:root{--bg:#f3f5f7;--panel:#fff;--ink:#1a2332;--muted:#5b6b7c;--line:#d7dee7;--accent:#0b5f4a;--accent-ink:#fff;--danger:#9b1c1c;--warn:#8a5a00;--ok:#0b5f4a;--font:"IBM Plex Sans JP", "Segoe UI", sans-serif;--mono:"IBM Plex Mono", Consolas, monospace}*{box-sizing:border-box}html,body{background:radial-gradient(circle at top left, #e8eef3 0%, transparent 40%), linear-gradient(180deg, #eef2f5 0%, var(--bg) 40%);color:var(--ink);font-family:var(--font);min-height:100%;margin:0;padding:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-shell{min-height:100vh}.layout{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.sidebar{color:#e8eef5;background:#102033;padding:1.25rem 1rem}.sidebar .brand{letter-spacing:.02em;margin-bottom:.25rem;font-size:1.05rem;font-weight:700}.sidebar .sub{color:#9db0c4;margin-bottom:1.5rem;font-size:.8rem}.sidebar nav{flex-direction:column;gap:.35rem;display:flex}.sidebar a{color:#d7e3ef;border-radius:6px;padding:.45rem .55rem}.sidebar a:hover{background:#ffffff14;text-decoration:none}.main{padding:1.5rem 1.75rem 2.5rem}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:1.1rem 1.2rem}h1{margin:0 0 .75rem;font-size:1.45rem}h2{margin:0 0 .6rem;font-size:1.1rem}.muted{color:var(--muted)}.stack{flex-direction:column;gap:1rem;display:flex}.row{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}label{flex-direction:column;gap:.3rem;font-size:.9rem;display:flex}input,select,textarea,button{font:inherit}input,select,textarea{border:1px solid var(--line);background:#fff;border-radius:6px;padding:.45rem .55rem}button,.btn{border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);cursor:pointer;border-radius:6px;padding:.45rem .8rem}button.secondary,.btn.secondary{color:var(--accent);background:#fff}button.danger{background:var(--danger);border-color:var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:.55rem .4rem}.badge{border:1px solid var(--line);border-radius:999px;padding:.1rem .5rem;font-size:.75rem;display:inline-block}.badge.warn{color:var(--warn);background:#fff8e8;border-color:#e6c78a}.badge.danger{color:var(--danger);background:#fff0f0;border-color:#e3b0b0}.badge.ok{color:var(--ok);background:#eef8f3;border-color:#9dceb8}.error{color:var(--danger)}.login-wrap{place-items:center;min-height:100vh;padding:1rem;display:grid}.login-card{width:min(420px,100%)}a.button{background:var(--accent);color:var(--accent-ink);border:none;border-radius:6px;justify-content:center;align-items:center;padding:.65rem 1rem;font-weight:600;text-decoration:none;display:inline-flex}a.button:hover{filter:brightness(1.05);text-decoration:none}.mono{font-family:var(--mono);font-size:.85rem}