:root{--bg: #f7f8fa;--surface: #ffffff;--surface-2: #f3f4f6;--border: #e5e7eb;--border-strong: #d1d5db;--text: #111827;--text-2: #6b7280;--text-3: #9ca3af;--brand: #0f766e;--brand-600: #0d6760;--brand-50: #ecfdf5;--danger: #dc2626;--danger-50: #fef2f2;--warn: #b45309;--warn-50: #fffbeb;--ok: #15803d;--ok-50: #f0fdf4;--radius: 10px;--radius-sm: 7px;--shadow: 0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.06);--shadow-md: 0 4px 12px rgba(16,24,40,.08);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--text);background:var(--bg);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.btn{font:inherit;font-weight:500;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);cursor:pointer;transition:background .12s,border-color .12s,box-shadow .12s}.btn:hover{background:var(--surface-2)}.btn:active{transform:translateY(.5px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-600)}.btn-sm{padding:5px 10px;font-size:12.5px}.btn-ghost{border-color:transparent;background:transparent;color:var(--text-2)}.btn-ghost:hover{background:var(--surface-2)}.input,.textarea{width:100%;font:inherit;padding:9px 11px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);transition:border-color .12s,box-shadow .12s}.input:focus,.textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #0f766e1f}.textarea{resize:vertical;line-height:1.55}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:16px}.pill{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:999px;letter-spacing:.01em;white-space:nowrap}.pill-danger{background:var(--danger-50);color:var(--danger)}.pill-warn{background:var(--warn-50);color:var(--warn)}.pill-ok{background:var(--ok-50);color:var(--ok)}.pill-muted{background:var(--surface-2);color:var(--text-2)}.pill-brand{background:var(--brand-50);color:var(--brand)}.pill .dot{width:6px;height:6px;border-radius:50%;background:currentColor}.app{display:flex;height:100vh}.sidebar{width:360px;flex-shrink:0;border-right:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column}.sidebar-head{padding:14px 16px;border-bottom:1px solid 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var(--brand);background:var(--brand-50)}.ticket-subject{font-weight:600;margin-bottom:6px;color:var(--text)}.ticket-meta{font-size:11.5px;color:var(--text-3);margin-top:7px}.empty{text-align:center;color:var(--text-3);padding:48px 20px;font-size:13.5px}.msg{padding:10px 0;border-bottom:1px solid var(--border)}.msg:last-child{border-bottom:none}.msg-head{font-size:11.5px;color:var(--text-3);margin-bottom:4px;display:flex;gap:8px;align-items:center}.msg-body{white-space:pre-wrap}.msg-inbound .msg-tag{color:var(--brand)}.msg-outbound 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