.calc-fit.calc-scope{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;width:100%;margin:0 auto;min-height:calc(100vh - 70px);padding:90px 4vw 60px;box-sizing:border-box;}.calc-hero{text-align:center;flex-shrink:0;width:100%;max-width:480px;}.calc-hero h1{font-size:1.5rem !important;font-weight:800 !important;color:var(--brand,#10b981) !important;margin:0 0 4px !important;}#calcScope .calc-hero p{font-size:.85rem !important;color:var(--txt-2,#64748b) !important;margin:0 !important;}#calcScope .calc-card{max-width:420px !important;width:100%;padding:20px !important;background:var(--surface,#fff) !important;border:1px solid var(--border,#e2e8f0) !important;box-shadow:0 24px 60px -16px rgba(15,23,42,.18),0 2px 8px rgba(15,23,42,.04) !important;margin:0 !important;border-radius:26px;position:relative;transition:max-width .25s ease;animation:calcCardIn .4s cubic-bezier(.22,1,.36,1) both;}#calcScope .calc-card.calc-card-sci{max-width:480px !important;}@keyframes calcCardIn{from{opacity:0;transform:translateY(18px) scale(.97);}to{opacity:1;transform:translateY(0) scale(1);}}@media (prefers-reduced-motion:reduce){#calcScope .calc-card{animation:none;}}.calc-topbar{display:flex;align-items:center;gap:8px;margin-bottom:14px;}.calc-mode-toggle{display:flex;flex:1;background:var(--page-bg,#f1f5f9);border-radius:12px;padding:3px;gap:2px;}.calc-mode-btn{flex:1;border:none;background:transparent;padding:7px 0;border-radius:9px;font-size:.78rem;font-weight:700;color:var(--txt-2,#64748b);cursor:pointer;transition:background .15s ease,color .15s ease;}.calc-mode-btn.calc-mode-active{background:var(--surface,#fff);color:var(--brand-dark,#059669);box-shadow:0 2px 6px rgba(15,23,42,.08);}.calc-deg-toggle,.calc-history-btn{border:1px solid var(--border,#e2e8f0);background:var(--page-bg,#f1f5f9);color:var(--txt-2,#64748b);font-size:.72rem;font-weight:700;border-radius:10px;height:32px;padding:0 10px;cursor:pointer;flex-shrink:0;}.calc-history-btn{width:32px;padding:0;}.calc-deg-toggle:hover,.calc-history-btn:hover{background:rgba(16,185,129,.12);color:var(--brand-dark,#059669);}.calc-history-panel{margin-bottom:14px;border:1px solid var(--border,#e2e8f0);border-radius:14px;background:var(--page-bg,#f8fafc);overflow:hidden;animation:calcSlideDown .22s ease both;transform-origin:top;}@keyframes calcSlideDown{from{opacity:0;transform:scaleY(.85) translateY(-6px);}to{opacity:1;transform:scaleY(1) translateY(0);}}.calc-history-item{animation:calcFadeIn .25s ease both;}@keyframes calcFadeIn{from{opacity:0;}to{opacity:1;}}.calc-history-head{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;font-size:.76rem;font-weight:700;color:var(--txt-2,#64748b);border-bottom:1px solid var(--border,#e2e8f0);}.calc-history-clear{border:none;background:none;color:var(--brand-dark,#059669);font-size:.72rem;font-weight:700;cursor:pointer;}.calc-history-clear:hover{text-decoration:underline;}.calc-history-list{list-style:none;margin:0;padding:4px;max-height:180px;overflow-y:auto;}.calc-history-item{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;cursor:pointer;font-size:.8rem;}.calc-history-item:hover{background:var(--surface,#fff);}.calc-history-expr{color:var(--txt-2,#64748b);font-family:'SFMono-Regular',Consolas,monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}.calc-history-result{color:var(--txt,#0f172a);font-weight:700;font-family:'SFMono-Regular',Consolas,monospace;flex-shrink:0;}.calc-display-wrap{position:relative;background:linear-gradient(160deg,#0f172a,#1e293b);border-radius:18px;padding:22px 20px 18px;margin-bottom:16px;text-align:right;box-shadow:inset 0 2px 6px rgba(0,0,0,.35),0 8px 20px -8px rgba(15,23,42,.4);}.calc-memory-indicator{position:absolute;top:10px;left:14px;width:22px;height:22px;border-radius:50%;background:rgba(16,185,129,.25);color:#34d399;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:800;animation:calcMemPop .25s cubic-bezier(.34,1.56,.64,1) both;}@keyframes calcMemPop{from{opacity:0;transform:scale(.4);}to{opacity:1;transform:scale(1);}}.calc-prev{font-size:.82rem;color:rgba(255,255,255,.45);min-height:1.3em;word-break:break-all;font-family:'SFMono-Regular',Consolas,monospace;transition:opacity .15s ease;}.calc-display{font-size:2.4rem;font-weight:600;color:#fff;word-break:break-all;line-height:1.25;font-family:'SFMono-Regular',Consolas,monospace;text-shadow:0 1px 2px rgba(0,0,0,.3);transition:transform .12s ease;}.calc-display.calc-display-pop{animation:calcDisplayPop .18s ease;}@keyframes calcDisplayPop{0%{transform:scale(1.06);}100%{transform:scale(1);}}.calc-display.calc-display-error{animation:calcShake .35s ease;color:#fb7185;}@keyframes calcShake{0%,100%{transform:translateX(0);}25%{transform:translateX(-6px);}50%{transform:translateX(5px);}75%{transform:translateX(-3px);}}@media (prefers-reduced-motion:reduce){.calc-display.calc-display-pop,.calc-display.calc-display-error{animation:none;}.calc-history-panel,.calc-history-item,.calc-memory-indicator{animation:none;}}.calc-row{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:10px;}.calc-mem-row{grid-template-columns:repeat(5,1fr);}.calc-btn-mem{height:38px;border-radius:10px;font-size:.76rem;font-weight:700;background:var(--page-bg,#f1f5f9);color:var(--txt-2,#475569);border:none;cursor:pointer;transition:background .15s ease,transform .12s ease;}.calc-btn-mem:hover{background:rgba(16,185,129,.14);color:var(--brand-dark,#059669);}.calc-btn-mem:active{transform:scale(.95);}.calc-sci-rows{display:none;flex-direction:column;}.calc-card-sci .calc-sci-rows{display:flex;}.calc-row-5{grid-template-columns:repeat(5,1fr);}.calc-btn-sci{height:40px;border-radius:10px;font-size:.82rem;font-weight:600;background:rgba(16,185,129,.08);color:var(--brand-dark,#059669);border:none;cursor:pointer;transition:background .15s ease,transform .12s ease;}.calc-btn-sci:hover{background:rgba(16,185,129,.18);}.calc-btn-sci:active{transform:scale(.95);}.calc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}.calc-btn{border:none;border-radius:16px;padding:0;height:60px;font-size:1.25rem;font-weight:600;cursor:pointer;transition:transform .12s cubic-bezier(.34,1.56,.64,1),box-shadow .15s ease,background .15s ease;background:var(--page-bg,#f1f5f9);color:var(--txt,#0f172a);box-shadow:0 1px 0 rgba(15,23,42,.04),0 2px 6px rgba(15,23,42,.06);}.calc-btn:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(15,23,42,.12);}.calc-btn:active{transform:translateY(0) scale(.95);box-shadow:0 1px 2px rgba(15,23,42,.08);}.calc-btn-num{background:var(--surface,#fff);font-weight:600;}.calc-btn-zero{grid-column:span 1;}.calc-btn-fn{background:var(--page-bg,#e8edf3);color:var(--txt-2,#475569);font-size:1.05rem;}.calc-btn-op{background:rgba(16,185,129,.14);color:var(--brand-dark,#059669);font-size:1.4rem;}.calc-btn-op:hover{background:rgba(16,185,129,.22);}.calc-btn-equals{background:linear-gradient(135deg,var(--brand,#10b981),var(--brand-dark,#059669));color:#fff;box-shadow:0 10px 22px -4px rgba(16,185,129,.5);}.calc-btn-equals:hover{box-shadow:0 14px 28px -4px rgba(16,185,129,.6);}.calc-btn-equals:active{box-shadow:0 6px 14px -4px rgba(16,185,129,.45);}.calc-hint{margin-top:16px;text-align:center;font-size:.76rem;color:var(--txt-2,#94a3b8);}html[data-theme="dark"] #calcScope .calc-card{background:var(--surface,#11111a) !important;}html[data-theme="dark"] .calc-btn{background:rgba(255,255,255,.05);color:#f1f5f9;box-shadow:none;}html[data-theme="dark"] .calc-btn-num{background:rgba(255,255,255,.08);}html[data-theme="dark"] .calc-btn-fn{background:rgba(255,255,255,.04);color:#cbd5e1;}html[data-theme="dark"] .calc-btn:hover{background:rgba(255,255,255,.1);}html[data-theme="dark"] .calc-mode-toggle,html[data-theme="dark"] .calc-btn-mem{background:rgba(255,255,255,.05);}html[data-theme="dark"] .calc-mode-btn.calc-mode-active{background:rgba(255,255,255,.12);}html[data-theme="dark"] .calc-history-panel{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);}html[data-theme="dark"] .calc-history-item:hover{background:rgba(255,255,255,.06);}@media (max-width:420px){.calc-display{font-size:2.1rem;}.calc-btn{height:52px;font-size:1.1rem;}.calc-btn-sci,.calc-btn-mem{height:36px;font-size:.74rem;}}