:root {
  --fplanner-navy: #27366d;
  --fplanner-blue: #748fed;
  --fplanner-page: #f7f8ff;
  --fplanner-surface: #ffffff;
  --fplanner-border: #cbd4f2;
  --fplanner-accent-surface: #eef1ff;
  --fplanner-muted: #556187;
  --fplanner-input-border: #6476b9;
  color: var(--fplanner-navy);
  background: var(--fplanner-page);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
}

button,
input,
select {
  font: inherit;
}

button,
.button-link {
  border: 1px solid var(--fplanner-navy);
  border-radius: 0.5rem;
  background: var(--fplanner-navy);
  color: var(--fplanner-surface);
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 0.9rem;
  text-decoration: none;
}

button.secondary,
.button-link.secondary {
  border-color: var(--fplanner-blue);
  background: var(--fplanner-accent-surface);
  color: var(--fplanner-navy);
}

button.danger {
  border-color: #8a2727;
  background: #8a2727;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--fplanner-navy);
  outline-offset: 2px;
}

.shell {
  margin: 0 auto;
  max-width: 760px;
  padding: 1.25rem;
}

.masthead {
  align-items: baseline;
  border-bottom: 2px solid var(--fplanner-blue);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: space-between;
  padding-bottom: 1rem;
}

.brand,
h1,
h2,
h3,
p {
  margin-top: 0;
}

.brand {
  color: var(--fplanner-navy);
  font-size: 1.5rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.eyebrow {
  color: var(--fplanner-muted);
  font-size: 0.875rem;
  margin: 0;
}

.notice,
.card,
.disclosure,
.status {
  border: 1px solid var(--fplanner-border);
  border-radius: 0.75rem;
  margin-top: 1rem;
  padding: 1rem;
}

.notice {
  background: var(--fplanner-accent-surface);
}

.notice.warning {
  background: #fff7e5;
  border-color: #e0b55e;
}

.notice p:last-child,
.card p:last-child,
.status p:last-child {
  margin-bottom: 0;
}

.disclosure {
  background: var(--fplanner-surface);
  max-height: 55vh;
  overflow: auto;
}

.disclosure-text {
  font-family: inherit;
  margin: 0;
  white-space: pre-wrap;
}

.actions,
.scenario-links,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.scenario-links {
  border-bottom: 1px solid var(--fplanner-border);
  padding-bottom: 1rem;
}

.scenario-links a {
  color: var(--fplanner-navy);
}

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

.metric {
  color: var(--fplanner-navy);
  font-size: 1.1rem;
  font-weight: 700;
}

.line-list {
  display: grid;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.line-card {
  align-items: flex-start;
  border: 1px solid var(--fplanner-border);
  border-radius: 0.6rem;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  padding: 0.75rem;
}

.line-card p {
  margin: 0.2rem 0 0;
}

.marker {
  color: var(--fplanner-muted);
  font-size: 0.9rem;
}

.amount {
  font-weight: 700;
  white-space: nowrap;
}

label {
  display: grid;
  font-weight: 650;
  gap: 0.35rem;
}

input,
select {
  background: var(--fplanner-surface);
  border: 1px solid var(--fplanner-input-border);
  border-radius: 0.4rem;
  min-height: 2.65rem;
  padding: 0.5rem 0.65rem;
}

.checkbox-label {
  align-items: center;
  display: flex;
  font-weight: 500;
  gap: 0.55rem;
}

.checkbox-label input {
  accent-color: var(--fplanner-blue);
  min-height: auto;
}

.muted {
  color: var(--fplanner-muted);
}

.loading {
  margin: 2rem auto;
  max-width: 760px;
  padding: 1.25rem;
}

@media (max-width: 520px) {
  .shell {
    padding: 1rem;
  }

  .line-card {
    flex-direction: column;
  }
}