:root{--bg:#16171d;--panel:#1c1e26;--chip-bg:#2b2e38;--chip-text:#d3d5dd;--func-bg-top:#4a4e5b;--func-bg-bottom:#383b45;--func-bg-active:#5b5f6d;--func-text:#eef0f6;--digit-bg-top:#6b7080;--digit-bg-bottom:#4f5361;--digit-bg-active:#7d8294;--light-bg-top:#f4f1e6;--light-bg-bottom:#e2ded0;--light-bg-active:#d8d4c6;--light-text:#1a1a1a;--shift-color:#a9d27c;--shift-pill:#a9d27c;--alpha-color:#6fb3e0;--alpha-pill:#8fc2ea;--danger:#ff6b6b;--text:#eef1f8;--text-dim:#9297a6;--radius-num:14px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg);height:100%;color:var(--text);overscroll-behavior:none;-webkit-user-select:none;user-select:none;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}#app{max-width:460px;height:100dvh;min-height:100dvh;padding:calc(env(safe-area-inset-top) + 8px) 10px calc(env(safe-area-inset-bottom) + 8px);flex-direction:column;gap:4px;margin:0 auto;display:flex;position:relative;overflow:hidden}:root.standalone #app{height:var(--app-h,100dvh);min-height:var(--app-h,100dvh)}.lcd{background:linear-gradient(160deg,#c4cbb2,#a9b192);border-radius:14px;flex:1;min-height:90px;margin:4px 0 6px;padding:6px 16px 4px;overflow:hidden;box-shadow:inset 0 3px 8px #00000047,inset 0 -1px #ffffff26}.lcd-log{flex-direction:column;height:100%;display:flex;overflow-y:auto}.lcd-row{border-bottom:1px solid #14170f2e;flex-shrink:0;padding:7px 0}.lcd-row:last-child{border-bottom:none}.lcd-row-frozen{cursor:pointer}.lcd-row-frozen:active{background:#14170f14}.lcd-row-expr{color:#23271a;letter-spacing:.3px;word-break:break-all;min-height:20px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:17px}.cursor{vertical-align:middle;background:#d4772f;width:2px;height:16px;margin-inline-start:1px;animation:1s step-start infinite blink;display:inline-block}@keyframes blink{50%{opacity:0}}.lcd-row-result{color:#14170f;word-break:break-all;text-align:end;max-width:100%;font-family:SF Mono,Menlo,Consolas,monospace;font-size:18px;font-weight:500;transition:font-size .1s}.lcd-row-result.size-md{font-size:15px}.lcd-row-result.size-sm{font-size:13px}.lcd-row-result.error{color:#7a2020;font-size:13px;font-weight:600}@keyframes shake{10%,90%{transform:translate(-2px)}20%,80%{transform:translate(4px)}30%,50%,70%{transform:translate(-8px)}40%,60%{transform:translate(8px)}}.shake{animation:.4s shake}.nav-row{gap:5px;display:flex}.pill{background:var(--chip-bg);height:32px;color:var(--text);border:1px solid #ffffff1a;border-radius:16px;flex:1;font-size:11px;font-weight:700}.pill:active{filter:brightness(1.2)}.pill.shift{background:var(--shift-pill);color:#142008;border-color:#00000026}.pill.shift[aria-pressed=true]{background:#c3ea99;outline:2px solid #fff}.pill.alpha{background:var(--alpha-pill);color:#0c2233;border-color:#00000026}.pill.alpha[aria-pressed=true]{background:#a9d6f4;outline:2px solid #fff}.func-grid{grid-template-columns:repeat(6,1fr);gap:2px 4px;margin-top:4px;display:grid}.func-cell{flex-direction:column;display:flex}.func-labels{justify-content:space-between;min-height:12px;padding:0 4px;font-size:8.5px;line-height:1.3;display:flex}.func-labels .lbl-shift{color:var(--shift-color)}.func-labels .lbl-alpha{color:var(--alpha-color)}.func-btn{background:linear-gradient(180deg, var(--func-bg-top), var(--func-bg-bottom));height:36px;color:var(--func-text);border:1px solid #ffffff1f;border-radius:999px;font-size:12.5px;font-weight:500;box-shadow:inset 0 1px #ffffff14,0 1px 1px #0000004d}.func-btn:active{background:var(--func-bg-active)}.num-block{margin-top:8px}.num-row{grid-template-columns:repeat(5,1fr);gap:7px;margin-bottom:8px;display:grid}.num-btn{color:#17191f;border:1px solid #00000059;border-radius:999px;height:54px;font-size:22px;font-weight:600;transition:transform 60ms,filter .1s}.num-btn:active{filter:brightness(1.06);transform:scale(.96)}.num-btn.digit{background:linear-gradient(#d6d9df,#bec2cb);box-shadow:inset 0 1px #ffffffb3,0 2px 3px #00000059}.num-btn.digit:active{background:#c9ccd4}.num-btn.light{background:linear-gradient(#f4f1e6,#e2ded0);font-size:24px;box-shadow:inset 0 1px #ffffffd9,0 2px 3px #0000004d}.num-btn.light:active{background:var(--light-bg-active)}.num-btn.fn{background:linear-gradient(#c9ccd4,#b0b4bf);font-size:16px;box-shadow:inset 0 1px #ffffff8c,0 2px 3px #0000004d}.num-btn.fn:active{background:#bcc0c9}.num-btn.del{font-size:27px;font-weight:500}.toast{left:50%;bottom:calc(env(safe-area-inset-bottom) + 24px);color:var(--text);z-index:30;opacity:0;cursor:pointer;background:#2b2e38;border-radius:999px;padding:9px 16px;font-size:13px;transition:opacity .2s;position:fixed;transform:translate(-50%);box-shadow:0 4px 16px #0006}.toast.show{opacity:1}