/* Algemene styling */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}


body {
  font-size: 20px;
  line-height: 1.4;

  @media (min-width: 768px) {
    font-size: 16px;
  }
}

/* Main content */
.main-section {
  flex: 1;
  padding: 20px;
  width: 100%;
  background-color: rgb(250, 250, 250);
}

.layout-container {
  display: flex;
  min-height: 100vh;
  @media (max-width: 768px) {
    flex-direction: column;
  }
}

.topbar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-bottom: 20px;

  @media (max-width: 768px) {
    display: none;
  }
}

.topbar button,
.topbar .profile {
  margin-left: 10px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.groups-arrow svg {
  vertical-align: middle;
}

#yourGroups {
  display: none;
}

/* Logo bovenaan */
.sidebar-navigation {
  position: sticky;
  top: 0;
  z-index: 100;
  min-width: 180px;
  max-width: 100%;
  background: #172F3B;
  color: #fff;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  overflow-y: auto;
  /* transition: width 0.8s; */
}

/* Sidebar voor thema's in een groep */
.themes-sidebar {
  min-width: 160px;
  background: #12262f;
  color: #fff;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  overflow-y: auto;
}

.layout-container {
  display: flex;
  align-items: stretch;
}

.sidebar-navigation .logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 1rem 2rem 1rem;
}

.sidebar-navigation input[type="text"] {
  background: #173a6c;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
  outline: none;
  width: 100%;
  box-shadow: 0 1px 4px rgba(24, 123, 255, 0.08);
}

.sidebar-navigation input::placeholder {
  color: #b4c0d0;
}

.sidebar-navigation button {
  background: #0d1f2a;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  width: 100%;
  transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
}

.sidebar-navigation a {
  display: flex;
  align-items: center;
  width: 180px;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-radius: 1px;
  text-decoration: none;
  color: #e5eaf3;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  font-weight: 500;
  font-size: 1rem;
  /* @media (min-width: 768px) {
      display: none;;
  } */
}

.sidebar-navigation a:hover {
  background: #ffffff;
  color: #000000;
  box-shadow: 0 2px 8px rgba(24, 123, 255, 0.10);
  cursor: pointer;
}

.sidebar-navigation a.active {
  background: #fff;
  color: #000000;
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(24, 123, 255, 0.12);
}

.sidebar-navigation a img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #333333;
}

.sidebar-navigation small {
  font-size: 0.8rem;
  color: #9cb3f3;
}

@media (max-width: 768px) {
  .sidebar-navigation {
    width: 100vw;
    min-width: unset;
    min-height: fit-content;
    height: auto;
    flex-direction: row;
    align-items: center;
    box-shadow: 0 2px 12px rgba(8, 27, 51, 0.08);
    padding: 0.5rem 0.5rem;
    overflow-x: auto;
    overflow-y: visible;
  }

  .sidebar-navigation .logo {
    margin-bottom: 0;
    margin-right: 1rem;
    font-size: 1.3rem;
  }

  .sidebar-navigation a {
    margin: 0 0.5rem;
    padding: 0.5rem 0.7rem;
    font-size: 0.95rem;
  }

  .sidebar-navigation input[type="text"] {
    margin-bottom: 0;
    margin-right: 1rem;
    width: 120px;
    font-size: 0.85rem;
  }
}

button:active {
  background: linear-gradient(90deg, #111 0%, #222 100%);
  box-shadow: 0 1px 4px rgba(30, 30, 30, 0.10);
  transform: translateY(1px) scale(0.98);
}


.logo {
  font-size: 40px;
  margin-bottom: 40px;
}

.sidebar-navigation a {
  display: block;
  margin: 10px 0;
  text-decoration: none;
  color: rgb(255, 255, 255);
  font-weight: bold;

  @media (max-width: 768px) {
    margin: 0 10px;
  }
}

/* Dropdown menu */
nav.profile-menu {
  position: absolute;
  cursor: pointer;
  top: 70px;
  right: 40px;
  display: none;
  flex-direction: column;
  min-width: 120px;
  z-index: 10;
}

nav.profile-menu button {
  width: 100%;
  text-align: left;
}

.btn,
button {
  background: rgb(51, 51, 51, 0.8);
  color: #fff;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: none;
  border-radius: 3px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(30, 30, 30, 0.08);
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
  outline: none;
}

.form button {
  width: 100%;
  border: none;
  border-radius: 3px;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 1rem;
}

.like-btn {
  background: #ff6b6b;
  color: white;
  border: none;
  padding: 6px 10px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}

.like-btn:hover {
  opacity: 0.9;
}

.photo-likes {
  font-weight: 700;
}

.theme-likes {
  font-size: 0.95rem;
  color: #666;
  margin-top: 6px;
}

.photo-detail-popup {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  z-index: 200;
}

.photo-detail-popup {
  opacity: 0;
  transition: opacity 220ms ease-in-out;
}
.photo-detail-popup.open { opacity: 1; }

.photo-detail-content {
  background: #fff;
  border-radius: 10px;
  max-width: 900px;
  max-height: 90%;
  overflow: auto;
  padding: 12px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.photo-detail-content { transform: translateY(8px); transition: transform 220ms ease-in-out; }
.photo-detail-popup.open .photo-detail-content { transform: translateY(0); }

.photo-detail-content img {
  max-width: 80%;
  height: auto;
  border-radius: 6px;
}

.photo-detail-info {
  padding: 6px 12px;
  flex: 1;
}

.close-photo-detail {
  background: transparent;
  border: none;
  font-size: 28px;
  position: absolute;
  cursor: pointer;
}

.photo-detail-likes {
  margin-top: 8px;
  display: flex;
  gap: 8px;
  align-items: center;
}

@media (max-width: 480px) {
  .photo-detail-content {
    flex-direction: column;
    align-items: center;
    padding: 8px;
  }
  .photo-detail-content img {
    max-width: 100%;
    width: 100%;
    height: auto;
  }
  .photo-detail-info { width: 100%; padding: 8px 6px; }
  .close-photo-detail { right: 10px; top: 8px; }
}

.btn:hover,
button:hover {
  background: linear-gradient(90deg, #222 0%, #444 100%);
  box-shadow: 0 4px 16px rgba(30, 30, 30, 0.15);
  transform: translateY(-2px) scale(1.03);
}

.btn:active,
button:active {
  background: linear-gradient(90deg, #111 0%, #222 100%);
  box-shadow: 0 1px 4px rgba(30, 30, 30, 0.10);
  transform: translateY(1px) scale(0.98);
}

/* Popup */
.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  z-index: 100;
}

.popup-content {
  background: white;
  padding: 20px;
  border-radius: 12px;
  width: 320px;
}

.tabs-navigation {
  display: flex;
  margin-bottom: 10px;
  border-bottom: 1px solid #ccc;
}

.tabs-navigation button {
  flex: 1;
  font-weight: bold;
}

.tabs-navigation button.active {
  border-bottom: 3px solid #fff;
  color: #fff;
}

.form {
  display: none;
  flex-direction: column;
  align-items: center;


  .form.active {
    display: flex;
  }

  .form input {
    width: 90%;
    margin: 5px 0;
    padding: 8px;
  }

  .form button {
    margin-top: 10px;
    background: #f5f5f5;
    color: #222;
    border: 1px solid #bbb;
    border-radius: 3px;
    padding: 10px 20px;
    font-weight: 500;
    font-size: 1rem;
    box-shadow: none;
    transition: background 0.2s, border 0.2s, color 0.2s;
  }

  .form button:hover {
    background: #e0e0e0;
    color: #111;
    border-color: #888;
  }

  .form button:active {
    background: #d1d1d1;
    color: #000;
    border-color: #666;
  }
}


/* Gallery grid */
.gallery-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
}

.gallery-title {
  grid-column: 1 / -1;
  text-align: center;
  margin-bottom: 20px;
}

.gallery-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.gallery-card { 
  transition: transform 200ms ease, box-shadow 200ms ease; 
}
.gallery-card:hover {
   transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(16,40,70,0.16); 
  }

.gallery-card img {
  width: 100%;
  display: block;
}

.gallery-card .likes {
  padding: 10px;
  font-weight: bold;
}

/* mobile back button*/
.mobile-back-btn {
  display: inline-block;
  background: transparent;
  color: #fff;
  border: none;
  padding: 8px 12px;
  font-size: 0.95rem;
  cursor: pointer;
  text-align: left;
}

.mobile-back-btn:hover {
   opacity: 0.9; 
  }

.themes-sidebar .mobile-back-btn {
  display: block;
  width: 100%;
  background: transparent;
  color: #e5eaf3;
  padding-left: 12px;
  margin-bottom: 6px;
}

.gallery-back {
  position: relative;
  margin: 8px 12px;
  background: #172F3B;
  color: #fff;
  border-radius: 6px;
  padding: 8px 12px;
}

.gallery-back:hover {
   opacity: 0.95;
    transform: translateY(-2px); 
  }

@media (max-width: 768px) {
  .layout-container { flex-direction: column; }
  .sidebar-navigation { height: auto; width: 100%; }
  .themes-sidebar { order: 2; }
  .main-section { order: 3; padding: 12px; }
  .gallery-section { grid-template-columns: 1fr; }
}

/* Mobile bottom navigation - visible only on small screens */
@media (max-width: 768px) {
  .mobile-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 60px;
    background: #ffffff;
    border-top: 1px solid rgba(0,0,0,0.06);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 300;
    box-shadow: 0 -4px 18px rgba(8, 27, 51, 0.08);
  }

  .mobile-bottom-nav .mobile-nav-btn {
    background: transparent;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #172F3B;
    cursor: pointer;
    padding: 6px;
  }

  /* ensure main content has bottom padding so content isn't hidden */
  .main-section { padding-bottom: 92px; }
}

/* hide mobile nav on larger screens */
@media (min-width: 769px) {
  #mobileBottomNav { display: none; }
}

/* accessible hidden text */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }