/*
  JJ Tools Calculators
  - Scoped styles (prefix: .jjtc)
  - Designed to be theme-safe (minimal global leakage)
*/

.jjtc{
  --jjtc-bg:#f6f8fb;
  --jjtc-card:#ffffff;
  --jjtc-text:#0f172a;
  --jjtc-muted:#64748b;
  --jjtc-line:#e5e7eb;
  --jjtc-blue:#2563eb;
  --jjtc-blue2:#1d4ed8;
  --jjtc-red:#ef4444;
  --jjtc-green:#16a34a;
  --jjtc-amber:#f59e0b;
  --jjtc-beige:#fff7e6;
  --jjtc-beige2:#fff1d6;
  --jjtc-shadow: 0 10px 25px rgba(2,6,23,.06);
  --jjtc-radius: 16px;
  --jjtc-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --jjtc-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans KR", "Apple SD Gothic Neo", Arial, "Helvetica Neue", sans-serif;

  font-family: var(--jjtc-sans);
  color: var(--jjtc-text);
}

.jjtc *,
.jjtc *::before,
.jjtc *::after{ box-sizing: border-box; }

.jjtc .wrap{
  background: var(--jjtc-bg);
  border: 1px solid var(--jjtc-line);
  border-radius: 18px;
  box-shadow: var(--jjtc-shadow);
  padding: 16px;
}

@media (max-width: 720px){
  .jjtc .wrap{ padding: 14px; }
}

/* Header */
.jjtc .head{
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap: 10px 14px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.jjtc .title h2{
  margin:0;
  font-size: 20px;
  letter-spacing: -.3px;
}

.jjtc .title p{
  margin: 6px 0 0;
  color: var(--jjtc-muted);
  font-size: 13px;
  line-height: 1.45;
}

.jjtc .toolbar{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
}

/* Cards / sections */
.jjtc .card{
  background: var(--jjtc-card);
  border: 1px solid var(--jjtc-line);
  border-radius: var(--jjtc-radius);
  padding: 14px;
}

.jjtc .sectionTitle{
  display:flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 10px;
}

.jjtc .sectionTitle h3{
  margin:0;
  font-size: 15px;
  letter-spacing: -.2px;
}

.jjtc .hint{
  color: var(--jjtc-muted);
  font-size: 12px;
  line-height: 1.4;
}

.jjtc .hr{ height:1px; background: var(--jjtc-line); margin: 12px 0; }

/* Layout helpers */
.jjtc .row{ display:flex; align-items:center; gap:10px; flex-wrap: wrap; }

.jjtc .grid2{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

@media (max-width: 900px){
  .jjtc .grid2{ grid-template-columns: 1fr; }
}

.jjtc .resultGrid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

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

/* Inputs */
.jjtc label{
  display:block;
  margin: 0 0 6px;
  color: var(--jjtc-muted);
  font-size: 12px;
}

.jjtc .inp{
  width: 100%;
  padding: 11px 11px;
  border-radius: 12px;
  border: 1px solid #fde68a;
  background: var(--jjtc-beige);
  color: var(--jjtc-text);
  font-size: 14px;
  outline: none;
  transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
}

.jjtc .inp.req{
  border-color:#fcd34d;
  box-shadow: inset 0 1px 0 rgba(2,6,23,.03);
}

.jjtc .inp:focus{
  background: #fff;
  border-color: rgba(37,99,235,.70);
  box-shadow: 0 0 0 4px rgba(37,99,235,.14);
}

.jjtc .inp:disabled{
  opacity: .65;
  cursor:not-allowed;
}

.jjtc input[type="number"].inp{ font-family: var(--jjtc-mono); font-weight: 800; }

/* Buttons */
.jjtc .btn{
  appearance:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--jjtc-line);
  background:#fff;
  color: var(--jjtc-text);
  font-weight: 900;
  font-size: 13px;
  line-height: 1;
  cursor:pointer;
  user-select:none;
  text-decoration: none;
  transition: transform .05s ease, border-color .15s ease, background .15s ease;
}

.jjtc .btn:hover{ border-color:#cbd5e1; }
.jjtc .btn:active{ transform: translateY(1px); }

.jjtc .btn.primary{
  background: var(--jjtc-blue);
  border-color: var(--jjtc-blue);
  color:#fff;
}

.jjtc .btn.primary:hover{ background: var(--jjtc-blue2); border-color: var(--jjtc-blue2); }

.jjtc .btn.ghost{
  background: rgba(37,99,235,.08);
  border-color: rgba(37,99,235,.35);
  color: var(--jjtc-blue2);
}

.jjtc .btn.ghost:hover{ background: rgba(37,99,235,.12); }

.jjtc .btn.sm{ padding: 8px 10px; font-size: 12px; border-radius: 10px; }

.jjtc .btn.block{ width:100%; }

/* Chips */
.jjtc .chips{ display:flex; gap:8px; flex-wrap:wrap; }

.jjtc .chip{
  appearance:none;
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--jjtc-line);
  background: #fff;
  color: var(--jjtc-muted);
  font-size: 12px;
  line-height:1;
}

.jjtc button.chip{ cursor:pointer; }
.jjtc button.chip:hover{ border-color:#cbd5e1; background:#f8fafc; }

/* Step badge */
.jjtc .step{ display:inline-flex; align-items:center; gap:8px; }
.jjtc .step .num{
  width: 22px; height: 22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius: 999px;
  background: rgba(37,99,235,.12);
  color: var(--jjtc-blue2);
  border: 1px solid rgba(37,99,235,.25);
  font-size: 12px;
  font-weight: 1000;
}

/* Toggle (segmented control) */
.jjtc .toggle{
  display:inline-flex;
  border:1px solid var(--jjtc-line);
  border-radius: 12px;
  overflow:hidden;
  background:#fff;
}

.jjtc .toggle button{
  appearance:none;
  border:0;
  background: transparent;
  padding: 10px 12px;
  font-weight: 900;
  font-size: 13px;
  cursor:pointer;
  color: var(--jjtc-muted);
}

.jjtc .toggle button.on{
  background: rgba(37,99,235,.10);
  color: var(--jjtc-blue2);
}

/* KPI cards */
.jjtc .kpi{
  border: 1px solid var(--jjtc-line);
  border-radius: 14px;
  padding: 12px;
  background: #fff;
}

.jjtc .kpi.emph{ background: var(--jjtc-beige2); border-color:#fde68a; }

.jjtc .kpi .label{ font-size: 12px; color: var(--jjtc-muted); font-weight: 900; }
.jjtc .kpi .value{ margin-top: 6px; font-size: 20px; font-weight: 1000; letter-spacing:-.4px; font-family: var(--jjtc-mono); }
.jjtc .kpi .sub{ margin-top: 6px; font-size: 12px; color: var(--jjtc-muted); line-height:1.4; }

/* Tags */
.jjtc .tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  border:1px solid var(--jjtc-line);
  background:#fff;
}

.jjtc .tag.good{ border-color:#bbf7d0; background:#f0fdf4; color:#166534; }
.jjtc .tag.bad{ border-color:#fecaca; background:#fef2f2; color:#991b1b; }
.jjtc .tag.warn{ border-color:#fde68a; background:#fffbeb; color:#92400e; }

/* Notes */
.jjtc .note{
  padding: 10px 12px;
  border-radius: 14px;
  background:#f8fafc;
  border: 1px solid var(--jjtc-line);
  color: var(--jjtc-muted);
  font-size: 12px;
  line-height: 1.55;
}

.jjtc .mini{ font-size: 12px; color: var(--jjtc-muted); line-height: 1.55; }
.jjtc .small{ font-size: 12px; color: var(--jjtc-muted); line-height: 1.55; }

/* Details */
.jjtc details{
  border:1px solid var(--jjtc-line);
  border-radius: 14px;
  padding: 10px 12px;
  background:#fff;
}

.jjtc details summary{ cursor:pointer; font-weight: 1000; letter-spacing:-.2px; }

/* CTA block */
.jjtc .cta{
  border:1px solid rgba(37,99,235,.18);
  background: rgba(37,99,235,.06);
  border-radius: 14px;
  padding: 12px;
}

/* Toast */
.jjtc .toast{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(15,23,42,.92);
  color:#fff;
  padding: 10px 12px;
  border-radius: 999px;
  font-size: 12px;
  opacity: 0;
  pointer-events:none;
  transition: opacity .18s ease, transform .18s ease;
  z-index: 99999;
}

.jjtc .toast.show{
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}