/* ============ Achievement System Styles ============ */

/* Achievement Modal */
.achievement-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: achievementFadeIn 0.5s ease-out;
}

.achievement-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    text-align: center;
    color: white;
    position: relative;
    animation: achievementBounce 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.achievement-header {
    position: relative;
    margin-bottom: 1.5rem;
}

.achievement-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
    animation: achievementPulse 2s infinite;
}

.achievement-close {
    position: absolute;
    top: -10px;
    right: -10px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.5rem;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.achievement-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.achievement-rarity {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.achievement-rarity.common {
    background: #95a5a6;
}

.achievement-rarity.uncommon {
    background: #27ae60;
}

.achievement-rarity.rare {
    background: #3498db;
}

.achievement-rarity.legendary {
    background: linear-gradient(45deg, #f39c12, #e74c3c);
    animation: achievementShimmer 2s infinite;
}

.achievement-name {
    font-size: 1.5rem;
    margin: 0.5rem 0;
    font-weight: bold;
}

.achievement-description {
    font-size: 1rem;
    margin: 1rem 0;
    opacity: 0.9;
}

.achievement-footer {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.achievement-footer button {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 10px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.achievement-share {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.achievement-dismiss {
    background: white;
    color: #667eea;
}

.achievement-footer button:hover {
    transform: translateY(-2px);
}

/* Achievements Panel */
.achievements-panel .modal-content {
    max-width: 800px;
    width: 95%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Claim banner */
.achievements-claim-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, #16a085, #2980b9);
    color: #fff;
    padding: 12px 16px;
    border-radius: 12px;
    margin: 0 0 14px 0;
}
.achievements-claim-banner .claim-text {
    font-weight: 700;
    letter-spacing: 0.3px;
}
.achievements-claim-banner .claim-all-btn {
    background: #fff;
    color: #1f2937;
    border: none;
    border-radius: 10px;
    padding: 8px 12px;
    font-weight: 700;
    cursor: pointer;
}
.achievements-claim-banner .claim-all-btn:hover {
    transform: translateY(-1px);
}

.achievements-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 2px solid #eee;
    margin-bottom: 1.5rem;
}

.achievement-counter {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    overflow-y: auto;
    padding-right: 10px;
}

.achievement-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

/* Claimable state */
.achievement-card.claimable {
    background: linear-gradient(135deg, #fff7e6, #fff);
    border-color: #f7a047;
    box-shadow: 0 8px 20px rgba(247, 160, 71, 0.25);
}
.achievement-card.claimable .achievement-icon {
    animation: achievementGlow 1.2s infinite alternate;
}

.achievement-card.earned {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    border-color: #28a745;
}

.achievement-card.locked {
    background: #f1f3f4;
    opacity: 0.7;
}

.achievement-card .achievement-icon {
    font-size: 2.5rem;
    filter: grayscale(100%);
}

.achievement-card.earned .achievement-icon {
    filter: none;
    animation: achievementGlow 2s infinite alternate;
}

.achievement-info {
    flex: 1;
}

/* Claim button */
.claim-btn {
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    background: linear-gradient(135deg, #f7a047, #6c63ff);
    color: #fff;
    font-weight: 700;
    border: none;
    cursor: pointer;
}
.claim-btn:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
}

/* Claimed badge */
.claimed-badge {
    display: inline-block;
    margin-top: 10px;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(40, 167, 69, 0.2);
    color: #1f7a3a;
    font-weight: 700;
}

.achievement-info h4 {
    margin: 0 0 0.5rem 0;
    color: #2c3e50;
}

.achievement-info p {
    margin: 0 0 0.5rem 0;
    color: #6c757d;
    font-size: 0.9rem;
}

.achievement-rarity-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.achievement-card.common .achievement-rarity-badge {
    background: #95a5a6;
    color: white;
}

.achievement-card.uncommon .achievement-rarity-badge {
    background: #27ae60;
    color: white;
}

.achievement-card.rare .achievement-rarity-badge {
    background: #3498db;
    color: white;
}

.achievement-card.legendary .achievement-rarity-badge {
    background: linear-gradient(45deg, #f39c12, #e74c3c);
    color: white;
    animation: achievementShimmer 2s infinite;
}

.achievement-progress-bar {
    width: 100%;
    height: 6px;
    background: #e9ecef;
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.achievement-progress {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

/* Confetti Animation */
.confetti {
    position: fixed;
    top: -10px;
    width: 10px;
    height: 10px;
    background: #ff6b6b;
    animation: confettiFall 3s linear forwards;
    z-index: 9999;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #2c3e50;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.toast.show {
    transform: translateX(0);
}

/* Animations */
@keyframes achievementFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes achievementBounce {
    0% { transform: scale(0.3) translateY(50px); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}

@keyframes achievementPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes achievementShimmer {
    0% { background-position: -200px 0; }
    100% { background-position: 200px 0; }
}

@keyframes achievementGlow {
    0% { filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5)); }
    100% { filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.8)); }
}

@keyframes confettiFall {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .achievement-content {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .achievement-footer {
        flex-direction: column;
    }
    
    .toast {
        right: 1rem;
        bottom: 1rem;
        left: 1rem;
    }
}

/* Achievement Button in Header */
.achievement-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: transform 0.2s ease;
}

.achievement-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.achievement-badge-indicator {
    background: #ff4757;
    color: white;
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
    border-radius: 10px;
    margin-left: 0.5rem;
    animation: achievementPulse 1s infinite;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .achievement-card {
        background: #2c3e50;
        color: #ecf0f1;
    }
    
    .achievement-card.locked {
        background: #34495e;
    }
    
    .achievement-info h4 {
        color: #ecf0f1;
    }
    
    .achievement-info p {
        color: #bdc3c7;
    }
    
    .achievements-header {
        border-bottom-color: #4a5568;
    }
}