*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: #f5f5f5;
  color: #1a1a1a;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 460px;
}

/* ── Progress indicator ── */

.progress {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.progress-dot {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  border: 2px solid #ccc;
  color: #999;
  background: #fff;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.progress-label {
  font-size: 0.72rem;
  color: #999;
  transition: color 0.2s;
}

.progress-line {
  flex: 1;
  height: 2px;
  background: #ccc;
  margin: 0 0.5rem;
  margin-bottom: 1.25rem;
  transition: background 0.2s;
}

.progress-step.active .progress-dot {
  border-color: #0066cc;
  background: #0066cc;
  color: #fff;
}

.progress-step.active .progress-label {
  color: #0066cc;
  font-weight: 600;
}

.progress-step.completed .progress-dot {
  border-color: #0066cc;
  background: #e8f0fb;
  color: #0066cc;
}

.progress-step.completed .progress-label {
  color: #0066cc;
}

.progress-step.completed + .progress-line {
  background: #0066cc;
}

/* ── Error ── */

.error {
  margin: 0 0 1.5rem;
  padding: 0.75rem 1rem;
  background: #fff3f3;
  border: 1px solid #f5c6c6;
  border-radius: 4px;
  color: #c0392b;
  font-size: 0.9rem;
}

/* ── Step panels ── */

.step-panel h1 {
  margin: 0 0 1rem;
  font-size: 1.3rem;
}

.step-panel p, .step-panel ul, .step-panel ol {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: #444;
}

.step-panel ul {
  padding-left: 1.25rem;
}

.step-panel li {
  margin-bottom: 0.3rem;
}

/* ── Form ── */

.field {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

label {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
}

input, select {
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.15s;
}

input:focus, select:focus {
  border-color: #0066cc;
}

/* ── Summary (step 3) ── */

.summary {
  margin: 0 0 1rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.95rem;
}

.summary dt {
  font-weight: 600;
  color: #555;
}

.summary dd {
  margin: 0;
  color: #1a1a1a;
}

.hint {
  font-size: 0.85rem;
  color: #777;
}

/* ── Actions ── */

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

button {
  padding: 0.575rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
}

button:not(.btn-secondary) {
  background: #0066cc;
  color: #fff;
}

button:not(.btn-secondary):hover {
  background: #0052a3;
}

.btn-secondary {
  background: #f0f0f0;
  color: #333;
}

.btn-secondary:hover {
  background: #e0e0e0;
}