.yoice-calculator{--yc:#1c4f54;--soft:#e9f0f0;--border:#d6dfdf;width:100%;max-width:440px;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#1e2929;transition:max-width .2s ease}
.yoice-calculator[data-mode="scientific"],.yoice-calculator[data-mode="coder"]{max-width:900px}
.yoice-calculator button{font:inherit;min-height:48px;border:1px solid var(--border);border-radius:8px;background:#fff;color:inherit;cursor:pointer}
.yc-modes{display:flex;gap:6px;margin-bottom:10px}.yc-modes button{min-height:40px;padding:0 14px}.yc-modes button[aria-pressed="true"]{background:var(--yc);color:#fff;border-color:var(--yc)}
.yc-screen{border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:10px;text-align:right;background:#fff}.yc-expression{min-height:20px;color:#687777;font-size:13px}.yc-display{display:block;font-size:34px;font-weight:600;overflow-wrap:anywhere}
.yc-memory{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-bottom:10px}.yc-angle{background:var(--yc)!important;color:#fff!important}
.yc-workspace{display:grid;grid-template-columns:1fr;gap:10px}.yc-main{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}
.yc-extra{display:none;grid-template-columns:repeat(5,1fr);gap:7px}.yoice-calculator[data-mode="scientific"] .yc-scientific-panel{display:grid}.yoice-calculator[data-mode="coder"] .yc-coder-panel{display:block}
.yoice-calculator[data-mode="scientific"] .yc-workspace,.yoice-calculator[data-mode="coder"] .yc-workspace{grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr)}
.yc-operator,.yc-equals{background:var(--yc)!important;color:#fff!important;border-color:var(--yc)!important}.yc-special{background:var(--soft)!important}
.yc-base-readout{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;margin-bottom:8px}.yc-base-readout div{border:1px solid var(--border);border-radius:8px;padding:8px}.yc-base-readout span{display:block;font-size:11px;color:#687777}.yc-base-readout strong{display:block;overflow-wrap:anywhere}
.yc-coder-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
@media(max-width:680px){.yoice-calculator,.yoice-calculator[data-mode="scientific"],.yoice-calculator[data-mode="coder"]{max-width:100%}.yoice-calculator[data-mode="scientific"] .yc-workspace,.yoice-calculator[data-mode="coder"] .yc-workspace{grid-template-columns:1fr}.yc-extra{grid-template-columns:repeat(4,1fr)}.yc-modes{flex-wrap:wrap}.yc-memory{grid-template-columns:repeat(5,1fr)}}

/* Compact shortcode: presentation only; calculation logic is shared unchanged. */
.yoice-calculator.yc-compact{max-width:440px}
.yoice-calculator.yc-compact .yc-modes{display:none}