/* ============================================================
   ShaFX Calculators — dark theme (v39)
   Uses global tokens from core.css. Do NOT hardcode #fff here.
   ============================================================ */

.calc-wrap{max-width:1080px;margin:0 auto;padding:32px 16px 64px}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:18px}

.calc-card{
  background:linear-gradient(180deg,var(--surface) 0%,var(--bg-3) 100%);
  border:1px solid var(--line);
  border-radius:14px;
  padding:24px;
  box-shadow:0 1px 3px rgba(0,0,0,.18);
  color:var(--text);
}
.calc-card h2{
  font-size:1rem;margin:0 0 16px;font-weight:700;
  color:var(--text);text-transform:uppercase;letter-spacing:.06em;
}

.calc-row{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.calc-row label{font-size:.85rem;font-weight:600;color:var(--text-2)}
.calc-row input,.calc-row select,.calc-row textarea{
  padding:11px 14px;
  border:1px solid var(--line-2);
  border-radius:8px;
  font-size:1rem;font-family:inherit;
  background:rgba(0,0,0,.28);
  color:var(--text);
  width:100%;box-sizing:border-box;
}
.calc-row select option{background:var(--surface);color:var(--text)}
.calc-row input:focus,.calc-row select:focus,.calc-row textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(255,204,0,.18)
}
.calc-row .hint{font-size:.78rem;color:var(--text-3);margin-top:2px}
.calc-row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

.calc-result{
  background:linear-gradient(135deg,rgba(255,204,0,.10),rgba(255,255,255,.02));
  border:1px solid rgba(255,204,0,.25);
  border-radius:12px;padding:20px;margin-bottom:14px;
}
.calc-result .lbl{
  font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--text-3);font-weight:700;margin-bottom:6px;
}
.calc-result .val{
  font-size:2rem;font-weight:900;color:var(--brand);line-height:1.1;
}
.calc-result .sub{font-size:.85rem;color:var(--text-3);margin-top:4px}
.calc-result-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.calc-result-row .calc-result{margin-bottom:0}
.calc-result.green{
  background:linear-gradient(135deg,rgba(34,197,94,.12),rgba(255,255,255,.02));
  border-color:rgba(34,197,94,.3)
}
.calc-result.green .val{color:#4ade80}
.calc-result.red{
  background:linear-gradient(135deg,rgba(239,68,68,.10),rgba(255,255,255,.02));
  border-color:rgba(239,68,68,.3)
}
.calc-result.red .val{color:#f87171}

.calc-disclaimer{
  background:rgba(255,255,255,.03);
  border-left:3px solid var(--brand);
  padding:14px 18px;font-size:.85rem;color:var(--text-2);
  margin:24px 0;border-radius:6px;
}
.calc-disclaimer strong{color:var(--text)}

.calc-explainer{
  background:linear-gradient(180deg,var(--surface) 0%,var(--bg-3) 100%);
  border:1px solid var(--line);border-radius:12px;
  padding:20px 24px;margin:18px 0;font-size:.95rem;
  color:var(--text-2);line-height:1.65;
}
.calc-explainer h3{margin:0 0 10px;font-size:1.05rem;color:var(--text);font-weight:700}
.calc-explainer p{color:var(--text-2);margin:0 0 .8em}
.calc-explainer p:last-child{margin-bottom:0}
.calc-explainer a{color:var(--brand)}
.calc-explainer ol,.calc-explainer ul{color:var(--text-2);padding-left:20px;margin:0 0 .8em}
.calc-explainer strong{color:var(--text)}

.calc-cta{
  background:linear-gradient(135deg,var(--brand-ink),var(--bg));
  color:#fff;border-radius:14px;padding:28px;
  margin-top:24px;text-align:center;
  border:1px solid var(--line-2);
}
.calc-cta h3{margin:0 0 8px;font-size:1.4rem;color:#fff;font-weight:800}
.calc-cta p{margin:0 0 16px;color:rgba(255,255,255,.78);font-size:.95rem}
.calc-cta .btn{
  background:var(--brand);color:var(--brand-ink);
  padding:12px 28px;border-radius:8px;
  text-decoration:none;font-weight:700;display:inline-block
}

.calc-tools-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:14px;margin-top:24px;
}
.calc-tools-grid a{
  background:linear-gradient(180deg,var(--surface) 0%,var(--bg-3) 100%);
  border:1px solid var(--line);border-radius:12px;
  padding:18px;text-decoration:none;color:var(--text);
  transition:transform .12s,box-shadow .12s,border-color .12s;
  display:block;
}
.calc-tools-grid a:hover{
  transform:translateY(-2px);
  border-color:var(--brand);
  box-shadow:0 6px 18px rgba(0,0,0,.35)
}
.calc-tools-grid h4{margin:0 0 4px;font-size:.98rem;font-weight:700;color:var(--text)}
.calc-tools-grid p{margin:0;font-size:.82rem;color:var(--text-3)}

.calc-table{width:100%;border-collapse:collapse;font-size:.9rem;margin-top:14px}
.calc-table th,.calc-table td{
  padding:10px 12px;text-align:left;
  border-bottom:1px solid var(--line);color:var(--text-2);
}
.calc-table th{
  font-size:.78rem;text-transform:uppercase;color:var(--text-3);
  font-weight:700;letter-spacing:.04em;
}

/* Session clock specific */
.session-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.session-card{
  background:linear-gradient(180deg,var(--surface) 0%,var(--bg-3) 100%);
  border:1px solid var(--line);border-radius:12px;
  padding:18px;text-align:center;
}
.session-card.open{border-color:rgba(34,197,94,.4);background:rgba(34,197,94,.04)}
.session-card .name{font-size:1.05rem;font-weight:800;color:var(--text)}
.session-card .status{
  font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;
  font-weight:700;margin:6px 0;color:var(--text-3);
}
.session-card.open .status{color:#4ade80}
.session-card.closed .status{color:var(--text-3)}
.session-card .hours{font-size:.85rem;color:var(--text-2)}
.session-card .countdown{
  font-size:.95rem;font-family:'SFMono-Regular',Consolas,monospace;
  color:var(--brand);margin-top:8px;font-weight:700;
}

/* Inline page elements that calc views inherit */
.calc-wrap textarea[readonly]{
  background:rgba(0,0,0,.35);color:var(--text);
  border:1px solid var(--line);border-radius:10px;
  font-family:ui-monospace,Menlo,Consolas,monospace;
}

@media (max-width:768px){
  .calc-grid{grid-template-columns:1fr}
  .calc-row-2,.calc-result-row{grid-template-columns:1fr}
  .calc-result .val{font-size:1.6rem}
  .calc-wrap{padding:20px 12px 48px}
}