:root{--bg:#0f172a;--card:#1e293b;--text:#e2e8f0;--muted:#94a3b8;--accent:#38bdf8;--border:#334155;--err:#f87171;--ok:#4ade80;--warn:#fbbf24}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text);font-family:"Noto Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif;padding:16px}
.card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:28px}
.card.wide{max-width:640px}
h1{margin:0 0 4px;font-size:1.5rem}h2{font-size:1.1rem;margin:24px 0 8px}
.muted{color:var(--muted)}.small{font-size:.85rem}
a{color:var(--accent)}
form{display:flex;flex-direction:column;gap:14px;margin-top:16px}
label{display:flex;flex-direction:column;gap:6px;font-size:.9rem}
select{padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:#0b1220;color:var(--text);font-size:1rem}
input[type=text],input[type=password]{padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:#0b1220;color:var(--text);font-size:1rem}
input:focus{outline:2px solid var(--accent);border-color:transparent}
button{padding:11px 14px;border:0;border-radius:8px;background:var(--accent);color:#04202e;font-weight:600;font-size:1rem;cursor:pointer}
button.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
button.danger{background:var(--err);color:#2a0a0a}
.alert{padding:10px 12px;border-radius:8px;margin:12px 0;font-size:.9rem;border:1px solid}
.alert.error{border-color:var(--err);color:var(--err)}.alert.ok{border-color:var(--ok);color:var(--ok)}.alert.warn{border-color:var(--warn);color:var(--warn)}
.bar{display:flex;justify-content:space-between;align-items:center}
.bar form{margin:0}
.hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden}
code.secret{font-size:1.1rem;letter-spacing:.08em;background:#0b1220;padding:4px 8px;border-radius:6px}
code.uri{word-break:break-all;font-size:.75rem}