:root{--canvas:#f8fafc;--surface:#fff;--ink:#14213d;--muted:#64748b;--subtle:#f1f5f9;--line:#e2e8f0;--blue:#2563eb;--blue-hover:#1d4ed8;--blue-soft:#eff6ff;--violet:#7c3aed;--violet-soft:#f5f3ff;--amber:#d97706;--amber-soft:#fffbeb;--green:#15803d;--green-soft:#f0fdf4;--red:#dc2626;--red-soft:#fef2f2;--radius-sm:7px;--radius:10px;--radius-lg:14px;--shadow:0 14px 40px #0f172a12;color:var(--ink);background:var(--canvas);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#root{min-width:320px;min-height:100%;margin:0}body{background:var(--canvas);min-height:100vh;font-size:14px;line-height:1.5}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.62}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline-offset:2px;outline:3px solid #2563eb3d}h1,h2,h3,p{margin-top:0}a{color:inherit}.button{border:1px solid var(--line);color:#334155;background:var(--surface);border-radius:8px;min-height:38px;padding:0 14px;font-size:13px;font-weight:680}.button:hover{background:var(--subtle)}.button.primary{color:#fff;border-color:var(--blue);background:var(--blue)}.button.primary:hover{background:var(--blue-hover)}.button.wide{width:100%;min-height:44px}.brand{letter-spacing:-.03em;align-items:center;gap:10px;font-size:21px;font-weight:780;display:inline-flex}.brand-mark{color:#fff;background:var(--blue);border-radius:8px 8px 12px;place-items:center;width:30px;height:30px;font-weight:900;display:grid;transform:rotate(-4deg)}.text-link{color:var(--blue);font-weight:650;text-decoration:none}.form-error{color:#b91c1c;background:var(--red-soft);border:1px solid #fecaca;border-radius:8px;margin:0;padding:9px 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h3{margin-bottom:10px}.notification-popover article{border-top:1px solid var(--line);padding:10px 0}.notification-popover article p{color:var(--muted);margin:3px 0 0;font-size:12px}.workspace{grid-template-columns:236px 440px minmax(520px,1fr);min-height:calc(100vh - 64px);display:grid}.ticket-sidebar{border-right:1px solid var(--line);background:var(--canvas);padding:22px 12px}.sidebar-title{color:var(--ink);margin:0 12px 13px;font-size:15px;font-weight:780}.ticket-sidebar button{color:#475569;background:0 0;border:0;border-radius:8px;justify-content:space-between;align-items:center;width:100%;min-height:42px;padding:0 11px;font-size:13px;display:flex}.ticket-sidebar button span{align-items:center;gap:9px;display:flex}.ticket-sidebar button b{font-size:12px;font-weight:650}.ticket-sidebar button:hover{background:var(--subtle)}.ticket-sidebar button.active{color:var(--blue);background:var(--blue-soft);font-weight:750}.admin-ticket-links{border-top:1px solid 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11px;font-size:13px;text-decoration:none;display:flex}.admin-nav a:hover,.admin-nav a.active{color:var(--blue);background:var(--blue-soft)}.admin-content{background:#fff;min-width:0;padding:30px}.admin-page>header{justify-content:space-between;gap:20px;margin-bottom:24px;display:flex}.admin-page h1{margin-bottom:4px;font-size:22px}.admin-page header p{color:var(--muted);margin:0}.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:auto}table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;padding:13px 14px}th{color:var(--muted);background:var(--canvas);font-size:12px;font-weight:750}td{color:#334155;font-size:13px}tbody tr:last-child td{border-bottom:0}code{color:#475569;background:var(--subtle);border-radius:5px;padding:3px 6px}.empty-cell{height:160px;color:var(--muted);text-align:center}.settings-form{border:1px solid var(--line);border-radius:var(--radius);max-width:620px;padding:24px}.settings-form .button{justify-self:start}.settings-form .checkbox{align-items:center;display:flex}.settings-form .checkbox input{width:auto}.security-warning{color:#92400e;background:var(--amber-soft);border:1px solid #fde68a;border-radius:8px;padding:12px}@media (width<=960px){.workspace{grid-template-columns:180px 320px minmax(390px,1fr)}.ticket-detail{padding-left:22px;padding-right:22px}}@media (width<=760px){.topbar{height:58px;padding:0 15px}.brand{font-size:18px}.brand-mark{width:27px;height:27px}.account-name{display:none}.mobile-detail-topbar{z-index:12;position:sticky;top:0}.mobile-detail-topbar .brand{visibility:hidden}.mobile-detail-topbar .mobile-detail-title{font-size:17px;display:block;position:absolute;left:50%;transform:translate(-50%)}.mobile-detail-topbar .top-actions>button{display:none}.workspace{min-height:calc(100vh - 58px);display:block}.ticket-sidebar{border-right:0;border-bottom:1px solid 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var(--line);gap:4px;padding:8px 10px;display:flex;overflow-x:auto}.admin-nav-title{display:none}.admin-nav a{flex:none;min-height:40px}.admin-content{padding:20px 14px}.admin-page>header{align-items:flex-start}.form-grid{grid-template-columns:1fr}.ticket-form-drawer{padding:20px 16px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}