.calculator-app{min-height:100%;padding:76px 0 34px;background:var(--bg)}
.calculator-topbar{position:fixed;z-index:40;top:0;left:0;right:0;height:64px;padding:0 24px;border-top:3px solid var(--primary);border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;gap:24px}
.calculator-brand{min-width:0;display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}
.calculator-brand img{width:36px;height:36px;border:1px solid var(--line);border-radius:7px;background:#fff;object-fit:cover}
.calculator-brand span{display:flex;flex-direction:column;line-height:1.2}
.calculator-brand strong{font-size:15px;color:var(--primary-strong)}
.calculator-brand small{margin-top:3px;color:var(--muted);font-size:10.5px}
.calculator-topnav{margin-left:auto;display:flex;align-items:center;gap:2px}
.calculator-topnav a{padding:8px 10px;border-bottom:2px solid transparent;color:#44534c;text-decoration:none;font-size:13px;font-weight:650}
.calculator-topnav a:hover{color:var(--primary-strong);border-bottom-color:var(--line-strong)}
.calculator-account{height:36px;max-width:190px;padding:0 12px;border:1px solid var(--line-strong);border-radius:6px;background:#fff;color:var(--primary-strong);display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-weight:700;white-space:nowrap}
.calculator-account span{max-width:132px;overflow:hidden;text-overflow:ellipsis}
.calculator-account.is-authenticated{background:var(--primary-soft);border-color:transparent}
.calculator-page-back{display:inline-flex;align-items:center;gap:6px;text-decoration:none;background:#fff}
.calculator-app #view-calc{padding-top:20px}
.calculator-app .calc-panel-head{top:76px}
.platform-mobile-nav{display:none}
#toast{display:none}
#toast.show{display:block}
.calculator-app.embedded-calculator{padding:0 0 12px}
.embedded-calculator .calculator-topbar,.embedded-calculator .platform-mobile-nav,.embedded-calculator .calculator-page-back{display:none}
.embedded-calculator #view-calc{padding-top:12px}
.embedded-calculator .calc-panel-head{top:0}

@media (min-width:960px){
  body.calculator-app{padding:76px 0 34px}
}

@media (max-width:860px){
  body.calculator-app{padding:66px 0 calc(70px + env(safe-area-inset-bottom,0px))}
  .calculator-topbar{height:56px;padding:0 14px;gap:10px}
  .calculator-brand img{width:32px;height:32px}
  .calculator-brand small,.calculator-topnav{display:none}
  .calculator-account{width:36px;height:36px;margin-left:auto;padding:0;justify-content:center}
  .calculator-account span{display:none}
  .calculator-app #view-calc{padding-top:12px}
  .calculator-app .calc-panel-head{top:62px}
  .platform-mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:45;min-height:56px;padding-bottom:env(safe-area-inset-bottom,0px);border-top:1px solid var(--line);background:#fff;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));box-shadow:0 -5px 20px rgba(20,48,39,.05)}
  .platform-mobile-nav a{position:relative;min-width:0;min-height:56px;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;text-decoration:none;font-size:10px}
  .platform-mobile-nav i{font-size:20px}
  .platform-mobile-nav a[aria-current="page"]{color:var(--primary);font-weight:750}
  .platform-mobile-nav a[aria-current="page"]::before{content:"";position:absolute;top:0;width:24px;height:2px;background:var(--primary)}
}

@media (max-width:640px){
  .calculator-page-back{margin-left:0}
}