:root {
  --bg: #f5efe5;
  --panel: rgba(255, 252, 246, 0.92);
  --panel-strong: #fff8ee;
  --border: rgba(37, 29, 20, 0.12);
  --text: #23180f;
  --muted: #756657;
  --accent: #c24721;
  --accent-dark: #8d2c11;
  --success: #176b42;
  --error: #9b1d20;
  --shadow: 0 18px 50px rgba(80, 53, 29, 0.12);
  --radius: 22px;
  --radius-sm: 14px;
  --font-display: "Georgia", "Times New Roman", serif;
  --font-body: "Trebuchet MS", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(194, 71, 33, 0.16), transparent 32%),
    radial-gradient(circle at right, rgba(35, 24, 15, 0.1), transparent 26%),
    linear-gradient(160deg, #f7f0e7 0%, #efe3d1 48%, #e8dac8 100%);
}

.page-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
  padding: 28px;
  background: linear-gradient(135deg, rgba(255, 249, 240, 0.9), rgba(255, 240, 221, 0.75));
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero h1,
.panel h2,
.panel h3 {
  margin: 0;
  font-family: var(--font-display);
}

.hero-copy,
.subtle,
label,
input,
select,
button,
textarea {
  font-family: var(--font-body);
}

.hero-copy {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.hero-meta,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(35, 24, 15, 0.06);
  color: var(--muted);
  font-size: 14px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--accent);
}

.app-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1.25fr 0.75fr;
}

.panel {
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel + .panel {
  margin-top: 0;
}

.install-panel {
  max-width: 720px;
  margin: 8vh auto 0;
}

.section-stack,
.form-stack,
.mapping-stack,
.result-stack,
.error-stack {
  display: grid;
  gap: 16px;
}

.field-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid-3 {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.control,
.multi-select,
.mapping-row,
.callout {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-strong);
}

.control {
  display: grid;
  gap: 8px;
  padding: 14px;
}

.control label {
  font-weight: 700;
}

select,
input[type="text"] {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid rgba(35, 24, 15, 0.18);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
}

.multi-select {
  padding: 10px;
}

.multi-select select {
  min-height: 200px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.primary-button,
.secondary-button,
.ghost-button {
  min-height: 46px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.primary-button {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.secondary-button {
  color: var(--text);
  background: rgba(35, 24, 15, 0.08);
}

.ghost-button {
  color: var(--accent-dark);
  background: rgba(194, 71, 33, 0.1);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.mapping-row {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr auto;
  padding: 12px;
}

.callout {
  padding: 14px 16px;
}

.callout.info {
  color: var(--text);
}

.callout.success,
.success {
  color: var(--success);
}

.callout.error,
.error {
  color: var(--error);
}

.entity-link-list {
  display: grid;
  gap: 8px;
}

.entity-link-list a {
  color: var(--accent-dark);
  font-weight: 700;
}

.split-panel {
  display: grid;
  gap: 20px;
}

.small-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

ul {
  margin: 0;
  padding-left: 18px;
}

@media (max-width: 960px) {
  .app-grid,
  .field-grid,
  .field-grid-3,
  .mapping-row {
    grid-template-columns: 1fr;
  }

  .hero {
    flex-direction: column;
  }
}