:root {
  --color-bg: #f4f5f7;
  --color-card: #ffffff;
  --color-text: #1f2430;
  --color-muted: #667085;
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-border: #d0d5dd;
  --color-error: #d92d20;
  --color-success: #067647;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

.page {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lang-switcher {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 8px;
}

.lang-button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-card);
  font-size: 15px;
  cursor: pointer;
  min-height: 40px;
}

.lang-button .flag {
  font-size: 18px;
  line-height: 1;
}

.lang-button[aria-pressed="true"] {
  border-color: var(--color-primary);
  background: #eaf1ff;
  font-weight: 600;
}

.card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 24px 20px 28px;
  box-shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
}

.title {
  font-size: 22px;
  margin: 0 0 20px;
  text-align: center;
}

fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

.field {
  margin-bottom: 20px;
}

.field-label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
}

.positions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

@media (max-width: 420px) {
  .positions {
    grid-template-columns: 1fr;
  }
}

.position-button {
  padding: 14px 10px;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-border);
  background: var(--color-card);
  font-size: 15px;
  text-align: center;
  cursor: pointer;
  min-height: 52px;
}

.position-button[aria-pressed="true"] {
  border-color: var(--color-primary);
  background: #eaf1ff;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.text-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text);
}

.text-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.text-input.invalid {
  border-color: var(--color-error);
}

.checkbox-field .checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  cursor: pointer;
}

.checkbox-field input[type="checkbox"] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.link-button {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-primary);
  text-decoration: underline;
  font-size: 14px;
  cursor: pointer;
  display: inline;
}

.field-error {
  color: var(--color-error);
  font-size: 13px;
  margin: 6px 0 0;
  min-height: 0;
}

.field-error:empty {
  display: none;
}

.submit-button {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  min-height: 50px;
}

.submit-button:disabled {
  background: #a9c2f0;
  cursor: not-allowed;
}

.form-status {
  margin: 14px 0 0;
  text-align: center;
  font-size: 14px;
  min-height: 0;
}

.form-status:empty {
  display: none;
}

.form-status.success {
  color: var(--color-success);
}

.form-status.error {
  color: var(--color-error);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16, 24, 40, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  z-index: 10;
}

@media (min-width: 560px) {
  .modal-overlay {
    align-items: center;
    padding: 20px;
  }
}

.modal-overlay[hidden] {
  display: none;
}

.modal {
  background: var(--color-card);
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  overflow-y: auto;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 22px 20px 24px;
}

@media (min-width: 560px) {
  .modal {
    border-radius: var(--radius);
  }
}

.modal h2 {
  margin-top: 0;
  font-size: 18px;
}

.modal-body {
  white-space: pre-line;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted);
}

.close-button {
  margin-top: 16px;
  width: 100%;
  padding: 12px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-border);
  background: var(--color-card);
  cursor: pointer;
}