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span{color:var(--muted);margin-top:4px;font-size:.82rem;display:block}.pin-button{width:30px;height:30px;color:var(--navy);border-radius:8px;flex:none;place-items:center;display:grid}.main-area{min-width:0;padding:24px}.content-grid{grid-template-columns:minmax(0,1.4fr) minmax(280px,.8fr);gap:18px;max-width:1240px;margin:0 auto;display:grid}.wide{grid-column:1/-1}.hero-panel,.panel{border:1px solid var(--line);background:#fff;border-radius:8px;padding:22px;box-shadow:0 1px 2px #1115170f}.hero-panel{background:linear-gradient(135deg,#fff 0%,#e6eef4 100%);flex-direction:column;justify-content:center;min-height:230px;display:flex}.eyebrow{color:var(--teal);margin:0 0 8px;font-size:.82rem;font-weight:850}.hero-panel h2{color:var(--navy);letter-spacing:0;margin:0;font-size:clamp(1.8rem,4vw,3rem);line-height:1.05}.hero-panel p{color:var(--muted);max-width:68ch;line-height:1.55}.course-hero{grid-column:1/-1;min-height:190px}.stat-row{flex-wrap:wrap;gap:10px;margin-top:8px;display:flex}.stat-row span{border:1px solid var(--line);background:#ffffffb8;border-radius:8px;padding:8px 12px;font-size:.9rem}.panel-head{justify-content:space-between;align-items:center;gap:12px;min-height:32px;margin-bottom:14px;display:flex}.panel-head h3{color:var(--navy);margin:0;font-size:1.05rem}.panel-head span{color:var(--muted);font-size:.86rem;font-weight:700}.segmented{border:1px solid var(--line);border-radius:8px;grid-template-columns:repeat(2,1fr);margin-bottom:14px;display:grid;overflow:hidden}.segmented button{min-height:38px;color:var(--muted);background:#fff;border:0;font-weight:800}.segmented .selected{background:var(--navy);color:#fff}.stack-form{gap:12px;display:grid}.stack-form label{color:var(--ink);gap:6px;font-size:.9rem;font-weight:750;display:grid}.stack-form input,.stack-form textarea{border:1px solid 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var(--line);background:#fff;position:absolute;top:12px;right:12px}.tool-card{gap:8px;display:grid}.tool-card p{color:var(--muted);margin:0;font-size:.9rem;line-height:1.45}.tool-card small{color:var(--teal);font-weight:800}.tool-card.degraded small{color:var(--coral)}.tool-icon{width:38px;height:38px;color:var(--navy);background:#e6eef4;border-radius:8px;place-items:center;display:grid}.tool-open{color:var(--muted);position:absolute;top:14px;right:14px}.announcement-list,.roster-list{gap:10px;display:grid}.announcement,.roster-row{border:1px solid var(--line);background:#fff;border-radius:8px;padding:12px}.announcement strong{color:var(--ink)}.announcement p{color:var(--text);white-space:pre-wrap;margin:8px 0;line-height:1.5}.announcement small{color:var(--muted)}.announcement-form{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}.roster-row{justify-content:space-between;align-items:center;gap:10px;display:flex}.roster-row>span{min-width:0}.roster-row strong{color:var(--ink);display:block}.roster-row small{color:var(--muted);margin-top:4px;font-size:.82rem;display:block}.roster-actions{flex-wrap:wrap;flex:none;justify-content:flex-end;align-items:center;gap:8px;display:inline-flex}.role-select-label{color:var(--muted);align-items:center;gap:6px;font-size:.78rem;font-weight:800;display:inline-flex}.role-select-label select{border:1px solid var(--line-strong);min-height:34px;color:var(--navy);background:#fff;border-radius:8px;padding:0 8px;font-weight:800}.role-select-label select:disabled{opacity:.6;cursor:wait}.roster-row button{border:1px solid var(--line-strong);min-height:34px;color:var(--navy);background:#fff;border-radius:8px;padding:0 10px;font-weight:800}.roster-error{margin-bottom:12px}.empty-copy{color:var(--muted);margin:0;line-height:1.5}.course-map-panel{padding:0;overflow:hidden}.subway-shadow-host{min-width:0;display:block}@media (width<=1020px){.content-grid{grid-template-columns:1fr}.course-card-grid,.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.demo-showcase{grid-template-columns:1fr}.demo-hero,.demo-course-preview{min-height:auto}.demo-preview-grid,.demo-detail-strip{grid-template-columns:1fr}}@media (width<=680px){.topbar{flex-direction:column;align-items:stretch}.topbar-actions{justify-content:flex-start}.topbar select{width:100%;max-width:100%}.main-area{padding:14px}.demo-screen{padding:16px}.demo-hero,.demo-course-preview{padding:18px}.demo-hero{min-height:320px}.demo-hero h1{font-size:1.78rem}.demo-unlock{grid-template-columns:1fr}.demo-preview-head{flex-direction:column}.demo-preview-metrics{grid-template-columns:1fr}.demo-assignment{flex-direction:column;align-items:flex-start}.demo-assignment em{flex:none}.course-card-grid,.tool-grid{grid-template-columns:1fr}.quiet-link{display:none}}