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40px);max-height:min(70vh,640px);box-shadow:var(--elev-drawer);flex-direction:column;gap:12px;padding:14px;display:flex;overflow:auto}.calc-popup-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.calc-popup-title{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:600}.calc-popup-close{border:1px solid var(--line2);background:var(--card);width:32px;height:32px;color:var(--muted2);cursor:pointer;justify-content:center;align-items:center;display:flex}.calc-popup-close:hover{color:var(--ink);border-color:var(--muted)}.calc-popup-display{background:var(--card-2);border:1px solid var(--line);justify-content:space-between;align-items:center;gap:10px;min-height:44px;padding:12px 14px;display:flex}.calc-popup-expr{font-size:18px;font-family:var(--font-mono);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.calc-popup-res{color:var(--accent);font-size:18px;font-weight:600;font-family:var(--font-mono);flex:none}.calc-popup-hint{color:var(--muted);margin:0;font-size:12px;line-height:1.45}@media (min-width:961px){.calc-float{left:calc(var(--sidebar-w) + 20px)}}@media (max-width:960px){.calc-float{left:16px;bottom:calc(70px + var(--safe-b))}}.diagram-bay{background:var(--bay)}.diagram-divider{border-left:1px solid var(--divider-line)}@media (max-width:960px){.app{grid-template-rows:auto 1fr auto;grid-template-columns:1fr}.app-sidebar{display:none}.theme-toggle-mobile,.app-header-logo{display:block}.app-header{padding:0 18px}.app-content{max-width:none}.screen{gap:24px;padding:24px 18px 28px}.screen-hero h1{font-size:22px}.home-grid{grid-template-columns:1fr;gap:28px}.editor-workspace{grid-template-columns:1fr;gap:20px;padding:8px 16px 24px}.editor-stack{padding:8px 16px 24px}.editor-top{padding:10px 10px 6px}.editor-tabs{margin:0 16px}.nudge{margin:16px 18px 0}.bottom-nav{z-index:6;padding:6px 8px calc(6px + var(--safe-b));background:var(--header-bg);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);display:flex;position:sticky;bottom:0}.bottom-nav button{min-height:50px;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:0;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;transition:color .15s;display:flex}.bottom-nav button[data-on=true]{color:var(--accent)}.bottom-nav .nav-icon{line-height:0;display:flex}.bottom-nav .nav-label{letter-spacing:.01em;font-size:10.5px;font-weight:550}.bottom-nav button[data-on=true] .nav-label{font-weight:650}}@media (max-width:560px){.template-grid{grid-template-columns:1fr 1fr}}@media print{.no-print{display:none!important}body{background:#fff}.app{border:none;max-width:none;display:block}.app-sidebar,.bottom-nav,.calc-float,.theme-toggle{display:none!important}}