:root{--bg:#f7f8f9;--surface:#fff;--border:#dcdfe4;--border-strong:#c1c7d0;--text:#172b4d;--muted:#626f86;--faint:#8590a2;--accent:#0c66e4;--accent-dark:#05c;--accent-soft:#e9f2ff;--accent-outline:#85b8ff;--danger:#c9372c;--danger-dark:#ae2e24;--column:#f1f2f4;--radius:10px;--shadow-card:0 1px 2px #091e421a;--shadow-raised:0 4px 10px #091e4226;--shadow-overlay:0 8px 24px #091e4233;color:var(--text);font-family:IBM Plex Sans,ui-sans-serif,system-ui,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-size:14px}a{color:var(--accent)}h1,h2,h3{letter-spacing:-.01em;margin:4px 0 8px}h1{margin:0;font-size:22px;font-weight:700}h2{font-size:16px;font-weight:600}h3{font-size:14px;font-weight:600}.muted{color:var(--muted);font-size:13px}.mono{font-family:IBM Plex Mono,ui-monospace,Cascadia Mono,Consolas,monospace;font-size:12.5px}.center{text-align:center;margin-top:80px}.error{color:var(--danger);font-size:13px}.status-NEW{--s-bg:#f1f2f4;--s-fg:#44546f;--s-dot:#8590a2}.status-TRIAGING{--s-bg:#f3f0ff;--s-fg:#5e4db2;--s-dot:#8f7ee7}.status-IN_PROGRESS{--s-bg:#e9f2ff;--s-fg:#05c;--s-dot:#1d7afc}.status-PENDING_APPROVAL{--s-bg:#fff7d6;--s-fg:#7f5f01;--s-dot:#e2b203}.status-IMPLEMENTING{--s-bg:#ffecf8;--s-fg:#943d73;--s-dot:#da62ac}.status-WAITING_CUSTOMER{--s-bg:#e7f9ff;--s-fg:#206a83;--s-dot:#42b2d7}.status-NEEDS_HUMAN{--s-bg:#ffeceb;--s-fg:#ae2e24;--s-dot:#f15b50}.status-ESCALATED{--s-bg:#ffd5d2;--s-fg:#601e16;--s-dot:#c9372c}.status-RESOLVED{--s-bg:#dcfff1;--s-fg:#216e4e;--s-dot:#22a06b}.status-CLOSED{--s-bg:#f1f2f4;--s-fg:#626f86;--s-dot:#626f86}.task-open{--s-bg:#f3f0ff;--s-fg:#5e4db2}.task-claimed,.task-running{--s-bg:#e9f2ff;--s-fg:#05c}.task-completed{--s-bg:#dcfff1;--s-fg:#216e4e}.task-failed{--s-bg:#ffeceb;--s-fg:#ae2e24}.risk-low{--s-bg:#dcfff1;--s-fg:#216e4e}.risk-medium{--s-bg:#fff7d6;--s-fg:#7f5f01}.risk-high{--s-bg:#ffeceb;--s-fg:#ae2e24}.badge{white-space:nowrap;background:var(--s-bg,#f1f2f4);color:var(--s-fg,#44546f);border-radius:4px;align-items:center;gap:6px;padding:3px 9px;font-size:12px;font-weight:600;display:inline-flex}.status-dot{background:var(--s-dot,#8590a2);border-radius:50%;flex:none;width:8px;height:8px;display:inline-block}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{z-index:20;background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;height:52px;padding:0 20px;display:flex;position:sticky;top:0}.topbar-brand{all:unset;cursor:pointer;border-radius:8px;align-items:center;gap:10px;margin-left:-6px;padding:4px 6px;display:inline-flex}.topbar-brand:hover{background:var(--column)}.logo-mark{color:#fff;background:linear-gradient(135deg,#1d7afc,#05c);border-radius:7px;place-items:center;width:26px;height:26px;font-size:14px;font-weight:700;display:grid;box-shadow:0 1px 3px #091e424d}.brand{letter-spacing:-.01em;font-size:15px;font-weight:650}.topbar-actions{align-items:center;gap:12px;display:flex}.user-chip{color:var(--muted);align-items:center;gap:8px;font-size:13px;font-weight:500;display:inline-flex}.page{flex:1;width:100%;padding:20px 24px 40px}.page-detail{max-width:920px;margin:0 auto}.page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:14px;display:flex}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--faint);margin:0 0 3px;font-size:11px;font-weight:600}.count-badge{background:var(--column);color:var(--muted);vertical-align:3px;border-radius:999px;margin-left:10px;padding:2px 9px;font-size:12px;font-weight:600;display:inline-block}.page-head-actions{align-items:center;gap:10px;display:flex}.view-toggle{background:var(--column);border-radius:8px;gap:2px;padding:3px;display:inline-flex}.view-toggle button{color:var(--muted);cursor:pointer;background:0 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var(--border-strong);border-radius:var(--radius);text-align:center;padding:48px 24px}.empty-state p{margin:4px 0}.breadcrumb{color:var(--muted);align-items:center;gap:8px;margin:2px 0 12px;font-size:13px;display:flex}.breadcrumb a{color:var(--muted);text-decoration:none}.breadcrumb a:hover{color:var(--accent-dark);text-decoration:underline}.breadcrumb-sep{color:var(--faint)}.ticket-title{margin:0;font-size:19px;font-weight:650}.ticket-meta{flex-wrap:wrap;align-items:center;gap:6px 16px;margin:10px 0 4px;font-size:13px;display:flex}.meta-item{align-items:center;gap:6px;display:inline-flex}table{border-collapse:collapse;width:100%;font-size:13.5px}th{text-align:left;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid var(--column);padding:10px;font-size:11px;font-weight:600}td{border-bottom:1px solid var(--column);padding:10px}tbody tr:last-child td{border-bottom:none}tbody 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pre{background:#fffbfa}.diff-new{border-color:#9dd9b9}.diff-new .diff-label{color:#216e4e;background:#dcfff1}.diff-new pre{background:#fafffc}@media (width<=620px){.diff{grid-template-columns:1fr}}.msg{border:1px solid var(--border);border-radius:8px;margin:10px 0;padding:10px 14px}.msg-inbound{background:#fafbfc}.msg-outbound{background:#f6fcf9;border-color:#b7e3cd}.msg-internal_note{background:#fffbeb;border-style:dashed;border-color:#e8d590}.msg-head{justify-content:space-between;gap:12px;font-size:13px;display:flex}.msg-subject{margin-top:4px;font-size:13px;font-weight:600}.msg-body{font:inherit;white-space:pre-wrap;margin:6px 0 0;font-size:14px;line-height:1.5}.msg-attachments{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.msg-attachment-thumb{object-fit:cover;border:1px solid var(--border);border-radius:6px;width:96px;height:96px}.filters{flex-wrap:wrap;gap:8px;margin:4px 0 16px;display:flex}.filters select,.filters input{border:1px solid var(--border-strong);width:auto;color:var(--text);background:#fff;border-radius:6px;margin:0;padding:6px 10px;font-size:13px;display:inline-block}.filter-search{flex:220px;min-width:180px}.filters .archive-toggle{align-items:center;gap:6px;padding:6px 12px;font-size:13px;display:inline-flex}.filters .archive-toggle.active{color:#7f5f01;background:#fff7d6;border-color:#e2b203}.tag-row{vertical-align:middle;flex-wrap:wrap;gap:4px;margin-left:8px;display:inline-flex}.tag-chip{border:1px solid var(--accent);color:var(--accent-dark);background:#fff;border-radius:4px;align-items:center;gap:4px;padding:1px 7px;font-size:11px;font-weight:600;display:inline-flex}.tag-remove{all:unset;cursor:pointer;color:inherit;opacity:.6;padding:0 2px;font-size:13px;line-height:1}.tag-remove:hover{opacity:1}.tag-editor{flex-wrap:wrap;align-items:center;gap:10px;margin:10px 0 4px;display:flex}.tag-editor .tag-row{margin-left:0}.tag-controls{align-items:center;gap:6px;display:inline-flex}.tag-controls input,.tag-controls select{width:auto;margin:0;padding:5px 9px;font-size:13px;display:inline-block}.tag-controls button{padding:5px 12px;font-size:13px}.ticket-actions{border-top:1px dashed var(--border);margin-top:12px;padding-top:12px}.ticket-actions .actions{flex-wrap:wrap;align-items:center;margin-top:0}.ticket-actions select{padding:7px 10px;font-size:13px}.kill-switch{padding:5px 12px;font-size:13px}.kill-switch-active{animation:2s ease-in-out infinite kill-pulse}@keyframes kill-pulse{0%,to{opacity:1}50%{opacity:.75}}.notes-panel{border-top:1px dashed var(--border);margin-top:12px;padding-top:4px}.history-row td{padding:6px 10px;font-size:13px}.toast{color:#fff;max-width:min(560px,100vw - 48px);box-shadow:var(--shadow-overlay);z-index:50;background:#172b4d;border-radius:8px;padding:10px 18px;font-size:13px;animation:.2s toast-in;position:fixed;bottom:24px;left:50%;translate:-50%}@keyframes toast-in{0%{opacity:0;translate:-50% 8px}}.login-wrap{background:radial-gradient(900px 480px at 50% -10%, var(--accent-soft), transparent), var(--bg);place-items:center;min-height:100vh;display:grid}.login-card{width:360px;padding:28px}.login-card h1{margin-bottom:2px;font-size:20px}.login-card button{width:100%;margin-top:8px}.status-bf-open{--s-bg:#e9f2ff;--s-fg:#05c;--s-dot:#1d7afc}.status-bf-in_progress{--s-bg:#f3f0ff;--s-fg:#5e4db2;--s-dot:#8f7ee7}.status-bf-waiting_user{--s-bg:#e7f9ff;--s-fg:#206a83;--s-dot:#42b2d7}.status-bf-waiting_internal{--s-bg:#fff7d6;--s-fg:#7f5f01;--s-dot:#e2b203}.status-bf-closed{--s-bg:#dcfff1;--s-fg:#216e4e;--s-dot:#22a06b}.status-bf-closed_no_solution{--s-bg:#f1f2f4;--s-fg:#626f86;--s-dot:#626f86}.module-tabs{background:var(--column);border-radius:8px;gap:2px;margin-left:18px;margin-right:auto;padding:3px;display:inline-flex}.module-tabs button{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:6px;padding:5px 12px;font-size:12.5px;font-weight:600;display:inline-flex}.module-tabs button:hover{color:var(--text);background:#e4e6ea}.module-tabs button.active{background:var(--surface);color:var(--accent-dark);box-shadow:var(--shadow-card)}.module-badge{background:var(--danger);color:#fff;text-align:center;border-radius:9px;min-width:18px;padding:1px 5px;font-size:11px;font-weight:700}.bf-status-tabs{flex-wrap:wrap;gap:6px;margin:4px 0 10px;display:flex}.bf-status-tabs button{border:1px solid var(--border-strong);background:var(--surface);color:var(--muted);cursor:pointer;border-radius:999px;padding:4px 11px;font-size:12.5px;font-weight:600}.bf-status-tabs button:hover{color:var(--text)}.bf-status-tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff}.bf-unread-toggle{color:var(--muted);cursor:pointer;align-items:center;gap:6px;font-size:13px;display:inline-flex}.bf-unread-toggle input{width:auto;margin:0}.bf-unread-dot{background:var(--accent);border-radius:50%;width:8px;height:8px;margin-right:6px;display:inline-block}.bf-last-message{text-overflow:ellipsis;white-space:nowrap;max-width:260px;overflow:hidden}.bf-target-chip{margin-left:8px}.bf-status-select{border:1px solid var(--border-strong);color:var(--text);background:#fff;border-radius:6px;width:auto;margin:0;padding:6px 10px;font-size:13px}.bf-status-row{text-align:center;margin:10px 0}.bf-system-row{text-align:center;margin:10px 0;font-size:12.5px}.bf-course-card h3{margin-bottom:6px}.bf-course-actions{gap:8px;margin-top:10px;display:flex}.bf-deny-form{justify-items:start;gap:8px;margin-top:10px;display:grid}.bf-reply{border-top:1px solid var(--border);margin-top:16px;padding-top:14px}.bf-reply textarea{width:100%}.bf-reply-actions{justify-content:space-between;align-items:center;margin-top:8px;display:flex}.bf-comment-hint{color:#7f5f01;background:#fff7d6;border-radius:6px;margin-bottom:10px;padding:8px 12px;font-size:13px}@media (width<=720px){.page{padding:14px 12px 32px}.topbar{padding:0 12px}.board{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}.user-chip{display:none}.module-tabs{margin-left:8px}.module-tabs button{padding:5px 8px;font-size:11.5px}}