/* document-assistant-pane.css
   Chat pane for the Document Assistant.
   All colors via theme variables — no hardcoded hex. */

.doc-assistant-pane {
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: var(--bg-secondary, var(--bg-elevated));
    border-top: 2px solid var(--border);
    flex-shrink: 0;
}

.doc-assistant-header {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    border-bottom: 1px solid color-mix(in srgb, var(--accent) 10%, transparent);
    font-size: 0.9em;
    color: var(--text-secondary);
}

.doc-assistant-header-title {
    flex: 1 1 auto;
    color: var(--text-primary);
    font-weight: 500;
    font-family: var(--font-sans);
}

/* ── Status pill ─────────────────────────────────────────────────────────── */

.doc-assistant-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85em;
    font-family: var(--font-sans);
    cursor: default;
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    transition: background var(--transition);
}

.doc-assistant-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    background: var(--text-muted);
}

.doc-assistant-status-ready .doc-assistant-status-dot {
    background: var(--success, #6aa77a);
}

.doc-assistant-status-thinking .doc-assistant-status-dot {
    background: var(--accent);
    animation: doc-assistant-pulse 1.3s ease-in-out infinite;
}

.doc-assistant-status-error .doc-assistant-status-dot {
    background: var(--danger, #c07070);
}

.doc-assistant-status-error {
    cursor: pointer;
}

@keyframes doc-assistant-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

/* ── Chat log ────────────────────────────────────────────────────────────── */

.doc-assistant-log {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 80px;
    max-height: 320px;
}

/* ── Bubbles ─────────────────────────────────────────────────────────────── */

.doc-assistant-bubble {
    max-width: 85%;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 0.92em;
    line-height: 1.5;
    word-wrap: break-word;
    font-family: var(--font-sans);
}

.doc-assistant-bubble-user {
    align-self: flex-end;
    background: color-mix(in srgb, var(--accent) 18%, transparent);
    color: var(--text-primary);
    white-space: pre-wrap;
}

.doc-assistant-bubble-assistant {
    align-self: flex-start;
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid color-mix(in srgb, var(--accent) 12%, transparent);
    /* markdown inside: reset first/last paragraph margins */
}

.doc-assistant-bubble-assistant p:first-child { margin-top: 0; }
.doc-assistant-bubble-assistant p:last-child { margin-bottom: 0; }

.doc-assistant-bubble-assistant ul,
.doc-assistant-bubble-assistant ol {
    padding-left: 1.4em;
    margin: 0.4em 0;
}

.doc-assistant-bubble-assistant code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    background: color-mix(in srgb, var(--accent) 8%, transparent);
    padding: 1px 4px;
    border-radius: 3px;
}

.doc-assistant-bubble-error {
    align-self: flex-start;
    background: var(--bg-surface);
    color: var(--text-primary);
    border-left: 3px solid var(--danger, #c07070);
    border-radius: 0 10px 10px 0;
}

.doc-assistant-bubble-system {
    align-self: center;
    color: var(--text-muted);
    font-size: 0.82em;
    font-style: italic;
    max-width: 100%;
    text-align: center;
    padding: 2px 8px;
    background: transparent;
}

/* ── Action icon bar ─────────────────────────────────────────────────────── */

.doc-assistant-actions {
    flex: 0 0 auto;
    display: flex;
    gap: 4px;
    padding: 6px 14px;
    border-top: 1px solid color-mix(in srgb, var(--accent) 10%, transparent);
    background: color-mix(in srgb, var(--bg-surface) 50%, transparent);
    flex-wrap: wrap;
}

.doc-assistant-action {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 4px;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
    flex-shrink: 0;
}

.doc-assistant-action:hover {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}

.doc-assistant-action img {
    width: 16px;
    height: 16px;
    filter: var(--icon-filter);
    pointer-events: none;
    display: block;
}

/* ── Input row ───────────────────────────────────────────────────────────── */

.doc-assistant-input-row {
    flex: 0 0 auto;
    display: flex;
    gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid color-mix(in srgb, var(--accent) 10%, transparent);
    align-items: flex-end;
}

.doc-assistant-textarea {
    flex: 1 1 auto;
    min-height: 36px;
    max-height: 140px;
    padding: 8px 10px;
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
    border-radius: var(--radius);
    resize: none;
    font: inherit;
    font-family: var(--font-sans);
    font-size: 0.92em;
    outline: none;
    transition: border-color var(--transition);
    line-height: 1.5;
}

.doc-assistant-textarea:focus {
    border-color: var(--accent);
}

.doc-assistant-textarea::placeholder {
    color: var(--text-muted);
}

.doc-assistant-send {
    flex: 0 0 auto;
    background: var(--accent);
    color: var(--text-on-accent);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 8px 16px;
    font: inherit;
    font-family: var(--font-sans);
    font-size: 0.9em;
    cursor: pointer;
    transition: filter var(--transition), opacity var(--transition);
    white-space: nowrap;
}

.doc-assistant-send:hover:not(:disabled) {
    filter: brightness(1.08);
}

.doc-assistant-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}