/* ============================================================
   Psychonutrition Clinical Tools — Brand Themed (cream / ink)
   Overrides original Georgia/teal palette to match the
   New Approach Health Level 1 textbook.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --cream-50: #F5F2EB;
  --cream-100: #F1EDE4;
  --cream-200: #EDE8DE;
  --cream-300: #E4DDCE;
  --cream-400: #D6CDB8;
  --ink: #292929;
  --ink-soft: #4a4a4a;
  --ink-muted: #6b6b6b;
  --ink-faint: #8b8b8b;
  --rule: #D6CDB8;

  --red-700: #8b1d1d;
  --red-50:  #f4e3e3;
  --amber-700: #7a5510;
  --amber-50:  #f4ecd8;
  --green-700: #2c4f2f;
  --green-50:  #e2ecdf;

  --font-body: 'Libre Baskerville', Georgia, serif;
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-ui: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html { font-size: 15px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream-50);
  line-height: 1.65;
  min-height: 100vh;
}

/* ---- Layout ---- */
.tool-page { max-width: 920px; margin: 0 auto; padding: 24px 24px 80px; }

/* ---- Header ---- */
.tool-header {
  background: var(--cream-200);
  color: var(--ink);
  padding: 28px 32px;
  border: 1px solid var(--rule);
  margin-bottom: 28px;
  border-radius: 0;
  box-shadow: none;
}
.tool-header .brand {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 12px;
}
.tool-header h1 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 2.1rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 6px;
}
.tool-header .acronym {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
}
.tool-header .module-tag {
  display: inline-block;
  margin-top: 14px;
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--rule);
  font-family: var(--font-ui);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.tool-header .back-link {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  margin-bottom: 14px;
}
.tool-header .back-link:hover { color: var(--ink); }

/* ---- Section cards ---- */
.section-card {
  background: var(--cream-100);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 26px 28px;
  margin-bottom: 22px;
  box-shadow: none;
}
.section-card h2, .section-card h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 18px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 10px;
  letter-spacing: -0.005em;
}
.section-card h2 { font-size: 1.55rem; }
.section-card h3 { font-size: 1.25rem; margin-top: 18px; }
.section-card p, .section-card li { font-family: var(--font-body); color: var(--ink-soft); font-size: 0.95rem; line-height: 1.65; }
.section-card .helper, .helper {
  font-family: var(--font-ui);
  font-size: 0.74rem;
  color: var(--ink-muted);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.section-card .note, .note {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--ink-muted);
  font-size: 0.88rem;
  background: var(--cream-200);
  border-left: 2px solid var(--ink);
  padding: 10px 14px;
  margin: 12px 0;
}

/* ---- Field primitives ---- */
.field-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field-group label, label {
  font-family: var(--font-ui);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
}
input[type="text"], input[type="number"], input[type="date"], input[type="email"], input[type="time"], select, textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--cream-50);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 10px 12px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--ink); }
textarea { min-height: 88px; resize: vertical; line-height: 1.55; }
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%), linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .tool-page { padding: 16px 14px 60px; }
  .section-card { padding: 20px 18px; }
  .tool-header { padding: 22px 22px; }
  .tool-header h1 { font-size: 1.7rem; }
}

/* Sliders */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--cream-300);
  border-radius: 0;
  outline: none;
  margin: 8px 0;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--ink);
  cursor: pointer;
  border: none;
  border-radius: 0;
}
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--ink);
  cursor: pointer;
  border: none;
  border-radius: 0;
}
.slider-row { display: grid; grid-template-columns: 1fr 56px; align-items: center; gap: 12px; margin-bottom: 14px; }
.slider-value, .value-display {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: right;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.slider-meta { display: flex; justify-content: space-between; font-family: var(--font-ui); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-top: 2px; }

/* Radios & checkboxes (custom-look but native) */
.radio-row, .checkbox-row { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border: 1px solid var(--rule); margin-bottom: 6px; cursor: pointer; background: var(--cream-50); transition: border-color 0.15s, background 0.15s; }
.radio-row:hover, .checkbox-row:hover { border-color: var(--ink); }
.radio-row input, .checkbox-row input { width: auto; flex-shrink: 0; margin-top: 4px; accent-color: var(--ink); }
.radio-row span, .checkbox-row span { font-family: var(--font-body); font-size: 0.92rem; color: var(--ink); line-height: 1.5; }
.radio-row.selected, .checkbox-row.selected { background: var(--cream-200); border-color: var(--ink); }

/* Tables */
table { width: 100%; border-collapse: collapse; margin-top: 10px; font-family: var(--font-body); font-size: 0.9rem; }
th, td { border: 1px solid var(--rule); padding: 8px 10px; text-align: left; vertical-align: top; }
th { font-family: var(--font-ui); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-muted); background: var(--cream-200); font-weight: 500; }
td input { border: none; background: transparent; padding: 4px 0; font-size: 0.92rem; }

/* Buttons */
.btn-row, .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
button, .btn {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 11px 22px;
  cursor: pointer;
  border-radius: 0;
  transition: background 0.15s, color 0.15s;
}
button:hover, .btn:hover { background: var(--ink); color: var(--cream-50); }
button.primary, .btn.primary { background: var(--ink); color: var(--cream-50); }
button.primary:hover, .btn.primary:hover { background: var(--ink-soft); border-color: var(--ink-soft); }
button.ghost, .btn.ghost { border-color: var(--rule); color: var(--ink-muted); }
button.ghost:hover, .btn.ghost:hover { background: var(--cream-200); color: var(--ink); border-color: var(--ink); }

/* Zone indicators */
.zone-red, .zone-yellow, .zone-green {
  display: inline-block;
  padding: 4px 12px;
  font-family: var(--font-ui);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  border-radius: 0;
  border: 1px solid;
}
.zone-red { background: var(--red-50); color: var(--red-700); border-color: var(--red-700); }
.zone-yellow { background: var(--amber-50); color: var(--amber-700); border-color: var(--amber-700); }
.zone-green { background: var(--green-50); color: var(--green-700); border-color: var(--green-700); }

/* Score boxes */
.score-box, .score-display {
  background: var(--cream-200);
  border: 1px solid var(--rule);
  padding: 16px 18px;
  margin: 12px 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
}
.score-box .score-num, .score-display .score-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--ink);
  display: inline-block;
  margin-right: 12px;
  line-height: 1;
}
.score-box .score-label, .score-display .score-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* Interpretation / report */
.interpretation, .interp-box {
  background: var(--cream-200);
  border-left: 3px solid var(--ink);
  padding: 16px 20px;
  margin: 14px 0;
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.6;
}
.report-output {
  display: none;
  background: var(--cream-100);
  border: 1px solid var(--rule);
  padding: 22px 26px;
  margin-top: 18px;
}
.report-output.visible { display: block; }
.report-output h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.3rem;
  color: var(--ink);
  margin-bottom: 14px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 8px;
}
.report-output pre {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.84rem;
  color: var(--ink);
  white-space: pre-wrap;
  line-height: 1.55;
  background: var(--cream-50);
  padding: 16px 18px;
  border: 1px solid var(--rule);
}

/* Print */
@media print {
  body { background: white; }
  .tool-header, .section-card, .report-output { box-shadow: none; border: 1px solid #ddd; }
  .actions, .btn-row, .back-link { display: none !important; }
  button { display: none !important; }
}

/* Misc utilities used by some tools */
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.tag {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 3px 9px;
  background: var(--cream-200);
  border: 1px solid var(--rule);
  color: var(--ink-muted);
}
hr { border: none; border-top: 1px solid var(--rule); margin: 18px 0; }
a { color: var(--ink); }
strong { font-weight: 700; color: var(--ink); }
em { color: var(--ink-soft); }