/* ============================================
   QUIZ STYLES
   ============================================ */

/* Quiz Container */
.quiz-container {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    z-index: 10000;
    padding: 20px;
    overflow-y: auto;
}

.quiz-container.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Quiz Modal */
.quiz-modal {
    background: var(--card-bg);
    border-radius: 20px;
    max-width: 700px;
    width: 100%;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
    animation: quizFadeIn 0.3s ease;
}

@keyframes quizFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Close Button */
.quiz-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 32px;
    color: var(--card-text);
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    padding: 5px 10px;
    line-height: 1;
}

.quiz-close:hover {
    opacity: 1;
}

/* Quiz Header */
.quiz-header {
    text-align: center;
    margin-bottom: 25px;
}

.quiz-title {
    color: var(--header-color);
    font-size: 1.8em;
    margin-bottom: 10px;
}

.quiz-category {
    display: inline-block;
    padding: 6px 16px;
    background: var(--section-bg);
    color: var(--section-text);
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 600;
    margin-bottom: 10px;
}

.quiz-progress {
    color: var(--card-text);
    font-size: 0.95em;
    opacity: 0.8;
    margin-top: 5px;
}

/* Progress Bar */
.quiz-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--section-bg);
    border-radius: 10px;
    overflow: hidden;
    margin-top: 15px;
}

.quiz-progress-fill {
    height: 100%;
    background: var(--badge-bg);
    border-radius: 10px;
    transition: width 0.3s ease;
}

/* Question Area */
.quiz-question {
    margin: 25px 0;
}

.quiz-question-text {
    font-size: 1.2em;
    color: var(--card-text);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Options */
.quiz-options {
    display: grid;
    gap: 12px;
}

.quiz-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: var(--card-bg);
    border: 2px solid var(--section-bg);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
    font-size: 1em;
    color: var(--card-text);
}

.quiz-option:hover:not(:disabled) {
    border-color: var(--badge-bg);
    transform: translateX(5px);
}

.quiz-option:disabled {
    cursor: not-allowed;
}

.quiz-option.correct {
    background: rgba(16, 185, 129, 0.15);
    border-color: #10b981;
}

.quiz-option.incorrect {
    background: rgba(239, 68, 68, 0.15);
    border-color: #ef4444;
}

.quiz-option-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--section-bg);
    border-radius: 8px;
    font-weight: 700;
    color: var(--header-color);
    flex-shrink: 0;
}

.quiz-option.correct .quiz-option-letter {
    background: #10b981;
    color: white;
}

.quiz-option.incorrect .quiz-option-letter {
    background: #ef4444;
    color: white;
}

.quiz-option-text {
    flex: 1;
}

/* Feedback */
.quiz-feedback {
    display: none;
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
}

.quiz-feedback.correct {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid #10b981;
}

.quiz-feedback.incorrect {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid #ef4444;
}

.quiz-feedback-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.quiz-feedback-icon {
    font-size: 1.5em;
    font-weight: bold;
}

.quiz-feedback.correct .quiz-feedback-icon {
    color: #10b981;
}

.quiz-feedback.incorrect .quiz-feedback-icon {
    color: #ef4444;
}

.quiz-feedback-text {
    font-weight: 600;
    font-size: 1.1em;
    color: var(--card-text);
}

.quiz-explanation {
    color: var(--card-text);
    line-height: 1.6;
    opacity: 0.9;
}

/* Controls */
.quiz-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

.quiz-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.quiz-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.quiz-btn-primary {
    background: var(--badge-bg);
    color: var(--badge-text);
}

.quiz-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.quiz-btn-secondary {
    background: var(--section-bg);
    color: var(--section-text);
}

.quiz-btn-secondary:hover:not(:disabled) {
    background: var(--badge-bg);
    color: var(--badge-text);
}

/* Results */
.quiz-results {
    display: none;
    text-align: center;
    padding: 30px 0;
}

.quiz-results-title {
    font-size: 1.5em;
    color: var(--header-color);
    margin-bottom: 20px;
}

.quiz-score {
    font-size: 3em;
    font-weight: 700;
    color: var(--card-text);
    margin-bottom: 10px;
}

.quiz-percentage {
    font-size: 2em;
    font-weight: 600;
    padding: 10px 25px;
    border-radius: 15px;
    display: inline-block;
    margin-bottom: 20px;
}

.quiz-percentage.excellent {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.quiz-percentage.good {
    background: rgba(251, 191, 36, 0.15);
    color: #f59e0b;
}

.quiz-percentage.needs-work {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.quiz-results-message {
    color: var(--card-text);
    font-size: 1.1em;
    margin-bottom: 25px;
}

/* Quantity Selector */
.quiz-quantity-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--section-bg);
}

.quiz-quantity-label {
    font-size: 0.9em;
    color: var(--card-text);
    opacity: 0.8;
    margin-bottom: 10px;
    font-weight: 600;
}

.quiz-quantity-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.quiz-quantity-btn {
    padding: 8px 18px;
    border: 2px solid var(--section-bg);
    border-radius: 15px;
    background: var(--card-bg);
    color: var(--card-text);
    font-size: 0.9em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 50px;
}

.quiz-quantity-btn:hover {
    background: var(--section-bg);
    border-color: var(--badge-bg);
}

.quiz-quantity-btn.active {
    background: var(--badge-bg);
    color: var(--badge-text);
    border-color: var(--badge-bg);
}

/* Responsive */
@media (max-width: 768px) {
    .quiz-modal {
        padding: 20px;
        margin: 10px;
    }

    .quiz-title {
        font-size: 1.4em;
    }

    .quiz-question-text {
        font-size: 1.1em;
    }

    .quiz-option {
        padding: 12px 15px;
    }

    .quiz-score {
        font-size: 2.5em;
    }

    .quiz-percentage {
        font-size: 1.5em;
    }
}

@media (max-width: 480px) {
    .quiz-container {
        padding: 10px;
    }

    .quiz-modal {
        padding: 15px;
    }

    .quiz-option {
        padding: 10px 12px;
        font-size: 0.9em;
    }

    .quiz-option-letter {
        width: 28px;
        height: 28px;
        font-size: 0.9em;
    }

    .quiz-btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }
}