:root {
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --line: #d4d4d4;
  --accent: #1c5d99;
  --error: #a4262c;
  --bg: #ffffff;
  --field-bg: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #ececec;
    --muted: #a8a8a8;
    --line: #444;
    --accent: #7cb3e8;
    --error: #ff8a8a;
    --bg: #1b1b1b;
    --field-bg: #262626;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

h1 { font-size: 1.5rem; margin: 0 0 .25rem; }
.description { color: var(--muted); margin: 0 0 2rem; }

.field { margin-bottom: 1.5rem; }

label {
  display: block;
  font-weight: 600;
  margin-bottom: .4rem;
}

.req { color: var(--error); margin-left: .15rem; }

input[type=text], input[type=date], input[type=number],
input[type=tel], input[type=email], textarea, select {
  width: 100%;
  padding: .6rem .7rem;
  font: inherit;
  color: var(--fg);
  background: var(--field-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
}

textarea { min-height: 6rem; resize: vertical; }

.check { display: flex; gap: .6rem; align-items: flex-start; }
.check input { margin-top: .35rem; width: 1.1rem; height: 1.1rem; flex: none; }
.check label { font-weight: 400; margin: 0; }

canvas.sig {
  width: 100%;
  height: 10rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  touch-action: none;
  display: block;
}

.sig-actions { margin-top: .4rem; }

button {
  font: inherit;
  padding: .55rem 1.1rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--field-bg);
  color: var(--fg);
  cursor: pointer;
}

#submit {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: .7rem 1.6rem;
}

#submit[disabled] { opacity: .55; cursor: not-allowed; }

.turnstile { margin: 1.5rem 0; }

.error {
  color: var(--error);
  font-size: .9rem;
  margin-top: .3rem;
}

.status { margin-top: 1.5rem; font-weight: 600; }
.status.ok { color: var(--accent); }
.status.bad { color: var(--error); }

#form-picker { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: 2rem; }

input:invalid, textarea:invalid, select:invalid { border-color: var(--line); }
.field.has-error input, .field.has-error textarea,
.field.has-error select, .field.has-error canvas { border-color: var(--error); }