/* =======================================================
   1. OTIMIZAÇÃO PARA IFRAME E BASE DO SISTEMA
   ======================================================= */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden; /* Previne scroll indesejado dentro do iframe */
    background-color: transparent; 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

:root {
    --card-bg: #FFFFFF;
    --bg-light: #F8F9FA;
    --primary: #2B2D42;
    --secondary: #8D99AE;
    --accent: #4361EE;
    --accent-hover: #3A56D4;
    --success: #20BF55;
    --success-light: rgba(32, 191, 85, 0.1);
    --danger: #EF233C;
    --danger-light: rgba(239, 35, 60, 0.1);
    --border-radius: 14px;
}

/* =======================================================
   SUPORTE AO MODO ESCURO (DARK MODE)
   ======================================================= */
[data-theme="dark"] {
    --card-bg: #1e293b;
    --bg-light: #0f172a;
    --primary: #f8fafc;
    --secondary: #94a3b8;
    --accent: #60a5fa;
    --accent-hover: #3b82f6;
}

[data-theme="dark"] .option-group,
[data-theme="dark"] .progress-badge,
[data-theme="dark"] .btn-resposta {
    background: #0f172a;
    border-color: #334155;
    color: var(--primary);
}

[data-theme="dark"] .theme-btn,
[data-theme="dark"] .option-group select {
    background: #1e293b;
    border-color: #334155;
    color: var(--primary);
}

.app-container {
    background: var(--card-bg);
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

/* =======================================================
   2. CONTROLE DE TELAS (SPA VIBE)
   ======================================================= */
.screen { 
    display: none; 
    flex-direction: column; 
    height: 100%; 
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}
.screen.active { 
    display: flex; 
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =======================================================
   3. TELA DE SETUP E CONFIGURAÇÕES
   ======================================================= */
.setup-title { 
    text-align: center; 
    color: var(--primary); 
    margin: 0 0 5px 0; 
    font-size: 1.6rem; 
    font-weight: 800;
}
.setup-subtitle { 
    text-align: center; 
    color: var(--secondary); 
    margin: 0 0 25px 0; 
    font-size: 0.95rem;
}

.option-group { 
    background: var(--bg-light); 
    padding: 16px; 
    border-radius: var(--border-radius); 
    margin-bottom: 16px; 
    border: 1px solid #E9ECEF;
}

/* UI/UX: Estilo "Segmented Pills" para Checkboxes/Radios */
.theme-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 8px;
}
.theme-label {
    display: block;
    cursor: pointer;
    margin: 0;
    -webkit-tap-highlight-color: transparent;
}
/* Esconde a caixa padrão do HTML na Tela de Setup */
.theme-chk, .voice-chk-setup, .tense-chk-setup {
    display: none; 
}

/* Estilo do botão falso */
.theme-btn {
    background: white;
    border: 2px solid #DEE2E6;
    padding: 10px 8px;
    border-radius: 10px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--secondary);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    font-weight: 500;
}

/* Efeito quando selecionado (Corrige a cor e as bordas) */
.theme-chk:checked + .theme-btn, 
.voice-chk-setup:checked + .theme-btn,
.tense-chk-setup:checked + .theme-btn {
    background: rgba(67, 97, 238, 0.08);
    color: var(--accent);
    border-color: var(--accent);
    font-weight: 700;
}

/* Feedback de clique nativo de app */
.theme-label:active .theme-btn {
    transform: scale(0.96);
}

/* Modo de Jogo e Select */
.option-group > label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px 0;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
}
.option-group select { 
    width: 100%; 
    padding: 12px; 
    border-radius: 8px; 
    border: 1px solid #DEE2E6; 
    font-size: 1rem; 
    margin-top: 8px; 
    background: white; 
    color: var(--primary);
    font-weight: 500;
    outline: none;
}
.option-group select:focus {
    border-color: var(--accent);
}

/* Botão de Ação Principal */
.btn-main {
    background: var(--accent); 
    color: white; 
    border: none; 
    padding: 18px; 
    font-size: 1.1rem;
    border-radius: var(--border-radius); 
    cursor: pointer; 
    font-weight: 700; 
    width: 100%;
    transition: all 0.2s; 
    margin-top: 10px;
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.2);
}
.btn-main:active { 
    transform: translateY(2px);
    box-shadow: 0 2px 6px rgba(67, 97, 238, 0.2);
}
.btn-main:disabled { 
    background: #CED4DA; 
    color: #6C757D;
    cursor: not-allowed; 
    box-shadow: none;
}

/* =======================================================
   4. TELA DE QUIZ (TREINO)
   ======================================================= */
.top-bar {
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    font-weight: 700; 
    font-size: 1rem; 
    color: var(--primary); 
    margin-bottom: auto;
}
.progress-badge {
    background: var(--bg-light); 
    padding: 6px 14px; 
    border-radius: 20px; 
    color: var(--secondary); 
    font-size: 0.9rem;
    border: 1px solid #E9ECEF;
}
.score-board { 
    color: var(--accent); 
    background: rgba(67, 97, 238, 0.1); 
    padding: 6px 14px; 
    border-radius: 20px; 
}

/* Display da Palavra Grega */
.verb-display { 
    text-align: center; 
    margin: 20px 0 30px 0; 
    transition: opacity 0.25s ease; 
}
#indicador-voz {
    font-size: 0.75rem; 
    font-weight: 800; 
    color: var(--accent); 
    text-transform: uppercase; 
    margin-bottom: 8px; 
    display: block;
    letter-spacing: 1px;
}
.verb-grego { 
    font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif; 
    font-size: 3.5rem; 
    font-weight: bold; 
    margin: 0; 
    color: var(--primary); 
    letter-spacing: 1px;
}
.lema-dica { 
    margin-top: 12px; 
    font-size: 0.95rem; 
    color: var(--secondary); 
}

/* Grid de Respostas 3x2 */
.grid-respostas { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 12px; 
    margin-bottom: auto; 
}
.btn-resposta {
    background: var(--bg-light); 
    color: var(--primary); 
    border: 2px solid #E9ECEF; 
    padding: 16px 10px;
    font-size: 1.05rem; 
    font-weight: 700; 
    border-radius: 12px; 
    cursor: pointer;
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    gap: 4px; 
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
}
.btn-resposta span { 
    font-size: 0.8rem; 
    color: var(--secondary); 
    font-weight: 600; 
}
.btn-resposta:active { 
    transform: scale(0.95); 
}

/* Estados de Acerto e Erro */
.btn-resposta.correct { 
    background: var(--success-light); 
    border-color: var(--success); 
    color: var(--success); 
}
.btn-resposta.correct span { color: var(--success); }

.btn-resposta.wrong { 
    background: var(--danger-light); 
    border-color: var(--danger); 
    color: var(--danger); 
}
.btn-resposta.wrong span { color: var(--danger); }

/* Animação de Erro (Tremida) */
@keyframes shake { 
    0%, 100% { transform: translateX(0); } 
    20%, 60% { transform: translateX(-6px); } 
    40%, 80% { transform: translateX(6px); } 
}
.shake { 
    animation: shake 0.4s ease-in-out; 
}

/* =======================================================
   5. TELA FINAL (RESULTADOS)
   ======================================================= */
.end-title { 
    font-size: 2.2rem; 
    color: var(--success); 
    text-align: center; 
    margin-bottom: 5px; 
}
.end-score { 
    font-size: 1.1rem; 
    text-align: center; 
    color: var(--secondary); 
    margin-bottom: 40px; 
}
.end-score strong { 
    font-size: 3rem; 
    color: var(--primary); 
    display: block; 
    margin-top: 10px; 
}

/* =======================================================
   PASSO 1 DE RESPOSTA (Seletor de Voz no Quiz)
   ======================================================= */
.voice-answer-selector {
    display: grid;
    gap: 10px;
    margin-bottom: 15px;
    background: var(--bg-light);
    padding: 6px;
    border-radius: 12px;
    border: 2px solid transparent;
    transition: all 0.3s;
}
/* Classes aplicadas pelo JS */
.grid-2-cols { grid-template-columns: 1fr 1fr; }
.grid-3-cols { grid-template-columns: 1fr 1fr 1fr; }

.voice-answer-selector.error-shake {
    border-color: var(--danger);
    animation: shake 0.4s ease-in-out;
}

.voice-answer-label { 
    cursor: pointer; 
    margin: 0; 
    -webkit-tap-highlight-color: transparent;
}

/* Esconde as bolinhas nativas de radio */
.voice-answer-label input[type="radio"] { 
    display: none; 
}

.voice-answer-btn {
    text-align: center;
    padding: 12px 10px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary);
    transition: all 0.2s;
}

/* DEIXA SUPER ÓBVIO QUAL ESTÁ SELECIONADO */
.voice-answer-label input[type="radio"]:checked + .voice-answer-btn {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

/* Esconde as caixas padrão do HTML */
.theme-chk, 
.voice-chk-setup, 
.tense-chk-setup, 
.mood-chk-setup {
    display: none; 
}

/* Efeito quando selecionado (Corrige a cor e as bordas) */
.theme-chk:checked + .theme-btn, 
.voice-chk-setup:checked + .theme-btn,
.tense-chk-setup:checked + .theme-btn,
.mood-chk-setup:checked + .theme-btn {
    background: rgba(67, 97, 238, 0.08);
    color: var(--accent);
    border-color: var(--accent);
    font-weight: 700;
}

/* ==========================================
   PASSO 2B: GRID DE CASOS (PARTICÍPIO)
   ========================================== */
.grid-respostas-casos { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 8px; 
    margin-bottom: auto; 
}

/* Estilo do seletor de gênero do Particípio */
.gender-answer-selector {
    display: grid; 
    grid-template-columns: 1fr 1fr 1fr; 
    gap: 8px; 
    margin-bottom: 12px;
    background: var(--bg-light); 
    padding: 6px; 
    border-radius: 12px; 
    border: 2px solid transparent; 
    transition: border-color 0.3s;
}
.gender-answer-selector.error-shake { border-color: var(--danger); animation: shake 0.4s ease-in-out; }
.gender-answer-label { cursor: pointer; margin: 0; -webkit-tap-highlight-color: transparent; }
.gender-answer-label input { display: none; }
.gender-answer-btn {
    text-align: center; padding: 10px 4px; border-radius: 8px; font-size: 0.85rem; font-weight: 700; color: var(--secondary); transition: all 0.2s;
}
.gender-answer-label input:checked + .gender-answer-btn {
    background: var(--accent); color: white; box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}
/* ==========================================
   FILTROS E BOTÕES SELECIONÁVEIS (SETUP)
   ========================================== */

/* Usa auto-fit: cria colunas automaticamente dependendo do tamanho da tela! */
.theme-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); 
    gap: 10px;
    margin-top: 10px;
}

.theme-label {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    display: block; /* Garante que ocupa o espaço inteiro */
}

/* 1. ESCONDE O CHECKBOX NATIVO DO NAVEGADOR */
.theme-label input[type="checkbox"],
.theme-label input[type="radio"] {
    display: none;
}

/* 2. ESTILO DO BOTÃO DESLIGADO (CINZA/CLARO) */
/* .theme-btn {
    background: var(--bg-main, #f0f4f8);
    border: 2px solid transparent;
    padding: 12px 10px;
    border-radius: 10px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted, #6c757d);
    transition: all 0.2s ease-in-out;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
} */

/* 3. ESTILO DO BOTÃO LIGADO (COR ATIVA) */
.theme-label input:checked + .theme-btn {
    /* Troque para a cor azul do seu App Azul */
    background: rgba(0, 119, 182, 0.1); 
    color: var(--accent, #0077b6);
    border-color: var(--accent, #0077b6);
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0, 119, 182, 0.15);
}

/* Efeito de hover suave para quem usa no PC */
.theme-label:hover .theme-btn {
    transform: translateY(-2px);
}
.theme-label input:checked:hover + .theme-btn {
    transform: translateY(0);
}

.warning-pulse {
    background-color: rgba(255, 193, 7, 0.2) !important;
    border: 2px solid #ffc107 !important;
    border-radius: 8px;
    transition: all 0.3s;
}