html, body {
    margin: 0; padding: 0; width: 100%; height: 100%; overflow: hidden;
    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: #8E44AD; /* ROXO NOMINAL */
    --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 - ROXO NOMINAL)
   ======================================================= */
[data-theme="dark"] {
    --card-bg: #1e293b;
    --bg-light: #0f172a;
    --primary: #f8fafc;
    --secondary: #94a3b8;
    --accent: #c084fc;
}

[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;
}

.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); } }

.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; }
.theme-selector { display: grid; gap: 8px; margin-top: 8px; }
.theme-label { display: block; cursor: pointer; margin: 0; -webkit-tap-highlight-color: transparent; }
.class-chk { display: none; }
.theme-btn {
    background: white; border: 2px solid #DEE2E6; padding: 12px 6px; border-radius: 10px;
    text-align: center; font-size: 0.85rem; color: var(--secondary); font-weight: 600; transition: all 0.2s; user-select: none;
}
.class-chk:checked + .theme-btn {
    background: rgba(142, 68, 173, 0.08); color: var(--accent); border-color: var(--accent); font-weight: 800;
}
.theme-label:active .theme-btn { transform: scale(0.96); }

.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; }

.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(142, 68, 173, 0.2);
}
.btn-main:active { transform: translateY(2px); box-shadow: 0 2px 6px rgba(142, 68, 173, 0.2); }
.btn-main:disabled { background: #CED4DA; color: #6C757D; cursor: not-allowed; box-shadow: none; }

.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(142, 68, 173, 0.1); padding: 6px 14px; border-radius: 20px; }

.verb-display { text-align: center; margin: 10px 0 20px 0; transition: opacity 0.25s ease; }
.tag-dica { font-size: 0.75rem; font-weight: 800; color: var(--accent); text-transform: uppercase; margin-bottom: 8px; display: inline-block; letter-spacing: 1px; background: rgba(142, 68, 173, 0.1); padding: 4px 10px; border-radius: 8px; }
.verb-grego { font-family: "Palatino Linotype", "Book Antiqua", Palatino, serif; font-size: 3.2rem; font-weight: bold; margin: 0; color: var(--primary); letter-spacing: 1px; }
.lema-dica { margin-top: 8px; font-size: 0.95rem; color: var(--secondary); }

/* SELETOR DE GÊNERO (Passo 1) */
.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(142, 68, 173, 0.3);
}

/* Grid 4x2 de Casos */
.grid-respostas-casos { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: auto; }
.btn-resposta {
    background: var(--bg-light); color: var(--primary); border: 2px solid #E9ECEF; padding: 12px 6px;
    font-size: 1rem; font-weight: 700; border-radius: 10px; cursor: pointer;
    display: flex; flex-direction: column; align-items: center; gap: 2px; transition: all 0.2s; -webkit-tap-highlight-color: transparent;
}
.btn-resposta span { font-size: 0.75rem; color: var(--secondary); font-weight: 600; }
.btn-resposta:active { transform: scale(0.95); }

.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); }

@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; }

.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; }