:root{color-scheme:light;--navy:#0b1f3a;--blue:#174f8a;--bg:#f3f6fa;--line:#d8e0ea;--text:#172033;--muted:#657087;--danger:#b42318;--ok:#137333}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.5}.topbar{display:flex;gap:1.5rem;align-items:center;justify-content:space-between;padding:1rem max(1rem,calc((100% - 1100px)/2));background:var(--navy);color:#fff}.brand{font-weight:800;letter-spacing:.04em}.topbar a{color:#fff;text-decoration:none}.topbar nav{display:flex;gap:1rem;flex-wrap:wrap}.topbar .mode-switch{padding:.25rem .6rem;border:1px solid rgba(255,255,255,.65);border-radius:6px}.container{width:min(1100px,calc(100% - 2rem));margin:2rem auto}.auth{width:min(520px,100%);margin:4rem auto}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1.25rem;margin-bottom:1rem;box-shadow:0 4px 18px rgba(20,35,60,.05)}h1,h2,h3{line-height:1.2}label{display:block;font-weight:650;margin:.8rem 0 .3rem}input,select,textarea{width:100%;padding:.7rem .8rem;border:1px solid #b9c5d4;border-radius:7px;background:#fff;color:var(--text);font:inherit}textarea{min-height:120px;resize:vertical}button,.button{display:inline-block;border:0;border-radius:7px;padding:.68rem 1rem;background:var(--blue);color:#fff;text-decoration:none;font:inherit;font-weight:700;cursor:pointer}.button.secondary{background:#5d687a}.button.danger,button.danger{background:var(--danger)}.inline{display:inline}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}.notice{padding:.8rem 1rem;border-radius:8px;margin:1rem 0;background:#e8f1ff;border:1px solid #b9d2fa}.notice.error{background:#fff0ef;border-color:#fac5c0;color:#861f17}.notice.ok{background:#ecf8ef;border-color:#b7e1c0;color:#0d5d2a}.muted{color:var(--muted)}.badge{display:inline-block;padding:.2rem .5rem;border-radius:99px;background:#e9eef5;font-size:.85rem}.badge.ok{background:#daf1df;color:#0d5d2a}.badge.warn{background:#fff0c7;color:#745500}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:.65rem;border-bottom:1px solid var(--line);vertical-align:top}.actions{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}.message-body{white-space:pre-wrap}.attachments{margin:.7rem 0}.attachments a{word-break:break-word}footer{text-align:center;color:var(--muted);padding:2rem}@media(max-width:760px){.topbar{align-items:flex-start;flex-direction:column}.topbar nav{gap:.7rem}.table-scroll{overflow-x:auto}.container{margin-top:1rem}}