.nav{background:var(--surface);border-bottom:1px solid rgba(255,255,255,.05);position:sticky;top:0;z-index:100}.nav-inner{max-width:1000px;margin:0 auto;display:flex;align-items:center;padding:0 1.5rem;height:56px;gap:1.5rem}.nav-logo{font-size:1.1rem;font-weight:700;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:.5rem}.nav-links{display:flex;gap:.25rem}.nav-links a{padding:.5rem .9rem;border-radius:8px;color:var(--muted);text-decoration:none;font-size:.9rem;transition:all .2s}.nav-links a:hover,.nav-links a.active{background:rgba(245,158,11,.15);color:var(--accent)}.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer;margin-left:auto;padding:.25rem}.toast{position:fixed;bottom:2rem;left:50%;transform:translateX(-50%) translateY(20px);padding:.8rem 1.5rem;border-radius:12px;font-size:.9rem;font-weight:500;opacity:0;transition:all .3s;z-index:999;pointer-events:none}.toast-show{opacity:1;transform:translateX(-50%) translateY(0)}.toast-info{background:var(--accent);color:#0f172a}.toast-success{background:#22c55e;color:#0f172a}.toast-error{background:#ef4444;color:#fff}.badge{display:inline-block;padding:.2rem .6rem;border-radius:999px;font-size:.75rem;font-weight:600}.badge-green{background:rgba(34,197,94,.2);color:#22c55e}.badge-blue{background:rgba(59,130,246,.2);color:#3b82f6}.badge-amber{background:rgba(245,158,11,.2);color:#f59e0b}.badge-red{background:rgba(239,68,68,.2);color:#ef4444}.badge-purple{background:rgba(139,92,246,.2);color:#8b5cf6}.badge-cyan{background:rgba(6,182,212,.2);color:#06b6d4}.badge-pink{background:rgba(236,72,153,.2);color:#ec4899}.badge-violet{background:rgba(168,85,247,.2);color:#a855f7}.badge-teal{background:rgba(20,184,166,.2);color:#14b8a6}.btn-primary{display:inline-block;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0f172a;font-weight:700;padding:.7rem 1.8rem;border-radius:999px;font-size:1rem;text-decoration:none;transition:transform .2s}.btn-primary:hover{transform:translateY(-2px)}.page-enter{animation:fadeIn .3s ease}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-stagger{opacity:0;animation:slideUp .4s ease forwards}@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modes-detailed{display:flex;flex-direction:column;gap:1rem;padding:1rem 0}.mode-card{background:var(--surface);border-radius:12px;overflow:hidden;cursor:pointer;transition:transform .2s}.mode-card:hover{transform:translateY(-2px)}.mode-card-header{display:flex;align-items:center;gap:1rem;padding:1.2rem 1.5rem}.mode-card-icon{font-size:2rem}.mode-card-header h3{font-size:1.1rem;margin:0}.mode-card-header .badge{margin-left:.5rem}.expand-icon{margin-left:auto;color:var(--muted);transition:transform .3s}.mode-detail{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 1.5rem;border-top:1px solid transparent}.mode-detail.open{max-height:300px;padding:1rem 1.5rem;border-top:1px solid rgba(255,255,255,.05)}.mode-detail p{color:var(--muted);font-size:.9rem;line-height:1.6}.mode-stats{display:flex;flex-wrap:wrap;gap:1rem;margin-top:.8rem;font-size:.8rem;color:var(--muted)}@media(max-width:640px){.nav-inner{position:relative;flex-wrap:wrap;height:auto;min-height:56px;padding-top:.5rem;padding-bottom:.5rem}.nav-links{display:none;position:static;width:100%;background:var(--surface);flex-direction:column;gap:.25rem;padding:.5rem 0 0;border-top:1px solid rgba(255,255,255,.05)}.nav-links.show{display:flex}.nav-toggle{display:block}}