:root {
    --bg: #ffffff;
    --card: #ffffff;
    --line: #e2ece7;
    --text: #0d1b14;
    --muted: #6a7d72;
    --accent: #0ea46b;
    --danger: #f87171;
  }
  * { box-sizing: border-box; }
  body {
    margin: 0;
    min-height: 100vh;
    background-image:
      radial-gradient(700px 420px at 80% -10%, rgba(14, 164, 107, 0.10), transparent 60%),
      radial-gradient(600px 380px at -5% 10%, rgba(10, 125, 82, 0.07), transparent 55%);
    display: grid;
    place-items: center;
    padding: 24px;
    background-color: var(--bg);
    color: var(--text);
    font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  }
  .card {
    width: 100%;
    max-width: 380px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 32px 28px;
    box-shadow: 0 18px 44px -24px rgba(4, 26, 15, 0.22);
  }
  h1 {
    font-family: 'Space Grotesk', Inter, sans-serif;
    font-size: 21px;
    margin: 0 0 6px;
  }
  h1 span { color: var(--accent); }
  p.sub { margin: 0 0 24px; color: var(--muted); font-size: 14px; }
  label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; }
  input {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    color: var(--text);
    background: #f8fbf9;
    border: 1px solid var(--line);
    border-radius: 9px;
    font-family: inherit;
  }
  input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
  button {
    width: 100%;
    margin-top: 16px;
    padding: 12px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    background: var(--accent);
    border: 0;
    border-radius: 9px;
    cursor: pointer;
  }
  button:disabled { opacity: .6; cursor: default; }
  .msg {
    margin-top: 16px;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    background: rgba(248, 113, 113, .12);
    border: 1px solid rgba(248, 113, 113, .35);
    color: #fca5a5;
  }
  [hidden] { display: none !important; }