/* ── Field item ──────────────────────────────────── */
.field-item {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: none;
  flex-direction: column;
  gap: clamp(16px, 3vh, 28px);
}

.field-item.active,
.field-item.entering,
.field-item.exiting {
  display: flex;
}

/* ── Question counter ────────────────────────────── */
.question-counter {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-counter);
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.question-counter .counter-arrow {
  color: var(--color-primary);
}

/* ── Label ───────────────────────────────────────── */
.field-label {
  font-size: var(--font-label);
  font-weight: 500;
  line-height: 1.35;
  color: var(--color-text);
  letter-spacing: -0.015em;
}

/* ── Input ───────────────────────────────────────── */
.field-input {
  width: 100%;
  padding: clamp(10px, 1.8vh, 16px) 0;
  font-size: var(--font-input);
  font-family: var(--font-family);
  font-weight: 400;
  color: var(--color-text);
  background: transparent;
  border-bottom: 2px solid var(--color-border);
  border-radius: 0;
  transition: border-color var(--transition-fast);
  caret-color: var(--color-primary);
}

.field-input::placeholder {
  color: var(--color-muted);
}

.field-input:focus {
  border-bottom-color: var(--color-primary);
}

.field-item.has-error .field-input {
  border-bottom-color: var(--color-error);
}

/* ── Textarea ────────────────────────────────────── */
textarea.field-input {
  resize: none;
  min-height: clamp(80px, 14vh, 120px);
  line-height: 1.6;
  padding-top: clamp(10px, 1.5vh, 14px);
}

/* ── Choice grid ─────────────────────────────────── */
.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(8px, 1.2vw, 12px);
}

/* 3-option grids: keep 2 cols (last item spans nothing, just floats left) */
.choice-grid:has(.choice-option:nth-child(3):last-child) {
  grid-template-columns: repeat(2, 1fr);
}

/* 2-option grid: side by side is great as-is */

.choice-option {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 16px);
  padding: clamp(12px, 1.8vh, 18px) clamp(14px, 1.8vw, 20px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: clamp(0.825rem, 1.3vw, 0.95rem);
  font-weight: 400;
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background  var(--transition-fast),
    transform   var(--transition-fast);
  text-align: left;
  user-select: none;
  width: 100%;
}

.choice-option:hover {
  border-color: rgba(90, 62, 234, 0.5);
  background: var(--color-primary-dim);
  transform: translateY(-2px);
}

.choice-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
}

.choice-key {
  flex-shrink: 0;
  width: clamp(22px, 2.5vw, 28px);
  height: clamp(22px, 2.5vw, 28px);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  font-size: clamp(10px, 1.1vw, 13px);
  font-weight: 600;
  color: var(--color-muted);
  transition:
    border-color var(--transition-fast),
    color        var(--transition-fast),
    background   var(--transition-fast);
}

.choice-option.selected .choice-key,
.choice-option:hover    .choice-key {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-dim);
}

/* ── Error message ───────────────────────────────── */
.field-error {
  font-size: var(--font-sm);
  color: var(--color-error);
  min-height: 18px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.field-item.has-error .field-error {
  opacity: 1;
  transform: translateY(0);
}

/* ── Navigation row ──────────────────────────────── */
.nav-row {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.5vw, 14px);
  flex-wrap: wrap;
}

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: clamp(10px, 1.6vh, 14px) clamp(18px, 2.4vw, 28px);
  font-size: var(--font-btn);
  font-family: var(--font-family);
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-btn);
  transition:
    background   var(--transition-fast),
    color        var(--transition-fast),
    transform    var(--transition-fast),
    box-shadow   var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 24px rgba(90, 62, 234, 0.35);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 30px rgba(90, 62, 234, 0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: rgba(236, 240, 241, 0.3);
  background: rgba(255, 255, 255, 0.04);
}

.btn-icon {
  font-size: 15px;
  line-height: 1;
}

/* ── Enter hint ──────────────────────────────────── */
.enter-hint {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--font-sm);
  color: var(--color-muted);
}

/* ── Consent ─────────────────────────────────────── */
.nav-wrap {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.8vh, 16px);
}

.consent-wrap {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.consent-checkbox {
  flex-shrink: 0;
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  min-width: 14px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  margin-top: 1px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.consent-checkbox:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.consent-checkbox:checked::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 0px;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.consent-checkbox:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.consent-label {
  font-size: 11px;
  color: rgba(236, 240, 241, 0.35);
  line-height: 1.6;
  cursor: pointer;
  user-select: none;
}

.consent-label a {
  color: rgba(236, 240, 241, 0.55);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.consent-label a:hover {
  color: rgba(236, 240, 241, 0.85);
}

.consent-wrap.consent-error {
  animation: shake 320ms ease;
}

.consent-wrap.consent-error .consent-label {
  color: rgba(255, 92, 92, 0.7);
}

.consent-wrap.consent-error .consent-checkbox {
  border-color: var(--color-error);
}

/* ── Loading spinner ─────────────────────────────── */
.btn-primary.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-primary.loading::after {
  content: '';
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 4px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 600px) {
  .choice-grid {
    grid-template-columns: 1fr;
  }

  .enter-hint {
    display: none;
  }

  .field-label {
    line-height: 1.4;
  }
}

@media (max-width: 380px) {
  .nav-row {
    gap: 8px;
  }

  .btn {
    padding: 10px 16px;
  }
}