html body{background-color:#fbf8f4;background-image:radial-gradient(circle at 8% 6%,#ffd9e4 0,#0000 42%),radial-gradient(circle at 94% 10%,#fff0b8 0,#0000 40%),radial-gradient(circle at 50% 104%,#c8f3e3 0,#0000 52%),none;background-position:0 0,0 0,0 0,0 0;background-repeat:repeat,repeat,repeat,repeat;background-size:auto,auto,auto,auto;background-attachment:fixed;background-origin:padding-box,padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box,border-box}html[data-pc-theme=sunset] body{background-color:#fff5ee;background-image:radial-gradient(circle at 8% 6%,#ffc9a8 0,#0000 44%),radial-gradient(circle at 94% 10%,#ffb3d1 0,#0000 42%),radial-gradient(circle at 50% 104%,#d7c2ff 0,#0000 52%),none;background-position:0 0,0 0,0 0,0 0;background-repeat:repeat,repeat,repeat,repeat;background-size:auto,auto,auto,auto;background-attachment:fixed;background-origin:padding-box,padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box,border-box}html[data-pc-theme=ocean] body{background-color:#f1fafd;background-image:radial-gradient(circle at 8% 6%,#b9e9ff 0,#0000 44%),radial-gradient(circle at 94% 10%,#b8f2e6 0,#0000 42%),radial-gradient(circle at 50% 104%,#c9d6ff 0,#0000 52%),none;background-position:0 0,0 0,0 0,0 0;background-repeat:repeat,repeat,repeat,repeat;background-size:auto,auto,auto,auto;background-attachment:fixed;background-origin:padding-box,padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box,border-box}html[data-pc-theme=night] body{background-color:#f4f5fa;background-image:radial-gradient(circle at 8% 6%,#dad8f5 0,#0000 44%),radial-gradient(circle at 94% 10%,#d3e3f7 0,#0000 42%),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:auto,auto,auto;background-attachment:fixed;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box}html .page-header{background:0 0;border-bottom:none}html .page-header:before{display:none}html .page-sub{color:var(--mid);font-size:17px}.pc-app{--pc-body:#fff;--pc-display-bg:#f6f2ec;--pc-display-text:#1f2433;--pc-sub:#6a7283;--pc-key:#fff;--pc-key-edge:#e4ded5;--pc-key-text:#1f2433;--pc-fn:#f0eae0;--pc-fn-edge:#ddd4c6;--pc-fn-text:#5a4f40;--pc-op-a:#ff9e7a;--pc-op-b:#ff7aa2;--pc-op-edge:#e2587f;--pc-eq-a:#3756f9;--pc-eq-b:#7b5cfa;--pc-eq-edge:#2b3fc0;--pc-paper:#fffef7;--pc-paper-text:#2a2f3d;grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);align-items:stretch;gap:22px;margin-bottom:20px;display:grid}html[data-pc-theme=sunset] .pc-app{--pc-display-bg:#fff1e8;--pc-key-edge:#f3d3c0;--pc-fn:#ffe3d3;--pc-fn-edge:#f2c3a7;--pc-op-a:#ff8a5b;--pc-op-b:#e94f8a;--pc-op-edge:#c23a70;--pc-eq-a:#e94f8a;--pc-eq-b:#8e4dff;--pc-eq-edge:#6a2fd0}html[data-pc-theme=ocean] .pc-app{--pc-display-bg:#eaf7fb;--pc-key-edge:#cbe4ee;--pc-fn:#ddf0f6;--pc-fn-edge:#bcd8e3;--pc-fn-text:#35566a;--pc-op-a:#2ec4b6;--pc-op-b:#2d9cdb;--pc-op-edge:#1d7fb8;--pc-eq-a:#2d9cdb;--pc-eq-b:#5b6cff;--pc-eq-edge:#3a47c4}html[data-pc-theme=night] .pc-app{--pc-body:#1b1e33;--pc-display-bg:#12142a;--pc-display-text:#f3f4fb;--pc-sub:#9aa3c2;--pc-key:#2a2e4a;--pc-key-edge:#14162b;--pc-key-text:#eceefa;--pc-fn:#3a3f63;--pc-fn-edge:#14162b;--pc-fn-text:#c9ceee;--pc-op-a:#ffb36b;--pc-op-b:#ff6f91;--pc-op-edge:#c24468;--pc-eq-a:#5b8cff;--pc-eq-b:#9a6bff;--pc-eq-edge:#3a4fc4}.pc-tape{background:var(--pc-paper);color:var(--pc-paper-text);border-radius:18px;flex-direction:column;min-height:520px;padding:18px 18px 14px;display:flex;box-shadow:inset 0 1px #ffffffe6,0 10px 30px #1f24331a}.pc-tape-head{border-bottom:2px dashed #cfc8b8;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px;padding-bottom:10px;display:flex}.pc-tape-title{letter-spacing:.1em;text-transform:uppercase;color:#5c5648;font-size:13px;font-weight:700}.pc-tape-actions{flex-wrap:wrap;gap:6px;display:flex}.pc-mini{color:#4b4638;font-family:var(--font);cursor:pointer;background:#fff;border:1.5px solid #cfc8b8;border-radius:9px;padding:6px 10px;font-size:12.5px;font-weight:600}.pc-mini:hover{border-color:var(--blue);color:var(--blue)}.pc-lines{font-family:var(--mono);flex:1;max-height:460px;overflow-y:auto}.pc-line{cursor:pointer;border-bottom:1px dotted #d8d2c3;padding:10px 2px}.pc-line:hover{background:#3756f90d}.pc-expr{color:#6a6455;overflow-wrap:anywhere;font-size:14px}.pc-res{text-align:right;overflow-wrap:anywhere;font-size:20px;font-weight:600}.pc-empty{font-family:var(--font);color:#6a6455;padding:14px 2px;font-size:15px;line-height:1.6}.pc-device{background:var(--pc-body);border-radius:30px;padding:18px;box-shadow:inset 0 1px #ffffffb3,0 18px 50px #1f243329}.pc-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;display:flex}.pc-themes{align-items:center;gap:8px;display:flex}.pc-theme{cursor:pointer;border:3px solid #fff;border-radius:50%;width:26px;height:26px;padding:0;box-shadow:0 0 0 1.5px #a7afbf}.pc-theme[aria-pressed=true]{box-shadow:0 0 0 3px var(--blue)}.pc-theme[data-t=pebble]{background:linear-gradient(135deg,#ffd9e4,#c8f3e3)}.pc-theme[data-t=sunset]{background:linear-gradient(135deg,#ff8a5b,#e94f8a)}.pc-theme[data-t=ocean]{background:linear-gradient(135deg,#2ec4b6,#2d9cdb)}.pc-theme[data-t=night]{background:linear-gradient(135deg,#1b1e33,#5b8cff)}.pc-tools{gap:6px;display:flex}.pc-device .pc-mini{background:var(--pc-display-bg);color:var(--pc-display-text);border-color:#0000}.pc-device .pc-mini:hover{color:var(--blue)}.pc-display{background:var(--pc-display-bg);text-align:right;border-radius:20px;flex-direction:column;justify-content:flex-end;min-height:128px;margin-bottom:16px;padding:14px 18px;display:flex;overflow:hidden;box-shadow:inset 0 2px 8px #00000014}.pc-sub{font-family:var(--mono);color:var(--pc-sub);overflow-wrap:anywhere;min-height:22px;font-size:15px}.pc-main{font-family:var(--mono);color:var(--pc-display-text);overflow-wrap:anywhere;font-size:3.1rem;font-weight:600;line-height:1.15}.pc-msg{font-family:var(--font);color:var(--pc-op-edge);min-height:20px;font-size:15px;font-weight:600}.pc-keys{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.pc-key{background:var(--pc-key);min-height:66px;color:var(--pc-key-text);font-family:var(--font);cursor:pointer;box-shadow:0 6px 0 var(--pc-key-edge), 0 12px 18px #00000014;transition:transform 60ms var(--ease), box-shadow 60ms var(--ease), filter .15s;-webkit-tap-highlight-color:transparent;touch-action:manipulation;border:none;border-radius:22px;font-size:1.55rem;font-weight:600}.pc-key:hover{filter:brightness(1.03)}.pc-key:active,.pc-key.press{box-shadow:0 1px 0 var(--pc-key-edge), 0 4px 8px #0000001a;transform:translateY(5px)}.pc-key.fn{background:var(--pc-fn);color:var(--pc-fn-text);box-shadow:0 6px 0 var(--pc-fn-edge), 0 12px 18px #00000014}.pc-key.fn:active,.pc-key.fn.press{box-shadow:0 1px 0 var(--pc-fn-edge), 0 4px 8px #0000001a}.pc-key.op{background:linear-gradient(135deg, var(--pc-op-a), var(--pc-op-b));color:#fff;box-shadow:0 6px 0 var(--pc-op-edge), 0 12px 18px #0000001a}.pc-key.op:active,.pc-key.op.press{box-shadow:0 1px 0 var(--pc-op-edge), 0 4px 8px #0000001a}.pc-key.eq{background:linear-gradient(135deg, var(--pc-eq-a), var(--pc-eq-b));color:#fff;box-shadow:0 6px 0 var(--pc-eq-edge), 0 12px 18px #0000001f}.pc-key.eq:active,.pc-key.eq.press{box-shadow:0 1px 0 var(--pc-eq-edge), 0 4px 8px #0000001a}.pc-note{color:var(--mid);margin:0 0 20px;font-size:14.5px;line-height:1.6}.pc-status{color:var(--green);min-height:1.4em;font-size:13.5px;font-weight:600}html:root{--muted:#566073}html .panel-title{color:var(--mid);font-size:13px}@media (width<=820px){.pc-app{grid-template-columns:minmax(0,1fr)}.pc-device{order:1}.pc-tape{order:2;min-height:0}.pc-lines{max-height:260px}.pc-key{min-height:62px;font-size:1.45rem}.pc-main{font-size:2.6rem}}@media (prefers-reduced-motion:reduce){.pc-key{transition:none}}