.nav{position:fixed;width:100vw;top:0;z-index:999;background:rgba(12,15,28,.92);-webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);box-shadow:0 12px 34px rgba(0,0,0,.55);border-bottom:1px solid rgba(255,255,255,.08)}.nav:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(21,32,55,.92),rgba(24,28,42,.72));pointer-events:none;z-index:-1}.nav-container{justify-content:space-between;max-width:var(--container-max);margin:0 auto;padding:calc(var(--spacing-md) + .25rem) var(--spacing-lg);min-height:76px}.nav-container,.nav-logo-link{display:flex;align-items:center}.nav-logo-link{text-decoration:none}.desktop-menu{display:flex;align-items:center;gap:var(--spacing-xl);white-space:nowrap}@media (max-width:960px){.desktop-menu{gap:var(--spacing-sm)}}.nav-actions{display:inline-flex;align-items:center;gap:var(--spacing-sm)}.nav-theme-toggle{margin-right:var(--spacing-xs)}.nav-notifications-button,.nav-profile{position:relative;display:inline-flex;align-items:center}.nav-notifications-button{justify-content:center;width:40px;height:40px;border-radius:var(--radius-full);border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:var(--color-text);cursor:pointer;margin-right:var(--spacing-sm);transition:background-color var(--transition-fast),transform var(--transition-fast)}.nav-notifications-button:hover{background:rgba(255,255,255,.1);transform:translateY(-1px)}.nav-notifications-button:focus-visible{outline:3px solid var(--color-focus-ring);outline-offset:3px}.nav-notifications-badge{position:absolute;top:-6px;right:-6px;min-width:18px;height:18px;padding:0 6px;border-radius:var(--radius-full);background:var(--color-secondary);color:var(--color-on-secondary);font-weight:800;font-size:.75rem;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}.nav-notifications-menu{min-width:320px;max-width:360px}.nav-notifications-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:var(--spacing-xs)}.nav-notifications-actions-row{display:inline-flex;align-items:center;gap:var(--spacing-xs)}.nav-notifications-action{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:var(--radius-full);border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:var(--color-text);cursor:pointer;transition:background-color var(--transition-fast),transform var(--transition-fast)}.nav-notifications-action:hover{background:rgba(255,255,255,.1);transform:translateY(-1px)}.nav-notifications-action-danger{color:var(--color-danger,#ff6b6b);border-color:rgba(255,107,107,.35)}.nav-notifications-title{font-weight:800;color:var(--color-text)}.nav-notifications-link{font-size:.9rem;font-weight:700;color:var(--color-secondary);text-decoration:none}.nav-notifications-filters{display:flex;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm)}.nav-notifications-filter{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-full);color:var(--color-text);padding:6px 10px;font-size:.85rem;cursor:pointer}.nav-notifications-filter.is-active{background:var(--color-secondary-soft);color:var(--color-primary)}.nav-notifications-empty{padding:var(--spacing-md);color:var(--color-text-muted)}.nav-notifications-item{flex-direction:column;align-items:flex-start;gap:2px}.nav-notifications-item-unread{background:rgba(255,79,166,.12)}.nav-notifications-item-main{display:flex;flex-direction:column;gap:2px;text-decoration:none;color:inherit;flex:1 1}.nav-notifications-item-title{font-weight:800}.nav-notifications-item-body{font-weight:500;font-size:.9rem;color:var(--color-text-muted)}.nav-notifications-item-actions{display:inline-flex;align-items:center;gap:6px;margin-left:auto}.nav-notifications-item-action{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-full);border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:var(--color-text);cursor:pointer}.nav-notifications-item-action-danger{color:var(--color-danger,#ff6b6b);border-color:rgba(255,107,107,.35)}.nav-notifications-modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:2000}.nav-notifications-modal{background:var(--color-surface-elevated);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);padding:var(--spacing-lg);width:360px;max-width:92vw}.nav-notifications-modal-title{font-weight:800;margin-bottom:var(--spacing-md)}.nav-notifications-modal-actions{display:flex;justify-content:flex-end;gap:var(--spacing-sm)}.nav-notifications-modal-button{padding:8px 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);color:var(--color-text);cursor:pointer}.nav-notifications-modal-button-danger{background:rgba(255,107,107,.15);border-color:rgba(255,107,107,.4);color:#ff6b6b}.nav-profile-button{background:transparent;border:none;cursor:pointer;padding:0;display:inline-flex;align-items:center}.nav-profile-avatar{background:linear-gradient(135deg,var(--color-secondary),var(--color-primary));box-shadow:0 10px 20px rgba(0,0,0,.35)}.nav-profile-avatar .user-avatar-fallback{color:var(--color-text-inverse)}.nav-profile-menu{position:absolute;top:calc(100% + var(--spacing-sm));right:0;min-width:180px;background:var(--color-surface-elevated);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-md);box-shadow:0 20px 40px rgba(0,0,0,.5);padding:var(--spacing-xs);z-index:1000}.nav-profile-menu-item{display:flex;align-items:center;width:100%;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);color:var(--color-text);text-decoration:none;font-weight:600;font-size:.95rem;background:transparent;border:none;cursor:pointer;text-align:left}.nav-profile-menu-item:hover{background:var(--color-secondary-soft);color:var(--color-primary)}.nav-profile-menu-button{-webkit-appearance:none;-moz-appearance:none;appearance:none}.nav-link{color:var(--color-text);font-weight:600;text-decoration:none;font-size:.95rem;padding:.55rem .35rem;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.nav-link:hover{color:var(--color-primary);background-color:var(--color-secondary-soft)}.cta-button{background-color:var(--color-secondary);color:var(--color-on-secondary);padding:var(--spacing-sm) var(--spacing-xl);border-radius:var(--radius-lg);border:none;font-weight:700;font-size:.95rem;text-decoration:none;box-shadow:0 10px 18px rgba(255,79,166,.22);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.cta-button:hover{transform:translateY(-1px);box-shadow:0 14px 24px rgba(255,79,166,.28);background-color:transparent;border-color:var(--color-secondary);color:var(--color-secondary)}.menu-button{display:none;background:none;border:none;cursor:pointer;color:var(--color-primary);min-width:44px;min-height:44px;padding:var(--spacing-sm);border-radius:var(--radius-md)}.menu-button:focus-visible{outline:3px solid var(--color-focus-ring);outline-offset:2px}.mobile-menu{display:none;flex-direction:column;padding:var(--spacing-md) var(--spacing-lg);background-color:var(--color-surface);border-top:1px solid var(--color-border)}.mobile-theme-toggle-row{display:flex;align-items:center;justify-content:flex-start;padding:var(--spacing-sm) 0 var(--spacing-md)}.mobile-link{padding:var(--spacing-md) 0;color:var(--color-text);font-weight:500;text-decoration:none;border-bottom:1px solid var(--color-border)}.mobile-link-button{width:100%;background:transparent;border:none;cursor:pointer;text-align:left}.mobile-cta{margin-top:var(--spacing-md);background-color:var(--color-secondary);color:var(--color-on-secondary);padding:var(--spacing-md);border-radius:var(--radius-md);font-weight:600;text-align:center;text-decoration:none;border:1px solid transparent;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.mobile-cta:hover{background-color:transparent;border-color:var(--color-secondary);color:var(--color-secondary)}@media (max-width:900px){.desktop-menu{display:none}.menu-button{display:inline-flex;align-items:center;justify-content:center}.mobile-menu{display:flex}}