/* FUTON v5.3 — F.Lab Prompt Lab */
.futon-shell .futon-prompt-hero{padding:104px 0 62px;background:radial-gradient(circle at 88% 15%,rgba(255,84,41,.16),transparent 27%),linear-gradient(180deg,#fff 0%,#f8fafc 100%);border-bottom:1px solid var(--border-light)}
.futon-shell .futon-prompt-hero__grid{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:64px;align-items:end;margin-top:34px}
.futon-shell .futon-prompt-kicker{display:inline-flex;align-items:center;gap:9px;font-size:.73rem;font-weight:800;letter-spacing:.13em;color:var(--accent-orange);text-transform:uppercase;margin-bottom:18px}
.futon-shell .futon-prompt-hero h1{font-size:clamp(2.5rem,5vw,4.65rem);line-height:.98;letter-spacing:-.055em;margin:0;max-width:850px;color:var(--text-primary)}
.futon-shell .futon-prompt-hero h1 span{display:block;color:var(--text-secondary)}
.futon-shell .futon-prompt-hero p{font-size:1rem;line-height:1.75;color:var(--text-secondary);max-width:760px;margin:24px 0 0}
.futon-shell .futon-prompt-stat{background:#111827;color:#fff;border-radius:24px;padding:26px;box-shadow:var(--shadow-lg)}
.futon-shell .futon-prompt-stat strong{display:block;font-size:2.5rem;line-height:1;font-weight:850;letter-spacing:-.06em}
.futon-shell .futon-prompt-stat span{display:block;font-size:.75rem;line-height:1.5;color:#cbd5e1;margin-top:8px}
.futon-shell .futon-prompt-browser{background:#f7f8fc;padding-top:52px}
.futon-shell .futon-prompt-toolbar{position:sticky;top:84px;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border:1px solid var(--border-light);border-radius:20px;padding:14px;box-shadow:0 14px 40px rgba(15,23,42,.08);display:grid;grid-template-columns:minmax(280px,1fr) auto;gap:12px;margin-bottom:32px}
.futon-shell .futon-prompt-search{display:flex;align-items:center;gap:10px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:12px;padding:0 14px;color:#94a3b8}
.futon-shell .futon-prompt-search:focus-within{border-color:rgba(255,84,41,.55);box-shadow:0 0 0 3px rgba(255,84,41,.08)}
.futon-shell .futon-prompt-search input{width:100%;border:0!important;background:transparent!important;box-shadow:none!important;padding:12px 0!important;font-size:.88rem!important;height:auto!important}
.futon-shell .futon-prompt-selects{display:flex;gap:8px}
.futon-shell .futon-prompt-selects select{min-width:170px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;padding:0 38px 0 12px;font-size:.8rem;height:46px;box-shadow:none}
.futon-shell .futon-prompt-results{grid-column:1/-1;display:flex;align-items:center;gap:5px;padding:0 4px;font-size:.75rem;color:var(--text-secondary)}
.futon-shell .futon-prompt-results button{margin-left:auto;border:0;background:transparent;color:var(--accent-orange);font-weight:750;cursor:pointer;padding:4px 0}
.futon-shell .futon-prompt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.futon-shell .futon-prompt-card{min-width:0;background:#fff;border:1px solid var(--border-light);border-radius:20px;overflow:hidden;box-shadow:0 8px 26px rgba(15,23,42,.05);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.futon-shell .futon-prompt-card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(15,23,42,.11);border-color:rgba(255,84,41,.22)}
.futon-shell .futon-prompt-card[hidden]{display:none!important}
.futon-shell .futon-prompt-card__link{display:block;color:inherit;text-decoration:none;height:100%}
.futon-shell .futon-prompt-card__media{height:248px;background:linear-gradient(135deg,#111827,#334155);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#fff;font-size:2rem}
.futon-shell .futon-prompt-card__media img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.futon-shell .futon-prompt-card:hover .futon-prompt-card__media img{transform:scale(1.035)}
.futon-shell .futon-prompt-card__overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(15,23,42,.72));display:flex;align-items:flex-end;justify-content:flex-end;padding:18px;opacity:0;transition:.2s ease}
.futon-shell .futon-prompt-card:hover .futon-prompt-card__overlay{opacity:1}
.futon-shell .futon-prompt-card__overlay span{background:#fff;color:#111827;border-radius:999px;padding:8px 12px;font-size:.72rem;font-weight:800}
.futon-shell .futon-prompt-card__body{padding:20px 20px 18px}
.futon-shell .futon-prompt-card__eyebrow{display:flex;gap:6px;align-items:center;justify-content:space-between;color:var(--accent-orange);font-size:.67rem;line-height:1.2;font-weight:850;letter-spacing:.07em;text-transform:uppercase}
.futon-shell .futon-prompt-card__eyebrow .model{color:#64748b;background:#f1f5f9;padding:5px 7px;border-radius:6px;letter-spacing:0;text-transform:none;white-space:nowrap;max-width:45%;overflow:hidden;text-overflow:ellipsis}
.futon-shell .futon-prompt-card h3{font-size:1.1rem;line-height:1.35;letter-spacing:-.025em;margin:12px 0 8px;color:var(--text-primary)}
.futon-shell .futon-prompt-card p{font-size:.8rem;line-height:1.65;color:var(--text-secondary);margin:0;min-height:2.65em}
.futon-shell .futon-prompt-card__meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px;padding-top:13px;border-top:1px solid #eef2f7;color:#64748b;font-size:.7rem;font-weight:650}
.futon-shell .futon-prompt-empty{text-align:center;padding:80px 20px;color:var(--text-secondary)}
.futon-shell .futon-prompt-empty i{font-size:2rem;color:#94a3b8}.futon-shell .futon-prompt-empty h2{margin:14px 0 5px;font-size:1.3rem}

/* F.Lab entry feature */
.futon-shell .flab-prompt-lab-feature{margin-bottom:34px;background:linear-gradient(120deg,#111827,#1f2937 64%,#7c2d12);border-radius:26px;overflow:hidden;box-shadow:var(--shadow-lg);color:#fff;position:relative}
.futon-shell .flab-prompt-lab-feature:after{content:"";position:absolute;width:310px;height:310px;border-radius:50%;right:-90px;top:-150px;background:rgba(255,84,41,.24);filter:blur(2px)}
.futon-shell .flab-prompt-lab-feature__inner{position:relative;z-index:1;padding:38px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center}
.futon-shell .flab-prompt-lab-feature .eyebrow{font-size:.7rem;font-weight:850;letter-spacing:.13em;color:#fdba74;text-transform:uppercase}
.futon-shell .flab-prompt-lab-feature h2{color:#fff;font-size:2rem;letter-spacing:-.04em;margin:10px 0 10px}
.futon-shell .flab-prompt-lab-feature p{max-width:700px;color:#cbd5e1;line-height:1.7;font-size:.9rem;margin:0}
.futon-shell .flab-prompt-lab-feature__chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:18px}.futon-shell .flab-prompt-lab-feature__chips span{font-size:.7rem;font-weight:700;color:#e2e8f0;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);border-radius:999px;padding:6px 9px}
.futon-shell .flab-prompt-lab-feature .btn{white-space:nowrap;background:#fff;color:#111827;border-color:#fff}.futon-shell .flab-prompt-lab-feature .btn:hover{background:var(--accent-orange);border-color:var(--accent-orange);color:#fff}

/* Single prompt */
.futon-shell .futon-prompt-detail__hero{padding-bottom:56px}.futon-shell .futon-prompt-detail__hero .page-header-title{max-width:950px}
.futon-shell .futon-prompt-detail__chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.futon-shell .futon-prompt-detail__chips span{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border:1px solid #e2e8f0;background:#fff;border-radius:999px;font-size:.72rem;font-weight:700;color:#475569}
.futon-shell .futon-prompt-detail__layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start}
.futon-shell .futon-prompt-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:26px}.futon-shell .futon-prompt-gallery figure{margin:0;border-radius:16px;overflow:hidden;background:#eef2f7;min-height:220px}.futon-shell .futon-prompt-gallery figure.is-main{grid-column:1/-1;min-height:430px}.futon-shell .futon-prompt-gallery img{display:block;width:100%;height:100%;object-fit:cover}
.futon-shell .futon-prompt-block,.futon-shell .futon-prompt-original{background:#fff;border:1px solid var(--border-light);border-radius:20px;padding:28px;margin-bottom:20px;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.futon-shell .futon-prompt-block--primary{border-color:rgba(255,84,41,.26)}.futon-shell .futon-prompt-block__head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:18px}.futon-shell .futon-prompt-block>span,.futon-shell .futon-prompt-block__head span,.futon-shell .futon-prompt-source-card>span{font-size:.66rem;font-weight:850;letter-spacing:.12em;color:var(--accent-orange)}
.futon-shell .futon-prompt-block h2,.futon-shell .futon-prompt-block__head h2{font-size:1.3rem;margin:5px 0 0}.futon-shell .futon-prompt-code{white-space:pre-wrap;word-break:break-word;margin:0;background:#0f172a;color:#e5e7eb;border-radius:14px;padding:22px;font:500 .82rem/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;max-height:620px;overflow:auto}
.futon-shell .futon-copy-btn.is-copied{background:#059669!important;border-color:#059669!important}.futon-shell .futon-prompt-variable-list{display:grid;gap:8px;margin-top:18px}.futon-shell .futon-prompt-variable-list div{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;background:#f8fafc;border-radius:10px;font-size:.83rem}.futon-shell .futon-prompt-variable-list i{color:var(--accent-orange);margin-top:2px}.futon-shell .futon-prompt-usage{margin-top:16px;color:var(--text-body);font-size:.88rem;line-height:1.8}
.futon-shell .futon-prompt-original{padding:0;overflow:hidden}.futon-shell .futon-prompt-original summary{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:18px 22px;cursor:pointer;font-size:.82rem;font-weight:800;list-style:none}.futon-shell .futon-prompt-original summary::-webkit-details-marker{display:none}.futon-shell .futon-prompt-original[open] summary{border-bottom:1px solid var(--border-light)}.futon-shell .futon-prompt-original>div{padding:18px}.futon-shell .futon-copy-link{display:block;margin:0 0 10px auto;background:transparent;border:0;color:var(--accent-orange);font-size:.75rem;font-weight:800;cursor:pointer}
.futon-shell .futon-prompt-detail__aside{position:sticky;top:100px}.futon-shell .futon-prompt-source-card{background:#fff;border:1px solid var(--border-light);border-radius:20px;padding:22px;box-shadow:0 8px 24px rgba(15,23,42,.05)}.futon-shell .futon-prompt-source-card h3{font-size:1.2rem;margin:7px 0 18px}.futon-shell .futon-prompt-source-card p{font-size:.78rem;line-height:1.55;color:var(--text-secondary);padding:9px 0;margin:0;border-top:1px solid #eef2f7}.futon-shell .futon-prompt-source-card .btn{margin-top:16px;font-size:.75rem}.futon-shell .futon-prompt-back{display:flex;align-items:center;gap:8px;margin-top:14px;padding:10px 3px;color:var(--text-secondary);font-size:.78rem;font-weight:750;text-decoration:none}

@media(max-width:980px){.futon-shell .futon-prompt-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.futon-shell .futon-prompt-detail__layout{grid-template-columns:1fr}.futon-shell .futon-prompt-detail__aside{position:static}.futon-shell .futon-prompt-hero__grid{grid-template-columns:1fr}.futon-shell .futon-prompt-stat{max-width:220px}}
@media(max-width:700px){.futon-shell .futon-prompt-hero{padding:82px 0 42px}.futon-shell .futon-prompt-toolbar{top:70px;grid-template-columns:1fr;padding:10px}.futon-shell .futon-prompt-selects{display:grid;grid-template-columns:1fr 1fr}.futon-shell .futon-prompt-selects select{min-width:0;width:100%}.futon-shell .futon-prompt-grid{grid-template-columns:1fr;gap:16px}.futon-shell .futon-prompt-card__media{height:260px}.futon-shell .flab-prompt-lab-feature__inner{grid-template-columns:1fr;padding:28px}.futon-shell .futon-prompt-gallery{grid-template-columns:1fr}.futon-shell .futon-prompt-gallery figure.is-main{grid-column:auto;min-height:300px}.futon-shell .futon-prompt-block{padding:20px}.futon-shell .futon-prompt-block__head{display:block}.futon-shell .futon-prompt-block__head .btn{margin-top:14px;width:100%}}

/* v5.3 production polish: attribution + sorting + source links */
.futon-shell .futon-prompt-attribution{background:#fff;border-bottom:1px solid var(--border-light)}
.futon-shell .futon-prompt-attribution .container>div{display:flex;gap:12px;align-items:flex-start;padding:14px 0;color:#64748b;font-size:.75rem;line-height:1.65}
.futon-shell .futon-prompt-attribution i{color:var(--accent-orange);margin-top:3px}.futon-shell .futon-prompt-attribution p{margin:0}.futon-shell .futon-prompt-attribution a{color:#334155;text-decoration:underline;text-underline-offset:2px}
.futon-shell .futon-prompt-origin-link{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:9px;padding:8px 4px;color:var(--text-secondary);font-size:.72rem;font-weight:750;text-decoration:none}.futon-shell .futon-prompt-origin-link:hover{color:var(--accent-orange)}
@media(max-width:1180px){.futon-shell .futon-prompt-toolbar{grid-template-columns:1fr}.futon-shell .futon-prompt-selects{grid-column:1/-1}.futon-shell .futon-prompt-results{grid-column:1/-1}}