:root{--bg: #f4f5f7;--bg-panel: #ffffff;--bg-sunken: #f9fafb;--bg-hover: #f0f1f3;--bg-selected: #fdeee1;--border: #e2e4e8;--text: #1b1d22;--text-muted: #6b7280;--text-faint: #9ca3af;--brand: #f5821f;--brand-contrast: #ffffff;--accent: #2f6fed;--danger: #d64545;--warning: #c98a1f;--success: #1f9d55;--bubble-in: #ffffff;--bubble-out: #fdeee1;--shadow: 0 1px 2px rgba(16, 24, 40, .06);--radius: 8px;--sidebar-bg: #0e2340;--sidebar-bg-active: #f5821f;--sidebar-hover: #17335c;--sidebar-text: #cfd9ea;--sidebar-text-muted: #7f93b3;--sidebar-text-active: #ffffff;--sidebar-border: #1b3960;color-scheme:light}:root[data-theme=dark]{--bg: #15171c;--bg-panel: #1b1e24;--bg-sunken: #202329;--bg-hover: #262a31;--bg-selected: #3a2814;--border: #2b2f37;--text: #e7e9ec;--text-muted: #9ba1ab;--text-faint: #6b7280;--brand: #f5923d;--brand-contrast: #1a1204;--accent: #5b8ff9;--danger: #e5726f;--warning: #dba43a;--success: #3fbf72;--bubble-in: #21252c;--bubble-out: #3a2814;--shadow: 0 1px 2px rgba(0, 0, 0, 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16px;font-size:12px;color:var(--text-muted);background:var(--bg-sunken);border-bottom:1px solid var(--border)}.message-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px}.message-row{display:flex}.message-row.out{justify-content:flex-end}.message-bubble{max-width:62%;padding:8px 11px;border-radius:10px;background:var(--bubble-in);box-shadow:var(--shadow);font-size:13.5px;line-height:1.4}.message-row.out .message-bubble{background:var(--bubble-out)}.message-meta{display:flex;gap:6px;align-items:center;margin-top:4px;font-size:10.5px;color:var(--text-faint)}.message-meta .origin-bot{color:var(--accent)}.message-meta .origin-human{color:var(--brand)}.message-meta .status-failed{color:var(--danger);font-weight:600}.retry-link{border:none;background:none;color:var(--accent);padding:0;font-size:10.5px;text-decoration:underline}.timeline-event{text-align:center;font-size:11.5px;color:var(--text-faint);margin:4px 0}.note-row{display:flex;justify-content:center}.note-bubble{max-width:70%;background:#fff8e1;border:1px solid #f0dfa0;color:#7a5c10;border-radius:8px;padding:7px 11px;font-size:12.5px}:root[data-theme=dark] .note-bubble{background:#332a15;border-color:#59481f;color:#e0b767}.composer-tabs{display:flex;gap:4px;padding:8px 16px 0;background:var(--bg-panel);border-top:1px solid var(--border)}.composer-tab{border:none;background:none;padding:6px 10px;font-size:12.5px;color:var(--text-muted);border-bottom:2px solid transparent}.composer-tab.active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}.tag-chip-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.tag-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:600;color:#fff}.tag-chip button{background:none;border:none;color:inherit;opacity:.8;font-size:11px;line-height:1;padding:0}.tag-add-btn{border:1px dashed var(--border);background:none;border-radius:999px;padding:3px 9px;font-size:11px;color:var(--text-muted)}.tag-picker{position:relative}.tag-picker-menu{position:absolute;top:100%;left:0;margin-top:4px;background:var(--bg-panel);border:1px solid var(--border);border-radius:6px;box-shadow:var(--shadow);z-index:10;min-width:160px;padding:4px}.tag-picker-item{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:4px;font-size:12.5px;cursor:pointer}.tag-picker-item:hover{background:var(--bg-hover)}.tag-picker-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.window-warning{margin:0 16px 8px;padding:8px 12px;border-radius:6px;background:#fff4e5;color:#93650f;font-size:12.5px;border:1px solid #f0d9a8}:root[data-theme=dark] .window-warning{background:#332a15;color:#e0b767;border-color:#59481f}.composer{display:flex;gap:10px;padding:12px 16px;border-top:1px solid var(--border);background:var(--bg-panel);align-items:flex-end}.composer textarea{resize:none;min-height:38px;max-height:120px}.send-btn{background:var(--brand);color:var(--brand-contrast);border:none;border-radius:6px;padding:0 16px;height:38px;font-weight:600}.send-btn:disabled{opacity:.5}.customer-panel{width:260px;flex-shrink:0;border-left:1px solid var(--border);background:var(--bg-panel);padding:16px;overflow-y:auto}.customer-panel h3{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--text-faint);margin:0 0 12px}.customer-field{margin-bottom:12px}.customer-field .label{font-size:11px;color:var(--text-faint)}.customer-avatar-row{display:flex;justify-content:center;margin-bottom:14px}.customer-avatar-img{width:64px;height:64px;border-radius:50%;object-fit:cover}.customer-avatar-fallback{width:64px;height:64px;border-radius:50%;background:var(--brand);color:var(--brand-contrast);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700}.link-banner{background:var(--bg-selected);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:12px;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center;gap:6px}.customer-notes-input{width:100%;min-height:60px;padding:6px 8px;border:1px solid var(--border);border-radius:4px;background:var(--bg-sunken);color:var(--text);font-size:12.5px;font-family:inherit;resize:vertical;margin-top:2px}.customer-field .value{font-size:13px;margin-top:2px}.customer-field .value.editable{cursor:pointer;border-bottom:1px dashed transparent}.customer-field .value.editable:hover{border-bottom-color:var(--text-faint)}.customer-name-input{width:100%;padding:4px 6px;border:1px solid var(--accent);border-radius:4px;background:var(--bg-sunken);color:var(--text);font-size:13px}.timeline-feed-item{font-size:12px;color:var(--text-muted);padding:4px 0;border-bottom:1px solid var(--border)}.timeline-feed-item:last-child{border-bottom:none}.timeline-feed-time{color:var(--text-faint);margin-right:6px}