body {
  margin: 0;
  padding: 0;
  background-color: #222;
  color: white;
  text-align: center;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #333;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  padding: 10px 20px;
  border-bottom: 2px solid #444;
  z-index: 1000;
  overflow: hidden;
}

.nav-left,
.nav-right {
  display: flex;
  gap: 10px;
}

.navbar button {
  background: linear-gradient(135deg, #444, #666);
  color: white;
  border: 1px solid #555;
  padding: 5px;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.navbar button:hover {
  background: linear-gradient(135deg, #666, #888);
  color: #fff;
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}

.navbar button:active {
  background: linear-gradient(135deg, #555, #777);
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.2);
  transform: translateY(0);
}

#main-content {
  padding-top: 75px;
}

#bookmark-filter,
#custom-filter {
  padding: 5px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

#bookmark-filter::placeholder,
#custom-filter::placeholder {
  text-align: center;
}

table {
  margin: auto;
  margin-top: 20px;
  width: 60%;
  border-collapse: collapse;
}

th,
td {
  border: 1px solid #888;
  padding: 10px;
  text-align: left;
  color: #eee;
}

th {
  background-color: #333;
  font-weight: bold;
}

tr:nth-child(even) {
  background-color: #444;
}

tr:nth-child(odd) {
  background-color: #555;
}

tr:hover {
  background-color: #666;
}

.delete {
  width: 0;
}

.delete-button {
  background: none;
  border: none;
  color: #ff4d4d;
  cursor: pointer;
  font-size: 18px;
}

.delete-button:hover {
  color: #ff1a1a;
}

#yourAnswer {
  width: 20vw;
  text-align: center;
}

#yourAnswer::placeholder {
  text-align: center;
}

#answer-tooltip,
#bookmark-tooltip {
  display: none;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  margin-top: 4vh;
  padding: 5px;
  border: none;
  border-radius: 5px;
  background-color: #4a90e2;
  color: white;
}

#solution {
  min-height: 5vh;
}

#add-bookmark-button,
#add-custom-button,
#create-custom-button {
  padding: 5px;
  border: none;
  border-radius: 5px;
  background-color: #4a90e2;
  color: white;
  cursor: pointer;
}

#add-bookmark-button {
  display: none;
  margin: 0 auto; 
}

#create-custom-button {
  margin-bottom: 10px; 
}

#add-bookmark-button,
#add-custom-button,
#create-custom-button {
  background-color: #0056b3;
}

#custom-layer {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

#custom-container {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 30vw;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  background-color: #444;
}

#custom-form input,
#add-custom-button {
  box-sizing: border-box;
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border: none;
  border-radius: 5px;
  background-color: #555;
}

#custom-form input.error {
  border: 2px solid red;
  background-color: #ffe6e6;
}

p.message {
  color:red;
}

#add-custom-button {
  background-color: #4a90e2;
  color: white;
  transition: background-color 0.3s;
  cursor: pointer;
}

#add-custom-button:hover {
  background-color: #0056b3;
}

#close-icon {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}

#close-icon:hover,
#close-icon:focus {
  color: #000;
  text-decoration: none;
}