:root {
  /* Theme Variables */
  --hw-primary: #5C71F2;
  --hw-primary-light: #7A8DF7;
  --hw-teal:    #66D8E1;
  --hw-purple:  #B0B0F9;
  --hw-black:   #242424;
  --hw-white:   #FFFFFF;
  --hw-neutral: #F2F2F2;
  --hw-primary-tint-5:  #EFF1FE;
  --hw-primary-tint-10: #DDE1FC;
  --hw-primary-tint-15: #BDC6F9;
}

/* Base Styles */
body {
  background-color: var(--hw-neutral);
  color: var(--hw-black);
  font-family: sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

/* Layout: Sidebar */
#sidebar {
  position: fixed;
  top: 51px;
  bottom: 0;
  left: 0;
  width: 250px;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  background: var(--hw-white);
  box-shadow: 2px 0 5px rgba(0,0,0,0.3);
  z-index: 1002;
  overflow-y: auto;
  overscroll-behavior: contain;
}
#sidebar.open {
  transform: translateX(0);
}
/* Controls: Sidebar Toggle */
#sidebar-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 105px;
  left: -2px;
  width: 10px;
  height: 30px;
  background: var(--hw-purple);
  color: var(--hw-white);
  font-size: 1rem;
  box-shadow: 2px 0 5px rgba(0,0,0,0.1);

  border: none;
  border-radius: 0 20px 20px 0;
  cursor: pointer;
  transform: translateY(-50%);
  transition: transform 0.3s ease, left 0.3s ease;
  z-index: 1003;
}
#sidebar.open ~ #sidebar-toggle {
  transform: translateY(-50%) rotate(180deg);
  left: 224px;
}
/* Components: Sidebar Nav */
/* Sidebar Nav List and Spacing/Indentation/Truncation */
.sidebar-nav ul {
  list-style: none;
  padding-left: 10px;
  margin: 0;
}
.sidebar-nav ul ul {
  padding-left: 2ch;
  margin: 0;
}
.sidebar-nav ul ul ul {
  padding-left: 2ch;
  margin: 0;
}
.sidebar-nav li {
  margin: 0.125rem 0;
}
.sidebar-nav a {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.sidebar-nav a {
  display: block;
  padding: 0.25rem;
  color: var(--hw-primary);
  text-decoration: none;
  border-radius: 4px;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: var(--hw-primary-tint-5);
}

/* Highlight core sidebar items and separate from outline */

/* Make the static nav block sticky */
.sidebar-nav .static-container {
  position: sticky;
  top: 0;
  background: var(--hw-white);
  z-index: 1002;
}

.sidebar-nav .static-container hr {
  border: 0;
  height: 2px;
  background: var(--hw-primary-light);
  margin: 0.5rem 1rem;       /* adds 1rem padding on left & right */
  width: calc(100% - 2rem);
}

.sidebar-nav .static-container {
  padding-top: 1rem;
}


/* Layout: JSON Preview Panel */
#json-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  height: 100%;
  transform: translateX(100%);       /* hide off-screen */
  transition: transform 0.3s ease;
  background-color: var(--hw-neutral);
  border-left: 1px solid #ccc;
  box-shadow: -2px 0 5px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  overflow-y: auto;
  padding: 1rem;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Layout: JSON Panel States */
#json-panel.open {
  transform: translateX(0);
}

/* Controls: JSON Panel Toggle */
#json-toggle {
  position: fixed;
  top: 90px;
  right: -2px;
  background-color: var(--hw-teal);
  border: none;
  box-shadow: 0px 0 5px rgba(0,0,0,0.1);
  padding: 8px 8px;
  cursor: pointer;
  z-index: 1001;
  border-radius: 20px 0 0 20px;
  transition: right 0.3s ease;
}

/* Controls: JSON Panel Toggle (Open State) */
#json-panel.open + #json-toggle {
  right: 430px;
}

/* Layout: Fixed Header */
.fixed-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background-color: var(--hw-primary);
  border-bottom: 1px solid var(--hw-primary);
  z-index: 1000;
}
.fixed-header .header-title,
.fixed-header button,
.fixed-header input[type="file"] {
  color: var(--hw-white);
}

.header-text {
  padding-left: 10px;
  letter-spacing: 0.05em;
  font-weight: 600;
  text-transform: uppercase;
}

.header-controls > * {
  margin-left: 0.5rem;
}

/* Components: Header Buttons */
.fixed-header button {
  background-color: var(--hw-white) !important;
  color: var(--hw-primary) !important;
  border: 1px solid var(--hw-white) !important;
}
.fixed-header button:hover {
  background-color: var(--hw-neutral) !important;
  border-color: var(--hw-white) !important;
}

/* Layout: Main Content Spacing */
.main-content {
  margin-top: 3rem;
  margin-left: 0.5rem;
  margin-right: 0.5rem;
}

/* Forms: Custom File Upload */
.custom-file-upload {
  line-height: normal;
  padding: 6px 12px;
  margin: 2px;
  border: 1px solid var(--hw-white) !important;
  border-radius: 4px;
  background-color: var(--hw-white) !important;
  color: var(--hw-primary) !important;
  cursor: pointer;
  font: inherit;
  font-size: 13.5px;
  box-sizing: border-box;
  transition: background-color 0.2s, border-color 0.2s;
  vertical-align: middle;
}
.custom-file-upload:hover {
  background-color: var(--hw-neutral) !important;
  border-color: var(--hw-white) !important;
}
.custom-file-upload input[type="file"] {
  display: none;
}

/* Forms: Hide Native File Input Text */
input[type="file"] {
  display: none !important;
}

/* Components: Global Buttons */
button {
  padding: 6px 12px;
  margin: 2px;
  border: 1px solid var(--hw-primary-light);
  border-radius: 4px;
  background-color: var(--hw-primary-light);
  color: var(--hw-white);
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}
button:hover {
  background-color: var(--hw-purple);
  border-color: var(--hw-purple);
}
button:disabled {
  background-color: #ccc;
  border-color: #ccc;
  color: var(--hw-white);
  opacity: 0.6;
  cursor: not-allowed;
}

/* Components: Cards & Field Groups */
.card, .field-group {
  background-color: var(--hw-white);
}

/* Form Elements: Inputs, Selects, Textareas */
input, select, textarea {
  border: 1px solid #ccc;
  background-color: var(--hw-white);
  color: var(--hw-black);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--hw-teal);
}

/* Components: Tag Items */
.tag-list { display: flex; flex-wrap: wrap; gap: 5px; }
.tag-item {
  display: flex;
  align-items: center;
  background-color: var(--hw-teal);
  color: var(--hw-black);
  border-radius: 12px;
  padding: 2px 6px;
}
.tag-item button {
  background: transparent;
  color: var(--hw-black);
  border: none;
}

/* Layout Utilities: Field Group Grid */
.field-group {
  display: grid;
  grid-template-columns: 120px 1fr;
  column-gap: 8px;
  align-items: center;
}
/* Component List Grid Layout */
.component-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  column-gap: 8px;
  align-items: center;
  padding: 4px 0;
}

/* Remove List Bullets */
.component-list {
  list-style: none;
  padding: 0;
}

/* Move/Delete Buttons Placement */
.component-list li > .move-btn {
  grid-column: 2;
  justify-self: start;
}

/* Inner Field Group Display */
.component-list li .field-group {
  grid-column: 1 / span 2;
  display: contents;
}

/* Add Button Positioning */
.field-group > button {
  grid-column: 2;
  justify-self: start;
}

/* Context & Requirement Lists */
.requirements-list,
.member-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Context Entry Grid Layout */
.requirements-list li,
.member-list > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  column-gap: 8px;
  align-items: center;
  padding: 4px 0;
}

/* Move/Delete Buttons Placement */
.requirements-list li > .move-btn,
.member-list > div > button {
  grid-column: 2;
  justify-self: start;
}

/* Inner Field Group Display */
.requirements-list li .field-group,
.member-list > div .field-group {
  grid-column: 1 / span 2;
  display: contents;
}

/* Add Button Positioning */
.field-group > .requirements-list + button,
.field-group > .member-list + button {
  grid-column: 2;
  justify-self: start;
  margin-top: 8px;
}
/* Label Alignment */
.field-group > label {
  grid-column: 1;
  justify-self: end;
  text-align: right;
  font-weight: 500;
}

/* Form Control Alignment */
.field-group > input,
.field-group > select,
.field-group > textarea,
.field-group > div > input[type="checkbox"] {
  grid-column: 2;
  justify-self: start;
}
.field-group input,
.field-group select,
.field-group textarea {
  flex: 1;
  padding: 4px 6px;
  border-radius: 3px;
  box-sizing: border-box;
}
.field-group textarea {
  resize: vertical;
}
.field-group textarea {
  width: 100%;
  flex: 1 1 100%;
  box-sizing: border-box;
}

.section-list {
  margin-left: 0px;
}

.requirements-list, .step-list { margin-left: 10px; margin-bottom: 8px; }
.section-item, .rubric-item, .step-item { background: #f9f9f9; margin-bottom: 8px; padding: 8px; border-radius: 4px; }
.move-btn { margin: 0 2px; }

/* Card Styling */
.card {
  border: 1px solid #ccc;
  border-radius: 4px;
  margin: 8px 0;
  padding: 8px;
}
/* Nested Card Indentation */
.step-item.card > .block-group-item.card {
  margin-left: 20px !important;
  width: calc(100% - 20px) !important;
}
.block-group-item.card > .block-item.card {
  margin-left: 20px !important;
  width: calc(100% - 20px) !important;
}
.block-item.card .question-item.card,
.block-item.card .choice-item.card,
.block-item.card .explanation-item.card {
  margin-left: 20px !important;
  width: calc(100% - 20px) !important;
}



.card-body {
  padding: 8px;
}

.hidden { display: none; }

/* Responsive Layout */
@media (max-width: 600px) {
  .field-group {
    flex-direction: column;
    align-items: stretch;
  }
  .field-group label {
    text-align: left;
    margin-bottom: 4px;
    width: auto;
  }
}

/* Nested Container Layout */
.question-container,
.choices-container,
.explanation-container,
.artifact-rows {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding-left: 20px;
}

/* Compact Remove Buttons */
.requirements-list li button[type="button"],
.member-list > div button[type="button"] {
  flex: 0 0 auto;
  width: 2ch;
  padding: 4px;
  font-size: 1rem;
}

/* Checkpoint Subcard Textareas */
.question-item.card .field-group > textarea,
.choice-item.card .field-group > textarea,
.explanation-item.card .field-group > textarea {
  width: 100% !important;
  box-sizing: border-box;
}
.question-item,
.choice-item,
.explanation-item,
.artifact-row,
.artifact-item {
  width: 100%;
}

/* Add Button Sizing */
.question-container > button,
.choices-container > button,
.explanation-container > button {
  align-self: flex-start;
  width: auto;
}

/* Compact Field Widths */
#course-name,
#course-title,
#media-url,
#language,
.section-item .field-group input,
.section-item .field-group select,
.step-item .field-group input,
.step-item .field-group select {
  flex: 0 0 30ch !important;
  max-width: 30ch;
}

/* Vertical Stack for Type Fields */
.field-group.type-fields {
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
}
/* Make each sub-field-group in type-fields full width */
.field-group.type-fields > .field-group {
  width: 100%;
}

/* Question Builder Layout */
.field-group.qb-fields {
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
}
/* Ensure each nested field-group under qb-fields spans the full width */
.field-group.qb-fields > .field-group {
  width: 100% !important;
}

/* Baseline Alignment Support */
.field-group.align-baseline {
  align-items: baseline !important;
}

/* Hierarchy Tinting */
.section-group-item.card {
  background-color: var(--hw-neutral);
}

.section-item.card {
  background-color: var(--hw-primary-tint-5);
}
.step-item.card {
  background-color: var(--hw-primary-tint-10);
}
.block-group-item.card {
  background-color: var(--hw-primary-tint-15);
}
.block-item.card {
  background-color: var(--hw-white);
}

/* Transparent Primary Fields */
.step-item.card > .card-body > .field-group,
.section-group-item.card > .card-body > .field-group:first-child,
.section-item.card > .field-group, .rubric-item {
  background-color: transparent;
}

/* Reaffirm List Styling for Requirements & Members */
.requirements-list,
.member-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Make the context list and member list align under the input column */
.field-group > .requirements-list,
.field-group > .member-list {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Each context entry mirrors component entry grid */
.requirements-list li,
.member-list > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  column-gap: 8px;
  align-items: center;
}

/* Context Type and Title fields align in grid */
.requirements-list li > .field-group,
.member-list > div > .field-group {
  grid-column: 1 / span 2;
  display: contents;
}

/* Member Dropdown Width */
.member-list > div > select {
  min-width: 20ch !important;
  max-width: 20ch !important;
}

/* Remove Button Placement */
.member-list > div > button {
  grid-column: 2;
  justify-self: start;
  width: 2ch !important;
  padding: 4px !important;
  font-size: 1rem !important;
  margin-left: 4px;
}

/* Add Activity Button Layout */
.member-list > button {
  grid-column: 2;
  justify-self: start;
  margin-top: 8px;
  min-width: 140px;
  font-size: 1rem !important;
  display: inline-block;
}

/* Base Typography */

/* Box Shadows & Border Radii */
.card {
  border-radius: 4px;
  padding: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}
.field-group {
  border-radius: 4px;
  padding: 4px 0;
}

/* Hover States for Lists */
.component-list li:hover,
.requirements-list li:hover {
  background-color: rgba(0, 0, 0, 0.02);
}

/* Card Header Interaction */
.card-header {
  cursor: pointer;
}

/* Active Card Highlight */
.active-card {
  border: 2px solid var(--hw-teal);
}

/* Drag Handle Styling */
.drag-handle {
  cursor: grab;
  color: var(--hw-primary);
  padding: 0 6px;
  font-size: 1.2em;
  user-select: none;
  display: inline-block;
  vertical-align: middle;
}

/* Rubric Requirement Layout */
/* Rubric requirements: 4-column, 3-row grid for label/input/audio/url/delete */
.requirements-list li {
  display: grid;
  grid-template-columns: auto 120px 1fr auto;
  grid-template-rows: auto auto auto;
  column-gap: 8px;
  row-gap: 4px;
  align-items: center;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px;
}

/* Dragula Mirror Styling */
.gu-mirror {
  list-style: none !important;
}

/* in case it’s recreating a UL/LI structure */
.gu-mirror li {
  list-style: none !important;
}

/* Rubric Grid Placement Rules */
/* Text row */
.requirements-list li > .text-label {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
}
.requirements-list li > input[type="text"]:not(.url-input) {
  grid-column: 3;
  grid-row: 1;
  width: 100%;
  box-sizing: border-box;
}
.requirements-list li > .delete-req {
  grid-column: 4;
  grid-row: 1;
  justify-self: start;
}

/* Include Audio row */
.requirements-list li > .audio-label {
  grid-column: 2;
  grid-row: 2;
  justify-self: end;
}
.requirements-list li > .audio-checkbox {
  grid-column: 3;
  grid-row: 2;
  justify-self: start;
}

/* Audio URL row */
.requirements-list li > .url-label {
  grid-column: 2;
  grid-row: 3;
  justify-self: end;
}
.requirements-list li > .url-input {
  grid-column: 3;
  grid-row: 3;
  width: 100%;
  box-sizing: border-box;
}

/* Card Header Typography */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--hw-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  line-height: 1.4;
  padding: 0.25rem 0.5rem;
  margin-bottom: 0.5rem;
  box-shadow: 0 1px rgba(0,0,0,0.05);
  cursor: pointer;
}

/* File name display next to Import button */
.file-name {
  margin-left: 8px;
  line-height: 32px;
}

/* Transparent background for Group-level Teacher Only */
.section-group-item.card .field-group.align-baseline {
  background-color: transparent;
}

/* Sticky Hierarchical Headers */
.group-header.sticky {
  position: sticky;
  top: 3.0rem; /* fixed header height */
  background-color: var(--hw-neutral);
  z-index: 910;
}

.section-header.sticky {
  position: sticky;
  top: 5.3rem; /* 3.5rem + 2.5rem (Group header) */
  background-color: var(--hw-primary-tint-5);
  z-index: 900;
}

.step-header.sticky {
  position: sticky;
  top: 7.6rem; /* 6rem + 2.5rem (Section header) */
  background-color: var(--hw-primary-tint-10);
  z-index: 890;
}

.blockgroup-header.sticky {
  position: sticky;
  top: 9.9rem; /* 8.5rem + 2.5rem (Step header) */
  background-color: var(--hw-primary-tint-15);
  z-index: 880;
}
.sidebar-nav ul ul ul > li > a::before {
  content: '\25CF';       /* Unicode black circle */
  display: inline-block;
  font-size: 0.6em;        /* smaller than text */
  margin-right: 0.5ch;
  vertical-align: middle;
  color: var(--hw-primary);
}
.sidebar-nav .static-container ul li a {
  font-weight: 600;
}