/* Achievement Notification Styles */
.achievement-toast {
    position: fixed;
    top: 80px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    animation: slideInRight 0.5s ease-out, slideOutRight 0.5s ease-in 4.5s;
    min-width: 320px;
    max-width: 400px;
}

@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;
    }
}

.achievement-toast-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.achievement-toast-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.achievement-toast-title {
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
}

.achievement-toast-body {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.achievement-toast-info {
    flex: 1;
}

.achievement-toast-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.achievement-toast-desc {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.achievement-toast-xp {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Achievement Modal */
.achievement-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    padding: 2rem;
    overflow-y: auto;
}

.achievement-modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 3rem;
}

.achievement-modal-content {
    background: var(--card-bg);
    border-radius: 16px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.achievement-modal-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.achievement-modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    flex-shrink: 0;
}

.achievement-modal-header h2 {
    font-size: 1.75rem;
    margin: 0;
}

.achievement-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.5rem;
    line-height: 1;
}

.achievement-modal-close:hover {
    color: var(--text-primary);
}

/* Level Progress */
.level-progress-container {
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    flex-shrink: 0;
}

.level-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.level-number {
    font-size: 2rem;
    font-weight: 700;
}

.level-xp {
    font-size: 0.9rem;
    opacity: 0.9;
}

.level-progress-bar {
    height: 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.level-progress-fill {
    height: 100%;
    background: white;
    border-radius: 10px;
    transition: width 0.5s ease;
}

.achievement-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    padding: 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.achievement-stat-card {
    text-align: center;
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 12px;
}

.achievement-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.achievement-stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.achievement-categories {
    padding: 2rem;
    flex: 1;
    overflow-y: auto;
}

.achievement-category {
    margin-bottom: 2rem;
}

.achievement-category:last-child {
    margin-bottom: 0;
}

.achievement-category-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.achievement-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.achievement-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.achievement-card.locked {
    opacity: 0.6;
}

.achievement-card.unlocked {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.achievement-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.achievement-icon {
    font-size: 2.5rem;
}

.achievement-card-title {
    flex: 1;
}

.achievement-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.achievement-xp {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
}

.achievement-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}