.top-nav{z-index:1000;background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0}.top-nav-content{align-items:center;gap:2rem;max-width:1400px;height:48px;margin:0 auto;padding:0 1.5rem;display:flex}.top-nav-brand{flex-shrink:0}.brand-name{color:var(--fg);font-size:.9375rem;font-weight:600}.top-nav-tabs{gap:.25rem;display:flex}.nav-tab{color:var(--fg-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;padding:.5rem 1rem;font-size:.8125rem;font-weight:500;text-decoration:none;transition:all .15s}.nav-tab:hover,.nav-tab.active{color:var(--fg);background:var(--bg-subtle)}.top-nav-spacer{flex:1}.help-btn{background:var(--bg-subtle);border:1px solid var(--border);width:28px;height:28px;color:var(--fg-muted);cursor:pointer;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.875rem;font-weight:600;transition:all .15s;display:flex}.help-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}.help-modal-overlay{z-index:2000;background:#0009;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.help-modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:400px;padding:1.25rem;box-shadow:0 8px 32px #0000004d}.help-modal-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.help-modal-header h2{color:var(--fg);margin:0;font-size:1rem;font-weight:600}.help-close{color:var(--fg-muted);cursor:pointer;background:0 0;border:none;padding:0;font-size:1.5rem;line-height:1}.help-close:hover{color:var(--fg)}.help-checklist{margin:0;padding:0;list-style:none}.checklist-item{background:var(--bg-subtle);border-radius:8px;align-items:center;gap:.875rem;margin-bottom:.5rem;padding:.875rem 1rem;display:flex}.checklist-item:last-child{margin-bottom:0}.checklist-checkbox{border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;display:flex}.checkbox-empty{border:2px solid var(--border);background:0 0;border-radius:4px;width:100%;height:100%}.checkbox-checked{color:#fff;background:#22c55e;border-radius:4px;justify-content:center;align-items:center;width:100%;height:100%;font-size:.875rem;font-weight:700;display:flex}.checklist-content{flex:1;min-width:0}.checklist-text{color:var(--fg);font-size:.875rem;font-weight:500}.checklist-item.completed .checklist-text{color:var(--fg-muted)}.checklist-action{color:var(--accent);border:1px solid var(--accent);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;padding:.375rem .75rem;font-size:.75rem;font-weight:600;transition:all .15s}.checklist-action:hover{background:var(--accent);color:#fff}.help-modal-footer{border-top:1px solid var(--border);text-align:center;margin-top:1rem;padding-top:1rem}.feedback-link{color:var(--fg-muted);align-items:center;gap:.375rem;font-size:.8125rem;text-decoration:none;transition:color .15s;display:inline-flex}.feedback-link:hover{color:var(--accent)}@media (max-width:640px){.top-nav-content{gap:.5rem;height:44px;padding:0 .75rem}.brand-name{font-size:.8125rem}.nav-tab{padding:.375rem .5rem;font-size:.75rem}.top-nav-tabs{gap:.125rem}}