/* A primeira pintura do login só revela os textos no idioma escolhido.
   O marcador é criado pelo JS; sem JS, o HTML de fallback continua visível. */
html[data-i18n-pending] body,
html[data-i18n-pending] body * { visibility: hidden !important; }

/* Idiomas, proteção do conteúdo, temas e estrutura visual básica. */
.language-control { position:absolute; top:15px; right:15px; z-index:40; }
.language-control > .botao-tema { position:static; }
#tela-acesso .link-esqueci-senha { cursor:pointer; }
.language-menu { position:absolute; right:0; top:calc(100% + 8px); width:220px; max-width:calc(100vw - 56px); padding:6px; border:1px solid var(--border); border-radius:12px; background:var(--surface); box-shadow:var(--shadow); text-align:left; }
.language-menu[hidden] { display:none !important; }
.language-menu button { display:block; width:100%; min-height:44px; padding:10px 12px; border:0; border-radius:7px; color:var(--text); background:transparent; font:inherit; font-size:14px; text-align:left; cursor:pointer; }
.language-menu button[aria-checked="true"] { background:var(--surface-soft); font-weight:700; box-shadow:inset 3px 0 var(--primary); }
.language-menu button:hover { background:var(--surface-hover); }
.language-menu button:focus-visible, .language-control > button:focus-visible { outline:2px solid var(--primary); outline-offset:2px; }
.content-language-notice { margin:8px 0; color:var(--text-secondary); font-size:12px; line-height:1.5; }
@media(max-width:600px) { .language-control { top:10px; right:10px; } }

#tela-jogo .card {
    -webkit-user-select: none;
    user-select: none;
}
#imagem-questao img, #imagem-questao video {
    -webkit-user-drag: none;
    -webkit-touch-callout: none;
    pointer-events: none;
}
#tela-jogo .card input, #tela-jogo .card textarea, #tela-jogo .card [contenteditable="true"] {
    -webkit-user-select: text;
    user-select: text;
}

* { box-sizing: border-box; }

:root {
    font-family: "Inter", "Segoe UI", Arial, Helvetica, sans-serif;
    color: #172033;
    background: #edf3f9;
    color-scheme: light;
    --bg: #edf3f9;
    --surface: #ffffff;
    --surface-soft: #f7faff;
    --surface-hover: #f2f7fc;
    --text: #172033;
    --text-secondary: #667085;
    --primary: #245fa8;
    --primary-hover: #1f548f;
    --border: #d8e1ec;
    --border-strong: #b9cde2;
    --shadow: 0 12px 34px rgba(22, 50, 82, .09);
    --shadow-hover: 0 15px 32px rgba(30, 79, 140, .13);
    --focus: #78a9df;
    --success-bg: #eaf7ef;
    --success-text: #17683f;
    --success-border: #53a978;
    --error-bg: #fff0f1;
    --error-text: #a52b38;
    --error-border: #dc6874;
    --transition-theme: background-color .35s ease, color .35s ease, border-color .35s ease, box-shadow .35s ease;
    --transition-ui: background-color .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease, opacity .25s ease;
}

html[data-tema="escuro"] {
    color-scheme: dark;
    --bg: #07111f;
    --surface: #0c1a29;
    --surface-soft: #102235;
    --surface-hover: #12283d;
    --text: #f3f6fa;
    --text-secondary: #aebdce;
    --primary: #4b82c2;
    --primary-hover: #5a8fcb;
    --border: #203f5d;
    --border-strong: #2c5479;
    --shadow: 0 14px 38px rgba(0, 0, 0, .24);
    --shadow-hover: 0 17px 34px rgba(0, 0, 0, .31);
    --focus: #6f9fd0;
    --success-bg: #102d23;
    --success-text: #9ed5b7;
    --success-border: #3f8c66;
    --error-bg: #321b22;
    --error-text: #f0aeb6;
    --error-border: #a95763;
}

html {
    min-height: 100%;
    background: var(--bg);
    scroll-behavior: smooth;
    transition: background-color .35s ease, color .35s ease;
}

html, body { margin: 0; width: 100%; }
html { scrollbar-gutter: stable; }

body {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: clamp(12px, 3vw, 28px);
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    transition: var(--transition-theme);
}

button { font: inherit; }
button:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.container { width: min(860px, 100%); margin: 0 auto; }
.tela { width: 100%; }
.escondido { display: none !important; }
.tela-visivel { animation: entradaTela 1.2s cubic-bezier(.22,.61,.36,1) both; }
.tela-visivel.transicao-tela-instantanea { animation: none !important; }
.tela-visivel.transicao-tela-pos-boas { animation: entradaTelaPosBoas 420ms cubic-bezier(.22,.61,.36,1) both; }

.tela-idioma,
.tela-selecao,
.card,
.resultado-final {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    transition: var(--transition-theme);
}

.tela-idioma,
.tela-selecao { position: relative; }

.tela-idioma {
    padding: clamp(30px, 6vw, 52px);
    text-align: center;
}

.logo-medico { font-size: clamp(40px, 8vw, 62px); line-height: 1; margin-bottom: 13px; }
.tela-idioma h1 { margin: 0; font-size: clamp(26px, 5vw, 37px); letter-spacing: -.03em; }
.subtitulo { color: var(--text-secondary); margin: 9px 0 28px; font-size: clamp(14px, 2.2vw, 17px); }
.tela-idioma h2 { margin: 0 0 20px; font-size: clamp(17px, 3vw, 21px); }

.botao-tema {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--surface-soft);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-theme), transform .2s ease;
}
.botao-tema:hover {
    color: var(--text);
    border-color: var(--border-strong);
    background: var(--surface-hover);
    box-shadow: 0 5px 13px rgba(30, 79, 140, .09);
    transform: translateY(-1px);
}
.botao-tema:active { transform: translateY(0); }
.tema-icone { width: 18px; height: 18px; display: inline-flex; align-items: center; justify-content: center; }
.tema-icone svg, .botao-configuracoes svg, .botao-pesquisa svg { display: block; flex: 0 0 auto; }

.selecao-botoes { display: flex; justify-content: center; align-items: center; gap: 13px; }
.botao-selecao {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 11px;
    cursor: pointer;
    transition: var(--transition-theme), transform .25s ease;
    min-height: 56px;
}
.botao-selecao:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: var(--surface-hover);
}
.botao-selecao:active { transform: translateY(0); }
.botao-selecao:disabled { opacity: .6; cursor: wait; transform: none; }
.botao-idioma { flex: 0 1 220px; padding: 14px 20px; font-weight: 700; }

.tela-selecao { padding: clamp(27px, 5vw, 44px); text-align: center; }
.cabecalho-selecao { margin-bottom: 24px; }
.icone-selecao { display: none; }
.cabecalho-selecao h1 { margin: 0; font-size: clamp(24px, 5vw, 34px); letter-spacing: -.025em; }
.cabecalho-selecao p { margin: 8px auto 0; color: var(--text-secondary); max-width: 600px; line-height: 1.45; }

.lista-selecao {
    width: min(480px, 100%);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
}

.botao-materia,
.botao-fase {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 14px 18px;
}
.botao-materia { gap: 10px; font-size: 17px; font-weight: 700; min-height: 60px; }
.botao-icone { display: none; }

/* Cartões de fase: nome da fase em cima e tema embaixo. */
.botao-fase {
    min-height: 84px;
    flex-direction: column;
    gap: 5px;
    line-height: 1.25;
}
.fase-numero { display: block; font-weight: 700; font-size: 16px; color: var(--text); }
.fase-tema { display: block; margin: 0; color: var(--text-secondary); font-size: 14px; line-height: 1.35; }

#lista-fases {
    width: min(700px, 100%);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
#lista-fases .botao-fase { min-width: 0; }

.btn-secundario {
    display: block;
    width: min(480px, 100%);
    margin: 18px auto 0;
    padding: 11px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface-soft);
    color: var(--text-secondary);
    cursor: pointer;
    text-align: center;
    transition: var(--transition-theme), transform .25s ease;
}
.btn-secundario:hover {
    background: var(--surface-hover);
    color: var(--text);
    border-color: var(--border-strong);
    transform: translateY(-1px);
}
.btn-secundario:active { transform: translateY(0); }
.mensagem-fases { min-height: 24px; margin: 14px auto 0; color: var(--error-text); line-height: 1.45; }

.cabecalho { text-align: center; margin-bottom: 14px; }
.cabecalho h1 { margin: 0; font-size: clamp(22px, 4vw, 30px); }
.cabecalho p { margin: 5px 0 0; color: var(--text-secondary); font-size: 14px; }

.status { display: grid; grid-template-columns: 1fr 1fr 2fr; gap: 10px; margin-bottom: 14px; }
.status.status-sem-grupo { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.status.status-sem-grupo div:last-child { grid-column: auto; }
.status #status-grupo[hidden] { display: none; }
.status div {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 11px;
    border-radius: 11px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(20, 45, 75, .05);
    min-width: 0;
    transition: var(--transition-theme);
}
.status span { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 3px; }
.status strong { display: block; font-size: 15px; overflow-wrap: anywhere; }

.card { padding: clamp(18px, 4vw, 30px); }
.tipo-questao { display: inline-block; padding: 6px 11px; border-radius: 18px; background: var(--surface-soft); border: 1px solid var(--border); color: var(--primary); font-size: 13px; font-weight: 700; margin-bottom: 14px; transition: var(--transition-theme); }
#pergunta { font-size: clamp(17px, 3vw, 22px); line-height: 1.45; margin: 0 0 20px; overflow-wrap: anywhere; }
.imagem-questao {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 0 20px;
    padding: 8px;
    box-sizing: border-box;
    border-radius: 14px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    overflow: hidden;
}
.imagem-questao[hidden] { display: none; }
.imagem-questao img,
.imagem-questao video {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: min(52vh, 520px);
    height: auto;
    object-fit: contain;
    border-radius: 10px;
}
.imagem-questao video {
    pointer-events: none;
    user-select: none;
}
.imagem-questao-item {
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 0;
}
.imagem-questao-item figcaption {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
}
.imagem-questao-item-erro {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
}
.imagem-questao-conjunto {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.imagem-questao-conjunto .imagem-questao-item img {
    width: 100%;
    max-width: 100%;
    max-height: min(32vh, 320px);
}
@media (max-width: 640px) {
    .imagem-questao-conjunto { grid-template-columns: 1fr; }
    .imagem-questao-conjunto .imagem-questao-item img { max-height: min(42vh, 360px); }
}
.imagem-questao.erro {
    min-height: 80px;
    color: var(--text-secondary);
    font-size: 13px;
    text-align: center;
}
.alternativas { display: flex; flex-direction: column; gap: 9px; }
.alternativa {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 10px;
    text-align: left;
    font-size: 15px;
    line-height: 1.35;
    cursor: pointer;
    overflow-wrap: anywhere;
    transition: var(--transition-theme), transform .2s ease;
}
.alternativa:hover { border-color: var(--primary); transform: translateY(-1px); background: var(--surface-hover); }
.alternativa.correta { border-color: var(--success-border); background: var(--success-bg); }
.alternativa.errada { border-color: var(--error-border); background: var(--error-bg); }
.alternativa:disabled { cursor: default; }
.feedback {
    min-height: 0;
    margin-top: 14px;
    padding: 14px;
    border-radius: 10px;
    line-height: 1.5;
    font-size: 14px;
    scroll-margin-top: 18px;
    transition: var(--transition-theme), opacity .25s ease, transform .25s ease;
}
.feedback.vazio { display: none; }
.feedback.certo { background: var(--success-bg); color: var(--success-text); border: 1px solid var(--success-border); animation: entradaFeedback .24s ease both; }
.feedback.errado { background: var(--error-bg); color: var(--error-text); border: 1px solid var(--error-border); animation: entradaFeedback .24s ease both; }

.btn-proxima, .btn-reiniciar {
    width: 100%;
    margin-top: 14px;
    padding: 13px;
    border: 1px solid var(--primary);
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-theme), transform .25s ease;
}
.btn-proxima:hover, .btn-reiniciar:hover { background: var(--primary-hover); border-color: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 7px 18px rgba(30, 79, 140, .16); }
.btn-proxima:active, .btn-reiniciar:active { transform: translateY(0); }
.btn-proxima:disabled { background: #aeb7c4; border-color: #aeb7c4; color: #f7f9fb; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-voltar-fases { margin-top: 10px; }

.resultado-final { margin-top: 14px; padding: clamp(22px, 5vw, 35px); text-align: center; }
.resultado-final h2 { margin-top: 0; font-size: clamp(22px, 4vw, 28px); }
.nota { margin: 22px 0; }
.nota span { display: block; color: var(--text-secondary); }
.nota strong { display: block; font-size: clamp(34px, 8vw, 46px); margin-top: 5px; }
.resumo { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.resumo div { padding: 12px; border-radius: 10px; background: var(--surface-soft); border: 1px solid var(--border); transition: var(--transition-theme); }
.resumo span { display: block; font-size: 12px; color: var(--text-secondary); }
.resumo strong { display: block; font-size: 21px; margin-top: 5px; }

@keyframes entradaTela {
    from { opacity: .9; }
    to { opacity: 1; }
}

@keyframes entradaTelaPosBoas {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes entradaFeedback {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
    body { align-items: flex-start; padding: 12px; }
    .container { margin: 0 auto; }
    .tela-idioma, .tela-selecao { margin: 0 auto; }
    .selecao-botoes { flex-direction: column; }
    .botao-idioma { width: 100%; flex-basis: auto; }
    #lista-fases { grid-template-columns: 1fr; gap: 12px; }
    .status { grid-template-columns: 1fr 1fr; }
    .status div:last-child { grid-column: 1 / -1; }
    .resumo { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .botao-tema { top: 10px; right: 10px; }
    .tema-texto { display: none; }
    .tela-idioma { padding-top: 58px; }
    .tela-selecao { padding-top: 58px; }
}

@media (max-width: 360px) {
    body { padding: 8px; }
    .tela-idioma, .tela-selecao, .card, .resultado-final { border-radius: 14px; }
    .tela-idioma, .tela-selecao { padding-left: 15px; padding-right: 15px; }
    .card { padding: 15px; }
    .botao-selecao { min-height: 54px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================================
   REFINAMENTO RESPONSIVO E CONFIGURAÇÕES — camada visual
   ============================================================ */
:root {
    --font-scale: 1;
    --container-max: 860px;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
}

html[data-fonte="pequena"] { --font-scale: .92; }
html[data-fonte="normal"] { --font-scale: 1; }
html[data-fonte="grande"] { --font-scale: 1.10; }
html[data-fonte="muito-grande"] { --font-scale: 1.22; }

html, body { max-width: 100%; }
body {
    padding-top: max(clamp(12px, 3vw, 28px), var(--safe-top));
    padding-right: max(clamp(12px, 3vw, 28px), var(--safe-right));
    padding-bottom: max(clamp(12px, 3vw, 28px), var(--safe-bottom));
    padding-left: max(clamp(12px, 3vw, 28px), var(--safe-left));
}

.container { width: min(var(--container-max), 100%); min-width: 0; }
.tela, .tela-idioma, .tela-selecao, .card, .resultado-final { max-width: 100%; min-width: 0; }

/* O idioma ganha controles nos dois cantos superiores. */
.acoes-superiores {
    position: absolute;
    inset: 15px 15px auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: none;
    z-index: 2;
}
.acoes-superiores > * { pointer-events: auto; }
.acoes-superiores .botao-tema { position: static; }
.botao-configuracoes {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--surface-soft);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 17px;
    line-height: 1;
    transition: var(--transition-theme), transform .2s ease;
}
.botao-configuracoes:hover {
    color: var(--text);
    border-color: var(--border-strong);
    background: var(--surface-hover);
    box-shadow: 0 5px 13px rgba(30, 79, 140, .09);
    transform: translateY(-1px);
}
.botao-configuracoes:active { transform: translateY(0); }

/* Escala tipográfica sem alterar o conteúdo ou os dados. */
.tela-idioma h1 { font-size: calc(clamp(26px, 5vw, 37px) * var(--font-scale)); }
.tela-idioma h2 { font-size: calc(clamp(17px, 3vw, 21px) * var(--font-scale)); }
.subtitulo { font-size: calc(clamp(14px, 2.2vw, 17px) * var(--font-scale)); }
.cabecalho-selecao h1 { font-size: calc(clamp(24px, 5vw, 34px) * var(--font-scale)); }
.cabecalho-selecao p { font-size: calc(16px * var(--font-scale)); }
.botao-selecao { font-size: calc(16px * var(--font-scale)); }
.botao-idioma { font-size: calc(16px * var(--font-scale)); }
.botao-materia { font-size: calc(17px * var(--font-scale)); }
.fase-numero { font-size: calc(16px * var(--font-scale)); }
.fase-tema { font-size: calc(14px * var(--font-scale)); }
.btn-secundario { font-size: calc(15px * var(--font-scale)); }
.cabecalho h1 { font-size: calc(clamp(22px, 4vw, 30px) * var(--font-scale)); }
.cabecalho p { font-size: calc(14px * var(--font-scale)); }
.status span { font-size: calc(12px * var(--font-scale)); }
.status strong { font-size: calc(15px * var(--font-scale)); }
#pergunta { font-size: calc(clamp(17px, 3vw, 22px) * var(--font-scale)); }
.alternativa { font-size: calc(15px * var(--font-scale)); }
.feedback { font-size: calc(14px * var(--font-scale)); }
.tipo-questao { font-size: calc(13px * var(--font-scale)); }
.btn-proxima, .btn-reiniciar { font-size: calc(15px * var(--font-scale)); }
.resultado-final h2 { font-size: calc(clamp(22px, 4vw, 28px) * var(--font-scale)); }
.nota span, .resumo span { font-size: calc(12px * var(--font-scale)); }
.resumo strong { font-size: calc(21px * var(--font-scale)); }

/* Configurações */
.configuracoes-lista {
    width: min(680px, 100%);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: left;
}
.configuracao-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(14px, 4vw, 28px);
    padding: clamp(14px, 3vw, 18px);
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: var(--transition-theme), transform .2s ease;
    min-width: 0;
}
.configuracao-item:hover { border-color: var(--border-strong); }
.configuracao-texto { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.configuracao-cabecalho {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}
.configuracao-icone {
    flex: 0 0 auto;
    color: var(--primary);
}
.configuracao-texto strong { font-size: calc(16px * var(--font-scale)); }
.configuracao-texto span { color: var(--text-secondary); font-size: calc(13px * var(--font-scale)); line-height: 1.4; overflow-wrap: anywhere; }
.configuracao-seguranca {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
}
.configuracao-opcao-seguranca {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 0 0;
    border: 0;
    border-top: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    cursor: default;
    text-align: left;
    font: inherit;
}
.configuracao-opcao-icone {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    border-radius: 9px;
    color: var(--primary);
    background: var(--surface);
}
.configuracao-opcao-texto {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}
.configuracao-opcao-texto strong { font-size: calc(14px * var(--font-scale)); }
.configuracao-opcao-texto span {
    color: var(--text-secondary);
    font-size: calc(13px * var(--font-scale));
    line-height: 1.4;
    overflow-wrap: anywhere;
}
.configuracao-opcao-seta {
    flex: 0 0 auto;
    color: var(--text-secondary);
}
.botao-config-opcao {
    flex: 0 0 auto;
    min-width: 118px;
    min-height: 40px;
    padding: 8px 13px;
    border: 1px solid var(--border-strong);
    border-radius: 9px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-size: calc(13px * var(--font-scale));
    font-weight: 650;
    transition: var(--transition-theme), transform .2s ease;
}
.botao-config-opcao:hover { border-color: var(--primary); background: var(--surface-hover); transform: translateY(-1px); }
.botao-config-opcao:active { transform: translateY(0); }
.controle-fonte {
    display: grid;
    grid-template-columns: repeat(4, minmax(42px, 1fr));
    gap: 6px;
    flex: 0 1 270px;
}
.botao-fonte {
    min-width: 0;
    min-height: 40px;
    padding: 7px 8px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-size: calc(14px * var(--font-scale));
    transition: var(--transition-theme), transform .2s ease;
}
.botao-fonte:hover { border-color: var(--primary); background: var(--surface-hover); transform: translateY(-1px); }
.botao-fonte:active { transform: translateY(0); }
.botao-fonte.ativo { border-color: var(--primary); background: var(--primary); color: #fff; }
.valor-config {
    flex: 0 0 auto;
    color: var(--primary);
    font-size: calc(14px * var(--font-scale));
    font-weight: 700;
}

/* Evita overflow de palavras/strings excepcionalmente longas. */
h1, h2, h3, p, button, span, strong { max-width: 100%; overflow-wrap: anywhere; }
button { min-width: 0; }

/* Breakpoints adicionais para tablets e telas muito estreitas. */
@media (max-width: 720px) {
    #lista-fases { width: min(100%, 620px); }
}

@media (max-width: 600px) {
    .acoes-superiores { inset: 10px 10px auto; }
    .tela-idioma { padding-top: 62px; }
    .botao-tema { min-width: 36px; }
    .botao-configuracoes { width: 36px; height: 36px; }
    .configuracao-item { align-items: flex-start; flex-direction: column; }
    .botao-config-opcao, .controle-fonte, .valor-config { width: 100%; }
    .controle-fonte { flex-basis: auto; }
}

@media (max-width: 400px) {
    body { padding-top: max(8px, var(--safe-top)); padding-bottom: max(8px, var(--safe-bottom)); }
    .tela-idioma, .tela-selecao { padding-left: 12px; padding-right: 12px; }
    .card { padding: 13px; }
    .status { gap: 7px; }
    .alternativa { padding: 11px 12px; }
    .controle-fonte { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (orientation: landscape) and (max-height: 600px) {
    body { align-items: flex-start; }
    .tela-idioma, .tela-selecao { padding-top: 52px; padding-bottom: 22px; }
    .logo-medico { margin-bottom: 8px; }
    .tela-idioma .subtitulo { margin-bottom: 16px; }
    .cabecalho-selecao { margin-bottom: 16px; }
}

@media (min-width: 1200px) {
    .container { width: min(900px, 100%); }
}

@media (prefers-reduced-motion: reduce) {
    .tela-visivel { animation: none !important; }
}


/* Restauração da sessão: só o destino confirmado pode ser revelado. */
.app-startup { display: none; }
html[data-app-startup] body > :not(#app-startup):not(script) { display: none !important; }
html[data-app-startup] .app-startup {
    display: flex; min-height: 100dvh; box-sizing: border-box; padding: 24px;
    flex-direction: column; align-items: center; justify-content: center; gap: 24px;
    color: var(--text); text-align: center;
}
.app-startup-logo { width: min(240px, 60vw); height: auto; }
.app-startup-logo-dark { display: none; }
html[data-tema="escuro"] .app-startup-logo-light { display: none; }
html[data-tema="escuro"] .app-startup-logo-dark { display: block; }
.app-startup-error { display: none; max-width: 420px; }
.app-startup-error p { line-height: 1.5; color: var(--text-secondary); }
html[data-app-startup="error"] .app-startup-error { display: block; }