/* ---- Kalkulaator: nupp päises + ujuv aken ---- */
.calc-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 26px;border-radius:12px;border:2px solid #9FB6E8;background:transparent;color:#FFFFFF;font:700 18px/1 Inter,system-ui,sans-serif;letter-spacing:.6px;cursor:pointer;white-space:nowrap}
.calc-btn:hover{background:rgba(159,182,232,.15)}
.calc-btn[aria-expanded="true"]{background:#9FB6E8;color:#0A1020}
.calc-btn:focus-visible{outline:3px solid #F2A900;outline-offset:2px}
@media (max-width:600px){.calc-btn{min-height:46px;padding:0 18px;font-size:15px}}

.calc{position:fixed;z-index:1000;width:min(340px,calc(100vw - 24px));background:#FFFFFF;border:1px solid #E1E6F2;border-radius:16px;box-shadow:0 18px 40px rgba(10,16,32,.25);font-family:Inter,system-ui,sans-serif;color:#0F172A;opacity:.4;filter:saturate(.6);transition:opacity .18s,filter .18s,box-shadow .18s;overflow:hidden;touch-action:manipulation}
.calc.is-active{opacity:1;filter:none;box-shadow:0 26px 60px rgba(10,16,32,.5)}
.calc[hidden]{display:none}
.calc-bar{display:flex;align-items:center;gap:8px;background:#0A1020;color:#FFFFFF;padding:10px 12px;cursor:move;touch-action:none;font-weight:700;font-size:14px;letter-spacing:.6px}
.calc-bar .calc-title{flex:1}
.calc-bar button{min-height:34px;padding:0 10px;border:1px solid #9FB6E8;border-radius:8px;background:transparent;color:#FFFFFF;font:600 13px Inter,system-ui,sans-serif;cursor:pointer}
.calc-bar button:hover{background:rgba(159,182,232,.2)}
.calc-bar .calc-x{font-size:20px;line-height:1;padding:0 10px}
.calc-screen{background:#F5F7FB;padding:12px 16px 14px;text-align:right;min-height:104px;display:flex;flex-direction:column;justify-content:flex-end;gap:4px}
.calc-expr{font-size:15px;color:#5A6480;min-height:1.4em;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.calc-res{font-family:Manrope,Inter,sans-serif;font-size:34px;font-weight:800;line-height:1.15;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-variant-numeric:tabular-nums}
.calc-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px;padding:10px}
.calc-grid button{min-height:44px;border:1px solid #E1E6F2;background:#FFFFFF;border-radius:10px;font:600 16px Inter,system-ui,sans-serif;color:#0F172A;cursor:pointer;padding:0 2px;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1}
.calc-grid button:hover{border-color:#C9D3EA}
.calc-grid button:active{transform:scale(.97)}
.calc-grid button:focus-visible{outline:3px solid #1A46C8;outline-offset:1px}
.calc-grid .fn{background:#F5F7FB;font-size:14px}
.calc-grid .op{background:#EDF2FF;color:#1A46C8;font-size:18px}
.calc-grid .mem{font-size:13px;color:#3B4663}
.calc-grid .mem small{font-size:10px;font-weight:500;color:#5A6480;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.calc-grid .eq{background:#1A46C8;color:#FFFFFF;border-color:#1A46C8;font-size:24px;grid-column:5 / 7;grid-row:4 / 8}
.calc-grid .eq:hover{background:#0F2C85;border-color:#0F2C85}
.calc-grid .wide{grid-column:span 2}
@media (max-width:600px){.calc-screen{min-height:88px;padding:10px 14px}.calc-res{font-size:28px}.calc-grid{gap:5px;padding:8px}.calc-grid button{min-height:40px;font-size:15px}.calc-grid .eq{font-size:20px}}