.workspace{display:flex;flex-direction:column;justify-content:flex-end;padding:12px 20px;min-height:0;overflow:hidden}.workspace .expr{font-size:16px;color:#8e8e93;text-align:right;min-height:20px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;word-break:break-all}.workspace .result{font-size:48px;font-weight:300;text-align:right;line-height:1.3;white-space:nowrap;transition:font-size .1s}@media(orientation:portrait){.workspace{flex:1 1 auto;min-height:72px}}@media(orientation:landscape){.workspace{flex:1;min-width:0;padding:10px 16px}.workspace .result{font-size:36px}.workspace .expr{font-size:14px;min-height:16px}}.numpad{padding:4px 8px 6px}.numpad-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.numpad .n-btn{border:none;border-radius:8px;font-size:22px;font-weight:400;cursor:pointer;display:flex;align-items:center;justify-content:center;touch-action:manipulation;transition:opacity .08s;padding:10px 0;min-height:44px}.numpad .n-btn:active{opacity:.6}.numpad .n-num{background:#333;color:#fff}.numpad .n-op{background:#ff9f0a;color:#fff}.numpad .n-func{background:#a5a5a5;color:#000}.numpad .n-eq{background:#ff9f0a;color:#fff}@media(min-width:600px){.numpad{padding:8px 16px 12px}.numpad-grid{gap:10px}.numpad .n-btn{font-size:26px;border-radius:10px;padding:14px 0;min-height:52px}}@media(min-width:900px){.numpad{padding:10px 20px 16px}.numpad-grid{gap:14px}.numpad .n-btn{font-size:30px;border-radius:12px;padding:18px 0;min-height:60px}}@media(min-width:1200px){.numpad{padding:12px 24px 20px}.numpad-grid{gap:18px}.numpad .n-btn{font-size:34px;border-radius:14px;padding:22px 0;min-height:68px}}@media(orientation:portrait){.numpad{flex:0 1 auto;min-height:0;display:flex;flex-direction:column}.numpad-grid{flex:1;min-height:0;grid-template-rows:repeat(5,1fr)}.numpad .n-btn{min-height:0;overflow:hidden}}@media(orientation:landscape){.numpad{width:240px;display:flex;flex-direction:column;padding:6px;min-height:0}.numpad-grid{flex:1;min-height:0;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(5,1fr);gap:4px}.numpad .n-btn{min-height:0;padding:6px 0;font-size:18px;overflow:hidden}}@media(orientation:landscape)and (min-width:900px){.numpad{width:300px}.numpad-grid{gap:8px}.numpad .n-btn{font-size:22px;padding:8px 0;border-radius:10px}}@media(orientation:landscape)and (min-width:1200px){.numpad{width:360px}.numpad-grid{gap:10px}.numpad .n-btn{font-size:26px;padding:10px 0;border-radius:12px}}.qwerty{display:flex;flex-direction:column;padding:4px 8px 12px;flex-shrink:0;overflow:hidden}.qwerty-row{display:flex;gap:5px;min-height:0}.qwerty .q-btn{border:none;border-radius:5px;font-size:16px;font-weight:400;cursor:pointer;display:flex;align-items:center;justify-content:center;touch-action:manipulation;transition:opacity .08s;flex:1;min-width:0;min-height:0;padding:8px 0;overflow:hidden}.qwerty .q-btn:active{opacity:.6}.qwerty .q-lt{background:#505055;color:#fff;font-size:15px;font-weight:500}.qwerty .q-fn{background:#636366;color:#fff;font-size:13px}.qwerty .q-op{background:#8e8e93;color:#fff;font-size:16px}.qwerty .q-space{flex:4;background:#3a3a3d;color:#fff;font-size:14px}.q-btn{position:relative}.q-sec{position:absolute;top:2px;right:4px;font-size:9px;color:#ff69b4;line-height:1;pointer-events:none}@media(min-width:600px){.qwerty{padding:8px 16px 16px}.qwerty-row{gap:8px;margin-bottom:8px}.qwerty-row:last-child{margin-bottom:0}.qwerty .q-btn{font-size:19px;border-radius:7px;padding:12px 0}.qwerty .q-lt{font-size:18px}.qwerty .q-fn{font-size:15px}.qwerty .q-space{font-size:16px}.q-sec{font-size:11px}}@media(min-width:900px){.qwerty{padding:10px 24px 20px}.qwerty-row{gap:10px;margin-bottom:10px}.qwerty .q-btn{font-size:22px;border-radius:8px;padding:14px 0}.qwerty .q-lt{font-size:20px}.qwerty .q-fn{font-size:17px}.qwerty .q-space{font-size:18px}.q-sec{font-size:12px}}@media(min-width:1200px){.qwerty{padding:12px 32px 24px}.qwerty-row{gap:12px;margin-bottom:12px}.qwerty .q-btn{font-size:26px;border-radius:10px;padding:16px 0}.qwerty .q-lt{font-size:24px}.qwerty .q-fn{font-size:20px}.qwerty .q-space{font-size:22px}.q-sec{font-size:14px}}@media(orientation:portrait){.qwerty{height:clamp(150px,30vh,210px)}.qwerty-row{flex:1;margin-bottom:5px}.qwerty-row:last-child{margin-bottom:0}.qwerty .q-btn{padding:4px 0}}@media(orientation:landscape){.qwerty{height:clamp(120px,40vh,150px);padding:4px 8px 8px}.qwerty-row{flex:1;margin-bottom:4px}.qwerty .q-btn{padding:3px 0;font-size:13px}.qwerty .q-lt{font-size:13px}.qwerty .q-fn{font-size:11px}}@media(orientation:landscape)and (min-width:900px){.qwerty{height:clamp(140px,42vh,200px);padding:6px 16px 10px}.qwerty-row{gap:8px;margin-bottom:6px}.qwerty .q-btn{font-size:16px;padding:5px 0}.qwerty .q-lt{font-size:15px}.qwerty .q-fn{font-size:13px}}@media(orientation:landscape)and (min-width:1200px){.qwerty{height:clamp(160px,44vh,240px);padding:8px 24px 12px}.qwerty-row{gap:10px;margin-bottom:8px}.qwerty .q-btn{font-size:18px;padding:6px 0;border-radius:7px}.qwerty .q-lt{font-size:17px}.qwerty .q-fn{font-size:15px}}.history-panel{flex:1;overflow-y:auto;padding:48px 16px 16px;-webkit-overflow-scrolling:touch}.history-header,.history-back{display:none}.history-list{max-width:600px;margin:0 auto}.history-empty{text-align:center;color:#636366;font-size:16px;padding:40px 0}.history-entry{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid #2c2c2e}.history-time{color:#636366;font-size:12px;white-space:nowrap;padding-top:2px;min-width:44px}.history-body{flex:1;min-width:0}.history-expr{font-size:14px;color:#8e8e93;word-break:break-all}.history-result{font-size:22px;font-weight:300;color:#fff;word-break:break-all}@media(orientation:landscape){.history-panel{padding:8px 16px 16px}.history-header{display:block;height:0;overflow:visible;padding:0}.history-back{display:flex;position:fixed;top:8px;left:8px;z-index:10}}.graph-panel{flex:1;min-height:0;min-width:0;display:flex;padding:48px 16px 16px}.graph-canvas{width:100%;height:100%;display:block}@media(orientation:landscape){.graph-panel{flex:1;min-width:0;padding:0}}@media(orientation:portrait){.graph-panel{min-height:96px}}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}html,body{height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#1c1c1e;color:#fff}#root{height:100%}#app{display:flex;height:100%;width:100%;flex-direction:column;position:relative;overflow:hidden}.top-bar{position:absolute;top:0;left:0;right:0;display:flex;gap:6px;z-index:10;padding:8px;pointer-events:none}.top-bar-solid{background:#1c1c1e;pointer-events:auto}.top-bar-scrolled{border-bottom:1px solid #2c2c2e}.icon-btn{background:none;border:none;cursor:pointer;padding:6px;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:opacity .08s;touch-action:manipulation;pointer-events:auto}.icon-btn:active{opacity:.6}.main-row{display:flex;min-width:0;min-height:0}@media(orientation:portrait){#app{flex-direction:column}.main-row{flex:1;flex-direction:column;overflow:hidden}}@media(orientation:landscape){#app{flex-direction:column}.main-row{flex:1;flex-direction:row;overflow:hidden}.top-bar-solid{display:none}}