:root{color:#f4f4f7;background:#08090d;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box;-webkit-user-select:none;user-select:none}body{margin:0;min-width:320px;min-height:100vh;background:#08090d;overflow:hidden}button,select,input{font:inherit}.app-shell{width:min(100%,520px);height:100vh;height:100dvh;margin:0 auto;display:flex;flex-direction:column;overflow:hidden;padding:max(10px,env(safe-area-inset-top)) 12px max(10px,env(safe-area-inset-bottom));background:linear-gradient(180deg,#101116,#08090d 54%,#0e1118)}.convert-panel{flex:0 0 auto;padding:0 4px 4px}.icon-button{width:38px;height:38px;border:0;border-radius:999px;display:grid;place-items:center;color:#eef0f4;background:transparent;cursor:pointer}.icon-button.soft{background:#222739}.converter-list{display:grid;gap:0;padding:0}.converter-row{display:grid;grid-template-columns:minmax(78px,29%) minmax(0,1fr);gap:10px;align-items:center;min-height:clamp(72px,10.2vh,88px);padding:8px 6px;border:1px solid transparent;border-radius:0;color:#eef0f4;text-align:left;background:transparent;cursor:pointer}.converter-row.active{border-color:#2b3140;border-radius:8px;background:#151821b8}.asset-picker{position:relative;display:inline-flex;align-items:center;width:max-content;max-width:100%}.asset-picker select{appearance:none;width:100%;max-width:112px;padding:4px 22px 4px 0;border:0;color:#f5f6fa;background:transparent;font-size:clamp(16px,4.7vw,22px);font-weight:520;letter-spacing:0}.asset-picker svg{position:absolute;right:0;color:#9aa2af;pointer-events:none}.converter-values{display:grid;justify-items:end;min-width:0;gap:3px}.converter-values strong{max-width:100%;overflow:hidden;color:#f4f4f7;font-size:clamp(23px,6.8vw,32px);font-weight:520;line-height:1;text-overflow:ellipsis;white-space:nowrap}.converter-row.active .converter-values strong{color:#f07a3f}.converter-values span{max-width:100%;overflow:hidden;color:#727a88;font-size:10px;text-overflow:ellipsis;white-space:nowrap}.calculator-panel{position:relative;flex:1 1 auto;min-height:0;display:flex;flex-direction:column;margin:0 -2px;padding-top:8px;border-top:1px solid #1f2430;touch-action:none}.calc-display{position:relative;flex:0 0 auto;min-height:104px;padding:4px 8px 2px}.history-toggle{position:absolute;left:2px;top:0;z-index:2;width:34px;height:34px;border:0;border-radius:999px;display:grid;place-items:center;color:#9aa2af;background:transparent;cursor:pointer}.history-toggle:active{color:#f0d2f1;background:#41475a7a}.formula{height:10px;margin:0;overflow:hidden;color:#8f96a4;font-size:15px;text-align:right;text-overflow:ellipsis;white-space:nowrap}.display-result{display:block;width:100%;min-height:58px;border:0;outline:0;overflow:hidden;color:#f0f2f7;background:transparent;font-size:clamp(38px,12.2vw,56px);font-weight:650;line-height:1;text-align:right;text-overflow:ellipsis;white-space:nowrap;-webkit-user-select:text;user-select:text;caret-color:#9aa8d6}.display-result.final{color:#f0d2f1}.preview-result{height:22px;margin:-4px 0 0;overflow:hidden;color:#f0d2f1;font-size:clamp(19px,5.8vw,27px);line-height:1;text-align:right;text-overflow:ellipsis;white-space:nowrap;-webkit-user-select:text;user-select:text}.history-sheet{position:absolute;left:8px;right:8px;bottom:8px;z-index:3;display:grid;gap:8px;max-height:42%;overflow:auto;padding:12px;border:1px solid #343b4c;border-radius:16px;background:#131721fa;box-shadow:0 18px 40px #0000006b}.history-sheet button,.history-sheet span{min-height:34px;border:0;color:#dfe3ec;text-align:right;background:transparent}.keypad{flex:1 1 auto;min-height:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(5,minmax(0,1fr));gap:8px;touch-action:none}.key{width:100%;height:100%;min-height:0;border:0;border-radius:min(24px,5.8vw);color:#f2f4f8;background:#2d3037;font-size:clamp(30px,11vw,50px);line-height:1;cursor:pointer}.key.function{color:#eef1ff;background:#41475a}.key.operator{color:#f3f2ff;background:#4a5268}.key.equals{color:#321c2f;background:#f0c8ec}.toast{position:fixed;left:50%;bottom:max(24px,env(safe-area-inset-bottom));z-index:10;display:inline-flex;align-items:center;gap:8px;width:max-content;max-width:calc(100vw - 32px);padding:13px 18px;border-radius:999px;color:#f7f7fb;background:#2a2d34eb;transform:translate(-50%);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}@media(min-width:760px){.app-shell{width:min(100%,560px);padding:16px 24px}.calculator-panel{margin:0 -2px;border-top:1px solid #1f2430}}