main {
    /* flex: 1; */
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 2rem;
    background-color: var(--primary-background-color);
}

/* ======== CONTENEDOR DEL EXAMEN ======== */
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px;
    min-width: 60rem;
    background-color: var(--bg-container);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* ======== BARRA DE PROGRESO ======== */
.progress-container {
    width: 100%;
    background-color: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
}

#progress-bar {
    height: 10px;
    background-color: var(--primary-color);
    width: 0;
    transition: width 0.3s ease;
}

#progress-text {
    font-size: 14px;
    margin-top: 5px;
}

/* ======== OPCIONES ======== */

#question-text {
    margin: 1rem;
}

#options-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.option {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    background-color: var(--bg-option);
    border: 2px;
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    min-height: 60px;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.2;
    box-sizing: border-box;
}

.option:hover {
    background-color: var(--bg-option-hover);
}

.option.correct {
    background-color: var(--green-color);
    border-color: var(--green-color);
    color: white;
}

.option.incorrect {
    background-color: var(--red-color);
    border-color: var(--red-color);
    color: white;
}

/* ======== FEEDBACK ======== */
.feedback {
    margin-top: 15px;
    padding: 10px;
    background-color: var(--bg-feedback);
    border-left: 5px solid var(--primary-color);
    text-align: left;
    font-size: 14px;
}

/* ======== BOTONES ======== */
.btn{
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    width: 180px;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    margin-top: 15px;
}

.btn:hover {
    background-color: var(--green-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
}

.btn-return:hover{
    background-color: var(--red-color);
    transform: translateY(2px);
    box-shadow: 0 -5px 10px rgba(0, 0, 0, .25);
}

/* ======== BOTÓN SIGUIENTE ======== */
#next-btn {
    margin-top: 1em;
}

/* ======== RESULTADO FINAL ======== */
#result-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

#incorrect-answers-container {
    max-height: 300px;
    overflow-y: auto;
    width: 100%;
    margin-top: 15px;
    padding-right: 5px;
}

.result-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 15px;
}

/* ======== OCULTAR ELEMENTOS ======== */
.hidden {
    display: none !important;
}