/* Isolated guide styles. Existing desktop calculator styles are unchanged. */
.spl-guide-launch{margin:8px 0 0;padding:8px 13px;background:#102016;color:var(--green);border:1px solid var(--green);border-radius:3px;font:700 11px Consolas,"Courier New",monospace;cursor:pointer;letter-spacing:1px}
.spl-guide-launch:hover,.spl-guide-launch:focus-visible{background:var(--green);color:#07100a}
.spl-guide-dialog{border:1px solid var(--green);border-radius:6px;background:#0d1910;color:var(--green);width:min(690px,calc(100vw - 24px));max-height:min(88dvh,900px);padding:0;box-shadow:0 0 60px #000b;font-family:Consolas,"Courier New",monospace}
.spl-guide-dialog::backdrop{background:#000c;backdrop-filter:blur(3px)}
.spl-guide-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--green-dark);background:#14271a}
.spl-guide-head strong{font-size:16px;letter-spacing:1px}.spl-guide-close{background:#08120b;border:1px solid var(--green-dark);color:var(--green);font:inherit;font-size:21px;min-width:40px;min-height:40px;cursor:pointer}
.spl-guide-body{padding:18px;overflow:auto;max-height:calc(88dvh - 132px)}.spl-guide-counter{font-size:11px;color:var(--muted);letter-spacing:1px}.spl-guide-body h2{font-size:19px;letter-spacing:.5px;margin:12px 0}.spl-guide-body p{font-size:13px;line-height:1.65;color:var(--green-bright);margin:10px 0}.spl-guide-body img{display:block;max-width:100%;height:auto;max-height:260px;object-fit:contain;margin:12px auto;border-radius:5px;image-rendering:auto}.spl-guide-images{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;padding:8px;background:#08120b;border:1px solid var(--green-dark);border-radius:5px}.spl-guide-images img{margin:4px;max-width:min(100%,320px)}.spl-guide-note{border-left:3px solid var(--green);background:#14271a;padding:10px 12px;margin-top:12px;font-size:12px;line-height:1.6}.spl-guide-example{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}.spl-guide-example div{padding:10px;background:#08120b;border:1px solid var(--green-dark);min-width:0}.spl-guide-example small{display:block;color:var(--muted);font-size:10px;margin-bottom:7px}.spl-guide-example strong{overflow-wrap:anywhere}.spl-guide-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 18px;border-top:1px solid var(--green-dark)}.spl-guide-foot button{min-height:42px;padding:9px 14px;font:700 12px Consolas,"Courier New",monospace;cursor:pointer;background:#102016;color:var(--green);border:1px solid var(--green-dark)}.spl-guide-foot button:last-child{background:var(--green);color:#07100a;border-color:var(--green)}.spl-guide-foot button:disabled{opacity:.35;cursor:default}.spl-guide-progress{font-size:11px;color:var(--muted)}@media(max-width:460px){.spl-guide-head{padding:12px}.spl-guide-body{padding:12px}.spl-guide-foot{padding:10px}.spl-guide-example{grid-template-columns:1fr}.spl-guide-body h2{font-size:17px}}

/* Calculator control previews for SP tutorial */
.spl-guide-visual{margin:14px 0;padding:13px;background:#08120b;border:1px solid var(--green-dark);border-radius:4px}
.spl-guide-ui-label{font-size:11px;letter-spacing:1px;color:var(--muted);border-bottom:1px solid var(--green-dark);padding:5px 0 9px;margin-bottom:10px}
.spl-guide-ui-field{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:9px 11px;border:1px solid var(--green-dark);margin:7px 0;font-size:11px}
.spl-guide-ui-field span{color:var(--muted)}.spl-guide-ui-field strong{text-align:right;overflow-wrap:anywhere}
.spl-guide-ui-actions{display:grid;gap:8px;margin-top:12px}.spl-guide-ui-actions>div{padding:11px;border:1px solid var(--green-dark);background:#102016;font-size:11px;text-align:center;font-weight:bold}
.spl-guide-ui-actions .spl-guide-ui-focus{border:2px solid var(--green);box-shadow:0 0 12px #43e86a44;color:var(--green-bright)}.spl-guide-ui-focus span{display:block;color:#b0ffb9;margin-top:6px}
.spl-guide-ui-boosts{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 16px}.spl-guide-ui-boosts span{padding:8px;border:1px solid var(--green-dark);font-size:11px}
\n/* Consistent highlighted calculator previews on every instructional step */
.spl-guide-two{grid-template-columns:repeat(2,minmax(0,1fr))}.spl-guide-ui-field.spl-guide-ui-focus{border:2px solid var(--green);box-shadow:0 0 12px #43e86a44;background:#14271a}.spl-guide-ui-focus{font-weight:bold}.spl-guide-visual:not([hidden]){display:block}.spl-guide-images[hidden],.spl-guide-visual[hidden],.spl-guide-example[hidden]{display:none!important}@media(max-width:420px){.spl-guide-two{grid-template-columns:1fr}.spl-guide-ui-field{flex-wrap:wrap}}