.uc-calculator{--uc-bg:#07111f;--uc-panel:#0d1a2b;--uc-panel2:#101f33;--uc-border:rgba(255,255,255,.11);--uc-text:#f7f9fc;--uc-muted:#9aa8ba;--uc-accent:#ff9d2e;--uc-accent-soft:rgba(255,157,46,.13);box-sizing:border-box;width:100%;max-width:1100px;margin:30px auto;font-family:Arial,Helvetica,sans-serif;color:var(--uc-text)}
.uc-calculator *{box-sizing:border-box}.uc-card{background:var(--uc-bg);border:1px solid var(--uc-border);border-radius:18px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.18)}
.uc-top{padding:28px 30px 20px;background:linear-gradient(135deg,#0d1a2b,#091525)}.uc-kicker{display:inline-block;margin-bottom:8px;font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--uc-accent)}
.uc-calculator h2{margin:0;color:var(--uc-text);font-size:clamp(24px,4vw,34px);line-height:1.15}.uc-top p{margin:8px 0 0;color:var(--uc-muted);font-size:14px}
.uc-categories{display:flex;gap:8px;padding:14px 18px;overflow-x:auto;border-top:1px solid var(--uc-border);border-bottom:1px solid var(--uc-border)}
.uc-cat{flex:0 0 auto;border:1px solid var(--uc-border);background:transparent;color:#b9c5d4;padding:9px 13px;border-radius:9px;cursor:pointer;font-size:13px;font-weight:600}.uc-cat:hover,.uc-cat.is-active{background:var(--uc-accent-soft);border-color:rgba(255,157,46,.55);color:var(--uc-accent)}
.uc-workspace{display:grid;grid-template-columns:minmax(0,1fr) 54px minmax(0,1fr);gap:18px;align-items:end;padding:28px 30px 22px}.uc-field label{display:block;margin-bottom:8px;color:var(--uc-muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.uc-calculator input,.uc-calculator select,.uc-output{width:100%;min-height:52px;border:1px solid var(--uc-border);background:var(--uc-panel);color:var(--uc-text);border-radius:10px;outline:none}.uc-calculator input{display:block;padding:0 15px;margin-bottom:9px;font-size:21px}.uc-calculator select{padding:0 12px;font-size:14px;cursor:pointer}.uc-calculator input:focus,.uc-calculator select:focus{border-color:rgba(255,157,46,.65);box-shadow:0 0 0 3px rgba(255,157,46,.09)}
.uc-output{display:flex;align-items:center;padding:0 15px;margin-bottom:9px;font-size:21px;overflow:hidden;word-break:break-word}.uc-swap{width:54px;height:54px;border:1px solid rgba(255,157,46,.45);border-radius:50%;background:var(--uc-accent-soft);color:var(--uc-accent);font-size:25px;cursor:pointer}.uc-swap:hover{background:rgba(255,157,46,.2)}
.uc-result-box{margin:0 30px 30px;padding:18px 20px;background:var(--uc-panel2);border:1px solid var(--uc-border);border-radius:12px}.uc-expression{font-size:15px;font-weight:700;line-height:1.5;word-break:break-word}.uc-note{margin-top:5px;color:var(--uc-muted);font-size:12px}
@media(max-width:700px){.uc-top{padding:22px 18px 17px}.uc-workspace{grid-template-columns:1fr;padding:22px 18px 18px;gap:12px}.uc-swap{justify-self:center;transform:rotate(90deg)}.uc-result-box{margin:0 18px 18px}}