:root {
  --primary: #A47251;
  --primary-dark: #875D3E;
  --secondary: #DD9E59;
  --tertiary: #F0D8A1;
  --accent: #DCF0C3;

  --bg: #F7F2EB;
  --bg-card: #FFFFFF;
  --bg-input: #F4EDE3;
  --bg-hover: #EFE5D6;
  --bg-log: #EDE3D6;

  --text: #271509;
  --text-2: #6B4C33;
  --text-3: #A07A5A;
  --text-inv: #FFF8F0;

  --border: rgba(164,114,81,0.18);
  --border-2: rgba(164,114,81,0.35);
  --border-focus: rgba(164,114,81,0.6);

  --shadow-xs: 0 1px 2px rgba(39,21,9,0.06);
  --shadow-sm: 0 2px 8px rgba(39,21,9,0.08);
  --shadow-md: 0 4px 20px rgba(39,21,9,0.10);
  --shadow-lg: 0 8px 36px rgba(39,21,9,0.14);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;

  --cat-uw: #5BA8BE;
  --cat-nw: #5BA878;
  --cat-ow: #D4A040;
  --cat-ob: #C95F4A;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;

  --ease: cubic-bezier(.4,0,.2,1);
  --t: .22s;
}

[data-theme="dark"] {
  --bg: #160D05;
  --bg-card: #1F1208;
  --bg-input: #2A1A0A;
  --bg-hover: #331F0D;
  --bg-log: #251508;

  --text: #F0D8A1;
  --text-2: #C49060;
  --text-3: #8B6040;
  --text-inv: #FAF0E0;

  --border: rgba(221,158,89,0.14);
  --border-2: rgba(221,158,89,0.28);
  --border-focus: rgba(221,158,89,0.55);

  --shadow-xs: 0 1px 2px rgba(0,0,0,0.25);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.35);
  --shadow-lg: 0 8px 36px rgba(0,0,0,0.45);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
  overflow-x: hidden;
}

.bg-grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: .025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px;
}

[data-theme="dark"] .bg-grain { opacity: .055; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(247,242,235,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease);
}

[data-theme="dark"] .site-header {
  background: rgba(22,13,5,0.92);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.75rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
}

.brand-icon {
  width: 20px;
  height: 20px;
  color: var(--secondary);
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.nav-link {
  padding: 6px 14px;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-3);
  cursor: pointer;
  border-radius: var(--r-sm);
  transition: all var(--t) var(--ease);
  white-space: nowrap;
}

.nav-link:hover { background: var(--bg-hover); color: var(--text-2); }
.nav-link.active { background: var(--bg-input); color: var(--primary); }

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.esp-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 99px;
  border: 1px solid var(--border-2);
  background: var(--bg-input);
  font-size: .75rem;
  font-weight: 500;
  color: var(--text-3);
  white-space: nowrap;
}

.esp-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-3);
  transition: background var(--t) var(--ease);
}

.esp-dot.connected { background: #5cb870; box-shadow: 0 0 0 2px rgba(92,184,112,.25); animation: pulse-g 2s infinite; }
.esp-dot.connecting { background: var(--secondary); animation: blink .9s infinite; }

@keyframes pulse-g {
  0%,100% { box-shadow: 0 0 0 2px rgba(92,184,112,.2); }
  50% { box-shadow: 0 0 0 5px rgba(92,184,112,.07); }
}

@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:.3; } }

.btn-connect {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  transition: all var(--t) var(--ease);
  white-space: nowrap;
}

.btn-connect svg { width: 14px; height: 14px; }
.btn-connect:hover { background: var(--primary); color: var(--text-inv); border-color: var(--primary); box-shadow: var(--shadow-sm); }

.btn-disconnect {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(201,95,74,0.35);
  background: rgba(201,95,74,0.07);
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 600;
  color: var(--cat-ob);
  cursor: pointer;
  transition: all var(--t) var(--ease);
  white-space: nowrap;
}

.btn-disconnect svg { width: 14px; height: 14px; }
.btn-disconnect:hover { background: rgba(201,95,74,0.14); }

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  color: var(--text-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t) var(--ease);
  flex-shrink: 0;
}

.theme-toggle:hover { background: var(--bg-hover); color: var(--primary); }
.theme-toggle svg { width: 15px; height: 15px; }
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

.serial-bar {
  border-top: 1px solid var(--border);
  background: var(--bg-input);
  transition: background var(--t) var(--ease);
}

.serial-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 8px 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.serial-bar-info {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.sbi {
  display: flex;
  align-items: center;
  gap: 5px;
}

.sbi-l {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-3);
  font-weight: 600;
}

.sbi-v {
  font-family: 'Courier New', monospace;
  font-size: .78rem;
  color: var(--text-2);
}

.sbi-sep {
  width: 1px;
  height: 14px;
  background: var(--border-2);
}

.auto-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: .8rem;
  color: var(--text-2);
  font-weight: 500;
}

.toggle-switch { position: relative; display: inline-flex; }
.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }

.toggle-track {
  display: block;
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: var(--border-2);
  transition: background var(--t) var(--ease);
  position: relative;
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  transition: transform var(--t) var(--ease);
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}

.toggle-switch input:checked + .toggle-track { background: var(--primary); }
.toggle-switch input:checked + .toggle-track::after { transform: translateX(16px); }

.btn-log-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  font-family: var(--font-sans);
  font-size: .78rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--t) var(--ease);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-log-toggle svg { width: 13px; height: 13px; }
.btn-log-toggle:hover { background: var(--bg-hover); }

.log-drawer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.75rem 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-output {
  background: var(--bg-log);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  height: 90px;
  overflow-y: auto;
  font-family: 'Courier New', monospace;
  font-size: .72rem;
  color: var(--text-2);
  line-height: 1.7;
}

.log-output::-webkit-scrollbar { width: 3px; }
.log-output::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 2px; }

.btn-clear-log {
  align-self: flex-end;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: .75rem;
  color: var(--text-3);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--t) var(--ease);
}

.btn-clear-log:hover { color: var(--primary); }

.unsupported-bar {
  background: rgba(201,95,74,0.08);
  border-bottom: 1px solid rgba(201,95,74,0.25);
  padding: 9px 1.75rem;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .83rem;
  color: var(--cat-ob);
  max-width: 100%;
}

.unsupported-bar svg { width: 16px; height: 16px; flex-shrink: 0; }

.main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.75rem;
  position: relative;
  z-index: 1;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.page-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -.01em;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: .3rem;
}

.page-sub {
  font-size: .875rem;
  color: var(--text-3);
  font-weight: 400;
}

.source-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border-radius: 99px;
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  font-size: .8rem;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--t) var(--ease);
}

.source-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-3);
  transition: background var(--t) var(--ease);
}

.source-badge[data-source="device"] { border-color: rgba(91,168,120,.35); background: rgba(91,168,120,.07); color: #3d8a5a; }
.source-badge[data-source="device"] .source-dot { background: var(--cat-nw); box-shadow: 0 0 0 3px rgba(91,168,120,.2); }

[data-theme="dark"] .source-badge[data-source="device"] { color: #7ec49a; }

.measure-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--t) var(--ease), border-color var(--t) var(--ease);
}

.card:hover { box-shadow: var(--shadow-md); }

.card--result { grid-column: 1; grid-row: 2; }
.card--scale { grid-column: 2; grid-row: 2; }

.card-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 1rem 1.35rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-input);
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: .01em;
}

.card-head > svg { width: 16px; height: 16px; flex-shrink: 0; opacity: .7; }
.card-head > span:first-of-type { flex: 1; }

.card-body { padding: 1.35rem; }

.unit-tabs {
  display: flex;
  background: var(--bg-card);
  border-radius: var(--r-sm);
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--border);
}

.utab {
  padding: 4px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-3);
  font-family: var(--font-sans);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t) var(--ease);
}

.utab.active { background: var(--primary); color: var(--text-inv); }
.utab:not(.active):hover { color: var(--text-2); background: var(--bg-hover); }

.form-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-row--three { grid-template-columns: 1fr 1fr 1fr; }
.form-row:last-child { margin-bottom: 0; }

.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field--sm { min-width: 160px; }

.flabel {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .07em;
}

.req { color: var(--secondary); font-weight: 700; }

.finput {
  width: 100%;
  padding: .65rem .9rem;
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  background: var(--bg-input);
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  outline: none;
  transition: all var(--t) var(--ease);
  appearance: none;
  -moz-appearance: textfield;
}

.finput::-webkit-outer-spin-button,
.finput::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.finput::placeholder { color: var(--text-3); font-weight: 400; }
.finput:focus { border-color: var(--border-focus); background: var(--bg-card); box-shadow: 0 0 0 3px rgba(164,114,81,.1); }

.finput-unit {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--bg-input);
  transition: all var(--t) var(--ease);
}

.finput-unit:focus-within {
  border-color: var(--border-focus);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(164,114,81,.1);
}

.finput-unit .finput {
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  flex: 1;
}

.finput-unit .finput:focus { box-shadow: none; }

.finput-unit--lg .finput--lg { font-size: 1.4rem; font-weight: 300; padding: .75rem 1rem; }

.funit {
  display: flex;
  align-items: center;
  padding: 0 .8rem;
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .06em;
  border-left: 1px solid var(--border-2);
  white-space: nowrap;
}

.fselect-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.fselect {
  width: 100%;
  padding: .65rem 2.2rem .65rem .9rem;
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  background: var(--bg-input);
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text);
  outline: none;
  appearance: none;
  cursor: pointer;
  transition: all var(--t) var(--ease);
}

.fselect:focus { border-color: var(--border-focus); background: var(--bg-card); box-shadow: 0 0 0 3px rgba(164,114,81,.1); }

.fselect-arrow {
  position: absolute;
  right: .7rem;
  width: 14px;
  height: 14px;
  pointer-events: none;
  color: var(--text-3);
}

.sex-toggle { display: flex; gap: 6px; }

.sex-btn {
  flex: 1;
  padding: .6rem .5rem;
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  background: var(--bg-input);
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--t) var(--ease);
}

.sex-btn.active { background: var(--primary); color: var(--text-inv); border-color: var(--primary); }
.sex-btn:not(.active):hover { border-color: var(--primary); color: var(--primary); }

.measure-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.25rem; }

.dual-input { display: flex; gap: .6rem; }

.card-actions { display: flex; gap: .6rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: .65rem 1.2rem;
  border-radius: var(--r-sm);
  border: none;
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t) var(--ease);
  white-space: nowrap;
  text-decoration: none;
}

.btn svg { width: 15px; height: 15px; }

.btn--primary {
  background: var(--primary);
  color: var(--text-inv);
  flex: 1;
  justify-content: center;
}

.btn--primary:hover { background: var(--primary-dark); box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border-2);
  padding: .65rem 1rem;
}

.btn--ghost:hover { background: var(--bg-hover); color: var(--text-2); }

.btn--secondary {
  background: var(--bg-card);
  color: var(--text-2);
  border: 1px solid var(--border-2);
}

.btn--secondary:hover { background: var(--bg-hover); color: var(--text); }

.btn--danger {
  background: rgba(201,95,74,0.08);
  color: var(--cat-ob);
  border: 1px solid rgba(201,95,74,0.3);
}

.btn--danger:hover { background: rgba(201,95,74,0.16); }

.btn--save { width: 100%; justify-content: center; margin-top: .75rem; }

.result-ts {
  margin-left: auto;
  font-family: 'Courier New', monospace;
  font-size: .72rem;
  color: var(--text-3);
}

.result-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 2rem 1rem;
  color: var(--text-3);
  font-size: .85rem;
  text-align: center;
}

.result-empty svg { width: 44px; height: 44px; }

.bmi-hero {
  text-align: center;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.bmi-val {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  font-weight: 300;
  letter-spacing: -.03em;
  line-height: 1;
  margin-bottom: .25rem;
}

.bmi-cat {
  display: inline-block;
  padding: .3rem .9rem;
  border-radius: 99px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.bmi-val.c-uw, .bmi-cat.c-uw { color: var(--cat-uw); }
.bmi-cat.c-uw { background: rgba(91,168,190,.12); }
.bmi-val.c-nw, .bmi-cat.c-nw { color: var(--cat-nw); }
.bmi-cat.c-nw { background: rgba(91,168,120,.12); }
.bmi-val.c-ow, .bmi-cat.c-ow { color: var(--cat-ow); }
.bmi-cat.c-ow { background: rgba(212,160,64,.12); }
.bmi-val.c-ob, .bmi-cat.c-ob { color: var(--cat-ob); }
.bmi-cat.c-ob { background: rgba(201,95,74,.12); }

.scale-wrap { margin-bottom: 1.25rem; }

.scale-track {
  height: 12px;
  display: flex;
  gap: 2px;
  border-radius: 6px;
  overflow: visible;
  position: relative;
  margin-bottom: .4rem;
}

.scale-seg {
  border-radius: 4px;
  height: 100%;
}

.scale-seg--uw { background: var(--cat-uw); flex: 1.2; }
.scale-seg--nw { background: var(--cat-nw); flex: 2.15; }
.scale-seg--ow { background: var(--cat-ow); flex: 1.6; }
.scale-seg--ob { background: var(--cat-ob); flex: 2; }

.scale-needle {
  position: absolute;
  top: -5px;
  width: 3px;
  height: 22px;
  background: var(--text);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: left .65s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 0 2px var(--bg-card);
}

.scale-tick-row {
  display: flex;
  justify-content: space-between;
  font-size: .7rem;
  color: var(--text-3);
  font-family: 'Courier New', monospace;
}

.equation-box {
  background: var(--bg-input);
  border-radius: var(--r-sm);
  padding: .9rem 1rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--secondary);
}

.eq-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
  margin-bottom: .5rem;
}

.eq-formula {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  color: var(--secondary);
  margin-bottom: .3rem;
}

.eq-sub {
  font-family: 'Courier New', monospace;
  font-size: .82rem;
  color: var(--text-2);
}

.meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: .5rem;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid var(--border-2);
  background: var(--bg-input);
  font-size: .75rem;
  font-weight: 500;
  color: var(--text-2);
}

.meta-chip-label {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-3);
}

.ref-table { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border); border-radius: var(--r-sm); overflow: hidden; margin-bottom: 1rem; }

.ref-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 2fr;
  gap: 0;
  padding: .65rem 1rem;
  border-bottom: 1px solid var(--border);
  align-items: center;
  transition: background var(--t) var(--ease);
}

.ref-row:last-child { border-bottom: none; }
.ref-row:hover:not(.ref-row--head) { background: var(--bg-input); }

.ref-row--head {
  background: var(--bg-input);
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-3);
}

.ref-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
}

.ref-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  font-style: normal;
}

.ref-range { font-family: 'Courier New', monospace; font-size: .82rem; color: var(--text-2); }
.ref-note { font-size: .78rem; color: var(--text-3); }
.ref-disclaimer { font-size: .75rem; color: var(--text-3); line-height: 1.6; padding: .25rem 0; }

.records-toolbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: .6rem .9rem;
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  background: var(--bg-card);
  transition: all var(--t) var(--ease);
  min-width: 260px;
}

.search-box:focus-within { border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(164,114,81,.1); }
.search-box svg { width: 15px; height: 15px; color: var(--text-3); flex-shrink: 0; }

.search-input {
  border: none;
  background: transparent;
  outline: none;
  font-family: var(--font-sans);
  font-size: .875rem;
  color: var(--text);
  width: 100%;
}

.search-input::placeholder { color: var(--text-3); }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.1rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-xs);
}

.stat-n {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1;
  margin-bottom: .25rem;
}

.stat-n--green { color: var(--cat-nw); }
.stat-n--red { color: var(--cat-ob); }

.stat-l {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-3);
}

.records-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 5rem 2rem;
  text-align: center;
  color: var(--text-3);
  font-size: .9rem;
  line-height: 1.6;
}

.records-empty svg { width: 60px; height: 60px; }

.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: auto;
  box-shadow: var(--shadow-sm);
}

.rtable {
  width: 100%;
  border-collapse: collapse;
  font-size: .845rem;
}

.rtable thead tr {
  background: var(--bg-input);
  border-bottom: 2px solid var(--border-2);
}

.rtable th {
  padding: .8rem 1rem;
  text-align: left;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-3);
  white-space: nowrap;
}

.rtable th:first-child { padding-left: 1.25rem; }
.rtable th:last-child { padding-right: 1.25rem; }

.rtable tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--t) var(--ease);
}

.rtable tbody tr:last-child { border-bottom: none; }
.rtable tbody tr:hover { background: var(--bg-input); }

.rtable td {
  padding: .8rem 1rem;
  color: var(--text-2);
  white-space: nowrap;
}

.rtable td:first-child { padding-left: 1.25rem; font-weight: 700; color: var(--text-3); font-size: .78rem; }

.td-name { font-weight: 600; color: var(--text) !important; }
.td-bmi { font-family: var(--font-serif); font-size: 1.1rem !important; font-weight: 600; }
.td-ts { font-family: 'Courier New', monospace; font-size: .72rem !important; color: var(--text-3) !important; }

.bmi-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: .75rem;
  font-weight: 700;
}

.bmi-badge.c-uw { background: rgba(91,168,190,.12); color: var(--cat-uw); }
.bmi-badge.c-nw { background: rgba(91,168,120,.12); color: var(--cat-nw); }
.bmi-badge.c-ow { background: rgba(212,160,64,.12); color: var(--cat-ow); }
.bmi-badge.c-ob { background: rgba(201,95,74,.12); color: var(--cat-ob); }

.btn-del {
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  font-size: .75rem;
  transition: all var(--t) var(--ease);
}

.btn-del:hover { background: rgba(201,95,74,.1); color: var(--cat-ob); border-color: rgba(201,95,74,.3); }
.btn-del svg { width: 13px; height: 13px; display: block; }

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

.site-footer p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: .85rem;
  color: var(--text-2);
}

.footer-note {
  font-family: var(--font-sans) !important;
  font-style: normal !important;
  font-size: .75rem !important;
  color: var(--text-3) !important;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: var(--text);
  color: var(--bg);
  padding: .65rem 1.25rem;
  border-radius: 99px;
  font-size: .83rem;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
  z-index: 9999;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.result-body { animation: fadeUp .35s var(--ease) forwards; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1020px) {
  .measure-grid { grid-template-columns: 1fr; }
  .card--result, .card--scale { grid-column: 1; grid-row: auto; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .form-row--three { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main { padding: 1.25rem 1rem; }
  .header-inner { padding: 0 1rem; gap: .75rem; }
  .header-nav { display: none; }
  .page-header { flex-direction: column; gap: .75rem; }
  .records-toolbar { flex-direction: column; align-items: stretch; }
  .search-box { min-width: unset; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .ref-row { grid-template-columns: 1fr 1fr; }
  .ref-note { display: none; }
  .btn-connect span, .btn-disconnect span { display: none; }
  .esp-chip .esp-label { display: none; }
  .brand-name { font-size: 1rem; }
}