.wcalc-tabs{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;max-width:980px;margin:0 auto 1.4rem;}
  .wcalc-tab{padding:.5rem .9rem;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);border-radius:8px;font-size:.8rem;font-weight:600;color:var(--text-light);cursor:pointer;font-family:inherit;transition:all .15s;}
  .wcalc-tab:hover{border-color:var(--gold);}
  .wcalc-tab.on{background:var(--gold);color:var(--navy);border-color:var(--gold);}
  .wcalc-panel{max-width:860px;margin:0 auto;background:linear-gradient(145deg,var(--ai-slate-light),var(--ai-slate));border:1px solid rgba(99,102,241,.2);border-radius:18px;padding:2rem;}
  .wcalc-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;}
  .wcalc-field{margin-bottom:.85rem;}
  .wcalc-field label{display:block;font-size:.74rem;font-weight:600;color:var(--text-light);margin-bottom:.3rem;}
  .wcalc-field input,.wcalc-field select{width:100%;padding:.6rem .75rem;border:1px solid rgba(255,255,255,.16);background:rgba(0,0,0,.25);color:#fff;border-radius:8px;font-size:.9rem;font-family:inherit;box-sizing:border-box;}
  .wcalc-out{background:rgba(212,165,116,.08);border:1px solid rgba(212,165,116,.28);border-radius:14px;padding:1.3rem;align-self:start;}
  .wcalc-out .wc-lbl{font-size:.72rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--gold);margin-bottom:.3rem;}
  .wcalc-out .wc-big{font-size:2rem;font-weight:800;color:#fff;line-height:1.1;margin-bottom:.6rem;}
  .wc-row{display:flex;justify-content:space-between;padding:.4rem 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:.85rem;color:var(--text-light);}
  .wc-row:last-child{border-bottom:none;}
  .wc-row b{color:#fff;}
  .wc-note{font-size:.7rem;color:var(--text-muted);margin-top:.7rem;}
  @media(max-width:768px){.wcalc-grid{grid-template-columns:1fr;}.wcalc-panel{padding:1.3rem;}}