/* Reset and base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #fdfaf5;
  --color-surface: #ffffff;
  --color-text: #1e1b18;
  --color-text-muted: #5c554d;
  --color-accent: #2e6b3f;
  --color-accent-light: #e6f2e9;
  --color-border: #d9d2c5;
  --color-highlight: #c76b1c;
  --color-highlight-bg: #fff3e6;
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
  --radius: 10px;
  --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
  --max-width: 1100px;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 650;
  font-size: 1.1rem;
}

.logo svg {
  flex-shrink: 0;
  color: var(--color-accent);
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--color-accent);
}

/* Main */
main {
  flex: 1;
}

/* Worksheet section */
.worksheet-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 1.5rem;
}

.worksheet-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 850px) {
  .worksheet-layout {
    grid-template-columns: 1fr;
  }
}

.worksheet-inputs h1 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.worksheet-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  font-size: 1rem;
  max-width: 52ch;
}

/* Presets */
.preset-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.preset-btn {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-surface);
  font-size: 0.88rem;
  cursor: pointer;
  color: var(--color-text);
  transition: background 0.15s, border-color 0.15s;
}

.preset-btn:hover,
.preset-btn:focus-visible {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

.preset-btn:active {
  background: var(--color-accent);
  color: #fff;
}

/* Form */
#income-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-row label {
  font-weight: 600;
  font-size: 0.95rem;
}

.form-row input[type="number"] {
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-surface);
  max-width: 200px;
  transition: border-color 0.15s;
}

.form-row input[type="number"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

.form-row input[type="range"] {
  max-width: 260px;
  accent-color: var(--color-accent);
}

.field-hint {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  max-width: 44ch;
}

.daily-hours-fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

.daily-hours-fieldset legend {
  font-weight: 650;
  font-size: 0.95rem;
  padding: 0 0.4rem;
}

.daily-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.day-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.day-row label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.day-row input {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-surface);
  width: 100%;
}

.day-row input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

/* Results panel */
.results-panel {
  position: sticky;
  top: 5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (max-width: 850px) {
  .results-panel {
    position: static;
  }
}

.results-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.results-heading {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.result-metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.5rem 0;
  border-bottom: 1px dotted var(--color-border);
  gap: 0.75rem;
}

.result-metric:last-of-type {
  border-bottom: none;
}

.metric-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.metric-value {
  font-weight: 650;
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.metric-highlight {
  color: var(--color-accent);
  font-size: 1.2rem;
  font-weight: 700;
}

.result-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0.75rem 0;
}

.result-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  background: var(--color-accent-light);
  padding: 0.75rem;
  border-radius: 6px;
}

.result-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.action-btn {
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  color: var(--color-text);
  transition: background 0.15s, border-color 0.15s;
}

.action-btn:hover,
.action-btn:focus-visible {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

.ad-slot-placeholder {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* Scenarios section */
.scenarios-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

.scenarios-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.section-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 52ch;
}

.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 600px) {
  .scenario-grid {
    grid-template-columns: 1fr;
  }
}

.scenario-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.scenario-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-accent);
}

.scenario-card .form-row {
  margin-bottom: 0.75rem;
}

.scenario-card .form-row input {
  max-width: 100%;
}

.scenario-result {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  background: var(--color-highlight-bg);
  padding: 0.75rem;
  border-radius: 6px;
  margin-top: 0.5rem;
}

.scenario-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.scenario-value {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-highlight);
}

/* Content section */
.content-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  border-top: 1px solid var(--color-border);
}

.content-inner {
  max-width: 680px;
}

.content-inner h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.content-inner h3 {
  font-size: 1.15rem;
  font-weight: 650;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}

.content-inner p {
  margin-bottom: 0.9rem;
  color: var(--color-text);
}

.content-inner ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.content-inner li {
  margin-bottom: 0.6rem;
}

.content-inner li strong {
  color: var(--color-text);
}

.last-updated {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 1.25rem;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  text-align: center;
}

.footer-inner a {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-inner a:hover {
  text-decoration: underline;
}

.footer-links {
  margin-top: 0.5rem;
}

.footer-links a {
  margin: 0 0.4rem;
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .preset-bar,
  .result-actions,
  .ad-slot-placeholder,
  .scenarios-section,
  .content-section {
    display: none;
  }

  .worksheet-layout {
    grid-template-columns: 1fr;
  }

  .results-card {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  body {
    background: #fff;
    font-size: 14px;
  }
}



/* 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;
}