:root{color-scheme:light;--bg:#f5f6fa;--surface:#fff;--soft:#f8f8fc;--ink:#24283b;--muted:#697389;--line:#e4e7f0;--accent:#7560ce;--selected:#f1edfc}
[data-theme=dark]{color-scheme:dark;--bg:#10141d;--surface:#191f2b;--soft:#151b27;--ink:#edf0f8;--muted:#a8b3c7;--line:#30394c;--accent:#b3a5ff;--selected:#25213b}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,'Segoe UI',sans-serif;font-size:14px;line-height:1.6}a{color:var(--accent);text-underline-offset:3px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}
.inbox-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px max(24px,calc((100vw - 1320px)/2));border-bottom:1px solid var(--line);background:var(--surface)}.inbox-brand{font-size:20px;font-weight:750;letter-spacing:-.7px;text-decoration:none;color:var(--ink)}.inbox-brand span{color:var(--accent)}.inbox-top a:last-child{font-size:12px}.inbox-main{max-width:1320px;margin:0 auto;padding:44px 24px}.eyebrow{text-transform:uppercase;font-size:10px;letter-spacing:2px;color:var(--accent);font-weight:700}h1{font-size:32px;letter-spacing:-1px;line-height:1.25;margin:10px 0}h2{font-size:18px;margin:0 0 18px}.intro{color:var(--muted);margin:0 0 30px;max-width:720px}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:25px}.login-card{max-width:560px}.login-card label,.field{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:600}input,select,textarea{background:var(--soft);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:11px 12px;max-width:100%;width:100%}textarea{resize:vertical;min-height:150px}input::placeholder,textarea::placeholder{color:var(--muted)}.help{font-size:12px;line-height:1.7;color:var(--muted)}.primary,.secondary{border:1px solid var(--line);border-radius:8px;padding:10px 15px;font-weight:600;font-size:12px}.primary{background:var(--accent);color:white;border-color:transparent}[data-theme=dark] .primary{color:#171321}.secondary{background:var(--surface);color:var(--ink)}.login-card .primary{margin-top:18px}.notice{color:var(--muted);font-size:12px;line-height:1.65}.notice[data-state=error]{color:#b14963}[data-theme=dark] .notice[data-state=error]{color:#f2a8b9}.notice[data-state=success]{color:#448268}[data-theme=dark] .notice[data-state=success]{color:#a5dfc0}.workspace-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:26px 0 18px}.workspace-toolbar select{width:auto;min-width:155px}.export-option{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted);margin-left:auto}.export-option input{width:auto}.inbox-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:20px;align-items:start}.message-list{padding:10px;max-height:720px;overflow:auto}.message-preview{width:100%;display:flex;flex-direction:column;gap:8px;text-align:left;border:1px solid transparent;border-radius:9px;padding:16px;background:transparent;color:var(--ink);margin-bottom:4px}.message-preview[aria-pressed=true]{background:var(--selected);border-color:var(--line)}.message-preview:hover{background:var(--soft)}.preview-top{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:10px;color:var(--muted)}.preview-text{line-height:1.6;font-size:12px;overflow-wrap:anywhere}.badge{font-size:10px;border-radius:5px;padding:3px 7px;background:var(--selected);color:var(--accent)}.badge[data-status=resolved]{background:#e4f3eb;color:#347754}[data-theme=dark] .badge[data-status=resolved]{background:#203b31;color:#a5dfc0}.detail-top{display:flex;align-items:center;gap:10px;justify-content:space-between;margin-bottom:15px}.detail-top h2{margin:0}.detail-meta{font-size:11px;color:var(--muted);overflow-wrap:anywhere}.detail-message{padding:20px;background:var(--soft);border:1px solid var(--line);border-radius:9px;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-size:13px;margin:18px 0 24px}.detail-fields{display:grid;gap:18px}.detail-fields select{width:210px}.detail-actions{display:flex;align-items:center;gap:18px;margin-top:20px}.list-empty{text-align:center;padding:30px 18px;color:var(--muted);font-size:13px}.list-footer{margin-top:14px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:11px}.inbox-footer{padding-top:32px;font-size:11px;color:var(--muted)}.tracker-main{max-width:720px}.tracker-form{display:flex;flex-direction:column;gap:15px}.tracking-input{font-family:ui-monospace,Consolas,monospace;letter-spacing:1px}.tracking-result{margin-top:22px}.tracking-reply{white-space:pre-wrap;overflow-wrap:anywhere;border-top:1px solid var(--line);padding-top:18px;margin-top:18px;font-size:14px}.tracking-result .badge{font-size:13px;padding:6px 10px}.setup-help{margin-top:25px}.setup-help summary{color:var(--accent);font-size:12px;cursor:pointer}.logout{margin-left:auto}.short-note{font-size:11px;color:var(--muted)}
@media(max-width:760px){.inbox-top{padding:16px 20px}.inbox-main{padding:30px 18px}.inbox-layout{grid-template-columns:1fr}.message-list{max-height:340px}.inbox-layout>.card{padding:18px}.inbox-layout>.message-list{padding:8px}h1{font-size:27px}.workspace-toolbar{gap:8px}.export-option{margin-left:0;width:100%}.logout{margin-left:0}.detail-top{align-items:flex-start}.detail-actions{flex-wrap:wrap}.card{padding:20px}}
dialog{width:min(440px,calc(100vw - 32px));padding:25px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--ink)}dialog::backdrop{background:#0b1026aa;backdrop-filter:blur(4px)}