html, body {
  overflow-x: hidden;
}

:root {
  --background: #1b1b1f;
  --newtask: #1e1e22;
  --board: #1d1d22;
  --todo: #18181b;
  --todohover: #26262b;
  --text: #ededf1;
  --a: #dddddd;
  --sidebar-bg: #a1a1a1;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: sans-serif;
  background-color: var(--background);
  -ms-overflow-style: none;
  scrollbar-width: none;
}
*::-webkit-scrollbar {
  display: none;
}

#sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: 50px;
  background-color: var(--sidebar-bg);
  overflow: visible;
  z-index: 100;
}

#theme-toggle {
  position: absolute;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 22px;
  background: transparent;
  color: var(--text);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  z-index: 10;
}

#github-btn {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 38px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--text);
}


#sidebar-add-btn {
  display: block;
  margin: 10px auto;
  width: 30px;
  height: 30px;
  border: none;
  background-color: var(--board);
  color: var(--text);
  font-size: 24px;
  border-radius: 8px;
  cursor: pointer;
}

#projects-list {
  background-color: var(--sidebar-bg);
}

.project-btn {
  display: block;
  margin: 10px auto;
  width: 40px;
  height: 40px;
  background-color: var(--board);
  color: var(--text);
  font-size: 14px;
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  line-height: 40px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  border: none;
}
.project-btn.active {
  border: 2px solid var(--text);
}

.project-btn-container {
  position: relative;
  width: 40px;
  margin: 10px auto;
  border-radius: 8px;
  overflow: visible;
}
.delete-project-btn {
  position: absolute;
  top: 0;
  right: -45px;
  width: 30px;
  height: 30px;
  background-color: var(--todohover);
  border: none;
  border-radius: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s;
  cursor: pointer;
}
.delete-project-btn svg {
  width: 16px;
  height: 16px;
  fill: red;
  background: none;
}
.project-btn-container:hover .delete-project-btn {
  opacity: 1;
}

.board {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  height: 100vh;
  margin-top: 200px;
  overflow: hidden;
  position: relative;
  margin-left: 60px;
}

#project-name-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#project-name-input-container {
  display: flex;
  gap: 8px;
  margin-bottom: 55px;
}

#project-name-input {
  padding: 8px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
  color: var(--text);
}

#project-name-create-btn {
  padding: 8px 16px;
  background-color: var(--text);
  color: var(--background);
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
#project-name-create-btn:hover {
  background-color: var(--text);
}

#project-name-display-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

#project-name-display {
  font-size: 55px;
  font-weight: bold;
  margin-bottom: 30px;
  color: var(--text);
}

#project-name-edit-btn {
  width: 18px;
  height: 18px;
  margin-bottom: 10px;
  fill: var(--text);
  border: none;
  cursor: pointer;
  background: none;
}
#project-name-edit-btn:hover {
  background-color: #e0a800;
}

.lanes {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  color: var(--text);
  padding: 24px 32px;
  overflow: auto;
  height: auto;
}

.heading {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 8px;
  background-color: var(--board);
  text-align: center;
}
.heading svg {
  width: 18px;
  margin-right: 5px;
  fill: var(--text);
  background: var(--board);
}

.lane-counter {
  font-weight: normal;
  font-size: 14px;
  color: var(--text);
}

.swim-lane {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--board);
  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.25);
  padding: 16px;
  border-radius: 8px;
  width: 300px;
  min-height: 0;
  flex-shrink: 0;
  position: relative;
}

.task {
  background: var(--todo);
  color: var(--text);
  box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.15);
  padding: 16px 30px 16px 16px;
  border-radius: 8px;
  font-size: 18px;
  cursor: move;
  position: relative;
  transition: 0.1s;
  animation: fadeIn 0.3s ease-in-out;
  transition: transform 0.2s, box-shadow 0.2s;
}

.is-dragging {
  scale: 1.1;
  box-shadow: 0px 8px 20px rgba(0, 0, 0, 0.3);
  color: var(--text);
}

.task-buttons {
  position: absolute;
  right: 10px;
  top: 8px;
  display: flex;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
  background-color: var(--todo);
}
.task:hover .task-buttons {
  opacity: 1;
}

.edit-btn,
.delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  fill: var(--text);
}
.edit-btn svg {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  background: none;
}
.delete-btn svg {
  width: 15px;
  height: 15px;
  background: none;
}
.edit-btn:hover svg {
  fill: #ffd700;
}
.delete-btn:hover svg {
  fill: red;
}

.add-task-btn {
  padding: 8px 16px;
  border: none;
  background-color: var(--board);
  color: var(--text);
  font-size: 14px;
  border-radius: 4px;
  cursor: pointer;
  margin-top: auto;
}
.add-task-btn:hover {
  background-color: var(--board);
  color: var(--text);
}

.inline-input {
  display: flex;
  align-items: center;
  margin-top: 10px;
}
.inline-input input {
  flex: 1;
  padding: 8px;
  margin-right: 10px;
  border: 1px solid #c5c5c5;
  border-radius: 4px;
  color: var(--text);
}
.inline-input button {
  padding: 8px 16px;
  background-color: #007bff; 
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.inline-input button:hover {
  background-color: #1888ff;
}

.edit-input {
  background: var(--todo);
  border: 1px solid var(--text);
  color: var(--text);
  padding: 4px;
  border-radius: 4px;
  width: calc(100% - 60px);
  font-size: inherit;
  cursor: text;
}

.task-content {
  display: inline-block;
  width: calc(100% - 40px);
  word-break: break-word;
  background: var(--todo);
}

@media (max-width: 768px) {
  .board {
    margin-top: 100px;
  }
  .lanes {
    flex-direction: column;
    padding: 10px;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
  }
  .swim-lane {
    width: 100%;
    margin-bottom: 20px;
    max-width: none;
  }
}

@media (max-width: 480px) {
  #project-name-display {
    font-size: 24px;
  }
  .swim-lane {
    padding: 10px;
  }
  .task {
    font-size: 14px;
    padding: 12px;
  }
}

/* Ripple Effect for Buttons */
button {
  position: relative;
  overflow: hidden;
}
button::after {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: scale(0);
  pointer-events: none;
  transition: transform 0.5s, opacity 1s;
}
button:active::after {
  transform: scale(4);
  opacity: 0;
}

/* Task Animation: Fade-in when added */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hover Animation for Project Buttons */
.project-btn:hover {
  transform: scale(1.05);
  transition: transform 0.2s;
}