/* Sidebar styles */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 240px;
  background: #2a3647;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  z-index: 101;
}

.sidebar-brand {
  padding: 8px 8px 20px;
  display: flex;
  justify-content: center;
}

.sidebar-logo {
  padding-top: 45px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 240px;
}

.nav-item {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 12px;
  color: #cdcdcd;
  padding: 10px 12px;
  padding-left: 60px;
  transition: background-color 0.2s ease;
}

.nav-item .material-icons {
  font-size: 18px;
  opacity: 0.9;
}

.nav-item.active {
  background: #091931;
  color: #ffffff !important;
  cursor: default;
}

.nav-item:hover {
  background: #2a3d59;
  color: #cdcdcd;
  cursor: pointer;
}

.nav-item.active:hover {
  background: #091931 !important;
  /* stays dark */
  color: #ffffff !important;
}

.nav-item:not(.active):hover {
  background: #2a3d59;
  /* your normal Hover */
  color: #cdcdcd;
  cursor: pointer;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 8px;
  align-items: flex-start;
  padding-left: 60px;
  padding-bottom: 48px;
}

.footer-link {
  color: #a8a8a8;
  text-decoration: none;
  font-size: 16px;
}

.footer-link:hover {
  color: #29abe2;
}

/* LOGIN STATES */
.nav-auth {
  display: none;
}

.nav-guest {
  display: flex;
  flex-direction: column;
}

.nav-item.active:hover {
  background-color: #091931 !important;
}

.nav-item.active svg,
.nav-item.active i,
.nav-item.active .material-icons {
  color: white !important;
  fill: white !important;
}

body.logged-in .nav-auth {
  display: flex;
  flex-direction: column;
}

body.logged-in .nav-guest {
  display: none;
}

body.logged-out .nav-auth {
  display: none;
}

body.logged-out .nav-guest {
  display: flex;
  flex-direction: column;
}

/* Tablet / Mobile Horizontal Layout */
@media (max-width: 1023px) {
  .sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    width: 100%;
    height: 80px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    background: #2a3647;
    border-top: 1px solid #3a4859;
    color: #fff;
    gap: 12px;
    z-index: 100;
  }

  .nav-item {
    flex-direction: column;
    text-align: center;
    gap: 4px;
    height: 70px;
    width: 70px;
    align-items: center;
    margin-top: 4px;
    padding: 6px 4px;
    border-radius: 16px;
    display: flex;
    justify-content: center;
  }

  .nav-item.active {
    width: 70px;
    height: 80px;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border-radius: 16px;
  }

  .sidebar-nav {
    flex-direction: row;
    justify-content: space-around;
    width: 100%;
  }

  .sidebar-brand,
  .sidebar-footer {
    display: none;
  }

  .sidebar-logo {
    height: 40px;
  }

  main.addtask-wrap {
    margin-left: 0;
    margin-bottom: 90px;
  }

  .nav-item.active,
  .nav-item:hover {
    height: 59px;
    padding: 6px 4px;
  }
}

/* ===== MOBILE <= 500px — Labels bleiben sichtbar ===== */
@media (max-width: 500px) {
  .sidebar {
    height: 85px; /* taller so everything stays visible */
  }

  .sidebar-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap; /* no line break */
    gap: 10px;
    padding: 0 8px;
    align-items: center;
    overflow-x: hidden; /* prevent scroll */
    width: 100%;
    box-sizing: border-box;
  }

  .nav-item {
    flex: 0 0 auto;
    height: 62px; /* taller */
    gap: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center; /* centered */
    border-radius: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background-color 120ms ease, transform 120ms ease,
      box-shadow 120ms ease;
  }

  .nav-item .nav-icon,
  .nav-item .material-icons {
    height: 28px; /* Icons larger */
    width: auto;
    flex: 0 0 auto;
    font-size: 22px;
  }

  .nav-item span {
    display: inline-block;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-item:not(.active):hover {
    background: #2a3d59;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(10, 20, 40, 0.08);
  }

  .nav-item.active {
    background: #091931;
    color: #fff;
    cursor: default;
    transform: none;
    box-shadow: none;
  }
}

/* ===== VERY SMALL <= 380px ===== */
@media (max-width: 380px) {
  .sidebar {
    height: 85px;
    padding: 8px 4px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background: #2a3647;
  }

  .nav-item.active,
  .nav-item:hover {
    padding: 6px 6px;
  }

  .sidebar-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap; 
    align-items: center;
    width: 100%;
    overflow-x: hidden; 
    padding: 0 4px;
    box-sizing: border-box;
  }

  .nav-item {
    flex: 1 1 auto; /* Buttons shrink automatically */
    max-width: 86px; /* smaller, so everything fits */
    height: 64px;
    padding: 4px 4px; /* smaller padding */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: #2a3647;
    color: #fff;
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    gap: 2px; /* Abstand Icon-Label minimal */
    transition: background-color 120ms ease, transform 120ms ease,
      box-shadow 120ms ease;
  }

  .nav-item .nav-icon,
  .nav-item .material-icons {
    height: 22px; /* Icons proportional kleiner */
    font-size: 16px;
    margin-bottom: 2px;
  }

  .nav-item:not(.active):hover {
    background: #2a3d59;
    box-shadow: 0 4px 10px rgba(10, 20, 40, 0.08);
    cursor: pointer;
  }

  .nav-item.active {
    background: #091931;
    color: #fff;
    cursor: default;
    transform: none;
    box-shadow: none;
  }
}

@media (max-width: 319px) {
  .sidebar {
    height: 80px;
    padding: 6px;
  }

  .sidebar-nav {
    gap: 6px;
    padding: 0 6px;
  }

  /* Buttons: only icons, but same size */
  .nav-item {
    max-width: 60px;
    height: 60px;
    padding: 6px;
    flex-direction: column;
    gap: 4px;
  }

  /* Hide label */
  .nav-item span {
    display: none !important;
  }

  /* Icons centered */
  .nav-item .nav-icon,
  .nav-item .material-icons {
    font-size: 24px;
    height: 26px;
    margin: 0;
  }

  .nav-item.active {
    background: #091931;
  }
}

/* Icons white when menu item is active */
.nav-item.active .nav-icon,
.nav-item.active .material-icons {
  filter: brightness(0) invert(1);
}