:root{--ink:#16211d;--sub:#3c4a44;--muted:#67786f;--line:#dde5df;--bg:#fff;--panel:#f4f7f4;--accent:#0071be;--accent-ink:#00568f;--accent-bg:#e6f2fb;--warn:#9a5a12;--warn-bg:#fdf2e3;--ok:#1e7250;--ok-bg:#e7f6ee;--danger:#b03651;--danger-bg:#fdedf0;--mint:#2f9e6e;--mint-bg:#e7f6ee;--teal:#0891a8;--teal-bg:#e3f6fa;--tone-pending:#d98324;--tone-progress:#7c5cd6;--tone-ok:#2f9e6e;--tone-danger:#d2536c;--tone-neutral:#c6d3ca}*{box-sizing:border-box}body{color:var(--ink);background:var(--panel);margin:0;font-family:-apple-system,PingFang TC,Microsoft JhengHei,Segoe UI,Helvetica,Arial,sans-serif}.page{max-width:880px;margin:0 auto;padding:32px 20px 80px}.card{background:var(--bg);border:1px solid var(--line);border-radius:10px;margin-bottom:20px;padding:24px}h1{margin:0 0 20px;font-size:22px}.login-logo{width:auto;height:44px;margin:0 auto 18px;display:block}h2{margin:0 0 14px;font-size:17px}label{color:var(--sub);margin:14px 0 4px;font-size:13px;display:block}input,select,textarea{border:1px 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a{color:var(--accent-ink,var(--accent));font-weight:600}@media (width<=768px){.upload-fallback{padding:10px 14px;font-size:13.5px}}.case-code{font-variant-numeric:tabular-nums;letter-spacing:.02em;color:var(--ink);font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,monospace;font-size:15px;font-weight:700}.record-code .case-code,.case-code.lg{font-size:16px}.tone-pending{--tone:var(--tone-pending)}.tone-progress{--tone:var(--tone-progress)}.tone-ok{--tone:var(--tone-ok)}.tone-danger{--tone:var(--tone-danger)}.tone-neutral{--tone:var(--tone-neutral)}.record-card{padding-left:22px;position:relative;overflow:hidden}.record-card:before{content:"";background:var(--tone,transparent);width:4px;position:absolute;top:0;bottom:0;left:0}tbody tr[class*=tone-]>td:first-child{box-shadow:inset 4px 0 0 var(--tone,transparent)}tbody tr:hover>td{background:var(--panel)}.tag{background:var(--surface-2);border-color:var(--line-strong)}.chip.neutral{background:var(--surface-2);color:var(--sub)}.chat-bubble.customer{background:var(--bg);border-color:var(--line-strong)}.chat-bubble.on-behalf{border-style:dashed;border-color:var(--accent);background:var(--bg)}.chat-bubble.on-behalf .chat-meta{color:var(--accent-ink);font-weight:700}