/* ==========================================================================
   CSS CUSTOM VARIABLES & VERCEL TOKEN SETUP (Light theme default)
   ========================================================================== */
:root {
  /* Colors */
  --primary: #171717;          /* Stark Ink */
  --primary-hover: #000000;
  --on-primary: #ffffff;
  
  --bg-body: #fafafa;          /* Canvas Soft (98% white) */
  --bg-card: #ffffff;          /* Canvas */
  --bg-input: #ffffff;
  --border-color: #ebebeb;      /* Hairline */
  --border-strong: #a1a1a1;    /* Hairline Strong */
  
  --text-main: #171717;        /* Ink */
  --text-secondary: #4d4d4d;   /* Body */
  --text-muted: #888888;       /* Mute */
  
  /* Semantic highlights (Vercel sub-palette) */
  --color-under: #50e3c2;      /* Cyan */
  --color-normal: #0070f3;     /* Link Blue */
  --color-over: #f5a623;       /* Warning Amber */
  --color-obese: #ee0000;      /* Error Red */
  --color-extreme: #7928ca;    /* Violet */
  
  /* Semantic backgrounds */
  --bg-under-soft: #aaffec;
  --bg-normal-soft: #d3e5ff;
  --bg-over-soft: #ffefcf;
  --bg-obese-soft: #f7d4d6;
  --bg-extreme-soft: #d8ccf1;
  
  /* Shadows (Vercel Stacked Shadow System) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 1px 1px rgba(0, 0, 0, 0.02), 
               0 2px 2px rgba(0, 0, 0, 0.02), 
               0 8px 16px -4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 1px 2px rgba(0, 0, 0, 0.02),
               0 8px 16px -4px rgba(0, 0, 0, 0.04),
               0 24px 32px -8px rgba(0, 0, 0, 0.06);
  
  /* Geometry radii */
  --radius-xs: 4px;            /* Tight pill button */
  --radius-sm: 6px;            /* Base UI inputs */
  --radius-md: 8px;            /* Feature cards */
  --radius-lg: 12px;           /* Large cards */
  --radius-pill: 100px;        /* Primary CTA pills */
  
  /* Gauge specifics */
  --gauge-bg: #ebebeb;
  --needle-color: #171717;
  --needle-center: #171717;
  --bg-header: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   DARK THEME VARIABLES (Vercel Dark Console)
   ========================================================================== */
body.dark-theme {
  --bg-body: #0a0a0a;          /* Stark Dark Body */
  --bg-card: #111111;          /* Stark Dark Card */
  --bg-input: #141414;
  --border-color: #262626;      /* Dark Hairline */
  --border-strong: #666666;
  
  --text-main: #ffffff;        /* White text */
  --text-secondary: #888888;   /* Muted body text */
  --text-muted: #666666;       /* Deep mute text */
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.4), 
               0 8px 16px -4px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 1px 4px rgba(0, 0, 0, 0.5),
               0 16px 24px -8px rgba(0, 0, 0, 0.6),
               0 32px 48px -12px rgba(0, 0, 0, 0.7);
  
  /* Semantic background overrides (dark modes) */
  --bg-under-soft: rgba(80, 227, 194, 0.15);
  --bg-normal-soft: rgba(0, 112, 243, 0.15);
  --bg-over-soft: rgba(245, 166, 35, 0.15);
  --bg-obese-soft: rgba(238, 0, 0, 0.15);
  --bg-extreme-soft: rgba(121, 40, 202, 0.15);
  
  --gauge-bg: #262626;
  --needle-color: #ffffff;
  --needle-center: #ffffff;
  --bg-header: rgba(17, 17, 17, 0.8);
}

body.dark-theme .logo-img {
  filter: invert(1);
}

/* ==========================================================================
   RESET & SYSTEM BASICS
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-secondary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.font-mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, monospace !important;
}

/* ==========================================================================
   DECORATIVE MESH BACKDROP
   ========================================================================== */
.mesh-gradient-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 620px;
  background-image: 
    radial-gradient(at 15% 10%, rgba(80, 227, 194, 0.08) 0px, transparent 55%),
    radial-gradient(at 85% 15%, rgba(121, 40, 202, 0.07) 0px, transparent 50%),
    radial-gradient(at 50% 12%, rgba(0, 112, 243, 0.06) 0px, transparent 60%),
    radial-gradient(at 75% 50%, rgba(255, 77, 77, 0.04) 0px, transparent 40%),
    radial-gradient(at 20% 55%, rgba(249, 203, 40, 0.04) 0px, transparent 40%);
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.95;
}

/* ==========================================================================
   HEADER / NAV BAR
   ========================================================================== */
header {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-header);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-container {
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-main);
}

.logo-img {
  width: 20px;
  height: 20px;
  object-fit: contain;
  border-radius: 4px;
}

.logo-text {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.5px;
  text-transform: lowercase;
}

.logo-text .highlight {
  color: var(--text-main);
  font-weight: 400;
}

/* Header Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-menu-link {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav-menu-link:hover {
  color: var(--text-main);
}

.nav-menu-link.active {
  color: var(--text-main);
  font-weight: 500;
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
}

/* Theme Toggle */
.icon-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background-color: var(--bg-body);
  border-color: var(--border-strong);
}

.icon-btn svg {
  width: 16px;
  height: 16px;
}

body.dark-theme .sun-icon { display: block; }
body.dark-theme .moon-icon { display: none; }
body:not(.dark-theme) .sun-icon { display: none; }
body:not(.dark-theme) .moon-icon { display: block; }

/* ==========================================================================
   MAIN CONTENT & LAYOUT GRID
   ========================================================================== */
main {
  padding-top: 64px;
  padding-bottom: 96px;
}

.calculator-section {
  margin-bottom: 80px;
}

/* Vercel Display-XL */
.main-title {
  font-size: 48px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 48px;
  letter-spacing: -2.4px;
  margin-bottom: 16px;
  text-align: center;
}

/* Vercel Body-LG */
.subtitle {
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 56px auto;
}

.grid-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 960px) {
  .grid-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .main-title {
    font-size: 36px;
    line-height: 40px;
    letter-spacing: -1.5px;
  }
  .subtitle {
    font-size: 16px;
    line-height: 24px;
    margin-bottom: 40px;
  }
}

/* ==========================================================================
   CARDS & PANELS
   ========================================================================== */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.eyebrow-caption {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

/* Vercel Display-LG */
.section-title {
  font-size: 28px;
  font-weight: 600;
  line-height: 36px;
  color: var(--text-main);
  letter-spacing: -1.2px;
  margin-bottom: 24px;
}

/* ==========================================================================
   INPUTS & FORM ELEMENTS
   ========================================================================== */
/* Tab selectors styled as Vercel sub-navigation tabs */
.unit-toggle-container {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 32px;
  gap: 16px;
}

.unit-btn {
  background: none;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 400;
  padding: 10px 4px;
  cursor: pointer;
  color: var(--text-muted);
  position: relative;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.unit-btn.active {
  color: var(--text-main);
  font-weight: 500;
  border-bottom-color: var(--primary);
}

.input-group {
  margin-bottom: 28px;
}

.label-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

label, .group-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: -0.28px;
}

.unit-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* Segmented Control for Gender */
.segmented-control {
  display: flex;
  background-color: var(--bg-body);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-top: 10px;
}

.segmented-control input[type="radio"] {
  display: none;
}

.segmented-control label {
  flex: 1;
  text-align: center;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: calc(var(--radius-sm) - 1px);
  font-weight: 500;
  font-size: 13px;
  color: var(--text-muted);
}

.segmented-control input[type="radio"]:checked + label {
  background-color: var(--bg-card);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

/* Dual Input row */
.dual-input {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  align-items: center;
  margin-top: 10px;
}

/* Vercel Form Inputs */
.num-input {
  width: 100%;
  height: 40px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  text-align: center;
}

.num-input:focus {
  border-color: var(--border-strong);
  outline: none;
}

/* Stark Sliders */
.slider-input {
  -webkit-appearance: none;
  width: 100%;
  height: 2px;
  border-radius: 1px;
  background: var(--border-color);
  outline: none;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg-card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}

.slider-input::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg-card);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}

/* US standard height split inputs */
.us-height-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 10px;
}

.us-height-inputs .field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sub-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Selector dropdown */
select {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--text-main);
  margin-top: 10px;
  cursor: pointer;
}

select:focus {
  border-color: var(--border-strong);
  outline: none;
}

.info-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
  display: inline-block;
}

.hidden {
  display: none !important;
}

/* Buttons System */
.btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  height: 40px;
  padding: 0 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* button-primary (Black Ink Pill) */
.btn-primary {
  background-color: var(--primary);
  color: var(--on-primary);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.05);
}

/* button-secondary (White Pill on Hairline) */
.btn-secondary {
  background-color: var(--bg-card);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: var(--bg-body);
  border-color: var(--border-strong);
}

.btn-full {
  width: 100%;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 36px;
}

/* ==========================================================================
   OUTPUTS & RESULT CARD
   ========================================================================== */
.result-card {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.gauge-container {
  display: flex;
  justify-content: center;
  margin: 16px 0;
}

.gauge {
  width: 100%;
  max-width: 250px;
}

.gauge-center-text {
  font-size: 32px;
  font-weight: 500;
  fill: var(--text-main);
  letter-spacing: -1px;
}

.gauge-label-text {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  fill: var(--text-muted);
}

.needle-group {
  transform-origin: 100px 110px;
  transform-box: view-box;
  transition: transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.result-breakdown {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-label {
  font-size: 13px;
  color: var(--text-muted);
}

.metric-val {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
}

.unit-text {
  font-size: 11px;
  color: var(--text-muted);
}

/* Minimalist Status pills for BMI values */
.status-pill {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-pill.under {
  background-color: var(--bg-under-soft);
  color: #117a65;
}

.status-pill.normal {
  background-color: var(--bg-normal-soft);
  color: #0761d1;
}

.status-pill.over {
  background-color: var(--bg-over-soft);
  color: #ab570a;
}

.status-pill.obese {
  background-color: var(--bg-obese-soft);
  color: #c50000;
}

/* Advanced grid */
.advanced-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.adv-card {
  background-color: var(--bg-body);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.adv-lbl {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.adv-val {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
}

.adv-val .unit {
  font-size: 10px;
  color: var(--text-muted);
}

.adv-note {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}

.action-buttons {
  margin-top: 28px;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-icon {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   HISTORY SECTION
   ========================================================================== */
.section {
  margin-bottom: 80px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

/* Vercel Display-MD */
.section-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.8px;
}

.text-btn {
  background: none;
  border: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.text-danger {
  color: var(--color-obese);
}

.text-danger:hover {
  text-decoration: underline;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.history-details {
  display: flex;
  gap: 32px;
}

.hist-info {
  display: flex;
  flex-direction: column;
}

.hist-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.hist-val {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-main);
  margin-top: 2px;
}

/* ==========================================================================
   INFO GRID & TABLES (SEO Content)
   ========================================================================== */
.info-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  margin-top: 80px;
}

@media (max-width: 900px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
}

.content-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-top: 28px;
  margin-bottom: 10px;
}

.content-card p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 16px;
}

.content-card ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.content-card li {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 8px;
}

.warning-alert {
  background-color: var(--bg-body);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary);
  padding: 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary) !important;
}

/* Technical Data Table */
.table-container {
  overflow-x: auto;
  margin-top: 16px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 12px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  font-weight: 500;
  color: var(--text-muted);
  background-color: var(--bg-body);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}

.data-table tbody tr {
  cursor: pointer;
}

.data-table tbody tr:hover {
  background-color: var(--bg-body);
}

/* Highlight matching category */
.data-table tbody tr.active {
  background-color: var(--bg-body);
  font-weight: 500;
  border-left: 3px solid var(--primary);
}

.data-table tbody tr.active td {
  color: var(--text-main);
}

.status-cell {
  font-weight: 500;
}

.status-cell.under { color: var(--color-under); }
.status-cell.normal { color: var(--color-normal); }
.status-cell.over { color: var(--color-over); }
.status-cell.obese { color: var(--color-obese); }
.status-cell.extreme { color: var(--color-extreme); }

/* ==========================================================================
   FAQ SECTION (Vercel details-summary styling)
   ========================================================================== */
.faq-section {
  max-width: 800px;
  margin: 96px auto 0 auto;
}

.faq-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  font-weight: 500;
  font-size: 14px;
  color: var(--text-main);
  cursor: pointer;
  outline: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '→';
  font-size: 14px;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

details[open] .faq-question::after {
  transform: rotate(90deg);
  color: var(--text-main);
}

details[open] .faq-question {
  border-bottom: 1px solid var(--border-color);
}

.faq-answer {
  padding: 16px 20px;
  background-color: var(--bg-body);
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==========================================================================
   FOOTER STYLING
   ========================================================================== */
footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 48px 0;
  margin-top: 96px;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

footer p {
  font-size: 12px;
  color: var(--text-muted);
  max-width: 60%;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-link {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--text-main);
}

@media (max-width: 600px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
  footer p {
    max-width: 100%;
  }
}

/* ==========================================================================
   PRINT MEDIA CUSTOMIZATION (Clinical Report Styles)
   ========================================================================== */
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt;
  }
  
  header, footer, .unit-toggle-container, .form-actions, .action-buttons, #theme-toggle, .faq-section, .history-section, .mesh-gradient-backdrop {
    display: none !important;
  }
  
  main {
    padding-top: 0;
  }
  
  .grid-layout {
    display: block;
  }
  
  .card {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin-bottom: 20px;
  }
  
  #input-panel {
    border-bottom: 2px solid #ccc !important;
    padding-bottom: 20px !important;
    margin-bottom: 30px !important;
  }
  
  #input-panel form {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
  }
  
  .dual-input {
    display: block !important;
  }
  
  .slider-input, select {
    display: none !important;
  }
  
  .num-input {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    font-size: 14px !important;
    text-align: left !important;
  }
  
  .gauge-container {
    page-break-inside: avoid;
  }
  
  .result-breakdown {
    border-top: 1px solid #000 !important;
  }
  
  .advanced-metrics-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .adv-card {
    background: transparent !important;
    border: 1px solid #ccc !important;
    padding: 10px !important;
  }
  
  body::before {
    content: "PULSEFIT CLINICAL HEALTH REPORT";
    display: block;
    font-size: 18pt;
    font-weight: 600;
    text-align: center;
    border-bottom: 2px solid #000;
    padding-bottom: 10px;
    margin-bottom: 30px;
  }
}