:root {
  --bg: #f5f2ed;
  --card: #ffffff;
  --card-soft: #f7f3ec;
  --accent: #8b5e2b;
  --accent-dark: #6e481f;
  --text: #2b2118;
  --muted: #6d5c4a;
  --border: #e1d6c8;
  --shadow: 0 8px 20px rgba(43, 33, 24, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

.app-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 20px;
}

.app-header h1 {
  font-size: 2rem;
  color: var(--accent);
}

.app-header p {
  color: var(--muted);
  margin-top: 6px;
}

.header-actions {
  display: flex;
  gap: 10px;
}

.stepper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.stepper button {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--muted);
}

.stepper button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.step {
  display: none;
}

.step.active {
  display: block;
}

h2 {
  margin-bottom: 12px;
  color: var(--accent-dark);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-bottom: 12px;
  color: var(--accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input,
select,
button {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 0.95rem;
}

input,
select {
  background: var(--card-soft);
  color: var(--text);
}

button {
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
}

button.ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

button.primary {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.row > * {
  flex: 1 1 160px;
}

.row.space-between {
  justify-content: space-between;
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 800px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 0.9rem;
}

th {
  background: var(--card-soft);
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.72rem;
}

.step-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.summary-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.summary-card span {
  color: var(--muted);
  font-size: 0.85rem;
}

.summary-card strong {
  display: block;
  font-size: 1.3rem;
  margin-top: 6px;
  color: var(--accent-dark);
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.review-item {
  background: var(--card-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.review-item span {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

.review-item strong {
  display: block;
  margin-top: 6px;
  color: var(--text);
}

.export-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

@media (max-width: 720px) {
  .step-actions {
    justify-content: stretch;
  }

  .step-actions button {
    flex: 1;
  }
}