:root{--bg: #f5f6f8;--surface: #ffffff;--border: #e2e5ea;--text: #1a1d23;--muted: #6b7280;--primary: #2563eb;--primary-dark: #1d4ed8;--high: #15803d;--medium: #b45309;--low: #b91c1c;--radius: 10px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 28px;background:var(--surface);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--primary),#7c3aed);color:#fff;font-weight:700;font-size:14px}.brand-name{font-weight:700;font-size:18px}.user-badge{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-size:14px;padding:0}.link-btn:hover{text-decoration:underline}.muted{color:var(--muted)}.small{font-size:13px}.gate{display:flex;justify-content:center;padding:60px 20px 0}.gate-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px;text-align:center;max-width:380px;box-shadow:0 1px 3px #0000000f}.gate-card h1{font-size:22px;margin:0 0 8px}.gate-card p{margin:0 0 24px}.gate-message{background:#fef2f2;color:var(--low);border:1px solid #fecaca;border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:20px}#google-signin-button{display:flex;justify-content:center}.app-shell{display:flex;align-items:flex-start;gap:24px;max-width:1100px;margin:0 auto;padding:32px 20px 48px}.history-panel{width:240px;flex-shrink:0;position:sticky;top:32px}.new-chat-btn{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:10px 14px;font-size:14px;font-weight:600;color:var(--primary);cursor:pointer;margin-bottom:12px}.new-chat-btn:hover{background:#eff6ff}.history-list{display:flex;flex-direction:column;gap:4px}.history-empty{padding:8px 4px}.date-node{display:flex;flex-direction:column}.date-header{display:flex;align-items:center;gap:8px;width:100%;text-align:left;background:none;border:1px solid transparent;border-radius:8px;padding:8px 10px;cursor:pointer;font-size:13px;font-weight:600;color:var(--text)}.date-header:hover{background:var(--surface);border-color:var(--border)}.chevron{display:inline-block;transition:transform .15s ease;color:var(--muted);font-size:11px}.chevron.expanded{transform:rotate(90deg)}.date-label{flex:1}.date-count{background:var(--bg);color:var(--muted);font-size:11px;font-weight:600;border-radius:999px;padding:2px 7px}.date-entries{display:flex;flex-direction:column;gap:2px;padding:2px 0 4px 20px}.entry-row{display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;text-align:left;background:none;border:1px solid transparent;border-radius:8px;padding:6px 10px;cursor:pointer;font-size:13px;color:var(--text)}.entry-row:hover{background:var(--surface);border-color:var(--border)}.entry-row.active{background:#eff6ff;border-color:#bfdbfe}.entry-snippet{font-weight:500;line-height:1.3}.chat-view{flex:1;min-width:0}.welcome-message{background:#eff6ff;border:1px solid #bfdbfe;border-radius:var(--radius);padding:16px 20px;margin-bottom:20px;font-size:14px}.welcome-message p{margin:0}.chat-intro{margin-bottom:24px}.chat-intro h1{font-size:24px;margin:0 0 6px}.chat-intro p{margin:0}.readonly-banner{background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px}.readonly-ticket{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;white-space:pre-wrap;font-size:14px;color:var(--text);margin-bottom:20px}.ticket-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:0 1px 3px #0000000f}textarea{width:100%;resize:vertical;border:1px solid var(--border);border-radius:8px;padding:12px;font-family:inherit;font-size:14px;min-height:160px}textarea:focus{outline:2px solid var(--primary);outline-offset:1px}.form-row{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.form-actions{display:flex;gap:10px}button[type=submit]{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:10px 20px;font-size:14px;font-weight:600;cursor:pointer}button[type=submit]:hover{background:var(--primary-dark)}button[type=submit]:disabled{opacity:.6;cursor:default}.secondary-btn{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer}.secondary-btn:hover{background:var(--bg)}#result-area{margin-top:24px}.loading{text-align:center;color:var(--muted);padding:32px}.result-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;box-shadow:0 1px 3px #0000000f}.result-header{display:flex;align-items:center;justify-content:space-between}.result-header h2{margin:0;font-size:18px}.badge{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;text-transform:capitalize}.badge-high{background:#dcfce7;color:var(--high)}.badge-medium{background:#fef3c7;color:var(--medium)}.badge-low{background:#fee2e2;color:var(--low)}.result-summary{font-size:15px;margin:14px 0}.result-card h3{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:20px 0 8px}.steps{margin:0;padding-left:20px}.steps li{margin-bottom:6px}.caveat-box{background:#fffbeb;border:1px solid #fde68a;border-radius:8px;padding:10px 14px;font-size:13px;margin-top:12px}.ref-list{list-style:none;margin:0;padding:0}.ref-ticket{border:1px solid var(--border);border-radius:8px;padding:10px 14px;margin-bottom:8px;display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:baseline}.ref-id{font-weight:600;color:var(--primary);font-size:13px}.ref-subject{font-size:14px}.ref-score{font-size:12px;color:var(--muted)}.ref-why{grid-column:1 / -1}.error-box{background:#fef2f2;color:var(--low);border:1px solid #fecaca;border-radius:8px;padding:14px 18px}.rating-block{margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.rating-block h3{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 8px}.stars{display:flex;gap:4px}.star{background:none;border:none;font-size:22px;line-height:1;color:var(--border);cursor:pointer;padding:2px}.star:hover:not(:disabled){color:#fbbf24}.star.filled{color:#f59e0b}.star:disabled{cursor:default}.feedback-box{margin-top:10px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}.feedback-textarea{width:100%;resize:vertical;border:1px solid var(--border);border-radius:8px;padding:10px;font-family:inherit;font-size:13px;min-height:60px}.feedback-text{font-size:13px;margin:6px 0 0;white-space:pre-wrap}.admin-view{max-width:1000px;margin:0 auto;padding:32px 20px 48px}.admin-view h1{font-size:22px;margin:0 0 4px}.admin-loading{padding:32px;text-align:center}.admin-header{margin-bottom:8px}.admin-tabs{display:inline-flex;gap:2px;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:3px;margin-bottom:20px}.admin-tab{background:none;border:none;border-radius:999px;padding:7px 18px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer}.admin-tab:hover{color:var(--text)}.admin-tab.active{background:var(--surface);color:var(--primary);box-shadow:0 1px 2px #0000000f}.admin-user-list,.admin-date-list{display:flex;flex-direction:column;gap:8px;margin-top:20px}.admin-user-row,.admin-date-row{display:flex;flex-direction:column;align-items:flex-start;gap:3px;width:100%;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 16px;cursor:pointer;font-size:14px;color:var(--text);transition:border-color .1s ease,box-shadow .1s ease}.admin-user-row:hover,.admin-date-row:hover{border-color:var(--primary);box-shadow:0 1px 3px #0000000f}.admin-date-row{flex-direction:row;align-items:center;justify-content:space-between}.admin-user-name{font-weight:600;display:flex;align-items:center;gap:8px}.admin-table-toolbar{display:flex;justify-content:flex-end;margin-top:20px}.admin-table-wrap{overflow-x:auto;margin-top:10px;border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 1px 3px #0000000f}.admin-table{width:100%;border-collapse:collapse;background:var(--surface);font-size:13px}.admin-table th,.admin-table td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:top}.admin-table thead th{background:var(--bg);color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;position:sticky;top:0;-webkit-user-select:none;user-select:none;white-space:nowrap}.admin-table th.sortable{cursor:pointer}.admin-table th.sortable:hover{color:var(--primary)}.admin-table tbody tr:last-child td{border-bottom:none}.admin-table tbody tr:nth-child(2n){background:#fafbfc}.admin-table tbody tr:hover{background:#eff6ff}.admin-cell-expand{cursor:pointer;max-width:260px}.admin-cell-expand.expanded{white-space:pre-wrap;max-width:400px}.admin-cell-expand:not(.expanded){white-space:nowrap;overflow:hidden;text-overflow:ellipsis}