    :root {
      --bg: #070a12; --panel: #0d1220; --line: #1a2046; --line-2: #232a55;
      --text: #e8eaf2; --dim: #9aa2c4; --faint: #5b6488; --accent: #a8a8e0;
      --bad: #e08070; --warn: #e3c87a; --good: #6dc794;
      --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
    }
    * { box-sizing: border-box; }
    body { margin: 0; background: var(--bg); color: var(--text);
      font: 15px/1.65 var(--mono); -webkit-font-smoothing: antialiased; }
    .wrap { max-width: 720px; margin: 0 auto; padding: 40px 22px 80px; }
    header { display: flex; justify-content: space-between; align-items: baseline;
      border-bottom: 1px solid var(--line); padding-bottom: 18px; margin-bottom: 30px; }
    header a { color: var(--dim); text-decoration: none; font-size: 13px; }
    header a:hover { color: var(--text); }
    header nav { display: flex; gap: 16px; }
    .logo-mark { font-weight: 600; }
    h1 { font-size: 24px; font-weight: 600; margin: 0 0 6px; }
    .sub { color: var(--faint); font-size: 13px; margin-bottom: 22px; }
    h2 { font-size: 15px; font-weight: 600; margin: 30px 0 10px; color: var(--dim);
      text-transform: uppercase; letter-spacing: 0.04em; }
    p { color: var(--text); margin: 0 0 12px; }
    ul { margin: 0 0 14px; padding-left: 20px; color: var(--text); }
    li { margin: 0 0 6px; }
    a.inline { color: var(--accent); }

    .notice { background: rgba(163,168,224,0.07); border: 1px solid var(--line-2);
      border-radius: 10px; padding: 16px 18px; font-size: 13.5px; color: var(--text);
      margin: 0 0 28px; line-height: 1.6; }
    .notice b { color: var(--accent); }
    .notice.warn { background: rgba(227,200,122,0.08); border-color: rgba(227,200,122,0.35); }
    .notice.warn b { color: var(--warn); }

    form { margin-top: 8px; }
    .field { margin-bottom: 20px; }
    label { display: block; font-size: 12.5px; font-weight: 600; color: var(--dim);
      text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 7px; }
    .field-hint { font-size: 12px; color: var(--faint); margin-top: 6px; }
    input[type="text"], input[type="email"], textarea {
      width: 100%; background: var(--panel); border: 1px solid var(--line-2);
      border-radius: 8px; color: var(--text); font: 14px/1.5 var(--mono);
      padding: 11px 13px; outline: none; }
    input[type="text"]:focus, input[type="email"]:focus, textarea:focus {
      border-color: var(--accent); }
    textarea { resize: vertical; min-height: 90px; }
    textarea#argument { min-height: 160px; }
    textarea#evidence { min-height: 70px; }
    .char-count { font-size: 11px; color: var(--faint); text-align: right; margin-top: 4px; }
    .char-count.over { color: var(--bad); }

    button.submit { width: 100%; background: var(--accent); color: #0a0e1c; border: none;
      border-radius: 8px; padding: 13px 16px; font: 600 14px/1 var(--mono); cursor: pointer;
      margin-top: 6px; }
    button.submit:hover { opacity: 0.92; }
    button.submit:disabled { opacity: 0.5; cursor: default; }

    .status { margin-top: 16px; padding: 13px 15px; border-radius: 8px; font-size: 13.5px;
      display: none; }
    .status.show { display: block; }
    .status.ok { background: rgba(109,199,148,0.1); border: 1px solid rgba(109,199,148,0.35); color: var(--good); }
    .status.err { background: rgba(224,128,112,0.1); border: 1px solid rgba(224,128,112,0.35); color: var(--bad); }

    footer { text-align: center; color: var(--faint); font-size: 12px;
      margin-top: 48px; border-top: 1px solid var(--line); padding-top: 22px; }
    footer a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
    footer a:hover { color: var(--dim); }
