/**
 * More Brains - File Attachments Styles
 */

/* ========================================
   Input Bar Attachment Button
   ======================================== */
.input-bar__attach {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-bar__attach svg {
    width: 18px;
    height: 18px;
}

/* ========================================
   Pending Attachments Display
   ======================================== */
.input-bar__pending-attachments {
    display: none;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-default);
    max-width: 900px;
    margin: 0 auto;
}

.pending-attachment {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-panel);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    position: relative;
    min-width: 150px;
    max-width: 250px;
}

.pending-attachment__icon {
    flex-shrink: 0;
}

.pending-attachment__name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.pending-attachment__status {
    flex-shrink: 0;
    font-size: var(--text-xs);
    color: var(--accent-success);
}

.pending-attachment__status--error {
    color: var(--accent-danger);
}

.pending-attachment__progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--bg-elevated);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    overflow: hidden;
}

.pending-attachment__progress-bar {
    height: 100%;
    background: var(--accent-primary);
    transition: width 0.2s ease;
}

.pending-attachment__remove {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    padding: 0;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--text-lg);
    line-height: 1;
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pending-attachment__remove:hover {
    background: var(--bg-elevated);
    color: var(--accent-danger);
}

.pending-attachment--uploading {
    opacity: 0.8;
}

.pending-attachment--complete {
    border-color: var(--accent-success);
}

.pending-attachment--error {
    border-color: var(--accent-danger);
    background: rgba(157, 0, 6, 0.05);
}

[data-theme="dark"] .pending-attachment--error {
    background: rgba(249, 38, 114, 0.05);
}

.pending-attachment--processing {
    opacity: 0.9;
}

.pending-attachment__status--processing {
    animation: pulse 1s ease-in-out infinite;
}

/* ========================================
   Drag and Drop Overlay
   ======================================== */
.drag-over {
    position: relative;
}

.drag-over::after {
    content: 'Drop files here';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(175, 58, 3, 0.1);
    border: 2px dashed var(--accent-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--accent-primary);
    z-index: 100;
    pointer-events: none;
}

[data-theme="dark"] .drag-over::after {
    background: rgba(249, 38, 114, 0.1);
}

/* ========================================
   Chat Attachment Display
   ======================================== */
.chat-attachment {
    margin: var(--space-3) 0;
    padding: var(--space-3);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
}

.chat-attachment__header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.chat-attachment__icon {
    flex-shrink: 0;
    font-size: var(--text-lg);
}

.chat-attachment__name {
    font-weight: 500;
    color: var(--text-primary);
    word-break: break-word;
}

.chat-attachment__meta {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.chat-attachment__view {
    margin-left: auto;
    font-size: var(--text-xs);
    color: var(--accent-primary);
    text-decoration: none;
}

.chat-attachment__view:hover {
    text-decoration: underline;
}

.chat-attachment__extract {
    margin-top: var(--space-2);
    padding-top: var(--space-2);
    border-top: 1px solid var(--border-muted);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-style: italic;
}

/* Image Preview */
.attachment-preview__image {
    display: block;
    max-width: 300px;
    max-height: 300px;
    width: auto;
    height: auto;
    margin-top: var(--space-2);
    border-radius: var(--radius-sm);
    object-fit: contain;
}

/* ========================================
   Chat Message Attachments
   ======================================== */
.chat-message__attachments {
    margin-top: var(--space-3);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.chat-message__attachment {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    max-width: 100%;
}

.chat-message__attachment-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-primary);
    text-decoration: none;
}

.chat-message__attachment-thumb {
    max-width: 300px;
    max-height: 300px;
    width: auto;
    height: auto;
    border-radius: var(--radius-sm);
    object-fit: contain;
    cursor: pointer;
    transition: opacity 0.2s;
}

.chat-message__attachment-thumb:hover {
    opacity: 0.9;
}

.chat-message__attachment--image {
    max-width: 300px;
}

.chat-message__attachment-icon {
    font-size: var(--text-xl);
}

.chat-message__attachment-name {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========================================
   Submit Button Disabled State (during uploads)
   ======================================== */
.input-bar__submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   Images in Assistant Messages (markdown)
   ======================================== */
.chat-message--assistant .chat-message__content img {
    display: block;
    max-width: 300px;
    max-height: 300px;
    width: auto;
    height: auto;
    border-radius: var(--radius-sm);
    object-fit: contain;
    margin: var(--space-2) 0;
}

/* ========================================
   Image Attachment Actions
   ======================================== */
.chat-attachment--image .chat-attachment__header {
    border-bottom: none;
}

.chat-attachment__image-container {
    padding: var(--space-2) var(--space-3);
}

.chat-attachment__actions {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-top: 1px solid var(--border-muted);
    background: var(--bg-panel);
}

.chat-attachment__edit,
.chat-attachment__reference {
    font-size: var(--text-sm);
}

/* ========================================
   Mobile Adjustments
   ======================================== */
@media (max-width: 768px) {
    .input-bar__attach {
        width: 36px;
        height: 36px;
    }
    
    .input-bar__attach svg {
        width: 16px;
        height: 16px;
    }
    
    .input-bar__pending-attachments {
        padding: var(--space-2);
    }
    
    .pending-attachment {
        min-width: 120px;
        max-width: 180px;
        padding: var(--space-1) var(--space-2);
        font-size: var(--text-xs);
    }
    
    .chat-attachment {
        padding: var(--space-2);
    }
    
    .attachment-preview__image {
        max-height: 200px;
    }
}