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#999;--icon-faint: #aaa;--opt-disabled: #ccc;--hover-pill: #dfdfe5}*{box-sizing:border-box}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}[role=button]{cursor:pointer}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,PingFang HK,Microsoft JhengHei,system-ui,sans-serif;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}#app{max-width:720px;margin:0 auto;padding:12px}header{padding:8px 4px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:8px}.langbtn{border:0;background:var(--pill);border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:500;cursor:pointer;color:var(--ink);white-space:nowrap}header h1{font-size:1.3rem;font-weight:600;margin:0;letter-spacing:-.02em}header .ver{color:var(--muted);font-size:.72rem;margin:2px 0}header .alpha{background:var(--panel);color:var(--hint);border:0;box-shadow:var(--shadow);padding:9px 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.elec-subj{flex:1}button#calc{width:100%;margin-top:14px;padding:13px;border:0;border-radius:14px;background:var(--cta);color:#fff;font-size:1rem;font-weight:500;cursor:pointer}button#calc:hover{background:var(--cta-press)}.banner{background:var(--surface-warning);color:var(--edge);border:0;border-radius:var(--radius-sm);padding:9px 11px;font-size:.76rem;line-height:1.5;margin-bottom:10px}.deg-search{width:100%;box-sizing:border-box;margin:10px 0 12px;padding:11px 13px;border:0;border-radius:var(--radius-sm);font:inherit;background:var(--field);color:var(--ink)}.deg-search:focus{outline:2px solid var(--accent);outline-offset:1px}.overview .chips{display:flex;flex-wrap:wrap;gap:6px}.chip{border:0;background:var(--field);border-radius:999px;padding:6px 13px;font-size:.8rem;font-weight:500;cursor:pointer;color:var(--ink)}.chip.active{box-shadow:0 0 0 2px var(--ink) inset}.chip.inst.active,.chip.all.active{box-shadow:0 0 0 2px var(--accent) 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