:root {
    /* Variáveis Padrão (Tema Light/Default) */
    --quiz-bg: #fff;
    --quiz-text: #333;
    --quiz-desc: #555;
    --quiz-primary: #0073aa;
    --quiz-primary-hover: #005177;
    --quiz-border: #e5e5e5;
    --quiz-option-bg: #fff;
    --quiz-option-border: #eef2f5;
    --quiz-option-hover-bg: #f8fbff;
    --quiz-option-hover-border: #bce0fd;
    --quiz-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

/* TEMA: Dark Mode */
.theme-dark {
    --quiz-bg: #1e1e1e;
    --quiz-text: #f0f0f0;
    --quiz-desc: #ccc;
    --quiz-primary: #4a90e2;
    --quiz-primary-hover: #357abd;
    --quiz-border: #444;
    --quiz-option-bg: #2d2d2d;
    --quiz-option-border: #444;
    --quiz-option-hover-bg: #383838;
    --quiz-option-hover-border: #5a9bd4;
    --quiz-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

/* TEMA: Minimalista */
.theme-minimal {
    --quiz-bg: #f9f9f9;
    --quiz-text: #222;
    --quiz-desc: #444;
    --quiz-primary: #333;
    --quiz-primary-hover: #000;
    --quiz-border: transparent;
    --quiz-option-bg: #fff;
    --quiz-option-border: #ddd;
    --quiz-option-hover-bg: #fff;
    --quiz-option-hover-border: #333;
    --quiz-shadow: none;
}
.quizjtec-container.theme-minimal { border: none; }

/* TEMA: Estilo Envelope (Airmail) */
.theme-airmail {
    --quiz-bg: #fffaf0;
    --quiz-text: #333;
    --quiz-primary: #d32f2f;
    --quiz-primary-hover: #b71c1c;
    --quiz-border: transparent;
}
.quizjtec-container.theme-airmail {
    background-image: repeating-linear-gradient(135deg, #F24423, #F24423 10px, transparent 10px, transparent 20px, #035AA6 20px, #035AA6 30px, transparent 30px, transparent 40px);
    padding: 10px;
    border-radius: 0;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}
.quizjtec-container.theme-airmail::before {
    content: ""; display: block; background: var(--quiz-bg);
    position: absolute; top: 10px; left: 10px; right: 10px; bottom: 10px; z-index: 0;
}
.quizjtec-container.theme-airmail > * { position: relative; z-index: 1; }

/* TEMA: Estilo Pop */
.theme-pop {
    --quiz-bg: #fff;
    --quiz-text: #111;
    --quiz-primary: #6200ea;
    --quiz-primary-hover: #3700b3;
    --quiz-border: transparent;
}
.quizjtec-container.theme-pop {
    border: 5px solid transparent;
    border-image: linear-gradient(to right, #6200ea, #03dac6) 1;
    box-shadow: 10px 10px 0px rgba(98, 0, 234, 0.2);
    border-radius: 0;
}

/* --- ESTRUTURA PRINCIPAL --- */
.quizjtec-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 40px;
    background: var(--quiz-bg);
    color: var(--quiz-text);
    border: 1px solid var(--quiz-border);
    box-shadow: var(--quiz-shadow);
    border-radius: 12px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    position: relative;
    overflow: hidden;
    min-height: 350px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Badge de "Quiz Interativo" */
.quizjtec-badge {
    display: inline-block;
    background: #ffeb3b;
    color: #000;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 4px;
    letter-spacing: 1px;
    margin-bottom: 10px;
    align-self: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Animação Botão */
@keyframes quizPulse {
    0% { transform: scale(1); box-shadow: 0 4px 6px rgba(0,0,0,0.2); }
    50% { transform: scale(1.05); box-shadow: 0 8px 15px rgba(0,0,0,0.3); }
    100% { transform: scale(1); box-shadow: 0 4px 6px rgba(0,0,0,0.2); }
}
#screen-start .quizjtec-btn { animation: quizPulse 2s infinite; }

/* Demais estilos */
.quizjtec-title { font-size: 28px; margin-bottom: 20px; color: var(--quiz-text); font-weight: 700; line-height: 1.3; }
.quizjtec-desc { font-size: 18px; margin-bottom: 30px; color: var(--quiz-desc); line-height: 1.6; max-width: 90%; margin: 0 auto 30px; }
.quizjtec-progress-bar { height: 8px; background: rgba(127,127,127,0.2); margin-bottom: 30px; border-radius: 4px; overflow: hidden; width: 100%; }
.quizjtec-progress-fill { height: 100%; background: var(--quiz-primary); width: 0%; transition: width 0.4s ease; }
.quizjtec-options { list-style: none; padding: 0; margin: 0 auto 30px auto; max-width: 500px; text-align: left; }
.quizjtec-option-item { margin-bottom: 12px; }
.quizjtec-option-label { display: flex; align-items: center; gap: 15px; padding: 15px 20px; border: 2px solid var(--quiz-option-border); background: var(--quiz-option-bg); color: var(--quiz-text); border-radius: 8px; cursor: pointer; transition: all 0.2s ease; font-size: 16px; text-align: left; }
.quizjtec-option-label:hover { border-color: var(--quiz-option-hover-border); background: var(--quiz-option-hover-bg); transform: translateY(-2px); }
.quizjtec-warning-text { font-size: 13px; color: #999; margin-top: 20px; font-style: italic; }
.quizjtec-option-input:checked + span { font-weight: 600; color: var(--quiz-primary); }
.quizjtec-btn { display: inline-block; padding: 15px 40px; background-color: var(--quiz-primary); color: #fff; border: none; border-radius: 50px; font-size: 18px; font-weight: 600; cursor: pointer; transition: background 0.2s, transform 0.1s; text-decoration: none; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2); }
.quizjtec-btn:hover { background-color: var(--quiz-primary-hover); transform: translateY(-1px); }
.quizjtec-btn:active { transform: translateY(1px); }
.quizjtec-btn:disabled { background-color: #ccc; cursor: not-allowed; box-shadow: none; transform: none; }
@media (max-width: 600px) { .quizjtec-container { padding: 20px; margin: 20px 10px; } .quizjtec-title { font-size: 22px; } .quizjtec-desc { font-size: 16px; } .quizjtec-btn { width: 100%; } }