/* =====================================================================
   Repertório Online — folha de estilos única
   Mobile-first · Dark/Light via [data-theme] · Sem frameworks externos
   ===================================================================== */

/* ---------------------------------------------------------------------
   1. Variáveis de tema
   --------------------------------------------------------------------- */
:root {
    --bg: #f6f5f1;
    --surface: #ffffff;
    --surface-2: #efede6;
    --text: #1a1a1a;
    --text-secondary: #6b6b6b;
    --accent: #9c7a2e;
    --accent-strong: #7e6225;
    --accent-contrast: #ffffff;
    --border: #e3e0d6;
    --danger: #b3382c;
    --danger-bg: #fbeae8;
    --success-bg: #e8f3ec;
    --success-text: #205a37;
    --error-bg: #fbeae8;
    --error-text: #8a2a1f;
    --info-bg: #eef1f6;
    --info-text: #30425c;
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 20px;
    --shadow: 0 1px 2px rgba(20, 20, 20, 0.06), 0 2px 10px rgba(20, 20, 20, 0.05);
    --shadow-modal: 0 10px 40px rgba(0, 0, 0, 0.25);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --header-h: 3.25rem;
    --lyrics-scale: 1;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #0b0b0c;
        --surface: #1a1a1c;
        --surface-2: #232325;
        --text: #f3f2ef;
        --text-secondary: #9a9a9d;
        --accent: #cdab6a;
        --accent-strong: #e2c488;
        --accent-contrast: #1a1405;
        --border: #2c2c2f;
        --danger: #e07262;
        --danger-bg: #3a1f1c;
        --success-bg: #163424;
        --success-text: #8fd6ac;
        --error-bg: #3a1f1c;
        --error-text: #f0a99c;
        --info-bg: #1d2733;
        --info-text: #a9c1dd;
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 10px rgba(0, 0, 0, 0.35);
    }
}

:root[data-theme="dark"] {
    --bg: #0b0b0c;
    --surface: #1a1a1c;
    --surface-2: #232325;
    --text: #f3f2ef;
    --text-secondary: #9a9a9d;
    --accent: #cdab6a;
    --accent-strong: #e2c488;
    --accent-contrast: #1a1405;
    --border: #2c2c2f;
    --danger: #e07262;
    --danger-bg: #3a1f1c;
    --success-bg: #163424;
    --success-text: #8fd6ac;
    --error-bg: #3a1f1c;
    --error-text: #f0a99c;
    --info-bg: #1d2733;
    --info-text: #a9c1dd;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 10px rgba(0, 0, 0, 0.35);
}

/* ---------------------------------------------------------------------
   2. Reset / base
   --------------------------------------------------------------------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3 { margin: 0 0 .35rem; font-weight: 700; line-height: 1.25; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
p { margin: 0 0 .5rem; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }
img { max-width: 100%; display: block; }

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

code {
    background: var(--surface-2);
    padding: .1em .35em;
    border-radius: 4px;
    font-size: .9em;
}

/* ---------------------------------------------------------------------
   3. Layout
   --------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 1.25rem 1rem 3rem;
}
.container-narrow { max-width: 620px; }

@media (min-width: 768px) {
    .container { padding: 2rem 1.5rem 4rem; }
}

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}
.page-header h1 { margin-top: .15rem; }
.page-header-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.page-header-repertoire { align-items: flex-end; }

.back-link {
    display: inline-block;
    color: var(--text-secondary);
    font-size: .9rem;
    margin-bottom: .5rem;
}
.back-link:hover { color: var(--accent); }

.repertoire-meta, .repertoire-desc { color: var(--text-secondary); font-size: .92rem; }

/* ---------------------------------------------------------------------
   4. Botões
   --------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .65rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    min-height: 44px;
    transition: transform .08s ease, background .15s ease, border-color .15s ease;
    white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary { background: var(--accent); color: var(--accent-contrast); }
.btn-primary:hover { background: var(--accent-strong); }

.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger-ghost { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger-ghost:hover { background: var(--danger-bg); }

.btn-block { width: 100%; }

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent); }
.icon-btn-danger:hover { color: var(--danger); border-color: var(--danger); }

.inline-form { display: inline-flex; }

/* ---------------------------------------------------------------------
   5. Formulários
   --------------------------------------------------------------------- */
label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: .9rem 0 .3rem;
}
label:first-of-type { margin-top: 0; }

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], select, textarea {
    width: 100%;
    padding: .7rem .8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    min-height: 44px;
}
textarea { min-height: auto; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); }

.song-content-editor {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .95rem;
    white-space: pre;
}

.form-field-checkbox label {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 500;
    color: var(--text);
    margin-top: 1.6rem;
}
.form-field-checkbox input { width: auto; min-height: auto; }

.field-hint { font-size: .85rem; color: var(--text-secondary); margin-top: -.1rem; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0 1rem;
}
@media (min-width: 640px) {
    .form-grid { grid-template-columns: 1fr 1fr; }
}

.stacked-form { display: flex; flex-direction: column; }

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: .6rem;
    margin-top: 1.25rem;
}
.modal-actions-split { justify-content: space-between; align-items: center; flex-wrap: wrap; }

/* ---------------------------------------------------------------------
   6. Alertas / mensagens flash
   --------------------------------------------------------------------- */
.flash {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: .75rem;
    padding: .8rem 1rem;
    font-size: .92rem;
    position: sticky;
    top: 0;
    z-index: 50;
}
.flash-success { background: var(--success-bg); color: var(--success-text); }
.flash-error { background: var(--error-bg); color: var(--error-text); }
.flash-info { background: var(--info-bg); color: var(--info-text); }
.flash-close {
    background: none; border: none; color: inherit; font-size: 1.1rem;
    cursor: pointer; line-height: 1; padding: 0 .2rem;
}

.alert {
    padding: .8rem 1rem;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    margin-bottom: 1rem;
}
.alert ul { padding-left: 1.1rem; list-style: disc; }
.alert-error { background: var(--error-bg); color: var(--error-text); }
.alert-info { background: var(--info-bg); color: var(--info-text); }

/* ---------------------------------------------------------------------
   7. Tela de autenticação (login / instalador)
   --------------------------------------------------------------------- */
.auth-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}
.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem 1.75rem;
}
.auth-brand { display: flex; align-items: center; gap: .6rem; margin-bottom: .25rem; }
.auth-logo {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--accent); color: var(--accent-contrast);
    font-size: 1.1rem;
}
.auth-brand h1 { font-size: 1.25rem; margin: 0; }
.auth-subtitle { color: var(--text-secondary); font-size: .92rem; margin-bottom: 1.1rem; }
.auth-help { color: var(--text-secondary); font-size: .85rem; margin-top: 1rem; }
.auth-form button { margin-top: 1.4rem; }

/* ---------------------------------------------------------------------
   8. Navegação do painel
   --------------------------------------------------------------------- */
.admin-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 40;
    gap: 1rem;
}
.admin-nav-brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; }
.admin-nav-logo { color: var(--accent); font-size: 1.2rem; }
.admin-nav-links { display: flex; align-items: center; gap: 1rem; font-size: .9rem; flex-wrap: wrap; }
.admin-nav-links a { color: var(--text-secondary); padding: .4rem 0; }
.admin-nav-links a:hover { color: var(--accent); }
.admin-nav-logout { color: var(--danger) !important; }

@media (min-width: 640px) {
    .admin-nav { padding: .85rem 1.5rem; }
}

/* ---------------------------------------------------------------------
   9. Dashboard — grade de repertórios
   --------------------------------------------------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: .9rem;
}
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }

.repertoire-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    transition: border-color .15s ease, transform .1s ease;
}
.repertoire-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.repertoire-card-icon { color: var(--accent); font-size: 1.4rem; margin-bottom: .4rem; }
.repertoire-card h2 { font-size: 1.1rem; }
.repertoire-card-meta { color: var(--text-secondary); font-size: .85rem; margin-bottom: .3rem; }
.repertoire-card-desc { color: var(--text-secondary); font-size: .88rem; margin-bottom: 0; }

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
}
.empty-state .btn { margin-top: .75rem; }

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

/* ---------------------------------------------------------------------
   10. Repertório — compartilhamento + lista de músicas
   --------------------------------------------------------------------- */
.share-box {
    display: flex;
    flex-direction: column;
    gap: .7rem;
    background: var(--surface-2);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    margin-bottom: 1.5rem;
    font-size: .88rem;
}
.share-box strong { font-size: .92rem; }
.share-box p { color: var(--text-secondary); margin-bottom: 0; }
.share-box-url { display: flex; gap: .5rem; }
.share-box-url input {
    flex: 1;
    font-size: .85rem;
    background: var(--surface);
}

.song-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .6rem;
    margin-bottom: .75rem;
}
.song-list-header-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

.song-list { display: flex; flex-direction: column; gap: .55rem; }

.song-row {
    display: flex;
    align-items: center;
    gap: .6rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: .5rem .6rem;
}
.song-row.dragging { opacity: .4; }
.song-row.drag-over { border-color: var(--accent); }

.drag-handle {
    cursor: grab;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    padding: .3rem;
    touch-action: none;
}

.song-position {
    font-weight: 700;
    color: var(--accent);
    min-width: 1.6rem;
    font-size: .95rem;
}

.song-main {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: .25rem 0;
}
.song-stage {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--accent);
    margin-bottom: .1rem;
}
.song-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.song-artist { font-size: .82rem; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.song-row-actions { display: flex; align-items: center; gap: .3rem; flex-wrap: nowrap; }

/* ---------------------------------------------------------------------
   11. Modal
   --------------------------------------------------------------------- */
.modal { position: fixed; inset: 0; z-index: 100; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(10, 10, 10, 0.55); }
.modal-dialog {
    position: relative;
    max-width: 480px;
    margin: 6vh auto 0;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-modal);
    padding: 1.5rem;
    max-height: 88vh;
    overflow-y: auto;
}
.modal-dialog h2 { margin-bottom: .9rem; }

@media (max-width: 480px) {
    .modal-dialog { margin: 0; max-height: 100vh; height: 100%; border-radius: 0; }
}

/* ---------------------------------------------------------------------
   12. Modo apresentação (lista pública/enxuta)
   --------------------------------------------------------------------- */
.present-screen { max-width: 720px; margin: 0 auto; padding: 2rem 1.25rem 3rem; min-height: 100vh; }
.present-header { text-align: center; margin-bottom: 1.75rem; position: relative; }
.present-header h1 { font-size: 1.5rem; letter-spacing: .02em; }
.present-date { color: var(--text-secondary); font-size: .9rem; }
.present-manage-link {
    position: absolute;
    right: 0;
    top: -.3rem;
    font-size: .82rem;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: .35rem .7rem;
}

.present-list { display: flex; flex-direction: column; gap: .6rem; }
.present-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.1rem;
    min-height: 44px;
}
.present-item:hover { border-color: var(--accent); }
.present-item-position { font-weight: 700; color: var(--accent); font-size: 1.1rem; min-width: 2rem; }
.present-item-text { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.present-item-main { font-weight: 700; font-size: 1.05rem; }
.present-item-sub {
    font-size: .85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
}
.present-item-key {
    font-weight: 700;
    color: var(--accent);
    background: var(--surface-2);
    border-radius: 999px;
    padding: .05rem .55rem;
    font-size: .78rem;
}
.present-item-arrow { color: var(--text-secondary); font-size: 1.3rem; }

@media (min-width: 768px) { .present-screen { padding-top: 3rem; } }

/* ---------------------------------------------------------------------
   13. Tocador / Teleprompter — a tela principal
   --------------------------------------------------------------------- */
.player-screen {
    display: flex;
    flex-direction: column;
    /* Altura FIXA (não min-height): é isso que obriga ".player-lyrics"
       logo abaixo a virar uma região com rolagem própria em vez de só
       esticar a página inteira — sem isso, não há nada para o
       auto-scroll rolar. */
    height: 100vh;
    height: 100dvh;
    background: var(--bg);
}

.player-header {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    padding: .7rem .9rem;
    transition: opacity .25s ease;
}
.player-back, .player-edit-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.2rem;
}
.player-back:hover, .player-edit-link:hover { background: var(--surface-2); color: var(--accent); }
.player-header-stage {
    flex: 1;
    text-align: center;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .05em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.player-title-block { flex: 0 0 auto; text-align: center; padding: 0 1.25rem .9rem; transition: opacity .25s ease; }
.player-song-title { font-size: 1.4rem; margin-bottom: .2rem; }
.player-song-sub {
    color: var(--text-secondary);
    font-size: .95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    flex-wrap: wrap;
    margin-bottom: 0;
}
.player-key-wrap { display: inline-flex; align-items: center; gap: .3rem; }
.player-key { font-weight: 700; color: var(--accent); font-style: normal; }
.player-key-original { font-size: .8rem; opacity: .75; }
.dot { opacity: .6; }

.transpose-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-secondary);
    font-size: .85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.transpose-btn:hover { border-color: var(--accent); color: var(--accent); }

.song-ensaio-panel {
    margin: .6rem auto 0;
    max-width: 480px;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    padding: .7rem .9rem;
    font-size: .85rem;
    text-align: left;
}
.ensaio-chip {
    display: inline-block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: .2rem .65rem;
    margin: 0 .3rem .3rem 0;
    font-weight: 600;
    font-size: .78rem;
}
.ensaio-notes { color: var(--text-secondary); margin: .4rem 0 0; }

.player-lyrics {
    flex: 1 1 auto;
    /* Crítico em flexbox: por padrão um item flex não encolhe além do
       tamanho do seu conteúdo (min-height:auto implícito), então sem
       isso o "overflow-y:auto" abaixo nunca entra em ação. */
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: .5rem 1.25rem 1.5rem;
    scroll-behavior: auto;
}
.player-lyrics-inner {
    max-width: 640px;
    margin: 0 auto;
    font-size: calc(1.2rem * var(--lyrics-scale));
    line-height: 1.9;
}

.lyric-line { display: flex; flex-wrap: wrap; align-items: flex-end; margin-bottom: .15em; }
.lyric-blank { height: .9em; }
.lyric-section {
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    font-size: .68em;
    margin: 1.1em 0 .35em;
}
.lyric-section:first-child { margin-top: 0; }

/* Acorde e letra ficam em COLUNA dentro do mesmo grupo (em vez do acorde
   "flutuar" em position:absolute por cima). Isso é o que resolve o acorde
   sobrepondo o próximo: como os dois agora ocupam espaço real no fluxo do
   documento, o grupo nunca fica mais estreito do que o próprio texto do
   acorde — mesmo quando a letra entre dois acordes é curtíssima (ex.: um
   único espaço em trechos instrumentais "[Em] [C] [G] [D]"). */
.chord-group {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    /* Garante um respiro mínimo entre acordes vizinhos mesmo quando a
       letra entre eles é só um espaço (ou nada): como o rótulo do acorde
       costuma ser mais largo que esse espaço, sem esta margem os grupos
       ficariam encostados um no outro (ex.: "EmCGD" colado). */
    margin-right: .3em;
}
.chord-group:last-child { margin-right: 0; }
.chord {
    color: var(--accent);
    font-weight: 700;
    font-size: .72em;
    line-height: 1.3;
    white-space: nowrap;
    font-style: normal;
}
.lyric { white-space: pre-wrap; }
/* Quando não sobra nenhum caractere de letra entre dois acordes colados
   (ex.: "[C][Am][F][G]"), o <span class="lyric"> fica com texto vazio e,
   sem nenhum caractere nem espaço, o navegador zera a altura dessa linha
   — isso derrubava a cifra de cima fora do alinhamento com as cifras
   vizinhas. Reservar a altura de uma linha evita esse desalinhamento. */
.chord-group > .lyric { min-height: 1.9em; }
.lyric-empty { color: var(--text-secondary); font-style: italic; }

#player-screen.chords-hidden .chord { display: none; }

.player-lyrics-end { max-width: 640px; margin: 1.5rem auto 0; text-align: center; }
.player-end-message { color: var(--text-secondary); font-size: 1rem; }

.player-edge {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    z-index: 15;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface);
    background: color-mix(in srgb, var(--surface) 85%, transparent);
    color: var(--text-secondary);
    font-size: 1.3rem;
    cursor: pointer;
    transition: opacity .25s ease;
}
.player-edge:disabled { opacity: 0; pointer-events: none; }
.player-edge-prev { left: .5rem; }
.player-edge-next { right: .5rem; }

@media (min-width: 900px) {
    .player-edge { width: 3.2rem; height: 3.2rem; }
    .player-edge-prev { left: 1.5rem; }
    .player-edge-next { right: 1.5rem; }
}

.player-controls {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .3rem;
    padding: .55rem .6rem;
    padding-bottom: calc(.55rem + env(safe-area-inset-bottom));
    background: var(--surface);
    border-top: 1px solid var(--border);
    position: sticky;
    bottom: 0;
    z-index: 20;
    transition: opacity .25s ease;
    overflow-x: auto;
}
.ctrl-btn {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background: transparent;
    color: var(--text);
    font-size: 1.05rem;
    cursor: pointer;
    padding: 0 .4rem;
}
.ctrl-btn:hover { background: var(--surface-2); }
.ctrl-btn[aria-pressed="true"] { color: var(--accent-contrast); background: var(--accent); }
.ctrl-btn-play[aria-pressed="true"] { background: var(--accent); color: var(--accent-contrast); }

.speed-control {
    display: flex;
    align-items: center;
    gap: .2rem;
    font-size: .8rem;
    color: var(--text-secondary);
    flex: 0 0 auto;
}
.speed-control #speed-display { min-width: 3.2em; text-align: center; font-weight: 600; }

/* Modo palco: esconde temporariamente os elementos de navegação para
   uma leitura sem distrações (toque na letra para mostrar/esconder). */
.player-screen.chrome-hidden .player-header,
.player-screen.chrome-hidden .player-title-block .transpose-btn,
.player-screen.chrome-hidden .player-controls,
.player-screen.chrome-hidden .player-edge {
    opacity: 0;
    pointer-events: none;
}

/* ---------------------------------------------------------------------
   14. Telas largas (tablet / desktop)
   --------------------------------------------------------------------- */
@media (min-width: 768px) {
    .player-header { padding: 1rem 1.5rem; }
    .player-song-title { font-size: 1.7rem; }
    .player-lyrics { padding: 1rem 2rem 2rem; }
    .player-controls { padding: .75rem 1.25rem; justify-content: center; gap: .6rem; }
}

@media (min-width: 1200px) {
    .player-lyrics-inner { font-size: calc(1.35rem * var(--lyrics-scale)); }
}

/* ---------------------------------------------------------------------
   15. Utilidades de acessibilidade / toque
   --------------------------------------------------------------------- */
@media (hover: none) {
    .btn, .icon-btn, .ctrl-btn, .transpose-btn { min-height: 44px; }
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}