/* ===== Chat widget ===== */

/* Floating tab peeking from the left edge */
.kpi-chat-tab {
    position: fixed;
    left: -40px;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 72px;
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background: var(--clr-accent);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    box-shadow: var(--shadow-md);
    transition: left var(--transition-base), background var(--transition-base);
}
.kpi-chat-tab:hover {
    left: -14px;
    background: var(--clr-accent-hover);
}
.kpi-chat-tab i { font-size: 1.25rem; }
.kpi-chat-tab:focus-visible { outline: 2px solid var(--clr-accent-hover); outline-offset: 2px; }

.kpi-chat-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: var(--fw-bold);
    color: #fff;
    background: var(--clr-error);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

/* Drawer */
.kpi-chat-drawer {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: min(420px, 100vw);
    display: flex;
    flex-direction: column;
    background: var(--clr-surface);
    border-right: 1px solid var(--clr-border);
    box-shadow: var(--shadow-xl);
    transform: translateX(-102%);
    transition: transform var(--transition-slow);
    z-index: 1060;
}
.kpi-chat-drawer.open { transform: translateX(0); }
.kpi-chat-drawer.kpi-chat-fullscreen {
    width: 100vw;
    border-right: none;
}

.kpi-chat-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--clr-border);
    background: var(--clr-bg-secondary);
}
.kpi-chat-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}
.kpi-chat-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    font-weight: var(--fw-semibold);
    color: var(--clr-text-primary);
}
.kpi-chat-title i { color: var(--clr-accent); }
.kpi-chat-header-actions {
    display: flex;
    gap: var(--space-2);
}
.kpi-chat-close {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--clr-text-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.kpi-chat-close:hover { background: var(--clr-bg-tertiary); color: var(--clr-text-primary); }

.kpi-chat-tabs {
    display: flex;
    gap: var(--space-2);
}
.kpi-chat-tab-btn {
    position: relative;
    flex: 1;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    font-weight: var(--fw-medium);
    color: var(--clr-text-secondary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.kpi-chat-tab-btn:hover { color: var(--clr-text-primary); background: var(--clr-bg-tertiary); }
.kpi-chat-tab-btn.active {
    color: var(--clr-accent);
    background: var(--clr-accent-light);
    font-weight: var(--fw-semibold);
}
.kpi-chat-tab-btn .kpi-chat-badge {
    position: static;
    margin-left: var(--space-2);
    min-width: 16px;
    height: 16px;
    font-size: 0.625rem;
}

.kpi-chat-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* Messages list */
.kpi-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    scroll-behavior: smooth;
}
.kpi-chat-loadmore {
    align-self: center;
    border: none;
    background: transparent;
    color: var(--clr-accent);
    font-size: var(--text-xs);
    font-weight: var(--fw-medium);
    cursor: pointer;
    padding: var(--space-1);
}
.kpi-chat-loadmore:hover { text-decoration: underline; }

.kpi-msg {
    display: flex;
    gap: var(--space-2);
    max-width: 82%;
}
.kpi-msg-mine { align-self: flex-end; flex-direction: row-reverse; }
.kpi-msg-theirs { align-self: flex-start; }

.kpi-msg-avatar {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--clr-accent-light);
    color: var(--clr-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: var(--fw-bold);
    overflow: hidden;
}
.kpi-msg-avatar img { width: 100%; height: 100%; object-fit: cover; }

.kpi-msg-avatar-ai {
    background: linear-gradient(135deg, var(--clr-accent), #6d28d9);
    color: #fff;
}
.kpi-msg-ai .kpi-msg-text {
    border-left: 3px solid var(--clr-accent);
}
.kpi-ai-tool-notes {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed var(--clr-border, #ddd);
}
.kpi-ai-tool-note {
    font-size: 0.78rem;
    color: var(--clr-text-secondary);
    opacity: 0.9;
    line-height: 1.3;
}
.kpi-ai-tool-note-call { font-style: italic; }
.kpi-ai-tool-note-result { color: var(--clr-success, #2e7d32); }

/* Индикатор загрузки ответа ИИ: переливающиеся точки + сменяемый статус */
.kpi-ai-thinking {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    min-height: 24px;
}
.kpi-ai-dots {
    display: inline-flex;
    gap: 5px;
    align-items: center;
}
.kpi-ai-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--clr-accent, #1976d2);
    animation: kpiAiDotPulse 1.2s ease-in-out infinite;
}
.kpi-ai-dots span:nth-child(2) { animation-delay: 0.2s; }
.kpi-ai-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes kpiAiDotPulse {
    0%, 100% { opacity: 0.25; transform: scale(0.85); }
    50%      { opacity: 1;    transform: scale(1.15); }
}
.kpi-ai-status {
    font-size: var(--text-xs, 0.75rem);
    color: var(--clr-text-secondary, #6c757d);
    font-style: italic;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.kpi-chat-new-btn {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--clr-bg-tertiary);
    color: var(--clr-text-secondary);
    cursor: pointer;
}
.kpi-chat-new-btn:hover { background: var(--clr-accent-light); color: var(--clr-accent); }

.kpi-chat-ai-toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--clr-border);
}
.kpi-chat-history-btn {
    flex: 1 1 auto;
    border: none;
    border-radius: var(--radius-md);
    background: var(--clr-bg-tertiary);
    color: var(--clr-text-secondary);
    cursor: pointer;
    padding: 6px 10px;
    font-size: var(--text-sm);
}
.kpi-chat-history-btn:hover { background: var(--clr-accent-light); color: var(--clr-accent); }
.kpi-chat-ai-history {
    max-height: 220px;
    overflow-y: auto;
    border-bottom: 1px solid var(--clr-border);
    background: var(--clr-bg-secondary);
}
.kpi-chat-ai-history-empty {
    padding: var(--space-3);
    color: var(--clr-text-tertiary);
    font-size: var(--text-sm);
    text-align: center;
}
.kpi-chat-ai-history-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--clr-border);
}
.kpi-chat-ai-history-item:last-child { border-bottom: none; }
.kpi-chat-ai-history-open {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    border: none;
    background: transparent;
    cursor: pointer;
    text-align: left;
    padding: 2px 0;
    min-width: 0;
}
.kpi-chat-ai-history-open:hover .kpi-chat-ai-history-title { color: var(--clr-accent); }
.kpi-chat-ai-history-title {
    color: var(--clr-text-primary);
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}
.kpi-chat-ai-history-date { color: var(--clr-text-tertiary); font-size: var(--text-xs); }
.kpi-chat-ai-history-del {
    flex-shrink: 0;
    border: none;
    background: transparent;
    color: var(--clr-text-tertiary);
    cursor: pointer;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
}
.kpi-chat-ai-history-del:hover { color: var(--clr-danger, #c62828); background: var(--clr-danger-light, #fdeaea); }

/* AI feedback — лайк/дизлайк в едином стиле с реакциями обычного чата.
   Кнопки переиспользуют .kpi-msg-react-btn; активное состояние окрашивается
   в зелёный (лайк) или красный (дизлайк). */
.kpi-ai-feedback {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    margin-top: 4px;
}
.kpi-ai-feedback-btn.kpi-ai-feedback-like.active {
    color: var(--clr-success, #2e7d32);
    background: color-mix(in srgb, var(--clr-success, #2e7d32) 12%, transparent);
    border-color: color-mix(in srgb, var(--clr-success, #2e7d32) 40%, transparent);
}
.kpi-ai-feedback-btn.kpi-ai-feedback-dislike.active {
    color: var(--clr-danger, #c62828);
    background: color-mix(in srgb, var(--clr-danger, #c62828) 12%, transparent);
    border-color: color-mix(in srgb, var(--clr-danger, #c62828) 40%, transparent);
}

/* AI chart containers */
.kpi-ai-chart-wrapper {
    margin: 10px 0;
    padding: 12px;
    background: var(--clr-bg-secondary, #f8f9fa);
    border: 1px solid var(--clr-border, #e0e0e0);
    border-radius: var(--radius-md, 8px);
    max-width: 100%;
    overflow: hidden;
    white-space: normal;
}
.kpi-ai-chart-title {
    font-size: var(--text-sm, 0.875rem);
    font-weight: var(--fw-bold, 600);
    color: var(--clr-text-primary, #212529);
    margin-bottom: 8px;
    text-align: center;
}
.kpi-ai-chart-wrapper canvas {
    width: 100% !important;
    max-height: 320px;
}

/* AI table styles */
.kpi-ai-table-wrap {
    margin: 10px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--clr-border, #e0e0e0);
    border-radius: var(--radius-md, 8px);
    background: var(--clr-bg-secondary, #f8f9fa);
    white-space: normal;
}
.kpi-ai-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-xs, 0.75rem);
    line-height: 1.4;
}
.kpi-ai-table th,
.kpi-ai-table td {
    padding: 6px 10px;
    border: 1px solid var(--clr-border, #e0e0e0);
    text-align: left;
    white-space: nowrap;
}
.kpi-ai-table th {
    background: var(--clr-bg-tertiary, #e8eaed);
    font-weight: var(--fw-bold, 600);
    color: var(--clr-text-primary, #212529);
    position: sticky;
    top: 0;
}
.kpi-ai-table tbody tr:nth-child(even) {
    background: var(--clr-bg-secondary, #f8f9fa);
}
.kpi-ai-table tbody tr:hover {
    background: color-mix(in srgb, var(--clr-accent, #1976d2) 8%, transparent);
}
/* Колонка с ID отчёта — видна только ИИ (скрыта от пользователя). ID остаётся в ответе
   ассистента для ссылок вида [ID:число], но не должен отображаться в таблице. */
.kpi-ai-id-col {
    display: none;
}
.kpi-ai-id-hidden {
    display: none;
}

/* AI code blocks */
.kpi-msg-text code {
    background: var(--clr-bg-tertiary, #e8eaed);
    padding: 1px 5px;
    border-radius: var(--radius-sm, 4px);
    font-size: 0.85em;
    font-family: var(--font-mono, 'Consolas', 'Monaco', monospace);
    color: var(--clr-text-primary, #212529);
}
.kpi-msg-text pre {
    background: var(--clr-bg-secondary, #f8f9fa);
    border: 1px solid var(--clr-border, #e0e0e0);
    border-radius: var(--radius-md, 8px);
    padding: 10px 12px;
    overflow-x: auto;
    margin: 8px 0;
    font-size: var(--text-xs, 0.75rem);
    line-height: 1.5;
}
.kpi-msg-text pre code {
    background: transparent;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

.kpi-msg-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}
.kpi-msg-meta {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    font-size: var(--text-xs);
}
.kpi-msg-author { font-weight: var(--fw-semibold); color: var(--clr-text-primary); }
.kpi-msg-time { color: var(--clr-text-tertiary); white-space: nowrap; }
.kpi-msg-mine .kpi-msg-meta { flex-direction: row-reverse; }

.kpi-msg-text {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--clr-text-primary);
    background: var(--clr-bg-tertiary);
    border-radius: var(--radius-md);
    border-top-left-radius: 2px;
    word-break: break-word;
    white-space: pre-wrap;
}
.kpi-msg-mine .kpi-msg-text {
    background: var(--clr-accent);
    color: #fff;
    border-radius: var(--radius-md);
    border-top-right-radius: 2px;
}

/* Reactions — плоские эмодзи под сообщением на прозрачном фоне.
   При наведении кнопка становится прямоугольной с подсветкой; количество
   реакций появляется рядом с иконкой после первого нажатия. */
.kpi-msg-reactions {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    margin-top: 4px;
}
.kpi-msg-mine .kpi-msg-reactions { justify-content: flex-end; }

.kpi-msg-react-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-width: 30px;
    height: 28px;
    padding: 0 7px;
    font-size: var(--text-xs);
    color: var(--clr-text-tertiary);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0.6;
    transition: background 0.12s ease, border-color 0.12s ease,
                color 0.12s ease, transform 0.08s ease, opacity 0.12s ease;
}
.kpi-msg-react-btn:hover {
    color: var(--clr-text-primary);
    background: var(--clr-bg-tertiary);
    border-color: var(--clr-border);
    opacity: 1;
}
.kpi-msg-react-btn:active { transform: scale(0.94); }

.kpi-react-emoji {
    font-family: 'Segoe UI Emoji', 'Apple Color Emoji', 'Noto Color Emoji', 'Twemoji Mozilla', sans-serif;
    font-size: 15px;
    line-height: 1;
    transition: transform 0.12s ease;
}

/* Число реакций скрыто, пока реакций нет; появляется после первого нажатия */
.kpi-react-count {
    display: none;
    min-width: 10px;
    text-align: center;
    font-variant-numeric: tabular-nums;
    font-weight: var(--fw-semibold);
    font-size: 12px;
    letter-spacing: 0.2px;
}
.kpi-msg-react-btn.has-count .kpi-react-count {
    display: inline;
}
.kpi-msg-react-btn.has-count:hover {
    color: var(--clr-text-primary);
}

/* Активная (поставленная мной) реакция — подсветка прямоугольной кнопки */
.kpi-msg-react-btn.active {
    color: var(--clr-accent);
    background: color-mix(in srgb, var(--clr-accent) 12%, transparent);
    border-color: color-mix(in srgb, var(--clr-accent) 40%, transparent);
    opacity: 1;
}
.kpi-msg-react-btn.active .kpi-react-emoji {
    transform: scale(1.12);
}

/* Input */
.kpi-chat-input {
    display: flex;
    align-items: flex-end;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--clr-border);
    background: var(--clr-surface);
}
.kpi-chat-input textarea {
    flex: 1;
    min-height: 40px;
    max-height: 120px;
    resize: none;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--clr-text-primary);
    background: var(--clr-bg-secondary);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.kpi-chat-input textarea:focus {
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 3px var(--clr-accent-subtle);
}
.kpi-chat-send {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-md);
    background: var(--clr-accent);
    color: #fff;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}
.kpi-chat-send:hover { background: var(--clr-accent-hover); transform: translateY(-1px); }
.kpi-chat-send:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* Private: search + users + conversations */
.kpi-chat-search {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--clr-border);
}
.kpi-chat-search input {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    color: var(--clr-text-primary);
    background: var(--clr-bg-secondary);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.kpi-chat-search input:focus {
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 3px var(--clr-accent-subtle);
}

.kpi-chat-users { display: none; flex-direction: column; max-height: 45%; overflow-y: auto; border-bottom: 1px solid var(--clr-border); }
.kpi-chat-users.show { display: flex; }

.kpi-chat-user-item,
.kpi-chat-convo-item {
    display: flex;
    align-items: stretch;
    position: relative;
    cursor: pointer;
    background: transparent;
    transition: background var(--transition-fast);
}
.kpi-chat-user-item:hover,
.kpi-chat-convo-item:hover { background: var(--clr-bg-secondary); }
.kpi-chat-user-item.active,
.kpi-chat-convo-item.active { background: var(--clr-accent-light); }

.kpi-chat-convo-main {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: none;
    background: transparent;
    text-align: left;
    font-family: var(--font-family);
    cursor: pointer;
}

.kpi-chat-item-avatar {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: var(--clr-accent-light);
    color: var(--clr-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: var(--fw-bold);
    overflow: hidden;
}
.kpi-chat-item-avatar img { width: 100%; height: 100%; object-fit: cover; }

.kpi-chat-item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.kpi-chat-item-line {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-2);
}
.kpi-chat-item-name { font-size: var(--text-sm); font-weight: var(--fw-semibold); color: var(--clr-text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kpi-chat-item-sub { font-size: var(--text-xs); color: var(--clr-text-tertiary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kpi-chat-item-time { flex-shrink: 0; font-size: var(--text-xs); color: var(--clr-text-tertiary); }
.kpi-chat-item-unread {
    flex-shrink: 0;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    font-weight: var(--fw-bold);
    color: #fff;
    background: var(--clr-accent);
    border-radius: var(--radius-full);
}

.kpi-chat-conversations { flex: 1; overflow-y: auto; display: flex; flex-direction: column; }

/* Open conversation */
.kpi-chat-convo { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.kpi-chat-convo-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--clr-border);
    background: var(--clr-bg-secondary);
}
.kpi-chat-convo-back {
    border: none;
    background: transparent;
    color: var(--clr-text-secondary);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
}
.kpi-chat-convo-back:hover { background: var(--clr-bg-tertiary); color: var(--clr-text-primary); }
.kpi-chat-convo-name { font-size: var(--text-sm); font-weight: var(--fw-semibold); color: var(--clr-text-primary); }
.kpi-chat-convo-sub { font-size: var(--text-xs); color: var(--clr-text-tertiary); }

/* Empty / loading */
.kpi-chat-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-8) var(--space-4);
    text-align: center;
    color: var(--clr-text-tertiary);
    font-size: var(--text-sm);
}
.kpi-chat-empty i { font-size: 2rem; opacity: 0.6; margin-bottom: var(--space-1); }

.kpi-chat-loading {
    padding: var(--space-6);
    text-align: center;
    color: var(--clr-text-tertiary);
    font-size: var(--text-sm);
}

/* Conversation menu (3 dots) */
.kpi-chat-convo-menu {
    position: relative;
    display: flex;
    align-items: center;
    padding-right: var(--space-2);
}
.kpi-chat-convo-menu-btn {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--clr-text-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.kpi-chat-convo-menu-btn:hover { background: var(--clr-bg-tertiary); color: var(--clr-text-primary); }
.kpi-chat-convo-menu-pop {
    position: absolute;
    right: var(--space-1);
    top: calc(100% - var(--space-1));
    min-width: 210px;
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 30;
}
.kpi-chat-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: var(--text-sm);
    color: var(--clr-text-primary);
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}
.kpi-chat-menu-item:hover { background: var(--clr-bg-secondary); }
.kpi-chat-menu-item i { width: 16px; color: var(--clr-text-tertiary); }
.kpi-chat-menu-item.danger { color: var(--clr-error); }
.kpi-chat-menu-item.danger i { color: var(--clr-error); }
.kpi-chat-menu-item.danger:hover { background: var(--clr-error-bg); }

/* Invite modal */
.kpi-chat-invite-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1070;
    padding: var(--space-4);
}
.kpi-chat-invite-panel {
    width: min(420px, 100%);
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}
.kpi-chat-invite-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--clr-border);
    background: var(--clr-bg-secondary);
}
.kpi-chat-invite-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--fw-semibold);
    color: var(--clr-text-primary);
}
.kpi-chat-invite-title i { color: var(--clr-accent); }
.kpi-chat-invite-results {
    flex: 1;
    min-height: 120px;
    max-height: 45vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.kpi-chat-invite-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: none;
    background: transparent;
    text-align: left;
    font-family: var(--font-family);
    cursor: pointer;
    width: 100%;
    transition: background var(--transition-fast);
}
.kpi-chat-invite-item:hover { background: var(--clr-bg-secondary); }
.kpi-chat-invite-plus { color: var(--clr-accent); flex-shrink: 0; }

/* Members modal */
.kpi-chat-members {
    flex: 1;
    min-height: 120px;
    max-height: 45vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    padding: var(--space-2);
}
.kpi-chat-member-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
}

/* ===== AI Welcome screen ===== */
.kpi-chat-ai-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6) var(--space-4);
    text-align: center;
    flex: 1;
    min-height: 0;
    gap: var(--space-2);
}
.kpi-ai-welcome-icon {
    font-size: 3rem;
    margin-bottom: var(--space-2);
    line-height: 1;
}
.kpi-ai-welcome-title {
    font-size: var(--text-lg);
    font-weight: var(--fw-bold);
    color: var(--clr-text-primary);
    margin: 0 0 var(--space-2);
}
.kpi-ai-welcome-desc {
    font-size: var(--text-sm);
    color: var(--clr-text-secondary);
    margin: 0 0 var(--space-4);
    max-width: 320px;
}
.kpi-ai-welcome-caps {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
    max-width: 340px;
    margin-bottom: var(--space-4);
}
.kpi-ai-welcome-cap {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--clr-bg-secondary);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    text-align: left;
    font-size: var(--text-xs);
    color: var(--clr-text-secondary);
    line-height: 1.4;
}
.kpi-ai-welcome-cap strong {
    color: var(--clr-text-primary);
    font-size: var(--text-sm);
}
.kpi-ai-welcome-cap-icon {
    flex-shrink: 0;
    font-size: 1.25rem;
    margin-top: 1px;
}
.kpi-ai-welcome-hint {
    font-size: var(--text-xs);
    color: var(--clr-text-tertiary);
    margin: 0 0 var(--space-2);
}
.kpi-ai-welcome-examples {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    width: 100%;
    max-width: 340px;
}
.kpi-ai-welcome-example {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-family);
    font-size: var(--text-xs);
    color: var(--clr-accent);
    background: var(--clr-accent-light);
    border: 1px solid color-mix(in srgb, var(--clr-accent) 25%, transparent);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}
.kpi-ai-welcome-example:hover {
    background: color-mix(in srgb, var(--clr-accent) 16%, transparent);
    border-color: var(--clr-accent);
}

/* Loading spinner at the top of message list (infinite scroll) */
.kpi-chat-loading-top {
    padding: var(--space-2);
    text-align: center;
    color: var(--clr-text-tertiary);
    font-size: var(--text-xs);
}

/* "Start of conversation" banner */
.kpi-chat-start-banner {
    padding: var(--space-2) var(--space-3);
    text-align: center;
    color: var(--clr-text-tertiary);
    font-size: var(--text-xs);
    font-style: italic;
    opacity: 0.7;
}

/* Retry link inside error state */
.kpi-chat-retry {
    color: var(--clr-accent);
    text-decoration: underline;
    font-size: var(--text-xs);
}