.app-header{position:sticky;top:0;height:var(--header-height);background:#0f121ab3;backdrop-filter:var(--glass-backdrop-filter);-webkit-backdrop-filter:var(--glass-backdrop-filter);border-bottom:1px solid var(--glass-border);z-index:var(--z-header);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-md);width:100%}.header-logo{display:flex;align-items:center;gap:var(--space-xs);font-size:1.25rem;font-weight:700;color:var(--text-primary);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.header-user{display:flex;align-items:center;gap:var(--space-xs);color:var(--text-secondary);font-size:.9rem}.header-user-avatar{width:32px;height:32px;border-radius:var(--border-radius-round);background:var(--bg-tertiary);border:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--primary-light)}.bottom-nav{position:fixed;bottom:0;left:0;width:100%;height:var(--nav-height);background:#181c25d9;backdrop-filter:var(--glass-backdrop-filter);-webkit-backdrop-filter:var(--glass-backdrop-filter);border-top:1px solid var(--glass-border);z-index:var(--z-navbar);display:flex;justify-content:space-around;align-items:center;padding:0 var(--space-sm);box-shadow:0 -4px 24px #0000004d}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--text-secondary);font-size:.75rem;font-weight:500;height:100%;padding:0 var(--space-sm);transition:all var(--transition-fast);position:relative;background:none;border:none}.nav-item:hover,.nav-item.active{color:var(--primary-light)}.nav-item svg{width:22px;height:22px;stroke-width:2px;transition:transform var(--transition-fast)}.nav-item:active svg{transform:scale(.9)}.nav-item-fab-placeholder{width:56px;pointer-events:none}.more-menu-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:#0006;z-index:calc(var(--z-navbar) - 1);opacity:0;visibility:hidden;transition:all var(--transition-normal)}.more-menu-backdrop.active{opacity:1;visibility:visible}.more-menu{position:fixed;bottom:calc(var(--nav-height) + var(--space-xs));right:var(--space-md);background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--border-radius-md);box-shadow:var(--glass-shadow);padding:var(--space-xs);display:flex;flex-direction:column;gap:var(--space-2xs);z-index:var(--z-navbar);transform:translateY(20px) scale(.95);transform-origin:bottom right;opacity:0;visibility:hidden;transition:all var(--transition-normal);width:200px}.more-menu.active{transform:translateY(0) scale(1);opacity:1;visibility:visible}.more-menu-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm);border-radius:var(--border-radius-sm);color:var(--text-primary);font-size:.9rem;font-weight:500;transition:background var(--transition-fast);text-align:left}.more-menu-item:hover{background:var(--bg-tertiary);color:var(--primary-light)}.more-menu-item svg{width:18px;height:18px;color:var(--text-secondary)}.more-menu-item:hover svg{color:var(--primary-light)}@media (min-width: 600px){.app-header,.bottom-nav{max-width:600px;left:50%;transform:translate(-50%);border-left:1px solid var(--glass-border);border-right:1px solid var(--glass-border)}.more-menu{right:calc(50% - 300px + var(--space-md))}}