/* Quiz Page Styles */

.quizzes-container {
    min-height: calc(100vh - 70px);
    padding: 60px 20px 80px;
}

.page-header {
    text-align: center;
    margin-bottom: 50px;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.page-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Filters Section */
.filters-section {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 40px;
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.filters-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.filters-header h3 i {
    color: var(--accent-primary);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-label i {
    color: var(--accent-primary);
    font-size: 0.85rem;
}

.filter-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

/* Quick Start Section */
.quick-start-section {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.quick-start-section h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.quick-start-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.quick-start-btn {
    padding: 15px 20px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.quick-start-btn:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.quick-start-btn i {
    color: var(--accent-primary);
    font-size: 1.2rem;
}

/* Loading/Error States */
.loading-state,
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    gap: 20px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-state i {
    font-size: 3rem;
    color: #F56565;
}

/* Results Info */
.results-info {
    margin-bottom: 25px;
}

.results-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Quizzes Grid */
.quizzes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.quiz-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    transition: var(--transition);
    cursor: pointer;
}

.quiz-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--accent-primary);
}

.quiz-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.quiz-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.difficulty-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.difficulty-badge.easy {
    background: rgba(72, 187, 120, 0.2);
    color: #48BB78;
}

.difficulty-badge.medium {
    background: rgba(237, 137, 54, 0.2);
    color: #ED8936;
}

.difficulty-badge.hard {
    background: rgba(245, 101, 101, 0.2);
    color: #F56565;
}

.quiz-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.quiz-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.quiz-meta i {
    color: var(--accent-primary);
}

.quiz-stats {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.quiz-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.quiz-stat i {
    color: var(--accent-primary);
}

.quiz-rewards {
    display: flex;
    gap: 10px;
}

.reward-badge {
    flex: 1;
    padding: 10px;
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.3);
    border-radius: 10px;
    text-align: center;
}

.reward-value {
    font-weight: 600;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.reward-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Quiz Interface */
.quiz-interface {
    max-width: 900px;
    margin: 0 auto;
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 25px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.quiz-info h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.quiz-meta {
    color: var(--text-secondary);
}

.quiz-progress {
    margin-bottom: 30px;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.progress-text i {
    color: var(--accent-primary);
    margin-right: 5px;
}

.progress-bar-container {
    width: 100%;
    height: 12px;
    background: var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

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

/* Question Card */
.question-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 30px;
}

.question-text {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 30px;
    line-height: 1.8;
}

.question-options {
    display: grid;
    gap: 15px;
}

.option-btn {
    padding: 18px 24px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    color: var(--text-primary);
}

.option-btn:hover {
    border-color: var(--accent-primary);
    background: rgba(167, 139, 250, 0.1);
}

.option-btn.selected {
    border-color: var(--accent-primary);
    background: rgba(167, 139, 250, 0.2);
}

.option-btn.correct {
    border-color: #48BB78;
    background: rgba(72, 187, 120, 0.2);
}

.option-btn.incorrect {
    border-color: #F56565;
    background: rgba(245, 101, 101, 0.2);
}

.option-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Question Options - Input Field */
#shortAnswerInput {
    width: 100%;
    padding: 18px 24px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition);
}

#shortAnswerInput:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.1);
}

#shortAnswerInput:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

/* Hint Section */
.hint-section {
    margin-top: 20px;
    padding: 20px;
    background: rgba(237, 137, 54, 0.1);
    border: 1px solid rgba(237, 137, 54, 0.3);
    border-radius: 12px;
}

.hint-content {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.hint-content i {
    color: #ED8936;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.hint-content p {
    color: var(--text-primary);
    line-height: 1.7;
}

/* Quiz Actions */
.quiz-actions {
    display: flex;
    gap: 15px;
    justify-content: space-between;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline:disabled,
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Results Screen */
.results-screen {
    max-width: 700px;
    margin: 0 auto;
}

.results-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
}

.results-header {
    margin-bottom: 40px;
}

.results-header i {
    font-size: 4rem;
    color: var(--accent-primary);
    margin-bottom: 20px;
}

.results-header h2 {
    font-size: 2rem;
    color: var(--text-primary);
}

.results-score {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.score-circle {
    position: relative;
    width: 200px;
    height: 200px;
}

.score-ring {
    transform: rotate(-90deg);
}

.score-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-percentage {
    font-size: 3rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-fraction {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.result-stat {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.result-stat i {
    font-size: 2rem;
    color: var(--accent-primary);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.results-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Animations */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

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

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

/* Custom Modal Styles */
.custom-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10001;
}

/* Responsive Design */
@media (max-width: 768px) {
    .quizzes-container {
        padding: 40px 15px 60px;
    }

    .page-title {
        font-size: 2rem;
    }

    .filters-section {
        padding: 20px;
    }

    .filters-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .filters-grid {
        grid-template-columns: 1fr;
    }

    .quick-start-buttons {
        grid-template-columns: 1fr;
    }

    .quizzes-grid {
        grid-template-columns: 1fr;
    }

    .quiz-header {
        flex-direction: column;
        gap: 15px;
    }

    .question-card {
        padding: 25px 20px;
    }

    .quiz-actions {
        flex-direction: column;
    }

    .results-stats {
        grid-template-columns: 1fr;
    }

    .results-actions {
        flex-direction: column;
    }

    .results-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.75rem;
    }

    .question-text {
        font-size: 1.1rem;
    }

    .score-circle {
        width: 150px;
        height: 150px;
    }

    .score-percentage {
        font-size: 2.5rem;
    }
}