/* Spam-Schutz-Kästchen „Ich bin kein Roboter“ (includes/captcha.php, assets/captcha.js). */

.cap {
  margin: var(--space-4) 0;
  padding: 12px 14px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
}
.cap.is-invalid { border-color: var(--brand-ink); }
.cap.is-done { border-color: var(--accent); background: var(--accent-soft); }

.cap-box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  cursor: pointer;
}
.cap.is-done .cap-box, .cap.is-busy .cap-box { cursor: default; }

.cap-control {
  position: relative;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
}
.cap-check {
  appearance: none;
  -webkit-appearance: none;
  display: block;
  width: 28px;
  height: 28px;
  margin: 0;
  border: 2px solid var(--ink-subtle);
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  cursor: inherit;
}
.cap-check:hover { border-color: var(--ink-muted); }
.cap.is-invalid .cap-check { border-color: var(--brand-ink); }
.cap.is-busy .cap-check { opacity: 0; }
.cap.is-done .cap-check { border-color: var(--accent-ink); background: var(--accent-ink); opacity: 1; }

.cap-spinner {
  display: none;
  position: absolute;
  inset: 2px;
  border: 3px solid var(--brand-soft);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: cap-spin 0.8s linear infinite;
}
.cap.is-busy .cap-spinner { display: block; }
@keyframes cap-spin { to { transform: rotate(360deg); } }

.cap-tick {
  display: none;
  position: absolute;
  inset: 5px;
  fill: none;
  stroke: #fff;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}
.cap.is-done .cap-tick { display: block; }

.cap-text { flex: 1; min-width: 0; line-height: 1.3; }
.cap-label { display: block; font-size: 14.5px; font-weight: 600; color: var(--ink); }
.cap-status { display: block; font-size: 12.5px; color: var(--ink-muted); }
.cap-status:empty { display: none; }
.cap.is-invalid .cap-status { color: var(--brand-ink); font-weight: 600; }
.cap.is-done .cap-status { color: var(--accent-ink); font-weight: 600; }

.cap-badge {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  color: var(--ink-subtle);
}
.cap-badge svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (prefers-reduced-motion: reduce) {
  .cap-spinner { animation-duration: 2.4s; }
}

@media (max-width: 360px) {
  .cap-badge span { display: none; }
}