/* Import google font */

@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&display=swap");

:root {
  --layoutBackground-color: #f4f7fd; /* Light Grey */
  --boardTitle-color: #ffffff; /* white */
  --SidebarBackground-color: #ffffff; /* white */
  --CardBackground-color: #ffffff; /* white */
  --btn-color: #635fc7; /* main purple */
  --btnHover-color: #4b47b7; /* secondary purple */
  --TODOicon-color: #49c4e5; /* light blue */
  --DOINGicon-color: #8471f2; /* purple */
  --DONEicon-color: #67e2ae; /* light green */
  --h4Text-color: #828fa3; /* medium Grey */
  --h2Text-color: #000112; /* black */
  --text-color: #000112; /* black */
  --btnText-color: #ffffff; /* white */
  --taskCloseBtn: red; /* red */
  --toggleThemeBackground-color: #f4f7fd; /* Light grey */
  --hideSidebarBtnBackground-color: #f4f7fd; /* Light grey */
}

/* Default Styling */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Plus Jakarta Sans", Arial, Helvetica, sans-serif;
  color: var(--text-color);
  background-color: var(--layoutBackground-color);
  width: 100%;
  min-height: 100vh;
}

.flex-wrapper {
  display: flex;
  flex-direction: row;
}

/* Navigation sidebar styling */

.kanban-sidebar {
  width: 18.75rem;
  height: 100vh;
  background-color: var(--SidebarBackground-color);
  border-right: 1px solid #e4ebfa;
}

.kanban-logo-div {
  margin: 33px 113px 54px 34px; /* Spacing around logo */
  display: flex;
  justify-content: flex-start;
}

.kanban-logo {
  width: 100%;
}

.kanban-nav-links {
  display: flex;
  flex-direction: column;
}

.allBoards-heading {
  font-weight: 700;
  font-size: 0.75rem;
  line-height: 100%;
  letter-spacing: 0.15rem;
  color: var(--h4Text-color);
  padding: 0 12px 0 50px;
}

.launchCareer-btn {
  width: 17.25rem;
  height: 3rem;
  border: none;
  border-top-right-radius: 6.25rem;
  border-bottom-right-radius: 6.25rem;
  background-color: var(--btn-color);
  font-family: "Plus Jakarta Sans";
  color: var(--btnText-color);
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 100%;
  margin: 0.0625rem 0;
  padding: 0;
  letter-spacing: 0;
  overflow: hidden;
}

/* btn hover effect */

.launchCareer-btn:hover {
  background-color: var(--btnHover-color);
  cursor: pointer;
}

/* Main layout styling */

.layout {
  flex: 1;
  overflow: hidden;
  width: 100%;
}

.column-header {
  width: 100%;
  height: 6rem;
  background-color: var(--boardTitle-color);
  border-bottom: 1px solid #e4ebfa;
  position: relative;
}

.column-heading {
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 100%;
  margin: 1px 0;
  letter-spacing: 0;
  padding-top: 2rem;
  padding-left: 2rem;
}

.menu-toggle {
  display: none;
}

/* task column styling */

.task-card {
  display: flex;
  flex-direction: column;
  padding-top: 1.25rem;
  padding-left: 2.1875rem;
  box-sizing: border-box;
}

.status-heading {
  display: inline-block;
  font-weight: 700;
  font-size: 0.75rem;
  line-height: 100%;
  margin: 0.0625rem 0;
  letter-spacing: 0.15rem;
  color: var(--h4Text-color);
  margin-bottom: 2rem;
}

main {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(3, minmax(0, 304px));
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 100%;
  margin: 0.0625rem 0;
  letter-spacing: 0;
}

.column-div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 0.75rem;
}

.card {
  display: flex;
  align-items: center;
  width: 100%;
  height: 3.75rem;
  border-radius: 0.5rem;
  padding-left: 0.9375rem;
  background-color: var(--CardBackground-color);
  box-shadow: 0 0.25rem 0.375rem 0 rgba(54, 78, 126, 0.1015);
  margin-bottom: 1.25rem;
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 100%;
  letter-spacing: 0;
  cursor: pointer;
}

/* Responsive design styling */

/* Tablet responsive */

@media screen and (max-width: 1023px) {
  .kanban-sidebar {
    display: none;
  }

  .kanban-logo-div {
    display: none;
  }

  .menu-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
  }

  .menu-toggle {
    display: block;
    width: 1.875rem;
    height: 1.875rem;
    margin-right: 0.625rem;
    cursor: pointer;
  }

  .launchCareer-btn {
    font-size: 0.8rem;
    padding-left: 0.9375rem;
    margin-right: 0.9375rem;
    font-weight: 700;
  }

  .task-card {
    padding: 0;
    width: 100%;
    align-items: center;
  }

  main {
    grid-template-columns: repeat(2, minmax(0, 360px));
    gap: 8px;
  }

  .column-header {
    height: 4rem;
    padding: 0 0.625rem 1.125rem;
    border: none;
    display: flex;
    align-items: center;
  }

  .kanban-logo-div {
    display: flex;
    align-items: center;
    margin: 0;
  }

  .column-heading {
    padding: 0;
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
  }

  .column-div {
    width: 100%;
  }

  /* ==== Button hidden on screens less than 1023px */

  .addTask-btn {
    display: none;
  }

  /* ==== Display mobile add task button on mobile screens */
  #mobileAddTask-btn {
    display: block;
  }
}

/* mobile smartphone responsive */

@media screen and (max-width: 576px) {
  main {
    grid-template-columns: minmax(0, 23.75rem);
  }

  .column-div {
    padding: 1.5rem;
  }

  /* stack Save + Delete button vertically */
  .modal-footer {
    flex-direction: column;
    gap: 8px;
  }

  .delete-btn {
    margin-right: 20px;
  }
}

/* Modal backdrop */
.modal {
  display: none; /* hidden by default */
  position: fixed;
  z-index: 1000;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
}

.modal.show {
  display: flex;
}

/* Modal box */
.modal-content {
  background-color: #fff;
  padding: 24px;
  border-radius: 12px;
  width: 90%;
  max-width: 420px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

/* Modal heading */
#modalTitle {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

/* Labels */
form label {
  font-weight: 700;
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
  display: block;
  color: #828fa3;
}

/* Inputs + textarea + select */
form input,
form textarea,
form select {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-weight: 500;
  margin-bottom: 12px;
  font-family: "Plus Jakarta Sans", Arial, Helvetica, sans-serif;
}

select {
  cursor: pointer;
}

input {
  font-size: 15px;
}

textarea {
  min-height: 80px;
  resize: vertical;
  font-size: 13px;
  line-height: 22px;
}

/* Save button */
.submit-btn {
  width: 100%;
  background: var(--btn-color);
  color: white;
  border: none;
  border-radius: 1.25rem;
  padding: 12px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.3s;
  margin-top: 10px;
  font-family: "Plus Jakarta Sans", Arial, Helvetica, sans-serif;
}

.submit-btn:hover {
  background: var(--btnHover-color);
}

/* Top right close button */
.close-btn {
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  color: var(--taskCloseBtn);
  position: absolute;
  top: 16px;
  right: 20px;
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ===== Add task button styling ===== */

.addTask-btn {
  background-color: var(--btn-color);
  color: var(--btnText-color);
  font-weight: 700;
  font-size: 13px;
  border: none;
  border-radius: 20px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.3s;
  position: absolute;
  right: 5%;
  bottom: 40%;
  font-family: "Plus Jakarta Sans", Arial, Helvetica, sans-serif;
}

.addTask-btn:hover {
  background-color: var(--btnHover-color);
}

/* ===== Mobile add task button styling ===== */

.addTaskMobile-btn {
  width: 2.0625rem;
  height: 2.0625rem;
  border: none;
  border-radius: 1.5rem;
  background-color: var(--btn-color);
  color: var(--btnText-color);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.3s;
  position: absolute;
  top: 15%;
  right: 5%;
  bottom: 40%;
  display: none;
}

/* Style all placeholders */
form input::placeholder,
form textarea::placeholder {
  color: #b2b6bb;
  font-size: 0.8125rem;
  font-family: "Plus Jakarta Sans", Arial, Helvetica, sans-serif;
  font-weight: 500;
}

/* ===== Delete task button styling ===== */

.delete-btn {
  width: 100%;
  background-color: #ea5555;
  color: white;
  border: none;
  border-radius: 1.25rem;
  padding: 12px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 10px;
  margin-left: 20px;
  display: none; /* default hidden, only in edit mode */
  transition: background 0.3s;
  font-family: "Plus Jakarta Sans", Arial, Helvetica, sans-serif;
}

.delete-btn:hover {
  background-color: #c0392b;
}

/* Theme Toggle Section */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--toggleThemeBackground-color);
  padding: 10px;
  border-radius: 6px;
  margin-left: 16px;
  margin-right: 25px;
  margin-top: 320px;
  margin-bottom: 20px;
}

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 40px;
  height: 20px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #635fc7;
  border-radius: 20px;
  transition: 0.4s;
}

.slider:before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background: white;
  border-radius: 50%;
  transition: 0.4s;
}

input:checked + .slider {
  background-color: #2b2c37;
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* Hide Sidebar Button */
.hide-sidebar-btn {
  width: 276px;
  height: 49.75px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: none;
  background-color: var(--hideSidebarBtnBackground-color);
  color: #635fc7;
  font-size: 15px;
  font-weight: 700;
  font-family: "Plus Jakarta Sans", Arial, Helvetica, sans-serif;
  padding: 12px;
  border-top-right-radius: 100px;
  border-bottom-right-radius: 100px;
  cursor: pointer;
  position: relative;
}

.hide-sidebar-btn:hover {
  background: #e4ebfa;
}

.hide-sidebar-btn img {
  position: absolute;
  left: 10%;
}

/* show Sidebar Button */

.show-sidebar-btn {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 56px;
  height: 48px;
  border-top-right-radius: 100px;
  border-bottom-right-radius: 100px;
  border: none;
  cursor: pointer;
  display: none;
}

.show-sidebar-btn:hover {
  background-color: #a8a4ff;
}

/* Theme Toggle (Dark/Light Mode) section */

/* Dark Mode */
body.dark {
  --layoutBackground-color: #20212c; /* Very Dark grey */
  --boardTitle-color: white; /* White */
  --SidebarBackground-color: #2b2c37; /* Dark grey */
  --CardBackground-color: #2b2c37; /* Dark grey */
  --btn-color: #635fc7; /* keep buttons same */
  --btnHover-color: #4b47b7;
  --TODOicon-color: #49c4e5;
  --DOINGicon-color: #8471f2;
  --DONEicon-color: #67e2ae;
  --h4Text-color: #828fa3; /* Medium grey */
  --h2Text-color: #ffffff;
  --text-color: #ffffff;
  --btnText-color: #ffffff;
  --toggleThemeBackground-color: #635fc7;
  --hideSidebarBtnBackground-color: #635fc7;

  body {
    background-color: var(--layoutBackground-color);
    color: var(--text-color);
  }

  .kanban-sidebar {
    background-color: var(--SidebarBackground-color);
  }

  .card {
    background-color: var(--CardBackground-color);
  }

  .column-header {
    background-color: var(--SidebarBackground-color);
  }

  .status-heading,
  .allBoards-heading {
    color: var(--h4Text-color);
  }

  .hide-sidebar-btn {
    color: var(--btnText-color);
  }

  .hide-sidebar-btn:hover {
    background-color: var(--btnHover-color);
  }

  .show-sidebar-btn {
    background-color: #92a0b3;
  }

  .show-sidebar-btn:hover {
    background-color: #828fa3;
  }
}

/* Dark Mode Modal */
body.dark .modal-content {
  background-color: #2b2c37; /* dark grey modal background */
  color: #ffffff; /* modal text white */
}

/* Priority styling */

.card {
  position: relative;
}

/* Priority dots */
.priority-label {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  vertical-align: middle;
}

/* Dot colors for priority */
.priority-label.low {
  background-color: #4caf50; /* green */
}

.priority-label.medium {
  background-color: #ff9800; /* orange */
}

.priority-label.high {
  background-color: #f44336; /* red */
}