.implantatcheck-app {
  max-width: 760px;
  margin: 32px auto;
  padding: 16px;
}

.implantatcheck-card {
  background: #fff;
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(18, 32, 59, 0.12);
  border: 1px solid rgba(18, 32, 59, 0.08);
}

.implantatcheck-progress {
  height: 10px;
  background: #eef2f7;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 28px;
}

.implantatcheck-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #1d4ed8, #06b6d4);
  transition: width 0.25s ease;
}

.implantatcheck-badge,
.implantatcheck-result-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #1d4ed8;
  background: #eaf2ff;
  padding: 8px 12px;
  border-radius: 999px;
}

.implantatcheck-intro h2,
.implantatcheck-step h3,
.implantatcheck-success h3,
.implantatcheck-form h4 {
  margin: 18px 0 12px;
  color: #0f172a;
  line-height: 1.2;
}

.implantatcheck-intro p,
.implantatcheck-step-meta,
.implantatcheck-success p,
.implantatcheck-form,
.implantatcheck-note,
.implantatcheck-privacy,
.implantatcheck-small {
  color: #475569;
}

.implantatcheck-options {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.implantatcheck-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid #d9e2ef;
  border-radius: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  background: #fff;
}

.implantatcheck-option:hover,
.implantatcheck-option.is-selected {
  border-color: #1d4ed8;
  box-shadow: 0 10px 24px rgba(29, 78, 216, 0.08);
  transform: translateY(-1px);
}

.implantatcheck-option input {
  margin: 0;
}

.implantatcheck-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
}

.implantatcheck-btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.implantatcheck-btn:hover {
  transform: translateY(-1px);
}

.implantatcheck-btn-primary {
  color: #fff;
  background: linear-gradient(90deg, #1d4ed8, #0ea5e9);
}

.implantatcheck-btn-secondary {
  color: #0f172a;
  background: #e2e8f0;
}

.implantatcheck-result,
.implantatcheck-success-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 20px;
}

.implantatcheck-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.implantatcheck-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
  color: #0f172a;
}

.implantatcheck-grid input {
  border: 1px solid #cbd5e1;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 16px;
}

.implantatcheck-full {
  grid-column: 1 / -1;
}

.implantatcheck-error {
  color: #b91c1c;
  font-weight: 600;
  margin-top: 10px;
}

@media (max-width: 640px) {
  .implantatcheck-card {
    padding: 20px;
    border-radius: 22px;
  }

  .implantatcheck-grid {
    grid-template-columns: 1fr;
  }

  .implantatcheck-actions {
    flex-direction: column;
  }

  .implantatcheck-btn {
    width: 100%;
  }
}