.achievements-grid {
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
    padding-bottom: var(--space-xs);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.achievements-grid::-webkit-scrollbar {
    display: none;
}

.achievement-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    min-width: 72px;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    scroll-snap-align: start;
    cursor: pointer;
    transition: transform var(--transition-fast);
    position: relative;
}

.achievement-badge:active {
    transform: scale(0.95);
}

.achievement-badge-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-bg);
    transition: all var(--transition-base);
}

.achievement-badge-icon i {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
}

.achievement-badge.locked .achievement-badge-icon {
    background: var(--color-border);
    opacity: 0.5;
}

.achievement-badge.locked .achievement-badge-icon i {
    color: var(--color-text-tertiary);
}

.achievement-badge-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-align: center;
    line-height: var(--line-height-tight);
    max-width: 72px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.achievement-badge.locked .achievement-badge-label {
    color: var(--color-text-tertiary);
}

.achievements-counter {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.achievement-tooltip {
    position: fixed;
    z-index: var(--z-tooltip);
    background: var(--color-surface-solid);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    box-shadow: var(--shadow-lg);
    max-width: 220px;
    pointer-events: none;
    animation: tooltipIn 150ms var(--ease-out);
}

.achievement-tooltip-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-2xs);
}

.achievement-tooltip-desc {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin: 0;
}

@keyframes tooltipIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.pwa-install-banner {
    position: fixed;
    bottom: calc(var(--nav-height) + var(--safe-area-bottom) + var(--space-sm));
    left: var(--space-md);
    right: var(--space-md);
    z-index: var(--z-overlay);
    background: var(--color-surface-solid);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-lg);
}

.pwa-install-banner.pwa-install-hiding {
    animation: slideDown 300ms var(--ease-out) forwards;
}

.pwa-install-content {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.pwa-install-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pwa-install-icon i {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
}

.pwa-install-text {
    flex: 1;
    min-width: 0;
}

.pwa-install-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.pwa-install-desc {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin: var(--space-2xs) 0 0;
}

.pwa-install-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-shrink: 0;
}

.pwa-install-close {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: var(--radius-full);
    color: var(--color-text-tertiary);
    flex-shrink: 0;
    padding: 0;
}

.pwa-install-close:hover {
    background: var(--color-border);
}

.pwa-install-close i {
    width: 16px;
    height: 16px;
}

@keyframes slideDown {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(100%); }
}