/* 成就徽章頁面樣式 */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0 2rem;
    margin-bottom: 2rem;
}

.header-content {
    margin-bottom: 2rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: white;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Progress Stats */
.progress-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.unlock-count {
    color: #fbbf24;
}

/* Overall Progress */
.overall-progress {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.progress-bar {
    height: 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    border-radius: 6px;
    transition: width 0.5s ease;
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Achievements Section */
.achievements-section {
    padding: 2rem 0 4rem;
}

.category-section {
    margin-bottom: 3rem;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e5e7eb;
}

/* Achievements Grid */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Achievement Card */
.achievement-card {
    position: relative;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    overflow: hidden;
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

/* Unlocked Achievement */
.achievement-card.unlocked {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-color: #fbbf24;
}

.achievement-card.unlocked:hover {
    box-shadow: 0 12px 24px rgba(251, 191, 36, 0.3);
}

/* Locked Achievement */
.achievement-card.locked {
    background: #f9fafb;
    opacity: 0.7;
}

.achievement-card.locked .achievement-icon {
    filter: grayscale(100%);
    opacity: 0.5;
}

.achievement-card.locked .achievement-name,
.achievement-card.locked .achievement-desc {
    color: #9ca3af;
}

/* Achievement Icon */
.achievement-icon {
    font-size: 3.5rem;
    text-align: center;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.achievement-card:hover .achievement-icon {
    transform: scale(1.1) rotate(5deg);
}

.achievement-card.unlocked .achievement-icon {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Achievement Content */
.achievement-content {
    text-align: center;
}

.achievement-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.achievement-desc {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.5;
    margin-bottom: 1rem;
}

/* Achievement Footer */
.achievement-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
    font-size: 0.875rem;
}

.achievement-footer.unlocked {
    border-top-color: #fbbf24;
}

.achievement-status {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 600;
}

.achievement-footer.unlocked .achievement-status {
    color: #059669;
}

.achievement-footer.locked .achievement-status {
    color: #9ca3af;
}

.status-icon {
    font-size: 1rem;
}

.achievement-date {
    color: #6b7280;
    font-size: 0.75rem;
}

/* Achievement Points */
.achievement-points {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
}

.locked-points {
    background: #e5e7eb;
    color: #9ca3af;
    box-shadow: none;
}

/* Unlock Effect */
.unlock-effect {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    background: radial-gradient(circle at center, rgba(251, 191, 36, 0.3) 0%, transparent 70%);
    opacity: 0;
}

.achievement-card.unlocked:hover .unlock-effect {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.empty-hint {
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 20px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalFadeIn 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #f3f4f6;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.25rem;
    color: #6b7280;
    transition: all 0.2s;
}

.modal-close:hover {
    background: #e5e7eb;
    color: #1f2937;
}

.modal-body {
    text-align: center;
}

.modal-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.modal-description {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.modal-meta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e5e7eb;
}

.modal-category,
.modal-points {
    padding: 0.5rem 1rem;
    background: #f3f4f6;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #6b7280;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-header {
        padding: 2rem 0 1.5rem;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .progress-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }

    .stat-item {
        padding: 0.75rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .achievement-card {
        padding: 1.25rem;
    }

    .achievement-icon {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.25rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .stat-value {
        font-size: 1.25rem;
    }

    .achievement-name {
        font-size: 1rem;
    }

    .achievement-desc {
        font-size: 0.8125rem;
    }
}