/* Steam Module Styles */
.steam-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--spacing-md);
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Steam Index (Game List) --- */

.steam-header {
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
}

.steam-header__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.steam-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.steam-game-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    position: relative;
}

.steam-game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px var(--color-shadow);
    border-color: var(--color-primary);
}

.steam-game-card__link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.steam-game-card__image-wrapper {
    position: relative;
    padding-top: 46%; /* 460x215 aspect ratio usually */
    background: var(--color-bg-surface-alt);
    overflow: hidden;
}

.steam-game-card__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.steam-game-card:hover .steam-game-card__image {
    transform: scale(1.05);
}

.steam-game-card__content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.steam-game-card__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin: 0;
    line-height: 1.4;
}

.steam-game-card__meta {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: auto;
}

/* --- Achievement Summary (Widget) --- */
.steam-summary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.steam-summary__stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.steam-summary__progress-track {
    height: 6px;
    background: var(--color-bg-surface-alt);
    border-radius: 3px;
    overflow: hidden;
}

.steam-summary__progress-bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: 3px;
    width: 0;
    transition: width 1s ease-out;
    position: relative;
    overflow: hidden;
}

.steam-summary__progress-bar::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.4) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: translateX(-100%);
    animation: shimmer 2s infinite linear;
}

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

.steam-summary__icons {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
}

.steam-summary__icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.steam-summary__icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Achievements Detail Page --- */

.steam-detail-header {
    background: var(--color-bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

@media (max-width: 900px) {
    .steam-detail-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .steam-detail-header__info {
        align-items: center;
    }
    
    .steam-detail-header__meta {
        justify-content: center;
    }
}

.steam-detail-header__cover {
    width: 100%;
    max-width: 460px;
    height: auto;
    aspect-ratio: 460/215;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 6px -1px var(--color-shadow);
    flex-shrink: 0;
    background-color: #000; /* 兜底背景色，防止图片加载前太突兀 */
}

.steam-detail-header__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
}

.steam-detail-header__title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text-main);
    margin: 0;
}

.steam-detail-header__meta {
    display: flex;
    gap: var(--spacing-lg);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    flex-wrap: wrap;
    justify-content: center;
}

@media (min-width: 769px) {
    .steam-detail-header__meta {
        justify-content: flex-start;
    }
}

.steam-detail-header__meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.steam-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
    background: var(--color-bg-surface-alt);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
}

.steam-stat-box {
    text-align: center;
    display: flex;
    flex-direction: column;
}

.steam-stat-box__value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.steam-stat-box__label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Groups */
.steam-group {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.steam-group__header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-surface-alt);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: background-color var(--transition-fast);
}

.steam-group__header:hover {
    background-color: var(--color-border);
}

.steam-group__title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
}

.steam-group__icon {
    transition: transform var(--transition-normal);
}

.steam-group.steam-is-collapsed .steam-group__icon {
    transform: rotate(-90deg);
}

/* 
   Important: Ensure content is visible when not collapsed 
   and hidden when collapsed.
*/
.steam-group .steam-group__content {
    display: block; /* Default visible */
    padding: 0;
}

.steam-group.steam-is-collapsed .steam-group__content {
    display: none; /* Hidden when collapsed */
}

/* Achievement Items */
.steam-achievement {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-fast);
}

.steam-achievement:last-child {
    border-bottom: none;
}

.steam-achievement:hover {
    background-color: var(--color-bg-surface-alt);
}

.steam-achievement__icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg-surface-alt);
    border: 1px solid var(--color-border);
}

.steam-achievement__icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.steam-achievement__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
}

.steam-achievement__name {
    font-weight: 600;
    color: var(--color-text-main);
    font-size: 1rem;
}

.steam-achievement__desc {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.4;
}

.steam-achievement__status {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    min-width: 100px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Mobile optimizations for summary and stats */
@media (max-width: 768px) {
    .steam-summary {
        margin-top: var(--spacing-xs);
        padding-top: var(--spacing-xs);
        gap: var(--spacing-xs);
    }
    
    .steam-stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
        margin-top: var(--spacing-xs);
    }

}

@media (max-width: 640px) {
    .steam-achievement {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .steam-achievement__status {
        align-items: flex-start;
        margin-top: var(--spacing-sm);
        flex-direction: row;
        gap: var(--spacing-sm);
    }
}

.steam-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.steam-status-badge--unlocked {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.steam-status-badge--locked {
    background-color: rgba(100, 116, 139, 0.1);
    color: #64748b;
}

.steam-status-badge--hidden {
    background-color: rgba(99, 102, 241, 0.1);
    color: #6366f1;
}

/* Empty State */
.steam-empty {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.steam-empty__icon {
    font-size: 3rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

/* Back Button */
.steam-back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-md);
}

.steam-back-btn:hover {
    background: var(--color-bg-surface-alt);
    border-color: var(--color-text-muted);
}