:root{--bg:#0f1115;--panel:#171a21;--line:#262b36;--text:#e8eaf0;--muted:#8b93a5;--accent:#4f7cff;--err:#f0776e;--ok:#43c47a}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:860px;margin:0 auto;padding:24px 20px 60px}
nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;gap:12px;flex-wrap:wrap}
nav b{font-size:1.1rem}nav .r{display:flex;gap:8px}
h1{font-size:1.6rem;margin:0 0 6px}h2{font-size:1.1rem;margin:28px 0 8px}p,.muted{color:var(--muted)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;margin:12px 0}
label{display:block;margin:12px 0 4px;font-size:.9rem}
input[type=text],input[type=email],input[type=password],input:not([type]){width:100%;padding:10px;border-radius:8px;border:1px solid var(--line);background:#0b0d11;color:var(--text);font:inherit}
button,.btn{display:inline-block;margin-top:12px;padding:9px 16px;border:0;border-radius:8px;background:var(--accent);color:#fff;font:600 .95rem system-ui,sans-serif;cursor:pointer;text-decoration:none}
button.ghost,.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}button.danger{background:#b3382f}
.msg{min-height:1.4em;margin-top:10px}.err{color:var(--err)}.ok{color:var(--ok)}
code{background:#0b0d11;border:1px solid var(--line);padding:2px 7px;border-radius:6px;word-break:break-all}
.chip{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.8rem;margin:2px 4px 2px 0;border:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:4px 12px}
.grid label{margin:2px 0;display:flex;gap:6px;align-items:center}
.tabs{display:flex;gap:8px}.tabs button{margin:0}.tabs button.on{background:var(--accent)}