header{
  font-family:"Segoe UI",sans-serif;
  position:sticky;
  top:0;
  z-index:1000;
  border-bottom:2px solid #cbd5e0;
  box-shadow:0 2px 6px rgba(0,0,0,0.08);
  backdrop-filter:blur(6px);
}

/* Informace o uživateli v menu */
.header-top{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:10px;
  font-size:.9rem;
  padding: 3px 10px 3px 20px;
}

.userinfo-menu-left{
display: flex;
flex-direction: column;
width: stretch;
gap: 5px;
}

.header-name{
font-weight: 700;
font-size: 17px;
}

.header-date{
font-weight: 100;
font-size: 13px;
}



/* Spodní část hlavičky */
.header-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:8px 20px;
  position:relative;
}

/* Logo */
.header-logo{
  height:42px;
  cursor:pointer;
  filter: opacity(0.8);
  transition: all 0.3s ease;
}
.header-logo:hover{
  filter: opacity(1);
}

/* Ikona menu */
.menu-toggle{
  font-size:26px;
  background:none;
  border:none;
  cursor:pointer;
  user-select:none;
  transition:all 0.3s ease;
}

.menu-toggle.open{transform:rotate(90deg)}

/* Dropdown */
.dropdown-menu{
  display:none;
  flex-direction:column;
  position:absolute;
  width:300px;
  right:20px;
  top:60px;
  border-radius:8px;
  box-shadow:0 4px 10px rgba(0,0,0,0.1);
  overflow:hidden;
  z-index:200;
}

.dropdown-menu.show{display:flex}

.dropdown-menu a{
  padding:10px 15px;
  display:block;
  text-decoration:none;
  text-align:center;
}

/* Univerzální menu / submenu */
#menuContainer {
  width: 100%;
}

#mainMenu > a,
#mainMenu .mainmenu-logout > a {
  position: relative;
  display: flex;
  align-items: center;
  width: auto;
  min-height: 35px;
  padding: 6px 44px;
  box-sizing: border-box;
}

.submenu a {
  display: block;
  text-align: center;
  padding: 6px 0;
}

#mainMenu a,
.submenu a {
  font-size: 1rem;
  text-decoration: none;
  border-radius: 10px;
  margin: 5px;
  opacity: 0.8;
  transition: all 0.3s ease;
}

#mainMenu a:hover,
.submenu a:hover {
  opacity: 1;
}

#mainMenu .menu-icon {
  position: absolute;
  left: 14px;
  width: 24px;
  text-align: center;
  line-height: 1;
}

#mainMenu .menu-text {
  display: block;
  width: 100%;
  text-align: center;
}

#mainMenu .submenu-indicator {
  position: absolute;
  right: 14px;
  font-size: 2rem;
  padding-bottom: 9px;
}

.submenu {
  display: none;
  flex-direction: column;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.submenu.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.submenu-header {
  font-weight: bold;
  padding: 14px 16px;
  text-align: center;
  font-size: 1.2rem;
}

.submenu-back {
  height: 30px;
  line-height: 23px;
  text-align: center;
  cursor: pointer;
  font-size: 2rem;
  padding: 0;
  margin-top: 10px;
}

.mainmenu-logout {
  font-weight: bold;
  height: 45px;
}

/* Header notice */
.header-notice{
  border-top:1px solid rgba(0,0,0,.08);
  padding:10px 14px;
  display:flex;
  align-items:center;
  font-weight:600;
  font-size:.95rem;
}

.header-notice-spacer{
  width:0;
  flex:0 0 0;
}

.header-notice-center{
  flex:1 1 auto;
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.header-notice-close{
  width:30px;
  flex:0 0 30px;
  padding:6px 10px;
  border:1px solid rgba(0,0,0,.12);
  border-radius:8px;
  cursor:pointer;
}

.header-notice-link{
  text-decoration:underline;
  text-underline-offset:2px;
  font-weight:700;
}