/* IZI CRM — Chat v2 (iziexpert-2.0 фаза 04) — 3-column inbox */

#chat-v2-root {
    --cv2-bg-app: #f8fafc;
    --cv2-bg-pane: #ffffff;
    --cv2-bg-hover: #f1f5f9;
    --cv2-bg-active: #eff6ff;
    --cv2-border: #e5e7eb;
    --cv2-border-strong: #cbd5e1;
    --cv2-text: #1f2937;
    --cv2-text-muted: #6b7280;
    --cv2-text-faint: #94a3b8;
    --cv2-accent: #2563eb;
    --cv2-accent-bg: #dbeafe;
    --cv2-priority-critical: #dc2626;
    --cv2-priority-high: #f59e0b;
    --cv2-priority-low: #94a3b8;
    --cv2-status-open: #10b981;
    --cv2-status-waiting: #f59e0b;
    --cv2-status-closed: #6b7280;
    --cv2-ai-accent: #7c3aed;
    --cv2-ai-bg: #f5f3ff;
    --cv2-ai-stripe: 3px solid #7c3aed;
    --cv2-radius: 8px;
    --cv2-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
    --cv2-shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);

    display: grid;
    grid-template-columns: 220px 360px 1fr 320px;
    gap: 1px;
    height: calc(100vh - 60px);
    background: var(--cv2-border);
    color: var(--cv2-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    font-size: 14px;
    overflow: hidden;
}

#chat-v2-root[data-theme="dark"] {
    --cv2-bg-app: #0f172a;
    --cv2-bg-pane: #1e293b;
    --cv2-bg-hover: #334155;
    --cv2-bg-active: #1e40af33;
    --cv2-border: #334155;
    --cv2-border-strong: #475569;
    --cv2-text: #f1f5f9;
    --cv2-text-muted: #cbd5e1;
    --cv2-text-faint: #94a3b8;
    --cv2-accent: #3b82f6;
    --cv2-accent-bg: #1e40af33;
    --cv2-ai-bg: #2e1065;
}

#chat-v2-root * { box-sizing: border-box; }
#chat-v2-root button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    background: transparent;
    border: none;
    color: inherit;
}
#chat-v2-root input, #chat-v2-root textarea, #chat-v2-root select {
    font-family: inherit;
    font-size: inherit;
    color: var(--cv2-text);
    background: var(--cv2-bg-pane);
    border: 1px solid var(--cv2-border);
    border-radius: var(--cv2-radius);
    padding: 6px 10px;
    outline: none;
}
#chat-v2-root input:focus, #chat-v2-root textarea:focus, #chat-v2-root select:focus {
    border-color: var(--cv2-accent);
}

/* ================ Sidebar (left) ================ */
.cv2-sidebar {
    background: var(--cv2-bg-pane);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 12px;
    gap: 12px;
}
.cv2-brand {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--cv2-text);
    padding: 4px 8px;
}
.cv2-search-global input {
    width: 100%;
}
.cv2-folders, .cv2-topics, .cv2-labels {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.cv2-folders h4, .cv2-topics h4, .cv2-labels h4 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cv2-text-faint);
    margin: 8px 8px 2px;
}
.cv2-folder-btn, .cv2-topic-btn, .cv2-label-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 10px;
    border-radius: 6px;
    text-align: left;
    color: var(--cv2-text);
    transition: background 0.15s;
}
.cv2-folder-btn:hover, .cv2-topic-btn:hover, .cv2-label-btn:hover {
    background: var(--cv2-bg-hover);
}
.cv2-folder-btn.active, .cv2-topic-btn.active {
    background: var(--cv2-accent-bg);
    color: var(--cv2-accent);
    font-weight: 600;
}
.cv2-count {
    font-size: 12px;
    color: var(--cv2-text-faint);
    background: var(--cv2-bg-app);
    padding: 1px 7px;
    border-radius: 10px;
    min-width: 22px;
    text-align: center;
}
.cv2-folder-btn.active .cv2-count { color: var(--cv2-accent); background: rgba(37, 99, 235, 0.12); }
.cv2-theme-toggle {
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px solid var(--cv2-border);
}
.cv2-theme-toggle button {
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    color: var(--cv2-text-muted);
}
.cv2-theme-toggle button:hover { background: var(--cv2-bg-hover); color: var(--cv2-text); }

/* ================ List pane (middle) ================ */
.cv2-list-pane {
    background: var(--cv2-bg-pane);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* meta-feed pinned */
.cv2-meta-feed-pinned {
    border-bottom: 1px solid var(--cv2-border);
    background: linear-gradient(to right, #fef3c7, #fde68a);
    padding: 10px 14px;
    flex-shrink: 0;
}
[data-theme="dark"] .cv2-meta-feed-pinned {
    background: linear-gradient(to right, #78350f, #92400e);
}
.cv2-meta-feed-header {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}
.cv2-meta-icon { font-size: 16px; }
.cv2-meta-summary { flex: 1; font-size: 13px; color: #78350f; }
[data-theme="dark"] .cv2-meta-summary { color: #fef3c7; }
.cv2-meta-summary strong { color: var(--cv2-priority-critical); }
.cv2-meta-toggle {
    font-size: 12px;
    color: var(--cv2-accent);
    text-decoration: underline;
}
.cv2-meta-events {
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
    max-height: 240px;
    overflow-y: auto;
    background: var(--cv2-bg-pane);
    border-radius: 6px;
}
.cv2-meta-event-item {
    padding: 8px 10px;
    border-bottom: 1px solid var(--cv2-border);
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
}
.cv2-meta-event-item:hover { background: var(--cv2-bg-hover); }
.cv2-meta-event-item:last-child { border-bottom: none; }
.cv2-meta-sev-info { color: var(--cv2-accent); }
.cv2-meta-sev-warn { color: #d97706; }
.cv2-meta-sev-error { color: var(--cv2-priority-critical); }
.cv2-meta-event-body { flex: 1; }
.cv2-meta-event-title { font-weight: 500; font-size: 13px; }
.cv2-meta-event-meta { font-size: 11px; color: var(--cv2-text-faint); margin-top: 2px; }
.cv2-meta-ack-btn {
    font-size: 11px;
    color: var(--cv2-accent);
    padding: 2px 6px;
}

.cv2-handoff-summary { padding: 0 14px; }

.cv2-bulk-bar {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 8px 14px;
    background: var(--cv2-accent-bg);
    border-bottom: 1px solid var(--cv2-border);
    font-size: 13px;
    flex-shrink: 0;
}
.cv2-bulk-bar button {
    padding: 4px 10px;
    background: var(--cv2-bg-pane);
    border: 1px solid var(--cv2-border);
    border-radius: 4px;
    font-size: 12px;
}
.cv2-bulk-bar button:hover { background: var(--cv2-bg-hover); }

.cv2-list-search {
    padding: 10px 14px;
    border-bottom: 1px solid var(--cv2-border);
    flex-shrink: 0;
}
.cv2-list-search input { width: 100%; }

.cv2-conv-list {
    list-style: none;
    margin: 0;
    padding: 0;
    overflow-y: auto;
    flex: 1;
}
.cv2-conv-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--cv2-border);
    cursor: pointer;
    transition: background 0.15s;
    position: relative;
}
.cv2-conv-item:hover { background: var(--cv2-bg-hover); }
.cv2-conv-item.active { background: var(--cv2-bg-active); }
.cv2-conv-item.unread .cv2-conv-name { font-weight: 700; }
.cv2-conv-item.priority-critical { border-left: 3px solid var(--cv2-priority-critical); padding-left: 11px; }
.cv2-conv-item.priority-high { border-left: 3px solid var(--cv2-priority-high); padding-left: 11px; }

.cv2-conv-checkbox { margin-top: 4px; }
.cv2-conv-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--cv2-accent-bg);
    color: var(--cv2-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
    flex-shrink: 0;
}
.cv2-conv-body { flex: 1; min-width: 0; }
.cv2-conv-row1 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}
.cv2-conv-name {
    font-size: 14px;
    color: var(--cv2-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}
.cv2-conv-time {
    font-size: 11px;
    color: var(--cv2-text-faint);
    flex-shrink: 0;
}
.cv2-conv-preview {
    font-size: 13px;
    color: var(--cv2-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}
.cv2-conv-meta {
    display: flex;
    gap: 6px;
    margin-top: 4px;
    align-items: center;
    flex-wrap: wrap;
}
.cv2-conv-badge {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 3px;
    font-weight: 500;
    background: var(--cv2-bg-app);
    color: var(--cv2-text-muted);
}
.cv2-conv-badge.cv2-status-open { color: var(--cv2-status-open); background: #d1fae5; }
.cv2-conv-badge.cv2-status-waiting { color: #b45309; background: #fef3c7; }
.cv2-conv-badge.cv2-status-closed { color: var(--cv2-text-muted); background: var(--cv2-bg-app); }
.cv2-conv-badge.cv2-topic-active {
    background: var(--cv2-ai-bg);
    color: var(--cv2-ai-accent);
    font-weight: 600;
}
.cv2-conv-unread-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cv2-accent);
    flex-shrink: 0;
    margin-left: auto;
}

/* ================ Chat pane (center) ================ */
.cv2-chat {
    background: var(--cv2-bg-app);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}
.cv2-chat-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--cv2-text-faint);
    font-size: 14px;
    gap: 8px;
}

.cv2-chat-header {
    background: var(--cv2-bg-pane);
    border-bottom: 1px solid var(--cv2-border);
    flex-shrink: 0;
}
.cv2-chat-header-row1 {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
}
.cv2-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--cv2-accent-bg);
    color: var(--cv2-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}
.cv2-name-line { flex: 1; min-width: 0; }
.cv2-name-line h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--cv2-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cv2-name-line .cv2-meta {
    font-size: 12px;
    color: var(--cv2-text-faint);
    margin-top: 2px;
    display: block;
}
.cv2-quick-actions { display: flex; gap: 6px; }
.cv2-quick-actions button {
    padding: 6px 10px;
    border: 1px solid var(--cv2-border);
    border-radius: 6px;
    color: var(--cv2-text-muted);
    background: var(--cv2-bg-pane);
    font-size: 12px;
}
.cv2-quick-actions button:hover {
    background: var(--cv2-bg-hover);
    color: var(--cv2-text);
}

.cv2-chat-header-row2 {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 8px 16px;
    border-top: 1px solid var(--cv2-border);
    flex-wrap: wrap;
}
.cv2-chat-header-row2 select {
    font-size: 12px;
    padding: 4px 8px;
}
.cv2-topic-badge {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 14px;
    background: var(--cv2-ai-bg);
    color: var(--cv2-ai-accent);
    font-weight: 600;
}
.cv2-topic-badge.cv2-topic-payment { background: #d1fae5; color: #047857; }
.cv2-topic-badge.cv2-topic-form-161 { background: #dbeafe; color: var(--cv2-accent); }
.cv2-labels-strip { display: flex; gap: 4px; flex-wrap: wrap; }
.cv2-label-chip {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    color: white;
}
.cv2-sla {
    margin-left: auto;
    font-size: 12px;
    color: var(--cv2-text-muted);
}

.cv2-assistant-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--cv2-ai-accent), #a855f7);
    color: white;
    animation: cv2-pulse 3s ease-in-out infinite;
}
.cv2-assistant-bar.cv2-typing { animation: cv2-pulse 1s ease-in-out infinite; }
.cv2-assistant-bar .cv2-ai-icon { font-size: 18px; }
.cv2-assistant-bar .cv2-ai-text { flex: 1; font-size: 13px; }
.cv2-assistant-bar .cv2-ai-text strong { font-weight: 600; }
.cv2-ai-stop {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}
.cv2-ai-stop:hover { background: rgba(255, 255, 255, 0.3); }
@keyframes cv2-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
}

/* ================ Messages ================ */
.cv2-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.cv2-date-divider {
    text-align: center;
    font-size: 11px;
    color: var(--cv2-text-faint);
    margin: 12px 0 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.cv2-msg-row {
    display: flex;
    margin-bottom: 4px;
}
.cv2-msg-row.cv2-msg-out { justify-content: flex-end; }
.cv2-msg-row.cv2-msg-in { justify-content: flex-start; }
.cv2-msg-row.cv2-msg-note { justify-content: center; }

.cv2-msg-bubble {
    max-width: 65%;
    padding: 8px 12px;
    border-radius: 14px;
    box-shadow: var(--cv2-shadow);
    position: relative;
    word-wrap: break-word;
    font-size: 14px;
    line-height: 1.4;
}
.cv2-msg-row.cv2-msg-out .cv2-msg-bubble {
    background: var(--cv2-accent);
    color: white;
    border-bottom-right-radius: 4px;
}
.cv2-msg-row.cv2-msg-in .cv2-msg-bubble {
    background: var(--cv2-bg-pane);
    color: var(--cv2-text);
    border-bottom-left-radius: 4px;
}
.cv2-msg-row.cv2-msg-note .cv2-msg-bubble {
    background: #fef9c3;
    color: #713f12;
    font-style: italic;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(133, 77, 14, 0.15);
    max-width: 75%;
}
.cv2-msg-bubble[data-role="ai"] {
    background: var(--cv2-ai-bg);
    color: var(--cv2-text);
    border-left: var(--cv2-ai-stripe);
    padding-right: 36px;
}
.cv2-msg-bubble[data-role="ai"]::before {
    content: 'AI';
    position: absolute;
    top: 4px;
    right: 8px;
    font-size: 9px;
    background: var(--cv2-ai-accent);
    color: white;
    padding: 1px 6px;
    border-radius: 3px;
    font-weight: 700;
    letter-spacing: 0.05em;
}
.cv2-msg-meta {
    font-size: 10px;
    color: var(--cv2-text-faint);
    margin-top: 2px;
    text-align: right;
}
.cv2-msg-row.cv2-msg-in .cv2-msg-meta { text-align: left; }
.cv2-msg-sender {
    font-size: 11px;
    font-weight: 600;
    color: var(--cv2-text-muted);
    margin-bottom: 2px;
}

/* ================ Composer ================ */
.cv2-composer {
    background: var(--cv2-bg-pane);
    border-top: 1px solid var(--cv2-border);
    padding: 10px 16px 14px;
    flex-shrink: 0;
    position: relative;
}
.cv2-composer-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
}
.cv2-composer-tabs button {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--cv2-text-muted);
}
.cv2-composer-tabs button.active {
    background: var(--cv2-accent-bg);
    color: var(--cv2-accent);
    font-weight: 600;
}
.cv2-composer-input { display: flex; flex-direction: column; gap: 8px; }
.cv2-composer-input textarea {
    width: 100%;
    min-height: 60px;
    max-height: 200px;
    resize: vertical;
}
.cv2-composer-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.cv2-composer-actions button {
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--cv2-border);
    color: var(--cv2-text-muted);
    background: var(--cv2-bg-pane);
    font-size: 12px;
}
.cv2-composer-actions button:hover { background: var(--cv2-bg-hover); }
.cv2-composer-actions .cv2-attach { padding: 6px 10px; }
.cv2-composer-actions .cv2-assistant-trigger {
    color: var(--cv2-ai-accent);
    border-color: var(--cv2-ai-accent);
    font-weight: 500;
}
.cv2-composer-actions .cv2-assistant-trigger:hover {
    background: var(--cv2-ai-bg);
}
.cv2-composer-actions .cv2-send {
    margin-left: auto;
    background: var(--cv2-accent);
    color: white;
    border-color: var(--cv2-accent);
    font-weight: 600;
}
.cv2-composer-actions .cv2-send:hover { opacity: 0.9; }
.cv2-composer-overlay {
    position: absolute;
    inset: 0;
    background: rgba(124, 58, 237, 0.06);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--cv2-radius);
    z-index: 5;
}
.cv2-composer-locked {
    background: var(--cv2-ai-bg);
    color: var(--cv2-ai-accent);
    padding: 10px 16px;
    border-radius: var(--cv2-radius);
    font-size: 13px;
    border: 1px solid var(--cv2-ai-accent);
    font-weight: 500;
}

/* ================ Assistant dropdown ================ */
.cv2-assistant-dropdown {
    position: absolute;
    background: var(--cv2-bg-pane);
    border: 1px solid var(--cv2-border);
    border-radius: var(--cv2-radius);
    box-shadow: var(--cv2-shadow-md);
    min-width: 280px;
    max-width: 360px;
    padding: 6px;
    z-index: 1000;
    max-height: 360px;
    overflow-y: auto;
}
.cv2-prompt-option {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 12px;
    border-radius: 4px;
    color: var(--cv2-text);
}
.cv2-prompt-option:hover { background: var(--cv2-ai-bg); }
.cv2-prompt-option strong { display: block; font-size: 13px; }
.cv2-prompt-option small {
    display: block;
    font-size: 11px;
    color: var(--cv2-text-faint);
    margin-top: 2px;
}
.cv2-prompt-empty {
    padding: 10px 12px;
    color: var(--cv2-text-faint);
    font-size: 12px;
    text-align: center;
}

/* ================ Right context panel ================ */
.cv2-context {
    background: var(--cv2-bg-pane);
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.cv2-context h3 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cv2-text-muted);
    margin: 0 0 6px;
}
.cv2-ctx-section {
    border: 1px solid var(--cv2-border);
    border-radius: var(--cv2-radius);
    padding: 10px;
    font-size: 12px;
}
.cv2-ctx-section .cv2-ctx-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--cv2-text-faint);
    margin-bottom: 4px;
}
.cv2-ctx-section .cv2-ctx-value {
    font-size: 13px;
    color: var(--cv2-text);
}
.cv2-ctx-section.cv2-ctx-balance .cv2-ctx-value.cv2-debt {
    color: var(--cv2-priority-critical);
    font-weight: 600;
}
.cv2-ctx-quick-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 4px;
}
.cv2-ctx-quick-links a {
    color: var(--cv2-accent);
    font-size: 12px;
    cursor: pointer;
    text-decoration: none;
}
.cv2-ctx-quick-links a:hover { text-decoration: underline; }
.cv2-ctx-empty {
    color: var(--cv2-text-faint);
    font-size: 12px;
    text-align: center;
    padding: 20px;
}

/* ================ Responsive ================ */
@media (max-width: 1280px) {
    #chat-v2-root { grid-template-columns: 200px 320px 1fr 280px; }
}
@media (max-width: 1024px) {
    #chat-v2-root { grid-template-columns: 180px 300px 1fr; }
    .cv2-context { display: none; }
}