.listing-page{padding:40px 0 80px}.listing-page .container{max-width:1000px;margin:0 auto;padding:0 24px}.back-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:#64748b;margin-bottom:32px;transition:color .2s}.back-link:hover{color:#0d9488}.listing-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.listing-hero{border-radius:16px;overflow:hidden;border:1px solid #e5e7eb}.listing-preview-img{width:100%;aspect-ratio:1;object-fit:cover;display:block}.listing-preview-placeholder{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:#f1f5f9}.ff-hero{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;background:linear-gradient(135deg,#eff6ff,#dbeafe)}.ff-hero.class2{background:linear-gradient(135deg,#f5f3ff,#ede9fe)}.ff-hero-chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;padding:0 16px}.ff-chip{padding:4px 10px;border-radius:6px;font-size:12px;font-weight:500;background:#ffffffb3;color:#475569;border:1px solid rgba(0,0,0,.06)}.listing-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:12px}.listing-title-row h1{font-size:clamp(22px,3vw,28px);font-weight:700;color:#1e293b;line-height:1.3}.price-badge.lg{font-size:14px;padding:4px 14px;flex-shrink:0}.listing-meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:20px}.verified-badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:#10b981;font-weight:500}.publisher{font-size:13px;color:#94a3b8}.listing-desc{font-size:15px;color:#64748b;line-height:1.7;margin-bottom:24px}.stats-grid{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.listing-cta{margin-top:32px}.listing-cta .btn{width:100%;justify-content:center}.price-badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap;background:#f0fdfa;color:#0d9488;border:1px solid #99f6e4}.price-badge.free{background:#f1f5f9;color:#64748b;border-color:#e2e8f0}.price-badge.earn{background:#fef3c7;color:#b45309;border-color:#fde68a}.type-tag{display:inline-block;padding:3px 8px;border-radius:6px;font-size:11px;font-weight:600;background:#64748b1a;color:#64748b}.type-tag.project{background:#6d28d91a;color:#6d28d9}.type-tag.forcefield{background:#0e74901a;color:#0e7490}.ff-class-badge{display:inline-block;padding:3px 8px;border-radius:6px;font-size:11px;font-weight:600;background:#6366f11a;color:#6366f1}.stat-pill{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:8px;font-size:13px;color:#475569;background:#f8fafc;border:1px solid #e5e7eb}.stat-pill strong{font-weight:600;color:#1e293b}.atom-types-details{margin-bottom:16px}.atom-types-details summary{font-size:13px;color:#64748b;cursor:pointer;font-weight:500;padding:6px 0}.atom-types-list{display:flex;gap:6px;flex-wrap:wrap;padding:10px 0}.atom-type-chip{padding:3px 8px;border-radius:6px;font-size:11px;font-weight:500;background:#f1f5f9;color:#475569;border:1px solid #e2e8f0}.sim-phases{margin-bottom:8px}.sim-phases-header{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#1e293b;cursor:pointer;padding:8px 0}.sim-phases-header svg{width:14px;height:14px;color:#f59e0b}.sim-phases-count{font-weight:400;color:#94a3b8;font-size:12px}.sim-timeline{padding:8px 0 4px 8px}.sim-phase-card{display:flex;gap:12px;align-items:flex-start;padding:10px 0}.phase-number{width:24px;height:24px;border-radius:50%;background:#f1f5f9;color:#64748b;font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;flex-shrink:0}.phase-name-row{display:flex;align-items:center;gap:8px;margin-bottom:2px}.phase-ensemble-badge{display:inline-block;padding:2px 6px;border-radius:4px;font-size:11px;font-weight:600;background:#dbeafe;color:#2563eb}.phase-ensemble-badge.npt{background:#fce7f3;color:#be185d}.phase-ensemble-badge.nve{background:#d1fae5;color:#065f46}.phase-name{font-size:13px;font-weight:500;color:#1e293b}.phase-params{display:flex;gap:10px;font-size:12px;color:#94a3b8}.phase-arrow{padding-left:6px}.phase-arrow svg{width:16px;height:16px;color:#cbd5e1}@media (max-width: 768px){.listing-layout{grid-template-columns:1fr;gap:24px}.listing-preview-img,.listing-preview-placeholder,.ff-hero{aspect-ratio:8 / 5}}