:root{
  --bg:#0b0c10;
  --card:#12141c;
  --text:#f4f6ff;
  --muted:rgba(244,246,255,.72);
  --line:rgba(244,246,255,.12);
  --line2:rgba(244,246,255,.18);
  --accent:#9bd0ff;
  --danger:#ff6b6b;
  --radius:14px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 30% -10%, rgba(155,208,255,.16), transparent 55%),
              radial-gradient(900px 500px at 110% 10%, rgba(255,170,220,.10), transparent 55%),
              var(--bg);
  color:var(--text);
}

a{ color:var(--text); text-decoration:none; }
a:hover{ text-decoration:underline; }

.topbar{
  position:sticky;
  top:0;
  z-index:10;
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  background: rgba(11,12,16,.72);
  backdrop-filter: blur(10px);
}

.backlink{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid var(--line2);
  background: rgba(255,255,255,.04);
  white-space:nowrap;
}

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

/* Unit toggle shares the same styling as language toggle */
.unitToggle{
  display:flex;
  gap:8px;
  align-items:center;
}

.wrap{
  width:min(980px, calc(100% - 24px));
  margin: 18px auto 28px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.card{
  background: rgba(18,20,28,.86);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
}

h1{ font-size: 20px; margin: 0 0 6px; }
h2{ font-size: 18px; margin: 0 0 12px; }
h3{ font-size: 15px; margin: 14px 0 10px; }
.sub{ margin:0 0 14px; color:var(--muted); }
.hint{ margin:8px 0 0; color:var(--muted); font-size:12px; }
.note{ margin: 10px 0 0; color:var(--muted); font-size: 12px; line-height: 1.55; }

.field{ margin: 10px 0 0; }
label{ display:block; font-size:12px; color:var(--muted); margin: 0 0 6px; }

input, select{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border:1px solid var(--line2);
  background: rgba(255,255,255,.04);
  color: var(--text);
  outline: none;
}

input:focus, select:focus{
  border-color: rgba(155,208,255,.6);
  box-shadow: 0 0 0 3px rgba(155,208,255,.12);
}

.grid2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.grid3{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.inputs{ margin-top: 8px; }

.actions{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap:wrap;
  margin-top: 12px;
}

.mainActions{
  margin-top: 16px;
}

.primary{
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(155,208,255,.45);
  background: rgba(155,208,255,.12);
  color: var(--text);
  cursor:pointer;
  font-weight: 700;
}
.primary:hover{
  background: rgba(155,208,255,.18);
}

.pill{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--line2);
  background: rgba(255,255,255,.04);
  color: var(--text);
  cursor:pointer;
  white-space:nowrap;
}
.pill[aria-selected="true"]{
  border-color: rgba(155,208,255,.55);
  background: rgba(155,208,255,.12);
}
.pill-secondary{
  background: transparent;
  border: 1px dashed rgba(244,246,255,.28);
  color: rgba(244,246,255,.88);
}
.pill.secondary{
  background: transparent;
  border: 1px solid rgba(244,246,255,.28);
  color: rgba(244,246,255,.92);
}
.pill.secondary:hover{
  border-color: rgba(244,246,255,.45);
}

.result{
  margin-top: 16px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(155,208,255,.22);
  background: rgba(155,208,255,.06);
}
.resultTop{
  display:flex;
  gap: 10px;
  align-items: baseline;
  justify-content: space-between;
}
.resultTitle{
  font-weight:700;
  font-size: 14px;
}
.resultValueWrap{ display:flex; flex-direction:column; align-items:flex-end; }
.resultValue{
  font-weight: 900;
  font-size: 22px;
  line-height: 1.05;
}
.resultValueAlt{
  margin-top: 6px;
  font-weight: 700;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}
.resultDetail{
  margin-top: 10px;
  color: rgba(244,246,255,.86);
  font-size: 13px;
  line-height: 1.55;
}
.resultActions{
  margin-top: 12px;
}

.error{
  margin-top: 14px;
  padding: 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,107,107,.32);
  background: rgba(255,107,107,.08);
}
.errorMsg{
  font-weight: 700;
  margin-bottom: 10px;
}

.select{
  margin-top: 6px;
  position: relative;
}
.selectBtn{
  width:100%;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 12px;
  border-radius: 12px;
  border:1px solid var(--line2);
  background: rgba(255,255,255,.04);
  color: var(--text);
  cursor:pointer;
  text-align:left;
}
.selectBtnText{
  display:flex;
  flex-direction:column;
  line-height: 1.2;
  gap: 2px;
}
.selectChevron{ opacity:.75; }
.selectList{
  position:absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  max-height: 320px;
  overflow:auto;
  border-radius: 14px;
  border:1px solid var(--line2);
  background: rgba(18,20,28,.98);
  box-shadow: 0 16px 40px rgba(0,0,0,.35);
  padding: 6px;
}
.option{
  padding: 10px 10px;
  border-radius: 12px;
  cursor:pointer;
  border: 1px solid transparent;
}
.option:hover{
  border-color: rgba(155,208,255,.35);
  background: rgba(155,208,255,.08);
}
.option .optTitle{
  font-weight: 700;
  line-height: 1.2;
}
.option .optSub{
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.guideBox{
  margin-top: 12px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.guideBox img{
  display:block;
  width: 100%;
  height: auto;
}

.notes ul{
  margin: 10px 0 0;
  padding-left: 18px;
  color: rgba(244,246,255,.88);
  line-height: 1.6;
  font-size: 13px;
}

.tableHead{
  display:flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}
.tableMeta{ color: var(--muted); font-size: 12px; }

.tableWrap{
  margin-top: 12px;
  overflow:auto;
  border-radius: 14px;
  border: 1px solid var(--line);
}

table{
  width:100%;
  border-collapse: collapse;
  min-width: 560px;
}
thead th{
  position: sticky;
  top: 0;
  z-index: 1;
  background: rgba(18,20,28,.98);
  border-bottom: 1px solid var(--line);
  padding: 12px 12px;
  text-align:left;
  font-size: 12px;
  color: var(--muted);
}
tbody td{
  border-bottom: 1px solid var(--line);
  padding: 12px 12px;
  font-size: 13px;
}
tbody tr.highlight{
  background: rgba(155,208,255,.12);
  outline: 2px solid rgba(155,208,255,.38);
  outline-offset: -2px;
}
tbody tr.highlightAlt{
  background: rgba(244,246,255,.06);
  outline: 2px dashed rgba(244,246,255,.28);
  outline-offset: -2px;
}

.footer{
  padding: 22px 12px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footerInner{
  width:min(980px, calc(100% - 24px));
  margin: 0 auto;
  display:flex;
  align-items:center;
  gap: 12px;
}
.logo{
  height: 22px;
  width: auto;
  opacity: .95;
}
.copy{ font-size: 12px; }

.row{
  display:flex;
  gap: 10px;
  align-items:flex-end;
  justify-content: space-between;
  flex-wrap:wrap;
}

.est summary{
  cursor:pointer;
  user-select:none;
  color: rgba(244,246,255,.9);
  margin-top: 10px;
}

@media (max-width: 820px){
  .grid3{ grid-template-columns: 1fr; }
}

@media (max-width: 680px){
  .grid2{ grid-template-columns: 1fr; }
  table{ min-width: 520px; }
}


/* Log tools */
.logActions{
  margin-top: 10px;
  justify-content: flex-start;
}
.logInfo{
  color: var(--muted);
  font-size: 12px;
}