/* 
 * Daily Challenge Page Styles
 * FitTeen Australia Theme
 */

/* Challenge Stats */
.challenge-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-item {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: white;
    text-align: center;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.stat-label {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.95;
}

/* Current Challenge */
.current-challenge {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.challenge-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-light);
}

.challenge-header h3 {
    color: var(--text-dark);
    font-size: 1.2rem;
}

.challenge-progress {
    flex: 1;
    margin-left: 2rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-green), var(--secondary-green));
    border-radius: 4px;
    transition: width 0.6s ease;
}

/* Question Content */
.challenge-content {
    margin-bottom: 2rem;
}

.question-container {
    margin-bottom: 2rem;
}

.question-container h4 {
    color: var(--text-dark);
    font-size: 1.3rem;
    line-height: 1.4;
    margin-bottom: 1rem;
}

.question-image {
    text-align: center;
    margin: 1rem 0;
}

.question-image img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Answer Buttons */
.answers-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.answer-btn {
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.answer-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(76, 175, 80, 0.1), transparent);
    transition: left 0.6s ease;
}

.answer-btn:hover {
    border-color: var(--primary-green);
    background: rgba(76, 175, 80, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.2);
}

.answer-btn:hover::before {
    left: 100%;
}

.answer-btn.selected {
    border-color: var(--primary-green);
    background: rgba(76, 175, 80, 0.1);
    color: var(--primary-green);
    font-weight: 600;
}

.answer-btn.correct {
    border-color: var(--primary-green);
    background: rgba(76, 175, 80, 0.2);
    color: var(--primary-green);
}

.answer-btn.incorrect {
    border-color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

/* Challenge Actions */
.challenge-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: white;
    border: none;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #45a049, #66bb69);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.skip-btn {
    background: linear-gradient(135deg, #95a5a6, #bdc3c7);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.skip-btn:hover {
    background: linear-gradient(135deg, #7f8c8d, #95a5a6);
    transform: translateY(-2px);
}

/* Answer Explanation */
.answer-explanation {
    background: #f8f9ff;
    border-radius: 16px;
    padding: 2rem;
    margin-top: 2rem;
    border: 1px solid var(--border-light);
}

.explanation-content {
    text-align: center;
    margin-bottom: 2rem;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.explanation-content h4 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.explanation-content p {
    color: var(--text-medium);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.fun-fact {
    background: rgba(76, 175, 80, 0.1);
    border-radius: 12px;
    padding: 1rem;
    margin: 1rem 0;
    border-left: 4px solid var(--primary-green);
}

.fun-fact strong {
    color: var(--primary-green);
}

.next-btn {
    background: linear-gradient(135deg, var(--accent-orange), #ffb74d);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);
    display: block;
    margin: 0 auto;
}

.next-btn:hover {
    background: linear-gradient(135deg, #f57c00, #ffb74d);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
}

/* Challenge Complete */
.challenge-complete {
    background: white;
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.completion-content {
    max-width: 500px;
    margin: 0 auto;
}

.completion-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.completion-content h3 {
    color: var(--text-dark);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.final-score {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: white;
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

.score-text {
    font-size: 1rem;
    opacity: 0.9;
    display: block;
}

.score-number {
    font-size: 3rem;
    font-weight: 900;
    margin: 0.5rem 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.score-percent {
    font-size: 1.2rem;
    font-weight: 600;
    opacity: 0.9;
}

.score-breakdown {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: #f8f9ff;
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

.breakdown-label {
    font-weight: 600;
    color: var(--text-dark);
}

.breakdown-value {
    font-weight: 700;
    color: var(--primary-green);
}

.completion-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.retry-btn,
.new-challenge-btn,
.share-score-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.retry-btn {
    background: linear-gradient(135deg, #95a5a6, #bdc3c7);
    color: white;
}

.retry-btn:hover {
    background: linear-gradient(135deg, #7f8c8d, #95a5a6);
    transform: translateY(-2px);
}

.new-challenge-btn {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    color: white;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.new-challenge-btn:hover {
    background: linear-gradient(135deg, #45a049, #66bb69);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.share-score-btn {
    background: linear-gradient(135deg, #3498db, #5dade2);
    color: white;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.share-score-btn:hover {
    background: linear-gradient(135deg, #2980b9, #3498db);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4);
}

/* History and Categories */
.previous-challenges,
.challenge-categories {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.previous-challenges h3,
.challenge-categories h3 {
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
}

.history-grid,
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.history-item {
    background: #f8f9ff;
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid var(--border-light);
    transition: transform 0.3s ease;
}

.history-item:hover {
    transform: translateY(-2px);
}

.history-date {
    font-size: 0.8rem;
    color: var(--text-medium);
    font-weight: 500;
}

.history-topic {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0.5rem 0;
}

.history-score {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-green);
}

.category-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.category-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.category-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.category-progress {
    font-size: 0.8rem;
    opacity: 0.9;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .challenge-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .challenge-progress {
        margin-left: 0;
        width: 100%;
    }
    
    .answers-container {
        grid-template-columns: 1fr;
    }
    
    .challenge-actions,
    .completion-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .submit-btn,
    .skip-btn,
    .retry-btn,
    .new-challenge-btn,
    .share-score-btn {
        width: 100%;
        max-width: 300px;
    }
    
    .final-score {
        padding: 1.5rem;
    }
    
    .score-number {
        font-size: 2.5rem;
    }
    
    .completion-content h3 {
        font-size: 1.5rem;
    }
}