/* sessions-uploads.css — Sessions list/detail and uploads page styles */

.sessions-page,
.session-detail-page,
.uploads-page,
.session-not-found-page {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md);
}

.sessions-header,
.uploads-header,
.session-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.session-detail-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
}

.back-link {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.back-link:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.session-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    flex-wrap: wrap;
}

/* Session list */
.session-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.session-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.session-link:hover {
    text-decoration: none;
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.session-title {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.session-date {
    flex-shrink: 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

/* Session detail messages */
.message-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.message {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    max-width: 85%;
}

.message-user {
    background-color: var(--color-accent-soft);
    align-self: flex-end;
    text-align: left;
}

/* Assistant messages hold the LLM output (long prose, code blocks) —
   give them the full column instead of the 85% chat-bubble width. */
.message-assistant {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    align-self: stretch;
    max-width: 100%;
}

.message-system {
    background-color: var(--color-bg);
    border: 1px dashed var(--color-border);
    align-self: center;
    font-size: 0.9rem;
    font-style: italic;
    color: var(--color-text-muted);
}

.message-role {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

/* Assistant messages hold rendered markdown (.md-content); user messages
   add .message-content-plain, which preserves line breaks. */
.message-content {
    overflow-wrap: anywhere;
    line-height: 1.5;
}

.message-model {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* Session assets */
.session-assets {
    margin-bottom: var(--space-lg);
}

.assets-heading {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.asset-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.asset-item {
    display: flex;
    align-items: stretch;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* The whole row is a link; asset-viewer.js decides view vs. download. */
.asset-open {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
    min-width: 0;
    padding: var(--space-sm) var(--space-md);
    color: inherit;
    text-decoration: none;
}

.asset-open:hover,
.asset-open:focus-visible {
    background-color: var(--color-accent-soft);
    text-decoration: none;
}

.asset-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.asset-thumb {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    flex-shrink: 0;
}

.asset-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
}

.asset-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.asset-meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.asset-action {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.asset-open:hover .asset-action,
.asset-open:focus-visible .asset-action {
    color: var(--color-text);
}

.asset-delete-form {
    display: flex;
    align-items: center;
    padding: 0 var(--space-md) 0 0;
}

/* Session actions */
.session-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.session-delete-form {
    display: inline;
}

/* Uploads page */
.upload-form-section {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.upload-form {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-end;
    flex-wrap: wrap;
}

.upload-input-group {
    flex: 1;
    min-width: 200px;
}

.upload-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.upload-file-input {
    width: 100%;
    padding: var(--space-sm);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background-color: var(--color-bg);
    color: var(--color-text);
}

.upload-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    line-height: 1.4;
}

/* Upload errors */
.upload-errors {
    background-color: var(--color-danger-soft);
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-md);
}

.errors-heading {
    font-size: 1rem;
    color: var(--color-danger);
    margin-bottom: var(--space-xs);
}

.error-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.error-item {
    color: var(--color-danger);
    font-size: 0.9rem;
    padding: var(--space-xs) 0;
}

/* Assets section */
.assets-section {
    margin-bottom: var(--space-lg);
}

/* Not found page */
.not-found-container {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
}

.not-found-container p {
    margin-bottom: var(--space-md);
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 600px) {
    .sessions-header,
    .uploads-header {
        flex-direction: column;
        align-items: stretch;
    }

    .message {
        max-width: 100%;
    }

    .upload-form {
        flex-direction: column;
        align-items: stretch;
    }

    .asset-item {
        flex-direction: column;
        align-items: flex-start;
    }
}