); }
.about-footer { margin-top: var(--sp-3); }

/* ---------- Modal (confirm / prompt / choose) ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 70;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-4);
}
.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 15, 0.55);
    animation: fade 0.15s ease;
}
.modal__panel {
    position: relative;
    width: 100%;
    max-width: 400px;
    max-height: 85vh;
    overflow-y: auto;
    background: var(--surface);
    border-radius: var(--r-lg);
    padding: var(--sp-5);
    box-shadow: var(--shadow-lg);
    animation: pop 0.18s ease;
}
.modal__title { margin: 0 0 var(--sp-3); font-size: var(--fs-lg); font-weight: 700; }
.modal__body { margin-bottom: var(--sp-4); color: var(--text-muted); font-size: var(--fs-sm); }
.modal__body .input { margin-top: var(--sp-3); }
.modal__choices { display: flex; flex-direction: column; gap: var(--sp-2); margin-top: var(--sp-3); }
.modal__choice {
    -webkit-appearance: none;
    appearance: none;
    text-align: left;
    padding: 12px 14px;
    border: 1px solid var(--border-strong);
    border-radius: var(--r-sm);
    background: var(--surface-2);
    color: var(--text);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    min-height: var(--tap);
}
.modal__choice:hover { border-color: var(--accent); background: var(--accent-soft); }
.modal__actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--sp-2);
    flex-wrap: wrap;
}

/* ---------- Toast ---------- */
.toast {
    position: fixed;
    left: 50%;
    bottom: calc(var(--player-h) + var(--sp-4) + env(safe-area-inset-bottom));
    transform: translate(-50%, 20px);
    z-index: 80;
    min-width: 240px;
    max-width: calc(100vw - 32px);
    padding: 13px 18px;
    border-radius: var(--r);
    background: var(--text);
    color: var(--surface);
    text-align: center;
    font-size: var(--fs-sm);
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s linear 0.25s;
}
.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes slide-up { from { transform: translateY(100%); } to { transform: translateY(0); } }
@keyframes pop { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* ---------- Focus visível ---------- */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ---------- Desktop ---------- */
@media (min-width: 720px) {
    .app { padding: 0 var(--sp-6); }
    .station-actions .icon-btn { width: 42px; height: 42px; }
}

/* ---------- Mobile ---------- */
@media (max-width: 560px) {
    .app { padding: 0 var(--sp-3); }
    .topbar__name { font-size: var(--fs-md); }
    .card { padding: var(--sp-3); }
    .card__toggle-label,
    .card__title { font-size: var(--fs-md); }
    .station-item { flex-wrap: wrap; }
    .station-actions { width: 100%; justify-content: flex-end; }
    .toast { bottom: calc(var(--player-h) + var(--sp-3) + env(safe-area-inset-bottom)); }
}

/* ---------- Reduzir movimento ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .player__eq { display: none !important; }
}