/* General Styles */

.homefeed-subtitle {
    font-size: 1.1rem;
    color: var(--text-color-secondary);
    text-align: center;
    font-style: italic;
    margin-top: 5px;
}

.home-divider {
    border: none;
    border-top: 2px solid var(--link-color);
    margin: 15px 0 25px 0;
}

/* Section Styles */

/* Grid layout for reviews + activity side by side */
.home-sections-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

/* For single wide sections like AI Recommendations */
.home-section {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 20px 25px;
}

/* Add space between Recommended Books and the grid below */
.home-section + .home-sections-grid {
    margin-top: 25px;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 12px;
    border-bottom: 2px solid var(--link-color);
    padding-bottom: 5px;
}

/* Scrollable Content */

.home-section-container {
    max-height: 600px;
    overflow-y: auto;
    padding-right: 10px;
    scrollbar-width: thin;
    scrollbar-color: #ccc var(--secondary-bg);
}

/* WebKit scrollbar for Chrome/Safari */
.home-section-container::-webkit-scrollbar {
    width: 8px;
}
.home-section-container::-webkit-scrollbar-thumb {
    background-color: #ccc;
    border-radius: 10px;
}
.home-section-container::-webkit-scrollbar-thumb:hover {
    background-color: #999;
}

/* Activity Cards (used for both reviews and friend activity) */

.activity-card {
    display: flex;
    flex-direction: column;
    background: var(--secondary-bg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    padding: 12px;
    margin-bottom: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.activity-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

/* Inner layout for card content */
.activity-card-content {
    display: flex;
    gap: 15px;
}

/* Avatar + username row */
.activity-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
}

/* Small avatar with breathing room */
.activity-avatar-small {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    vertical-align: middle;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-right: 8px; /* Added breathing room */
}

/* Username link */
.activity-username {
    font-weight: 600;
    color: var(--link-color);
}

/* Action text ("reviewed", "rated", "finished") */
.activity-action {
    color: var(--text-color-secondary);
    font-size: 0.9rem;
}

/* Book cover */
.activity-book-cover {
    width: 70px;
    height: 100px;
    border-radius: 6px;
    object-fit: contain;
}

/* Book info column */
.activity-book-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Book title */
.activity-book-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 3px 0;
    color: var(--text-color);
}

/* Review snippet */
.activity-snippet {
    font-size: 0.9rem;
    color: var(--text-color-secondary);
    margin-top: 4px;
    font-style: italic;
}

/* Rating and labels */
.activity-rating {
    color: var(--link-color);
    font-weight: 600;
}

.activity-review-label {
    color: var(--text-color-secondary);
    font-size: 0.85rem;
}

/* Timestamp */
.activity-timestamp {
    font-size: 0.8rem;
    color: var(--text-color-secondary);
    margin-top: 5px;
    align-self: flex-end;
}

/* Empty State */

.home-empty-message {
    color: var(--text-color-secondary);
    text-align: center;
    font-style: italic;
    background: var(--secondary-bg);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* AI Recommendation Placeholder */

.home-placeholder-message {
    text-align: center;
    color: var(--link-color);
    font-style: italic;
    margin-top: 5px;
}

/* Floating Chat Assistant */

#chat-toggle-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--link-color);
    color: var(--button-text-color);
    border: none;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 3000;
}

#home-chat-window {
    display: none;
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 350px;
    background-color: var(--secondary-bg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    z-index: 2999;
}

/* Chat bubbles */
.chat-bubble {
    padding: 10px 15px;
    border-radius: 15px;
    margin: 8px 0;
    max-width: 70%;
    font-size: 14px;
    word-wrap: break-word;
}

.user-bubble {
    background-color: var(--link-color);
    color: var(--button-text-color);
    margin-left: auto;
}

.ai-bubble {
    background-color: var(--input-field-bg);
    color: var(--text-color);
}

/* Responsive Tweaks */

@media (max-width: 900px) {
    .home-sections-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .home-section-container {
        max-height: 400px;
    }

    .section-title {
        font-size: 1.15rem;
    }

    .home-activity-item {
        font-size: 0.9rem;
    }

    .activity-book-cover {
        width: 60px;
        height: 90px;
    }

    .activity-avatar-small {
        width: 25px;
        height: 25px;
    }
}
/* AI Recommendation Cards */
.rec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
    padding-right: 10px;
}

.rec-card {
    background-color: var(--secondary-bg);
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    padding: 15px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.rec-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
}

.rec-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 6px;
}

.rec-author {
    font-size: 0.9rem;
    color: var(--text-color-secondary);
    font-style: italic;
}

.rec-cover {
    width: 100px;
    height: 140px;
    object-fit: contain;
    border-radius: 6px;
    margin-bottom: 10px;
}