:root{color-scheme:dark;--bg:#07131d;--panel:#0e1c26;--ink:#edf5ff;--muted:#afc0d1;--accent:#5cc8ff;--border:#8cb1c82e}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 'Segoe UI',Arial,sans-serif}a{color:var(--accent);text-underline-offset:4px}.bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 22px;background:var(--panel);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:20px;text-decoration:none}.badge{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#35d0c2;color:#07131d;font-size:16px}nav{display:flex;align-items:center;gap:18px}.button,button{display:inline-block;border:1px solid #35d0c266;border-radius:10px;background:#14313c;color:#8ae2dc;padding:9px 14px;cursor:pointer;text-decoration:none;font:inherit}.notice{margin:0;padding:10px 22px;color:var(--muted);font-size:13px}iframe{display:block;width:100%;height:calc(100dvh - 113px);min-height:650px;border:0}.content{max-width:880px;margin:40px auto;padding:0 22px}h1{font-size:30px;line-height:1.2}.muted{color:var(--muted)}.checks{padding:0;list-style:none;display:grid;gap:14px}.checks li{padding:18px;background:var(--panel);border:1px solid var(--border);border-radius:14px}.checks strong,.checks output{display:block}.checks output{margin-top:8px;color:var(--muted)}.checks .success{color:#8ae2dc}.checks .uncertain{color:#ffd166}.actions{display:flex;gap:14px;flex-wrap:wrap;margin:24px 0}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--panel);padding:18px;border-radius:12px}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}@media(max-width:650px){.bar{flex-direction:column;align-items:flex-start;padding:14px}nav{gap:12px;font-size:13px}.notice{padding:10px 14px}iframe{height:calc(100dvh - 160px)}}
.login{max-width:360px;margin:12vh auto;padding:0 22px}.login h1{font-size:26px}.login form{display:grid;gap:16px}.login label{display:grid;gap:6px;color:var(--muted);font-size:14px}.login input{padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--ink);font:inherit}.login-error{min-height:1.4em;margin:0;color:#ff5f6d}