/*======================== Global & Root Variables ======================== */
* {
  box-sizing: border-box; /* Ensures padding and border are included in total element size */
}
:root {
  --primary-color: #ffffff;
  --secondary-color: #f4f7fd;
  --primary-font-color: #000000;
  --secondary-font-color: #828fa3;
  --primary-btn-color: #635fc7;
  --primary-box-shadow: 0px 4px 6px rgba(54, 78, 126, 0.1015); /* Subtle shadow for card depth */
  --sidebar-width: 300px; /* Sidebar fixed width */ /* ================ Transition================ */
  --tran-02: all 0.2s ease;
  --tran-03: all 0.3s ease;
  --tran-04: all 0.4s ease;
  --tran-05: all 0.5s ease;
}

body.dark {
  --primary-color: #1e1e2f; /* Dark background (cards, headers, sidebar) */
  --secondary-color: #2b2c3a; /* Slightly lighter dark (page background) */
  --primary-font-color: #ffffff; /* Main text = white */
  --secondary-font-color: #b0b3c1; /* Muted grey text */
  --primary-btn-color: #635fc7; /* Accent button color (kept same) */
  --primary-box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.5); /* Stronger dark shadow */
  --sidebar-width: 300px;
}

body {
  background-color: var(--secondary-color);
  color: var(--primary-font-color);
  transition: var(--tran-02);
}

header,
.task-div,
.modal-window,
.side-bar {
  background-color: var(--primary-color);
  color: var(--primary-font-color);
}

/* ================ Base Elements ================ */
body {
  font-family: "Plus Jakarta Sans", sans-serif;
  display: flex; /* Allow layout to span horizontally */
  flex-direction: row;
  width: 100%;
  min-height: 100vh;
  margin: 0;
  background-color: var(--secondary-color);
  font-size: 1rem; /* Base font size for rem scaling */
  transition: var(--tran-02);
}

/* ================ Sidebar Layout ================ */
.side-bar {
  display: flex;
  flex-direction: column;
  background-color: var(--primary-color);
  border-right: 1px solid #e4ebfa; /* Light divider */
  width: var(--sidebar-width);
  height: 100vh;
  transition: var(--tran-05);
}
#side-logo-div {
  margin: 33px 113px 54px 34px; /* Spacing around logo */
  display: flex;
  justify-content: flex-start;
}
#logo {
  width: 100%; /* Make logo responsive within container */
}
.boards-nav-links-div {
  display: flex;
  flex-direction: column;
  color: var(--primary-font-color);
}
#headline-sidepanel {
  padding: 0 12px 0 50px; /* Aligns section content from left and right */
}
h4 {
  color: var(--secondary-font-color);
  font-size: 0.75rem;
  letter-spacing: 0.125rem; /* Makes heading more spaced */
}
.board-btn {
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 10px; /* Space between icon and text */
  background-color: var(--primary-btn-color);
  color: #fff;
  border: none;
  border-radius: 0 100px 100px 0; /* Pill shape only on right side */
  height: 48px;
  width: 276px;
  padding: 28px 12px 28px 50px;
  font-size: 0.9375rem;
  font-weight: bold;
  cursor: pointer;
  overflow: hidden; /* Prevents overflowed text/icons from showing */
}
.side-bar {
  display: flex;
  flex-direction: column;
  background-color: var(--primary-color);
  border-right: 1px solid #e4ebfa;
  width: var(--sidebar-width);
  height: 100vh;
}
.bottom-content {
  margin-top: auto; /* pushes it to the bottom */
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
}

.theme-toggle {
  display: flex;
  align-items: center; /* vertical center */
  justify-content: center; /* horizontal center */
  gap: 8px; /* space between icon and text */
  width: 100%; /* takes full width of sidebar/footer */
  height: 48px;
  border-radius: 6px;
  background: rgba(244, 247, 253, 1);
}

/* Toggle Switch Track */
.toggle-switch {
  position: relative;
  width: 50px;
  height: 26px;
  border-radius: 50px;
  background-color: #ffffff; /* default = white */
  border: 2px solid #635fc7; /* purple border */
  cursor: pointer;
  transition: background-color 0.3s, border 0.3s;
}

/* Theme Toggle Container */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

/* Toggle Switch Track */
.toggle-switch {
  position: relative;
  width: 50px;
  height: 26px;
  border-radius: 50px;
  background: var(--primary-btn-color); /* default = white */
  border: 2px solid var(--primary-btn-color); /* purple border */
  cursor: pointer;
  transition: background-color 0.3s, border 0.3s;
}

/* Toggle Knob */
.toggle-switch .switch {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  border-radius: 50%;
  top: 50%;
  left: 4px; /* default left for light mode */
  transform: translateY(-50%);
  background-color: #fff; /* purple knob */
  transition: left 0.3s, background-color 0.3s;
}

/* Dark Mode ON */
body.dark .toggle-switch {
  background-color: #635fc7; /* track turns purple */
  border: 2px solid #ffffff; /* white border */
}

body.dark .toggle-switch .switch {
  left: 28px; /* move knob to right */
  background-color: #ffffff; /* knob turns white */
}

.sidebar-mode {
  display: flex;
  align-items: center; /* vertically center items */
  justify-content: flex-start; /* align items to the left */
  width: 100%; /* full width of sidebar/footer */
  height: 48px;
  padding: 0 16px; /* spacing left/right */
  border-radius: 6px;
  background: rgba(244, 247, 253, 1);
  gap: 10px; /* space between icon and text */
  white-space: nowrap; /* prevent text from wrapping */
  overflow: hidden; /* hide overflow if too long */
  text-overflow: ellipsis;
}

#sun-icon {
  height: 30px;
  width: 30px;
  display: flex;
  align-items: center;
}
#moon-icon {
  height: 30px;
  width: 30px;
  display: flex;
  align-items: center;
}

.theme-icon {
  height: 30px;
  width: 30px;
  display: flex;
  align-items: center;
}

.hide-sidebar-text-span {
  color: var(--primary-btn-color);
  height: 30px;
  width: 30px;
  align-items: center;
}

/* =============== Main Layout ================ */
#layout {
  flex: 1; /* Fills remaining space beside sidebar */
  overflow-x: hidden; /* Prevent horizontal scroll */
  width: 100%;
} /* =============== Header Section ================ */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--primary-color);
  color: var(--primary-font-color);
  height: 96px;
  padding: 0 35px 0 30px;
  border-bottom: 1px solid #e4ebfa;
  width: 100%;
  font-size: 1.875rem;
  font-weight: 600;
}
.header-name-div {
  display: flex;
  align-items: center;
}
.logo-mobile {
  display: none; /* Hidden on desktop; shown on smaller screens */
} /* =============== Board Columns ================ */
.container {
  display: flex;
  flex-direction: column;
  padding-left: 35px;
  box-sizing: border-box;
}
.card-column-main {
  display: grid;
  grid-template-columns: repeat(
    3,
    minmax(0, 304px)
  ); /* 3 columns with min size */
  gap: 8px; /* Space between columns */
}
.column-div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 12px;
}
.column-head-div {
  display: flex;
  align-items: center;
  gap: 10px; /* Space between dot and column title */
}
.columnHeader {
  font-size: 0.75rem;
  letter-spacing: 0.125rem;
  color: var(--secondary-font-color);
  margin: 0;
} /* Status Dots */
.dot {
  height: 15px;
  width: 15px;
  border-radius: 50%; /* Make it circular */
  display: inline-block;
}
#todo-dot {
  background-color: #49c4e5;
}
#doing-dot {
  background-color: #8471f2;
}
#done-dot {
  background-color: #219c90;
} /* =============== Task Cards ================ */
.tasks-container {
  display: flex;
  flex-direction: column;
}
.task-div {
  display: flex;
  align-items: center;
  padding-left: 15px;
  width: 100%;
  height: 60px;
  background-color: var(--primary-color);
  color: var(--primary-font-color);
  border-radius: 12px;
  box-shadow: var(--primary-box-shadow);
  cursor: pointer; /* Indicate it's clickable */
  margin-bottom: 20px;
  font-size: 0.9375rem;
  font-weight: bold;
} /* =============== Headings ================ */
h2 {
  font-size: 1.5rem;
  margin: 0;
} /* =============== Modal Styles ================ */ /* Remove default dialog styles */
dialog {
  position: fixed;
  border: none;
  padding: 0;
  margin: 0;
  background: none;
} /* Style the modal box */
#task-modal::backdrop {
  background: rgba(0, 0, 0, 0.3);
}
#task-modal {
  top: 40%;
  left: 50%;
  transform: translate(-50%, -40%);
  border-radius: 8px;
  width: 90%;
  max-width: 600px;
  padding: 24px;
  background-color: #fff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); /*font-family: "Plus Jakarta Sans", sans-serif;*/
} /* Header */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h3 {
  margin: 0;
  font-size: 1.125rem;
}
.close-btn {
  background: none;
  border: none;
  font-size: 2.5rem;
  line-height: 1;
  cursor: pointer;
  color: #ea5555;
  transition: transform 0.2s ease-in-out, font-weight 0.2s ease-in-out;
  transition-delay: 0.1s; /* Delay before scaling */
}
.close-btn:hover {
  transform: scale(1.15);
  font-weight: 600;
}
.close-btn:focus {
  outline: none;
} /* Form elements */
form label {
  display: block;
  font-weight: 600;
  font-size: 0.75rem;
  margin-top: 12px;
  margin-bottom: 4px;
  color: #828fa3;
}
form input,
form textarea,
form select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #828fa3;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.8125em;
  resize: vertical;
}
form select {
  appearance: none; /* Remove native arrow */
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="%23828FA3" stroke-width="3" viewBox="0 0 24 24"><path d="M6 9l6 6 6-6"/></svg>')
    no-repeat right 0.75rem center;
  background-size: 1.4rem;
  padding-right: 1rem;
}
#add-new-task-btn {
  background-color: var(--primary-btn-color);
  color: white;
  border-radius: 30px;
  border: 0;
  font-size: 16px;
  padding: 18px;
  padding-left: 35px;
  padding-right: 35px;
  font-weight: 600;
  cursor: pointer;
  margin-right: 20px;
} /* New Task Modal Window */
.modal-window {
  /* border: 5px solid red; */
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  gap: 20px;
  background-color: var(--primary-color);
  font-weight: 500;
  font-size: 14px;
  border-radius: 10px;
  z-index: 3;
  transition: all 0.3s ease-in;
}
.submit-btn {
  background-color: var(--primary-btn-color);
  color: white;
  border-radius: 30px;
  border: 0;
  font-size: 16px;
  padding: 14px;
  padding-left: 35px;
  padding-right: 35px;
  font-weight: 600;
  cursor: pointer;
  flex-grow: 1; /* Allows the button to grow and fill the space */
  margin: 5px 0; /* Optional: adds a margin between buttons */
}
textarea {
  font-size: 16px;
  color: black;
  height: 90px;
  padding: 10px;
  border-radius: 4px;
  resize: vertical;
} /* ======================== Responsive Styles ======================== */ /******** Tablets ********/
@media screen and (max-width: 1023px) {
  .side-bar {
    display: none; /* Hide sidebar on tablets and smaller */
  }
  .side-bar.show-sidebar {
    display: flex !important;
    position: fixed; /* Overlay on top of page */
    height: auto;
  }
  #side-logo-div {
    display: none;
  }
  .logo-mobile {
    display: block;
    width: 30px;
    height: 30px;
    margin-right: 10px;
  }
  body {
    font-size: 0.8rem;
  }
  .board-btn {
    font-size: 0.8rem;
    padding-left: 15px;
    margin-right: 15px;
    font-weight: 700;
  }
  .container {
    padding: 0;
    width: 100%;
    align-items: center; /* Center columns on smaller screens */
  }
  .card-column-main {
    grid-template-columns: repeat(2, minmax(0, 360px));
    gap: 8px;
  }
  header {
    height: 64px;
    padding: 0 10px 0 18px;
    border: none;
  }
  #header-board-name {
    font-size: 1rem;
  }
  .task-div {
    width: 100%;
  }
  .columnHeader {
    font-size: 0.75rem;
  }
  .dot {
    height: 8px;
    width: 8px;
  }
  .column-head-div {
    gap: 8px;
  }
  .column-div {
    width: 100%;
  }
} /******** Mobile ********/
@media screen and (max-width: 576px) {
  .card-column-main {
    grid-template-columns: minmax(
      0,
      380px
    ); /* Stack columns in single column */
  }
  .column-div {
    padding: 24px;
  }
  #add-new-task-btn {
    font-size: 0;
    padding: 12px;
  }
  #add-new-task-btn::before {
    content: "+";
    font-size: 18px;
    font-weight: 800;
    padding-left: 14px;
    padding-right: 14px;
    padding-top: 0;
    padding-bottom: 0;
  }
}