/* ======================================== */
/* A.I.U. Library Styles (aiu-library.css)  */
/* ======================================== */

/* --- Page Layout --- */
.library-container {
    max-width: 900px;
}

.library-header {
    text-align: center;
    margin-bottom: 50px;
}

/* --- Search Bar --- */
.search-container {
    margin-bottom: 50px;
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

#library-search {
    width: 100%;
    padding: 18px 25px;
    padding-left: 55px; /* Space for icon */
    background-color: var(--aiu-surface);
    border: 1px solid var(--aiu-border);
    border-radius: 50px;
    color: var(--aiu-text-primary);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

#library-search:focus {
    outline: none;
    border-color: var(--aiu-primary);
    box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.2);
}

.search-icon {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    font-size: 1.3rem;
    color: var(--aiu-text-secondary);
}

/* --- AI Gallery Grid --- */
#ai-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.ai-card {
    background-color: var(--aiu-surface);
    border: 1px solid var(--aiu-border);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ai-card:hover {
    transform: translateY(-8px);
    border-color: var(--aiu-primary);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.ai-card-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 20px;
    border: 3px solid var(--aiu-border);
}

.ai-card h3 {
    font-size: 1.25rem;
    color: var(--aiu-text-primary);
    margin: 0;
}

.ai-card p {
    font-size: 0.9rem;
    color: var(--aiu-text-secondary);
    margin-top: 5px;
}

/* --- Dynamic Chat Interface --- */
.chat-view-container {
    display: none; /* Hidden by default */
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.chat-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.chat-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid var(--aiu-border);
}

.chat-header h2 {
    font-size: 2rem;
    margin: 0;
}

.chat-interface {
    background: var(--aiu-surface);
    border-radius: 16px;
    padding: 20px;
    text-align: left;
}

.chat-history {
    height: 400px;
    overflow-y: auto;
    background: var(--aiu-bg);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-bubble {
    padding: 12px 18px;
    border-radius: 12px;
    max-width: 80%;
    line-height: 1.5;
    word-wrap: break-word;
}

.ai-bubble {
    background-color: var(--aiu-border);
    align-self: flex-start;
}

.user-bubble {
    background-color: var(--aiu-primary-dark);
    color: #ffffff;
    align-self: flex-end;
}

.chat-input-area {
    display: flex;
    gap: 15px;
}

.chat-input-area textarea {
    flex-grow: 1;
    min-height: 50px;
    resize: vertical;
    background-color: var(--aiu-bg);
    border: 1px solid var(--aiu-border);
    color: var(--aiu-text-primary);
    padding: 12px;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.chat-input-area textarea:focus {
    outline: none;
    border-color: var(--aiu-primary);
}

.chat-input-area .btn-primary {
    flex-shrink: 0;
    align-self: flex-end; /* Align with bottom of textarea */
}

/* --- Back Button / Close Chat --- */
.close-chat-btn {
    display: block;
    margin-top: 30px;
    text-align: center;
    color: var(--aiu-text-secondary);
    font-weight: 500;
    cursor: pointer;
}

.close-chat-btn:hover {
    color: var(--aiu-text-primary);
}