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#1f301f3d}.sp-calc-screen.is-off{background:#9da891}.sp-calc-status{letter-spacing:.05em;justify-content:space-between;min-height:18px;font-size:10px;font-weight:700;display:flex}.sp-calc-expression{white-space:nowrap;scrollbar-width:thin;min-height:39px;font-size:16px;overflow:auto hidden}.sp-calc-result{text-align:right;text-overflow:ellipsis;white-space:nowrap;font-size:26px;font-weight:700;line-height:1.2;overflow:hidden}.sp-calc-result.is-error{color:#7b201c;letter-spacing:.03em;font-size:19px}.sp-calc-cursor{color:#08793e;animation:1s step-end infinite sp-calc-blink}@keyframes sp-calc-blink{50%{opacity:0}}.sp-calc-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;display:grid}.sp-calc-key,.sp-calc-nav button{color:#161918;min-width:0;min-height:43px;font-family:var(--font-mono);cursor:pointer;background:linear-gradient(#e7e5df,#b8b8b2);border:1px solid #0f1311;border-radius:9px;font-weight:700;transition:transform 80ms,filter .12s;position:relative;box-shadow:inset 0 1px #ffffffe6,0 3px #111513}.sp-calc-key{padding:11px 2px 4px;font-size:13px}.sp-calc-key:hover,.sp-calc-nav button:hover{filter:brightness(1.05)}.sp-calc-key:active,.sp-calc-nav button:active{transform:translateY(2px);box-shadow:inset 0 1px #fffc,0 1px #111513}.sp-calc-key:focus-visible,.sp-calc-nav button:focus-visible,.sp-calc-mode-screen button:focus-visible{outline-offset:2px;outline:3px solid #e5ff60}.sp-calc-key.is-number{color:var(--calc-ink-on-dark);background:linear-gradient(#302d31,#171519);font-size:17px}.sp-calc-key.is-operator{background:linear-gradient(#d8d6cf,#aaa8a0);font-size:17px}.sp-calc-key.is-control{background:linear-gradient(#dedfdc,#b7bab6)}.sp-calc-key.is-number 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button{color:inherit;font:inherit;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:2px;padding:2px 4px;font-weight:800}.sp-calc-mode-screen button.is-selected{color:#e3e9dd;background:#15251b;border-color:currentColor}.sp-calculator.is-calculator{box-shadow:0 22px 55px #04120b38, inset 0 1px var(--surface);background:linear-gradient(105deg,#e8e9e5 0 12%,#315f60 13% 87%,#e7e8e4 88%);border-color:#a8b1ad;border-radius:34px 34px 22px 22px;padding:24px 32px 20px}.sp-calculator.is-calculator .sp-calc-title{text-align:center;padding:0 16px 14px;display:block}.sp-calculator.is-calculator .sp-calc-title span{font-size:22px;display:block}.sp-calculator.is-calculator .sp-calc-title small{text-align:center;max-width:none;margin-top:3px;display:block}.sp-calculator.is-calculator .sp-calc-screen{background:#e3e9dd;border-color:#264849}.sp-calculator.is-calculator .sp-calc-note{color:#eef4f0;padding-inline:13%}.sp-calc-history{color:#d7e0db;border-top:1px solid #ffffff24;margin-top:14px;padding-top:10px;font-size:11px}.sp-calc-history summary{cursor:pointer;font-weight:700}.sp-calc-history button{color:#eef4f0;text-align:left;width:100%;font-family:var(--font-mono);background:#0000002e;border:1px solid #ffffff1f;border-radius:7px;margin-top:6px;padding:7px 8px;font-size:10px;display:block}.sp-calc-history p{color:#aebbb4;margin:7px 0 0}.sp-calc-note{text-align:center;color:var(--calc-note-on-dark);margin:10px 0 0;font-size:9px;line-height:1.4}.sp-calc-safe-label{width:max-content;color:var(--calc-ink-on-dark);letter-spacing:.12em;text-transform:uppercase;background:#ffffff1a;border:1px solid #ffffff80;border-radius:999px;margin:0 auto 4px;padding:3px 12px;font-size:10px;font-weight:900}.sp-exam-calculator-panel{width:min(100%,470px);margin-inline:auto}.sp-calc-trademark{text-align:center;color:var(--color-fg);margin:10px 0 0;font-size:12px;line-height:1.4}.sp-calc-mode-label{color:var(--color-fg);justify-content:space-between;align-items:center;gap:16px;margin:0 0 10px;font-size:14px;font-weight:800;display:flex}.sp-calc-mode-label select{background:var(--color-bg-elevated);min-width:190px;color:var(--color-fg);border:1px solid #8f9994;border-color:var(--color-border);font:inherit;cursor:pointer;border-radius:7px;padding:9px 38px 9px 12px}.sp-calc-mode-label select:focus-visible{outline-offset:2px;outline:3px solid #36a566}.sp-standard-calculator{color:var(--calc-ink-on-dark);background:linear-gradient(155deg,#167a9b,#075673);border:1px solid #183b49;border-radius:18px;padding:18px;box-shadow:0 22px 48px #01202d3b,inset 0 1px #ffffff4d}.sp-standard-brand{justify-content:space-between;align-items:end;gap:12px;margin-bottom:12px;display:flex}.sp-standard-brand span{letter-spacing:.025em;font-size:12px;font-weight:700;display:grid}.sp-standard-brand span b{letter-spacing:.08em;font-size:16px}.sp-standard-brand span small{text-transform:uppercase;font-size:9px;font-weight:700}.sp-standard-brand strong{font-family:var(--font-mono);letter-spacing:.06em;font-size:19px}.sp-standard-screen{color:#101d18;min-height:92px;font-family:var(--font-mono);background:#edf3ea;border:5px solid #18313a;border-radius:8px;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:18px;padding:14px;display:flex;box-shadow:inset 0 2px 8px #1f301f33}.sp-standard-screen small{color:#315a49;min-width:14px;font-size:11px;font-weight:800}.sp-standard-screen span{text-overflow:ellipsis;white-space:nowrap;align-self:center;max-width:100%;font-size:32px;font-weight:700;overflow:hidden}.sp-standard-screen.is-error span{color:#942c25;font-size:23px}.sp-standard-grid{grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-flow:row;gap:10px;display:grid}.sp-standard-grid button{color:#13201b;min-width:0;min-height:48px;font-family:var(--font-mono);box-shadow:inset 0 1px var(--surface), 0 3px #031b25ad;cursor:pointer;background:linear-gradient(#f9faf8,#d8ddda);border:1px solid #11262e;border-radius:8px;font-size:18px;font-weight:800;transition:transform 80ms,filter .12s}.sp-standard-grid button:hover{filter:brightness(1.04)}.sp-standard-grid button:active{box-shadow:inset 0 1px var(--surface), 0 1px #031b25ad;transform:translateY(2px)}.sp-standard-grid button:focus-visible{outline-offset:2px;outline:3px solid #e5ff60}.sp-standard-grid button.is-operator,.sp-standard-grid button.is-memory{color:var(--calc-ink-on-dark);background:linear-gradient(#e34238,#b92120)}.sp-standard-grid button.is-tall{grid-row:span 2}.sp-standard-calculator .sp-calc-note{color:var(--calc-ink-on-dark)}.sp-calc-overlay{z-index:1100;visibility:hidden;opacity:0;pointer-events:none;justify-content:flex-end;transition:opacity .18s,visibility .18s;display:flex;position:fixed;inset:0}.sp-calc-overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.sp-calc-backdrop{cursor:default;background:#050c098f;border:0;width:100%;position:absolute;inset:0}.sp-calc-drawer{z-index:1;background:var(--color-bg-elevated);border-left:1px solid #0000002e;width:min(560px,100%);height:100dvh;transition:transform .2s;position:relative;overflow:hidden;transform:translate(100%);box-shadow:-18px 0 48px #04120b38}.sp-calc-overlay.is-open .sp-calc-drawer{transform:translate(0)}.sp-calc-drawer-head{background:var(--surface);border-bottom:1px solid #d9dfdc;justify-content:space-between;align-items:center;gap:12px;min-height:64px;padding:10px 16px;display:flex}.sp-calc-drawer-head>div{gap:2px;display:grid}.sp-calc-drawer-head small{color:var(--color-fg-muted);font-size:11px}.sp-calc-drawer-body{overscroll-behavior:contain;height:calc(100dvh - 64px);padding:16px;overflow-y:auto}@media (width<=600px){.sp-calc-overlay{justify-content:stretch;align-items:flex-end}.sp-calc-drawer{border-top:1px solid #0000002e;border-left:0;border-radius:18px 18px 0 0;width:100%;height:min(94dvh,820px);transform:translateY(100%)}.sp-calc-overlay.is-open .sp-calc-drawer{transform:translateY(0)}.sp-calc-drawer-body{height:calc(min(94dvh,820px) - 64px);padding:10px max(8px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left))}}@media (width<=480px){.sp-calculator{border-radius:14px;padding:10px}.sp-calculator.is-calculator{padding:14px 12px 12px}.sp-calc-screen{min-height:108px;padding:9px 11px}.sp-calc-grid{gap:5px}.sp-calc-key{min-height:41px;padding-top:10px;font-size:11px}.sp-calc-key.is-number{font-size:16px}.sp-calc-title{align-items:start}.sp-calc-title small{text-align:right;max-width:160px}.sp-calc-mode-label{flex-direction:column;align-items:stretch;gap:6px}.sp-calc-mode-label select{width:100%;min-width:0}.sp-standard-calculator{padding:12px}.sp-standard-grid{gap:7px}.sp-standard-grid button{min-height:45px;font-size:16px}.sp-standard-screen{min-height:82px;margin-bottom:13px}.sp-standard-screen span{font-size:27px}}@media (width<=360px){.sp-calculator{padding:8px}.sp-calc-grid{gap:4px}.sp-calc-key{min-height:38px;font-size:10px}.sp-calc-key.is-number,.sp-calc-key.is-operator{font-size:14px}.sp-calc-alt{font-size:6px}.sp-calc-nav{min-height:84px}.sp-calc-result{font-size:22px}}@media (prefers-reduced-motion:reduce){.sp-calc-cursor{animation:none}.sp-calc-key,.sp-calc-nav button,.sp-calc-overlay,.sp-calc-drawer{transition:none}}.sp-card:has(.sp-calc-overlay.is-open){transform:none}:has(>.sp-calc-overlay.is-open){transform:none}