/* =====================
   MODALS (Shop, Achievement, Leaderboard, Help)
   ===================== */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 4000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 25px;
    padding: 25px;
    max-width: 600px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f1f2f6;
}

.modal-header h2 {
    margin: 0;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Shop Modal */
.xp-balance {
    background: linear-gradient(135deg, #6C5CE7, #A29BFE);
    color: white;
    padding: 15px 20px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

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

.xp-balance-value {
    font-size: 1.8rem;
    font-weight: 700;
}

.shop-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.shop-tab {
    flex: 1;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    background: white;
    cursor: pointer;
    font-family: 'Fredoka', sans-serif;
    font-weight: 600;
    color: #636e72;
    transition: all 0.3s;
}

.shop-tab.active {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

.shop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.shop-item {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 15px;
    text-align: center;
    border: 3px solid transparent;
    transition: all 0.3s;
    cursor: pointer;
}

.shop-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.shop-item.locked {
    opacity: 0.6;
    filter: grayscale(1);
}

.shop-item.owned {
    border-color: var(--success);
    background: #f0fff4;
}

.shop-item.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.3);
}

.shop-item-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.shop-item-name {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.shop-item-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-weight: 700;
    color: var(--gold-dark);
    font-size: 0.85rem;
}

.shop-item-price i {
    color: var(--gold);
}

/* Achievement Modal */
.achievement-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.achievement-item.unlocked {
    background: linear-gradient(135deg, #FFFDE7, #FFF9C4);
    border-color: var(--gold);
}

.achievement-item.hidden {
    filter: blur(5px);
    cursor: pointer;
}

.achievement-item.hidden::after {
    content: '???';
    position: absolute;
    font-weight: 700;
    color: var(--text-dark);
    filter: none;
}

.achievement-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: #e9ecef;
}

.achievement-item.unlocked .achievement-icon {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    animation: achievementGlow 2s infinite;
}

.achievement-info {
    flex: 1;
}

.achievement-name {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 3px;
}

.achievement-desc {
    font-size: 0.85rem;
    color: #636e72;
}

.achievement-status {
    font-size: 0.8rem;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 700;
}

.achievement-status.locked {
    background: #e9ecef;
    color: #636e72;
}

.achievement-status.unlocked {
    background: var(--gold);
    color: white;
}

/* Leaderboard Modal */
.leaderboard-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.leaderboard-tab {
    flex: 1;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    background: white;
    cursor: pointer;
    font-family: 'Fredoka', sans-serif;
    font-weight: 600;
    color: #636e72;
    transition: all 0.3s;
}

.leaderboard-tab.active {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

.leaderboard-sort {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 10px;
    align-items: center;
}

.sort-btn {
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 20px;
    background: white;
    cursor: pointer;
    font-family: 'Fredoka', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: #636e72;
    transition: all 0.2s;
}

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

.sort-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 15px;
    transition: all 0.3s;
}

.leaderboard-item:nth-child(1) {
    background: linear-gradient(135deg, #FFFDE7, #FFF9C4);
    border: 2px solid var(--gold);
}

.leaderboard-item:nth-child(2) {
    background: linear-gradient(135deg, #F5F5F5, #E0E0E0);
    border: 2px solid var(--silver);
}

.leaderboard-item:nth-child(3) {
    background: linear-gradient(135deg, #FFF8E1, #FFE0B2);
    border: 2px solid var(--bronze);
}

.leaderboard-rank {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
}

.leaderboard-rank.gold { background: var(--gold); color: white; }
.leaderboard-rank.silver { background: var(--silver); color: white; }
.leaderboard-rank.bronze { background: var(--bronze); color: white; }
.leaderboard-rank.normal { background: #e9ecef; color: #636e72; }

.leaderboard-player {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.leaderboard-avatar {
    font-size: 1.5rem;
}

.leaderboard-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.leaderboard-name {
    font-weight: 700;
}

.leaderboard-meta {
    display: flex;
    gap: 10px;
    font-size: 0.8rem;
    color: #636e72;
}

.leaderboard-level {
    background: var(--primary);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
}

.leaderboard-games {
    color: #636e72;
}

.leaderboard-date {
    font-size: 0.75rem;
    color: #636e72;
}

.leaderboard-score {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary);
}

.leaderboard-badge {
    font-size: 1.2rem;
}

.leaderboard-badge {
    font-size: 1.2rem;
}

/* Help Modal */
.help-content {
    text-align: left;
    line-height: 1.8;
}

.help-section {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary);
}

.help-section h4 {
    margin: 0 0 10px 0;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.help-section ul {
    margin: 0;
    padding-left: 20px;
    color: var(--text-dark);
}

.help-section.gold { border-left-color: var(--gold); background: #FFF9E6; }
.help-section.gold h4 { color: var(--gold-dark); }

.help-section.success { border-left-color: var(--success); background: #f0fff4; }
.help-section.success h4 { color: var(--success); }

.help-section.accent { border-left-color: var(--accent); }
.help-section.accent h4 { color: var(--accent); }

/* Save Slots Styles */
.save-slots-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
}

.save-slot {
    background: var(--bg-secondary);
    border: 2px dashed var(--primary-light);
    border-radius: 16px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s;
}

.save-slot.filled {
    border: 2px solid var(--primary);
    background: var(--bg-card);
    border-style: solid;
}

.save-slot.empty {
    opacity: 0.7;
}

.save-slot-number {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.save-slot.empty .save-slot-number {
    background: var(--text-light);
}

.save-slot-info {
    flex: 1;
}

.save-slot-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.save-slot-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.save-slot-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.save-slot-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.save-slot-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-family: 'Fredoka', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.save-slot-btn.save {
    background: var(--success);
    color: white;
}

.save-slot-btn.save:hover {
    background: #00a884;
    transform: scale(1.05);
}

.save-slot-btn.load {
    background: var(--primary);
    color: white;
}

.save-slot-btn.load:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.save-slot-btn.delete {
    background: var(--danger);
    color: white;
}

.save-slot-btn.delete:hover {
    background: #e55050;
    transform: scale(1.05);
}

.save-slot-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}