/* Sandbox-specific treatment of the shared public Studio layout (excel-studio-welcome.css). */
body { --soft:#edf4ee; --soft-line:#dbe6dc; --code-bg:#13221b; --code-ink:#d6eadb; }
body.sandbox-chatgpt { --ink:#11282a; --muted:#5d7373; --green:#0f7a63; --line:#dde8e5; --paper:#fafcfc; --soft:#e6f3ef; --soft-line:#cfe4dd; --code-bg:#0f2321; --code-ink:#cdeae2; }
body.sandbox-claude { --ink:#2a1f19; --muted:#776a62; --green:#b0532c; --line:#ece3dc; --paper:#fdfbf9; --soft:#f8ece4; --soft-line:#ecd8ca; --code-bg:#261a14; --code-ink:#f1ddd0; }
body.sandbox-multiplechat { --soft:#edf4ee; --soft-line:#d6e4d9; }
.status-dot { box-shadow:0 0 0 4px var(--soft); }
.feature-icon { background:var(--soft); }
.button:hover { background:var(--soft); }
.button.primary:hover { background:var(--green); }
.tools-panel { background:var(--soft); border-color:var(--soft-line); }
.limits-grid article { border-color:var(--soft-line); }
.sample-label { background:var(--soft); }
.limits-grid a,.faq a { color:var(--green); font-weight:600; text-underline-offset:3px; }

/* Hero preview */
.run-preview { margin:0; min-width:0; background:white; border:1px solid var(--line); border-radius:17px; overflow:hidden; box-shadow:0 24px 65px -35px color-mix(in srgb,var(--green) 55%,transparent); }
.run-toolbar { padding:18px 20px; display:flex; justify-content:space-between; align-items:center; gap:12px; border-bottom:1px solid var(--line); font-size:12px; font-weight:600; }
.run-toolbar i { color:var(--green); margin-right:8px; }
.route-toggle { display:flex; align-items:center; gap:6px; padding:14px 20px 0; font-size:11px; color:var(--muted); }
.route-toggle span { margin-right:6px; }
.studio-header .button.small { white-space:nowrap; }
.route-toggle button { cursor:pointer; border:1px solid var(--line); background:white; color:var(--ink); border-radius:99px; padding:6px 13px; font-size:11px; font-weight:600; }
.route-toggle button[aria-pressed="true"] { background:var(--ink); border-color:var(--ink); color:white; }
.run-route { display:flex; align-items:center; gap:10px; padding:16px 20px 0; flex-wrap:wrap; }
.route-chip { display:inline-flex; flex-direction:column; gap:2px; border:1px solid var(--line); border-radius:10px; padding:8px 12px; background:#fff; min-width:110px; }
.route-chip small { font-size:9px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); }
.route-chip b { font-size:12px; font-weight:600; transition:opacity .2s; }
.route-chip-accent { background:var(--soft); border-color:var(--soft-line); }
.route-chip-accent b { color:var(--green); }
.route-arrow { color:var(--green); font-weight:600; }
.run-request { margin:16px 20px 0; padding:14px; background:var(--soft); border:1px solid var(--soft-line); border-radius:11px; }
.run-request p { margin:12px 0 0; font-size:12px; line-height:1.75; }
.run-file { display:flex; align-items:center; gap:11px; font-size:12px; font-weight:600; }
.run-file small { display:block; font-size:10px; font-weight:400; color:var(--muted); margin-top:2px; }
.run-file-icon { display:grid; place-items:center; min-width:40px; height:30px; padding:0 6px; border-radius:7px; background:var(--ink); color:white; font-size:9px; font-weight:700; letter-spacing:.06em; }
.run-log { margin:14px 20px 0; border-radius:11px; background:var(--code-bg); color:var(--code-ink); overflow:hidden; }
.run-log-head { display:flex; align-items:center; gap:9px; padding:11px 14px; font-size:11px; font-weight:600; border-bottom:1px solid rgba(255,255,255,.08); }
.pulse { width:7px; height:7px; border-radius:50%; background:#5fd39b; box-shadow:0 0 0 0 rgba(95,211,155,.6); animation:sb-pulse 1.8s infinite; }
.run-log ol { list-style:none; margin:0; padding:11px 14px 13px; }
.run-log li { opacity:0; animation:sb-line .45s ease forwards; animation-delay:calc(.35s + var(--i) * .45s); }
.run-log code { display:block; font:11px/1.9 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; white-space:pre-wrap; word-break:break-word; }
.run-result { padding:16px 20px 18px; }
.run-bars { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; align-items:end; height:118px; padding:0 4px 4px; border-bottom:1px solid var(--line); margin-bottom:14px; }
.run-bars div { height:100%; display:flex; flex-direction:column; justify-content:flex-end; align-items:center; gap:5px; }
.run-bars i { display:block; width:100%; max-width:46px; height:var(--h); background:var(--green); border-radius:5px 5px 2px 2px; opacity:.88; transform-origin:bottom; animation:sb-grow .7s ease both; animation-delay:2.1s; }
.run-bars div:last-child i { opacity:1; }
.run-bars span { font-size:10px; font-weight:600; }
.run-bars small { font-size:9px; color:var(--muted); }
.run-answer { display:flex; gap:9px; align-items:flex-start; margin:0 0 14px; font-size:12px; line-height:1.7; }
.run-answer i { color:var(--green); margin-top:4px; }
.run-output { border:1px solid var(--line); border-radius:10px; padding:10px 12px; }
.run-output .run-file-icon { background:var(--green); }
.run-output > i { margin-left:auto; color:var(--green); }
@keyframes sb-line { from { opacity:0; transform:translateY(4px); } to { opacity:1; transform:none; } }
@keyframes sb-grow { from { transform:scaleY(0); } to { transform:scaleY(1); } }
@keyframes sb-pulse { 70% { box-shadow:0 0 0 7px rgba(95,211,155,0); } 100% { box-shadow:0 0 0 0 rgba(95,211,155,0); } }
[data-route-text].swapping { opacity:0; }

.format-note { margin-top:22px; }
.format-note strong { color:var(--ink); font-weight:600; }

/* ChatGPT + Claude sandbox */
.dual-panel { display:grid; grid-template-columns:1.05fr 1fr; gap:50px; align-items:center; padding:38px; border-radius:16px; background:linear-gradient(135deg,var(--soft),#fff 70%); border:1px solid var(--soft-line); }
.dual-intro { font-size:14px; line-height:1.85; color:var(--muted); margin:0 0 20px; }
.dual-points { list-style:none; padding:0; margin:0; display:grid; gap:11px; }
.dual-points li { display:flex; gap:11px; font-size:13px; line-height:1.7; }
.dual-points i { color:var(--green); margin-top:5px; font-size:11px; }
.flow { list-style:none; padding:0; margin:0; display:grid; gap:0; counter-reset:flow; }
.flow li { display:flex; align-items:center; gap:15px; background:white; border:1px solid var(--line); border-radius:12px; padding:15px 17px; position:relative; }
.flow li + li { margin-top:22px; }
.flow li + li::before { content:"↓"; position:absolute; top:-21px; left:33px; color:var(--green); font-size:13px; line-height:20px; }
.flow li:nth-child(3) { border-color:var(--green); box-shadow:0 0 0 1px var(--green); }
.flow strong { display:block; font-size:14px; }
.flow small { display:block; font-size:12px; color:var(--muted); margin-top:3px; }

/* Compatibility matrix */
.matrix-scroll { position:relative; overflow-x:auto; margin-top:30px; border:1px solid var(--line); border-radius:14px; background:white; }
.matrix { width:100%; border-collapse:collapse; font-size:13px; min-width:620px; }
.matrix th,.matrix td { padding:16px 18px; border-bottom:1px solid var(--line); text-align:center; vertical-align:middle; }
.matrix tbody tr:last-child > * { border-bottom:0; }
.matrix thead th { font-size:13px; font-weight:600; background:#fafbfa; }
.matrix thead a { text-decoration:none; }
.matrix thead a:hover { text-decoration:underline; text-underline-offset:4px; }
.matrix thead small { display:block; font-size:9px; letter-spacing:.1em; text-transform:uppercase; color:var(--green); margin-top:4px; }
.matrix tbody th { text-align:left; font-weight:500; }
.matrix .current { background:var(--soft); }
.matrix thead .current { background:var(--soft); }
.matrix .yes { display:inline-grid; place-items:center; width:26px; height:26px; border-radius:50%; background:var(--green); color:white; font-size:11px; }
.matrix .no { color:#b9c3be; }
.matrix td small { display:block; font-size:10px; color:var(--muted); margin-top:6px; }

.mini-steps { margin:0; padding-left:18px; font-size:13px; line-height:1.9; color:var(--muted); }
.mini-steps strong { color:var(--ink); font-weight:600; }
.tool-categories .action-note { margin-top:8px; }

/* Compare cards */
.sandbox-cards { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px; margin-top:30px; }
.sandbox-card { --c:#23734d; --cs:#edf4ee; display:flex; flex-direction:column; gap:10px; padding:24px; border:1px solid var(--line); border-radius:14px; background:white; text-decoration:none; transition:border-color .15s,transform .15s; }
.sandbox-card-chatgpt { --c:#0f7a63; --cs:#e6f3ef; }
.sandbox-card-claude { --c:#b0532c; --cs:#f8ece4; }
.sandbox-card:hover { border-color:var(--c); transform:translateY(-2px); }
.sandbox-card.current { border-color:var(--c); box-shadow:0 0 0 1px var(--c); }
.sandbox-card .feature-icon { background:var(--cs); color:var(--c); }
.sandbox-card-top { display:flex; justify-content:space-between; align-items:center; }
.sandbox-provider { font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); font-weight:600; }
.sandbox-card h3 { margin:8px 0 0; font-size:18px; letter-spacing:-.02em; }
.sandbox-card p { margin:0; font-size:13px; line-height:1.75; color:var(--muted); }
.sandbox-models { display:flex; align-items:center; gap:6px; flex-wrap:wrap; margin-top:4px; }
.sandbox-models img { border-radius:5px; object-fit:contain; }
.sandbox-models small { font-size:11px; color:var(--muted); margin-left:4px; }
.sandbox-card-link { margin-top:auto; padding-top:8px; font-size:12px; font-weight:600; color:var(--c); }

@media(max-width:1100px) { .dual-panel { gap:30px; padding:28px; } }
@media(max-width:760px) {
    .run-toolbar { padding:15px; font-size:11px; }.route-toggle,.run-route { padding-left:15px; padding-right:15px; }
    .run-request,.run-log { margin-left:15px; margin-right:15px; }.run-result { padding:15px; }
    .dual-panel { grid-template-columns:1fr; padding:23px; }.sandbox-cards { grid-template-columns:1fr; }
    .matrix th,.matrix td { padding:13px 12px; }
}
@media(prefers-reduced-motion:reduce) {
    .run-log li,.run-bars i { animation:none; opacity:1; }.pulse { animation:none; }
    .sandbox-card,.route-chip b { transition:none; }.sandbox-card:hover { transform:none; }
}