:root {
  --bg: var(--tg-theme-bg-color, #f4f6f8);
  --text: var(--tg-theme-text-color, #1a1a1a);
  --hint: var(--tg-theme-hint-color, #6b7280);
  --btn: var(--tg-theme-button-color, #2563eb);
  --btn-text: var(--tg-theme-button-text-color, #fff);
  --secondary: var(--tg-theme-secondary-bg-color, #fff);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 1rem 5rem;
}

.header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
}

.header p {
  margin: 0;
  color: var(--hint);
  font-size: 0.9rem;
}

.status {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--hint);
}

.status.ok {
  color: #059669;
}

.status.err {
  color: #dc2626;
}

.block {
  background: var(--secondary);
  border-radius: 12px;
  padding: 1rem;
  margin-top: 1rem;
  box-shadow: 0 1px 3px rgb(0 0 0 / 8%);
}

.block h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.hint {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--hint);
}

.checkbox-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checkbox-item {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.95rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.field input,
.field select {
  padding: 0.5rem 0.65rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
}

.fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

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

.req {
  color: #dc2626;
}

.matrix-wrap {
  overflow-x: auto;
}

.matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.matrix th,
.matrix td {
  border: 1px solid #e5e7eb;
  padding: 0.4rem;
  text-align: center;
}

.row-label {
  text-align: left;
  min-width: 9rem;
}

.benefits-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid #f3f4f6;
}

.btn-toggle {
  width: 2rem;
  height: 2rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.btn-toggle.on {
  background: #ecfdf5;
  border-color: #059669;
}

.benefit-title {
  flex: 1;
}

.important-flag {
  font-size: 0.8rem;
  color: var(--hint);
}

.consent a {
  color: var(--btn);
}

.footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  background: var(--secondary);
  border-top: 1px solid #e5e7eb;
}

.btn-primary {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  display: block;
  padding: 0.85rem 1rem;
  border: none;
  border-radius: 10px;
  background: var(--btn);
  color: var(--btn-text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.submit-error {
  color: #dc2626;
  font-size: 0.85rem;
  margin: 0 0 0.5rem;
  text-align: center;
}

.loading,
.error,
.success {
  padding: 2rem 1rem;
  text-align: center;
}

.error {
  color: #dc2626;
}

.field-action {
  justify-content: flex-end;
}

.field-action .btn-grid {
  width: 100%;
  margin: 0;
  max-width: none;
  padding: 0.5rem 0.65rem;
  font-size: 1rem;
  border-radius: 8px;
}

.field-spacer {
  visibility: hidden;
  min-height: 0;
  padding: 0;
  margin: 0;
}

.consent-field {
  justify-content: flex-start;
}

.consent-field.checkbox-item {
  align-items: flex-start;
  margin-top: 0;
  padding-top: 0;
}

.required-legend {
  justify-content: flex-end;
  margin: 0;
}

.required-legend .field-help {
  margin: 0;
  align-self: center;
}

.email-verify-messages {
  gap: 0.35rem;
}

.email-verified-banner {
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}

.field-help.ok {
  color: #15803d;
}

.field-help.err {
  color: #dc2626;
}

@media (max-width: 520px) {
  .fields-grid {
    grid-template-columns: 1fr;
  }

  .field-spacer {
    display: none;
  }

  .consent-field.checkbox-item {
    padding-top: 0;
    margin-top: 0;
  }

  .required-legend {
    justify-content: flex-start;
  }
}