*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: radial-gradient(circle at 20% 10%, #f3fbff, #fff 55%, #faf7ff);
  color:#111;
}
.wrap{padding:18px}
.card{
  max-width: 980px;
  margin: 0 auto;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.82);
  box-shadow: 0 16px 40px rgba(0,0,0,.08);
  backdrop-filter: blur(6px);
}
.top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
h1{margin:0;font-size:22px;letter-spacing:-.3px}
.sub{margin:6px 0 0;font-size:13px;opacity:.75}
.unit{display:flex;gap:8px}
.pill{
  border:1px solid rgba(0,0,0,.12);
  background:#fff;
  border-radius:999px;
  padding:8px 10px;
  font-weight:800;
  cursor:pointer;
}
.pill.active{background:#111;color:#fff;border-color:#111}
.controls{margin-top:14px}
.field{
  border:1px solid rgba(0,0,0,.08);
  background: rgba(255,255,255,.75);
  border-radius:16px;
  padding:12px;
}
.field + .field{margin-top:12px}
label{display:block;font-weight:900;font-size:13px;margin-bottom:8px}
.hint{font-weight:700;opacity:.6}
.grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top:14px;
}
@media (max-width:780px){.grid{grid-template-columns:1fr}}
.row{display:flex;gap:10px;align-items:center}
.rng{width:100%}
.num{
  width:98px;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid rgba(0,0,0,.14);
  font-weight:800;
}
.mini{margin:8px 0 0;font-size:12px;opacity:.78}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.segbtn{
  border:1px solid rgba(0,0,0,.12);
  background:#fff;
  padding:9px 10px;
  border-radius:14px;
  font-weight:900;
  cursor:pointer;
}
.segbtn.active{background:#111;color:#fff;border-color:#111}
.fit{display:flex;gap:8px;flex-wrap:wrap}
.fitbtn{
  border:1px solid rgba(0,0,0,.12);
  background:#fff;
  padding:9px 10px;
  border-radius:14px;
  font-weight:900;
  cursor:pointer;
}
.fitbtn.active{background:#111;color:#fff;border-color:#111}

.result{
  margin-top:14px;
  border:1px solid rgba(0,0,0,.10);
  border-radius:18px;
  padding:14px;
  background: radial-gradient(circle at 10% 10%, #eefcff, #fff);
}
.badge{
  display:inline-flex;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(0,0,0,.06);
  font-size:12px;
  font-weight:950;
}
.out{display:flex;gap:14px;align-items:baseline;flex-wrap:wrap;margin-top:10px}
.size{font-size:34px;font-weight:1000;letter-spacing:-.7px}
.age{font-size:14px;font-weight:900;opacity:.75}
.meter{margin-top:12px}
.bar{height:10px;border-radius:999px;background:rgba(0,0,0,.08);overflow:hidden}
.bar span{display:block;height:100%;width:0%;background:#111;border-radius:999px;transition:width .25s ease}
.metertext{margin:8px 0 0;font-size:12px;opacity:.78;font-weight:750}
.note{margin:10px 0 0;font-size:12px;opacity:.82}
.bottom{margin-top:12px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.disc{margin:0;font-size:12px;opacity:.72}
.reset{
  border:1px solid rgba(0,0,0,.12);
  background:#fff;
  padding:9px 10px;
  border-radius:14px;
  font-weight:900;
  cursor:pointer;
}
/* How to Measure link */
.helpLink{
  margin-top: 10px;
  border: none;
  background: transparent;
  font-weight: 950;
  cursor: pointer;
  padding: 6px 2px;
  text-decoration: underline;
  text-underline-offset: 4px;
  opacity: .85;
}
.helpLink:hover{ opacity: 1; }

/* Modal */
.lrModal{
  position: fixed;
  inset: 0;
  display: none;
  z-index: 9999;
}
.lrModal.is-open{ display:block; }

.lrModal__backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.55);
}

.lrModal__panel{
  position: relative;
  width: min(980px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  overflow: auto;
  margin: 12px auto;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.92);
  box-shadow: 0 18px 60px rgba(0,0,0,.25);
  padding: 14px;
}

.lrModal__close{
  position:absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.12);
  background: #fff;
  cursor: pointer;
  font-size: 22px;
  font-weight: 950;
  line-height: 1;
}

.lrModal__header{ padding: 6px 6px 12px; }
.lrModal__title{ font-size: 18px; font-weight: 1000; letter-spacing: -.2px; }
.lrModal__sub{ font-size: 12px; opacity:.75; margin-top: 4px; }

.lrModal__content{
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 14px;
  align-items: start;
}

.lrModal__imgWrap{
  position: relative;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,.10);
  background: #fff;
  overflow: hidden;
}
.lrModal__imgWrap img{
  display:block;
  width:100%;
  height:auto;
}

.hotspot{
  position:absolute;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(0,0,0,.16);
  background: rgba(255,255,255,.92);
  border-radius: 999px;
  padding: 8px 10px;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(0,0,0,.12);

  /* mobile + layout helpers */
  white-space: nowrap;
  min-width: 36px;
  min-height: 36px;
}

.hotspot:hover{
  transform: translate(-50%, -50%) scale(1.03);
}
.hotspot:focus{
  outline: 3px solid rgba(0,0,0,.18);
  outline-offset: 2px;
}

.hotspot span{ font-size: 12px; }

.hotspot.is-active{
  background: #111;
  color: #fff;
  border-color: #111;
}

.lrModal__tip{
  font-size: 12px;
  opacity: .78;
  margin-top: 8px;
  padding-left: 6px;
}

.measureCard{
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,.10);
  background: radial-gradient(circle at 10% 10%, #eefcff, #fff);
  padding: 12px;
}
.measureCard__title{ font-size: 16px; font-weight: 1000; }
.measureCard__body{ margin-top: 8px; font-size: 13px; opacity: .88; line-height: 1.45; }
.measureCard__note{ margin-top: 10px; font-size: 12px; opacity: .78; font-weight: 750; }

.lrModal__foot{ margin-top: 12px; display:flex; justify-content:flex-end; }
.lrModal__ok{
  border: 1px solid rgba(0,0,0,.12);
  background:#fff;
  padding: 10px 12px;
  border-radius: 14px;
  font-weight: 950;
  cursor:pointer;
}

/* Mobile tweaks for the modal */
@media (max-width: 880px){
  .lrModal__panel{
    margin: 8px auto;
    padding: 12px;
  }
  .lrModal__content{
    gap: 12px;
    grid-template-columns: 1fr;
  }
  .lrModal__figure{ order: 1; }
  .lrModal__text{ order: 2; }
}
@media (max-width: 520px){
  .hotspot span{
    font-size: 11px;
  }
  .hotspot[data-measure="height"]{
    left: 85% !important;
  }
}