:root {
  --brand-color: #2b7a4b;
  --brand-light: #e6f2eb;
  --bg-color: #f9fafb;
  --panel-bg: #ffffff;
  --text-color: #1f2937;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  --danger: #dc2626;
  --radius: 8px;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container { max-width: 1000px; margin: 0 auto; padding: var(--space-md); }

.site-header {
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-lg);
}

.flex-header { display: flex; justify-content: space-between; align-items: center; }
.site-header h1 { font-size: 1.25rem; color: var(--brand-color); }
.site-header nav a { margin-left: var(--space-md); color: var(--text-muted); text-decoration: none; }
.site-header nav a:hover { color: var(--text-color); }

.app-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-lg);
  align-items: start;
}

@media (max-width: 768px) {
  .app-grid { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel-bg);
  padding: var(--space-lg);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  margin-bottom: var(--space-lg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.panel h2 { font-size: 1.1rem; margin-bottom: var(--space-md); border-bottom: 1px solid var(--border-color); padding-bottom: var(--space-sm); }

.flex-between { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-md); }
.flex-between h2 { border: none; margin: 0; padding: 0; }

.field { margin-bottom: var(--space-md); }
.field label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.25rem; }
.help-text { font-size: 0.8rem; color: var(--text-muted); margin-bottom: var(--space-sm); }

input, textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
}

.expense-row {
  display: grid;
  grid-template-columns: 3fr 1fr auto;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  align-items: center;
}

.btn {
  padding: 0.5rem 1rem;
  background: #fff;
  border: 1px solid var(--border-color);
  cursor: pointer;
  border-radius: 4px;
  font-size: 0.875rem;
}
.btn:hover { background: #f3f4f6; }
.btn-primary { background: var(--brand-color); color: #fff; border-color: var(--brand-color); }
.btn-primary:hover { background: #1e5936; }
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: #fee2e2; }
.btn-remove { padding: 0.5rem; background: transparent; color: var(--text-muted); border: none; font-weight: bold; }
.btn-remove:hover { color: var(--danger); }

.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.metric { background: var(--bg-color); padding: var(--space-md); border-radius: var(--radius); text-align: center; }
.metric.highlight { background: var(--brand-light); color: var(--brand-color); }
.m-label { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 0.25rem; }
.m-value { font-size: 1.5rem; font-weight: bold; }

.actions { display: flex; gap: var(--space-sm); align-items: center; border-top: 1px solid var(--border-color); padding-top: var(--space-md); }
#save-status { font-size: 0.8rem; color: var(--text-muted); margin-left: auto; }

.wrapper { max-width: 800px; margin-top: var(--space-lg); margin-bottom: var(--space-lg); }
.reading-section h2 { margin-bottom: var(--space-md); }
.reading-section h3 { margin-top: var(--space-lg); margin-bottom: var(--space-sm); }
.reading-section p, .reading-section ul { margin-bottom: var(--space-md); }
.reading-section ul { padding-left: 1.5rem; }
.reading-section li { margin-bottom: 0.5rem; }
.editorial-note { font-size: 0.875rem; color: var(--text-muted); border-top: 1px solid var(--border-color); padding-top: var(--space-sm); margin-top: var(--space-lg); }

.site-footer { text-align: center; color: var(--text-muted); padding: var(--space-lg) 0; border-top: 1px solid var(--border-color); font-size: 0.875rem; }
.site-footer a { color: var(--brand-color); text-decoration: none; }

@media print {
  .site-header, .site-footer, .reading-section, .actions, #btn-add-expense, .btn-remove { display: none !important; }
  body { background: #fff; }
  .app-grid { display: block; }
  .panel { border: none; padding: 0; margin-bottom: 2rem; box-shadow: none; }
  input, textarea { border: none; border-bottom: 1px solid #000; border-radius: 0; padding-left: 0; }
}


/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}