/* css/styles.css */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --apple-bg: #f5f5f7;
  --apple-text: #1d1d1f;
  --apple-text-secondary: #86868b;
  --apple-accent: #0066cc;
  --apple-accent-hover: #0077ed;
  --apple-accent-active: #004499;
  --apple-border: #d2d2d7;
  --apple-card-bg: #ffffff;
  --apple-font: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --apple-solid-green: #248a3d;
  --apple-tint-green-bg: #e6f4ea;
  --apple-tint-green-text: #137333;

  /* Bootstrap Overrides */
  --bs-body-bg: var(--apple-bg);
  --bs-body-color: var(--apple-text);
  --bs-body-font-family: var(--apple-font);
  --bs-primary: var(--apple-accent);
  --bs-primary-rgb: 0, 102, 204;
  --bs-border-color: var(--apple-border);
}

body {
  background-color: var(--apple-bg) !important;
  color: var(--apple-text) !important;
  font-family: var(--apple-font) !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Card Overrides */
.card {
  background-color: var(--apple-card-bg) !important;
  border: 1px solid var(--apple-border) !important;
  border-radius: 12px !important;
  box-shadow: none !important;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

/* Button Overrides */
.btn-primary {
  background-color: var(--apple-accent) !important;
  border: none !important;
  border-radius: 8px !important;
  color: #ffffff !important;
  font-weight: 500;
  padding: 10px 20px;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--apple-accent-hover) !important;
  box-shadow: none !important;
}

.btn-primary:active {
  background-color: var(--apple-accent-active) !important;
  transform: scale(0.98);
}

/* Text elements */
.text-muted,
.text-secondary {
  color: var(--apple-text-secondary) !important;
}

/* Custom form elements styled cleanly */
.form-control,
.form-select {
  border: 1px solid var(--apple-border) !important;
  border-radius: 8px !important;
  background-color: var(--apple-bg) !important;
  color: var(--apple-text) !important;
  font-family: var(--apple-font) !important;
  font-size: 14px;
  padding: 12px 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--apple-accent) !important;
  background-color: var(--apple-card-bg) !important;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15) !important;
  outline: none;
}

/* Institutional integration panel overrides */
.integration-card {
  border-top: 1px solid var(--apple-border);
  padding-top: 24px;
  margin-top: 24px;
}

.brand-header {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--apple-text);
  margin-bottom: 24px;
}

/* Custom container styling for Apple workspace */
.login-container {
  max-width: 420px;
  margin: 80px auto;
  padding: 20px;
}

/* Alert formatting matching Apple aesthetics */
.alert-apple {
  background-color: #fff2f2;
  border: 1px solid #ffcccc;
  color: #cc0000;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}

.alert-apple.alert-success-custom {
  background-color: #f2fff2;
  border: 1px solid #ccffcc;
  color: #008800;
}

/* Dashboard Apple Navigation Bar */
.apple-navbar {
  background-color: #1d1d1f !important;
  border-bottom: 1px solid #333336 !important;
  padding: 12px 24px !important;
}

.apple-navbar .navbar-brand {
  font-weight: 600;
  letter-spacing: -0.5px;
  color: #f5f5f7 !important;
}

.apple-navbar .nav-link,
.apple-navbar .navbar-text {
  color: #86868b !important;
  font-size: 14px;
}

.apple-navbar .nav-link:hover {
  color: #f5f5f7 !important;
}

/* Sub-header Context Statistics */
.apple-subheader {
  background-color: #ffffff;
  border-bottom: 1px solid var(--apple-border);
  padding: 16px 24px;
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--apple-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.stat-value {
  font-size: 20px;
  font-weight: 500;
  color: var(--apple-text);
  margin-top: 4px;
}

/* Secondary Button Custom Styling (Apple outline style) */
.btn-secondary-apple {
  background-color: transparent !important;
  border: 1px solid var(--apple-border) !important;
  border-radius: 8px !important;
  color: var(--apple-text) !important;
  font-weight: 500;
  padding: 10px 20px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-secondary-apple:hover {
  background-color: #f5f5f7 !important;
  border-color: #86868b !important;
  color: var(--apple-text) !important;
}

/* Apple Table Styles */
.table-apple {
  margin-bottom: 0 !important;
}

.table-apple th {
  font-size: 11px;
  font-weight: 600;
  color: var(--apple-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 1px solid var(--apple-border) !important;
  padding: 16px !important;
  background-color: #fafafa;
}

.table-apple td {
  font-size: 14px;
  color: var(--apple-text);
  padding: 16px !important;
  vertical-align: middle;
  border-bottom: 1px solid #f0f0f2 !important;
}

.table-apple tr:last-child td {
  border-bottom: none !important;
}

/* Workspace selector dropdown specific styling override */
.workspace-selector {
  background-color: #2d2d2f !important;
  border: 1px solid #424245 !important;
  color: #f5f5f7 !important;
  border-radius: 6px !important;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s ease;
}

.workspace-selector:focus {
  border-color: var(--apple-accent) !important;
}

/* Minimalist Modal Styling overrides */
.modal-content {
  border: 1px solid var(--apple-border) !important;
  border-radius: 14px !important;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08) !important;
  background-color: #ffffff !important;
}

.modal-header {
  border-bottom: 1px solid var(--apple-border) !important;
  padding: 24px 24px 16px 24px !important;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--apple-text);
}

.modal-body {
  padding: 24px !important;
}

.modal-footer {
  border-top: 1px solid var(--apple-border) !important;
  padding: 16px 24px 24px 24px !important;
}

/* Sync badges */
.badge-sync {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 12px;
  display: inline-block;
}

.badge-synced {
  background-color: #e3f9e5;
  color: #1b5e20;
}

.badge-pending {
  background-color: #fff3e0;
  color: #e65100;
}

/* Phase 3 Authoring Canvas & Master Bank Styles */
.badge-context {
  background-color: #e8e8ed;
  color: var(--apple-text);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 12px;
}

.badge-purpose {
  background-color: #e3f2fd;
  color: var(--apple-accent);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 12px;
}

.question-card {
  background-color: #ffffff;
  border: 1px solid var(--apple-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.question-card:hover {
  border-color: #86868b;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.question-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.question-type-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: #fafafa;
  border: 1px solid var(--apple-border);
  color: var(--apple-text-secondary);
  padding: 2px 6px;
  border-radius: 4px;
}

.learning-objective-tag {
  font-size: 11px;
  color: var(--apple-accent);
  font-family: monospace;
  background-color: #f0f7ff;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
}

.points-badge {
  font-size: 12px;
  color: var(--apple-text-secondary);
  font-weight: 500;
}

.master-bank-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 380px;
    height: 100vh;
    background: #ffffff;
    box-shadow: -2px 0 12px rgba(0,0,0,0.08);
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 9999 !important; /* Forces the drawer completely above placement borders */
}
/* Trigger state class to slide panel completely off-screen from left to right */
.master-bank-drawer.collapsed {
    transform: translateX(100%);
}

.editor-workspace-wrapper {
    display: flex;
    width: 100%;
    overflow-x: hidden;
    position: relative;
}

.repo-canvas-column {
    flex: 1;
    transition: margin-right 0.3s cubic-bezier(0.25, 1, 0.5, 1), width 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

/* When the master bank drawer is active and open (NOT collapsed), apply a workspace compression class modifier */
.editor-workspace-wrapper.bank-open .repo-canvas-column {
    margin-right: 380px; /* Comfortably shifts the canvas layout over by the exact width of the sidebar drawer */
}

.drawer-toggle-handle {
    position: absolute;
    top: 50%;
    left: -40px;
    transform: translateY(-50%);
    width: 40px;
    height: 150px;
    background: #ffffff;
    border: 1px solid var(--apple-border);
    border-right: none;
    border-radius: 10px 0 0 10px;
    box-shadow: -4px 0 10px rgba(0,0,0,0.05);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 0;
    outline: none;
    transition: background-color 0.2s ease;
}

.drawer-toggle-handle:hover {
    background-color: #f5f5f7;
}

.drawer-toggle-handle .handle-icon {
    font-size: 16px;
    transition: transform 0.3s ease;
}

.drawer-toggle-handle .handle-text {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 11px;
    font-weight: 500;
    color: #1d1d1f;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Custom scrollbar container aesthetics */
.master-bank-scroll-container::-webkit-scrollbar {
    width: 6px;
}
.master-bank-scroll-container::-webkit-scrollbar-track {
    background: transparent;
}
.master-bank-scroll-container::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: 10px;
}
.master-bank-scroll-container::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.3);
}
/* Firefox fallback */
.master-bank-scroll-container {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.15) transparent;
}

/* Meta row alignment spacing adjustments */
.bank-card-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    margin-bottom: 12px;
    gap: 8px;
}

.bank-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.bank-card-admin-actions {
    display: flex;
    gap: 8px;
    white-space: nowrap; /* Prevents text links from breaking onto two rows */
}

/* Clear, top-bordered action footer bar layer */
.bank-card-action-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid #e5e5e7; /* Clean divider line to separate structural data fields */
    margin-top: 10px;
}

/* Enforce solid text binding on points display */
.bank-card-points-badge {
    font-size: 13px;
    color: #86868b;
    font-weight: 500;
    white-space: nowrap; /* COMPLETELY stops '1' and 'pt' from splitting vertically */
}

/* Premium bracketed text action styling */
.bank-card-add-link {
    background: transparent !important;
    border: none !important;
    color: var(--apple-solid-green) !important; /* Uses our approved unified green token (#248a3d) */
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 8px;
    white-space: nowrap;
    transition: opacity 0.2s ease, transform 0.1s ease;
}

.bank-card-add-link:hover {
    opacity: 0.8;
}

.bank-card-add-link:active {
    transform: scale(0.97);
}

.bank-item {
  border-bottom: 1px solid #f0f0f2;
  padding: 16px 0;
  transition: background-color 0.15s ease;
}

.bank-item:last-child {
  border-bottom: none;
}

.bank-item-text {
  font-size: 13px;
  color: var(--apple-text);
  line-height: 1.4;
  margin-bottom: 8px;
}

.import-btn {
  background: none;
  border: none;
  color: var(--apple-accent);
  padding: 0;
  font-size: 18px;
  font-weight: bold;
  line-height: 1;
  cursor: pointer;
  transition: color 0.15s ease, transform 0.1s ease;
}

.import-btn:hover {
  color: var(--apple-accent-hover);
  transform: scale(1.2);
}

.add-question-box {
  background-color: #ffffff;
  border: 1px dashed var(--apple-border);
  border-radius: 10px;
  padding: 24px;
  margin-top: 24px;
}

.add-question-box:focus-within {
  border-style: solid;
  border-color: var(--apple-accent);
}

.delete-question-btn {
  background: none;
  border: none;
  color: #ff3b30;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s ease;
}

.delete-question-btn:hover {
  color: #d62f26;
  text-decoration: underline;
}

/* Phase 4 Student Exam View Styles */
.guest-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(245, 245, 247, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1050;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.guest-card {
  max-width: 440px;
  width: 100%;
}

.secure-indicator {
  font-size: 12px;
  color: var(--apple-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.secure-indicator::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: #34c759;
  border-radius: 50%;
}

.timer-display {
  font-size: 20px;
  font-weight: 600;
  color: var(--apple-text);
  font-family: monospace;
  letter-spacing: 0.5px;
}

.exam-card {
  max-width: 680px;
  margin: 40px auto;
  border-radius: 14px !important;
}

.choice-row {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--apple-border);
  border-radius: 10px;
  margin-bottom: 12px;
  cursor: pointer;
  background-color: #ffffff;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.choice-row:hover {
  border-color: #86868b;
  background-color: #fafafa;
}

.choice-row input[type="radio"],
.choice-row input[type="checkbox"] {
  margin-right: 14px;
  cursor: pointer;
}

.choice-row.selected {
  border-color: var(--apple-accent);
  background-color: #f0f7ff;
}

.review-choice-item {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--apple-border);
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 13px;
  background-color: #ffffff;
  color: #333333;
}

/* Correct Answer Shading */
.review-choice-item.correct {
  background-color: #e6f4ea !important;
  border-color: var(--apple-tint-green-text) !important;
  color: var(--apple-tint-green-text) !important;
}

/* Incorrect Chosen Answer Shading */
.review-choice-item.incorrect-chosen {
  background-color: #fce8e6 !important;
  border-color: #c5221f !important;
  color: #c5221f !important;
}

/* Chosen Correct Answer Shading */
.review-choice-item.correct-chosen {
  background-color: #e6f4ea !important;
  border-color: var(--apple-tint-green-text) !important;
  color: var(--apple-tint-green-text) !important;
  box-shadow: 0 0 0 2px rgba(52, 168, 83, 0.15);
}

/* Inline KaTeX render overrides for multiple choice options and scorecard views */
.mcq-option-row .katex-display,
.choice-row .katex-display,
.choices-list .katex-display,
.font-monospace .katex-display,
.fw-semibold .katex-display,
.review-q-header .katex-display {
  display: inline-block !important;
  margin: 0 !important;
  text-align: left !important;
}
.mcq-option-row .katex,
.choice-row .katex,
.choices-list .katex,
.font-monospace .katex,
.fw-semibold .katex,
.review-q-header .katex {
  white-space: normal !important;
}

/* Prevent paragraph tags inside MCQ choice lists from starting on new lines */
.font-monospace p,
.choice-row p,
.choices-list p,
.mcq-option-row p,
.review-q-header p {
  display: inline !important;
  margin: 0 !important;
  padding: 0 !important;
}

.exam-footer {
  border-top: 1px solid var(--apple-border);
  padding: 24px 0;
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.fullscreen-banner {
  background-color: #1d1d1f;
  color: #ffffff;
  padding: 12px 24px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
}

/* Phase 5 Proctoring Audit Log Timeline Styles */
.timeline-card {
  max-width: 600px;
  margin: 30px auto;
  padding: 30px !important;
  border-radius: 14px !important;
}

.timeline-wrapper {
  position: relative;
  padding-left: 32px;
  margin-top: 20px;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 11px;
  width: 2px;
  background-color: var(--apple-border);
  z-index: 1;
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
  z-index: 2;
}

.timeline-dot {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 10px;
  height: 10px;
  background-color: #86868b;
  border-radius: 50%;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px var(--apple-border);
  transition: background-color 0.2s ease;
}

.timeline-dot.dot-start {
  background-color: #34c759;
  box-shadow: 0 0 0 1px #34c759;
}

.timeline-dot.dot-infraction {
  background-color: #cc3333;
  box-shadow: 0 0 0 1px #cc3333;
}

.timeline-time {
  font-size: 12px;
  color: var(--apple-text-secondary);
  font-family: monospace;
  margin-bottom: 4px;
}

.timeline-content {
  font-size: 14px;
  color: var(--apple-text);
  line-height: 1.4;
  padding: 12px 16px;
  border: 1px solid var(--apple-border);
  border-radius: 8px;
  background-color: #ffffff;
  transition: border-color 0.2s ease;
}

.timeline-content.infraction-card-highlight {
  border-color: #cc3333 !important;
  background-color: #fff8f8;
}

.timeline-event-name {
  font-weight: 600;
  margin-bottom: 2px;
}

.timeline-event-desc {
  color: var(--apple-text-secondary);
  font-size: 13px;
}

.timeline-event-name.text-infraction {
  color: #cc3333 !important;
}

/* Progressive Disclosure & Insertion Nodes */
.insertion-node-container {
  position: relative;
  height: 24px;
  padding: 12px 0;
  margin: -12px 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: transparent;
}

.insertion-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--apple-accent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.insertion-plus-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--apple-accent);
  color: #ffffff;
  border-radius: 50%;
  font-size: 15px;
  font-weight: bold;
  box-shadow: 0 2px 5px rgba(0, 102, 204, 0.25);
  border: 2px solid #ffffff;
  z-index: 11;
  user-select: none;
  opacity: 0;
  transform: scale(0.7);
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
  pointer-events: none;
}

.insertion-node-container:hover .insertion-line {
  opacity: 0.35;
}

.insertion-node-container:hover .insertion-plus-btn {
  opacity: 1;
  transform: scale(1.1);
  background: var(--apple-accent-hover);
  pointer-events: auto;
}

/* Inline slide-down authoring tray */
.authoring-tray {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.3s ease, padding 0.3s ease, margin 0.3s ease;
  background: #ffffff;
  border: 1px solid var(--apple-border);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  padding: 0 24px;
  margin: 0;
}

.authoring-tray.open {
  max-height: none !important;
  overflow: visible !important;
  opacity: 1;
  padding: 24px;
  margin: 16px 0;
}

/* Ensure the form wrapper dynamically stretches or scrolls instead of clipping its children */
.add-question-card, .canvas-section-container, .authoring-tray.open {
    height: auto !important;
    min-height: min-content;
    overflow: visible !important;
}

/* If this form lives inside a fixed height modal or sidebar drawer panel, enforce scroll safety rules */
.drawer-scroll-wrapper {
    overflow-y: auto !important;
    padding-bottom: 40px; /* Provides comfortable breathing room for bottom buttons */
}

/* Clear layout alignment strategy that never forces absolute negative anchors or margin collapse bugs */
.form-actions-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 20px !important;
    padding-bottom: 10px;
    clear: both;
}

/* Interactive empty state card */
.empty-canvas-placeholder {
  position: relative !important;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 250px;
  border: 2px dashed var(--apple-border);
  background: #ffffff;
  border-radius: 12px;
  padding: 60px 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.empty-canvas-placeholder:hover {
  border-color: var(--apple-accent);
  background-color: #fafdff;
}

/* The floating choices popover menu container */
.empty-canvas-menu-popover {
  position: absolute !important;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1050;
  display: flex;
  gap: 10px;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--apple-border);
}

/* Contextual choice menu block - absolutely positioned to prevent page displacement */
.contextual-insertion-menu {
  position: absolute;
  top: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  gap: 12px;
  background: #ffffff;
  border: 1px solid var(--apple-border);
  border-radius: 8px;
  padding: 8px 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  z-index: 100;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -4px);
  }

  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.section-footer-link {
  display: block;
  text-align: center;
  padding: 12px;
  border-top: 1px solid #f2f2f7;
  color: var(--apple-text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.section-footer-link:hover {
  color: var(--apple-accent);
  background-color: #fafafa;
}

/* Drag and Drop Sortable Handle Styles */
.question-card {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--apple-border);
  border-radius: 8px;
  padding: 16px 16px 16px 44px !important;
  margin-bottom: 12px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.question-card.sortable-ghost {
  opacity: 0.4;
  background: #f5f5f7 !important;
  border: 1px dashed var(--apple-accent) !important;
}

.question-card.sortable-chosen {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
}

.flip-card-front .question-drag-handle {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 24px;
  cursor: grab;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 3px;
  opacity: 0.35;
  transition: opacity 0.2s ease;
  user-select: none;
  z-index: 5;
}

.flip-card-front:hover .question-drag-handle {
  opacity: 0.7;
}

.question-drag-handle:active {
  cursor: grabbing !important;
}

.question-drag-handle .grip-line {
  width: 12px;
  height: 2px;
  background-color: var(--apple-text-secondary);
  border-radius: 1px;
}

/* Placement Mode Styles */
.canvas-questions-list.placement-active {
  position: relative;
}

.canvas-questions-list.placement-active> :not(.canvas-root-drop-zone):not(.canvas-section) {
  opacity: 0.4;
  pointer-events: none;
}

/* Section block when in placement active state */
.canvas-section.drop-target-active {
  position: relative;
  cursor: pointer !important;
  transition: all 0.25s ease;
}

.canvas-section.drop-target-active::after {
  content: "[ Drop into This Section ]";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 102, 204, 0.05);
  border: 2px dashed #0066cc;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0066cc;
  font-weight: 600;
  font-size: 15px;
  z-index: 1000;
  cursor: pointer;
  animation: pulseBorder 1.5s infinite ease-in-out;
}

/* Canvas Root Drop Zone Strip */
.canvas-root-drop-zone {
  display: none;
  position: relative;
  border: 2px dashed #0066cc;
  background: rgba(0, 102, 204, 0.02);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  color: #0066cc;
  font-weight: 600;
  font-size: 14px;
  margin-top: 16px;
  cursor: pointer;
  z-index: 1000;
  transition: all 0.25s ease;
  animation: pulseBorder 1.5s infinite ease-in-out;
}

.canvas-root-drop-zone.active {
  display: block;
}

/* Uniform drop-target-active class definition */
.drop-target-active {
  position: relative;
  border: 2px dashed #0066cc !important;
  background: rgba(0, 102, 204, 0.02) !important;
  color: #0066cc !important;
  border-radius: 12px;
  cursor: pointer !important;
  transition: all 0.25s ease;
  animation: pulseBorder 1.5s infinite ease-in-out;
}

.drop-target-active:hover,
.canvas-root-drop-zone:hover,
.canvas-section.drop-target-active:hover::after {
  background: rgba(0, 102, 204, 0.12) !important;
  color: #004499 !important;
}

@keyframes pulseBorder {
  0% {
    border-color: rgba(0, 102, 204, 0.4);
    box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.05);
  }

  50% {
    border-color: rgba(0, 102, 204, 1);
    box-shadow: 0 0 0 5px rgba(0, 102, 204, 0.1);
  }

  100% {
    border-color: rgba(0, 102, 204, 0.4);
    box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.05);
  }
}

/* Segmented Apple Tabs */
.active-tab-pill {
  background: #ffffff !important;
  color: #1d1d1f !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15) !important;
  border-radius: 6px !important;
}

.apple-tabs-segment button {
  border: none !important;
  background: transparent;
  color: #8e8e93;
  transition: all 0.2s ease;
}

.apple-tabs-segment button:not(.active-tab-pill):hover {
  color: #1d1d1f !important;
}

/* Interactive Tags Pills */
.tags-input-container {
  border: 1px solid var(--apple-border);
  border-radius: 8px;
  padding: 6px 12px;
  background-color: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tags-input-container:focus-within {
  border-color: var(--apple-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.15);
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: all 0.2s ease;
}

.tag-pill .tag-text {
  text-transform: capitalize;
}

.tag-pill .tag-close-btn {
  font-size: 14px;
  line-height: 1;
  opacity: 0.5;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.tag-pill .tag-close-btn:hover {
  opacity: 1;
}

/* 5 Pastel Badge Colors style classes */
.tag-color-blue {
  background-color: #e3f2fd !important;
  color: #0d47a1 !important;
  border: 1px solid #bbdefb;
}

.tag-color-green {
  background-color: #e8f5e9 !important;
  color: #1b5e20 !important;
  border: 1px solid #c8e6c9;
}

.tag-color-orange {
  background-color: #fff3e0 !important;
  color: #e65100 !important;
  border: 1px solid #ffe0b2;
}

.tag-color-red {
  background-color: #ffebee !important;
  color: #b71c1c !important;
  border: 1px solid #ffcdd2;
}

.tag-color-purple {
  background-color: #f3e5f5 !important;
  color: #4a148c !important;
  border: 1px solid #e1bee7;
}

/* 3D Perspective Card Flip Editor */
.flip-card-container {
  perspective: 1000px;
  position: relative;
  margin-bottom: 15px;
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.flip-card-inner.is-flipping {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: #ffffff;
  border: 1px solid #e5e5e7;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.flip-card-front {
  padding: 20px 20px 20px 36px;
}

.flip-card-front.question-card {
  margin-bottom: 0 !important;
}

/* Ensure the back face is correctly oriented and hidden natively on load */
.flip-card-back {
  transform: rotateY(180deg);
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* Hide the drag handle completely when the card is flipped to the editing face */
.flip-card-inner.is-flipping .question-drag-handle {
    display: none !important;
    opacity: 0;
    pointer-events: none;
}

/* Lecturer Grading Dashboard Premium Styles */
#results-student-roster .list-group-item {
  border-left: 3px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
  background-color: #ffffff;
}

#results-student-roster .list-group-item:hover {
  background-color: #f5f5f7;
}

#results-student-roster .list-group-item.active {
  background-color: #f5f5f7 !important;
  border-left-color: #0071e3 !important;
  color: #1d1d1f !important;
  font-weight: 600 !important;
  border-top-color: transparent !important;
  border-right-color: transparent !important;
  border-bottom-color: transparent !important;
}

#get-share-link-btn {
  display: none;
}

.badge-graded {
  background-color: var(--apple-solid-green) !important;
  color: #ffffff !important;
}

.status-badge-correct {
  background-color: var(--apple-tint-green-bg) !important;
  color: var(--apple-tint-green-text) !important;
  border: 1px solid rgba(19, 115, 51, 0.15) !important;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.status-pass, .passed-badge, .active-grade-badge {
  background-color: var(--apple-tint-green-bg) !important;
  color: var(--apple-tint-green-text) !important;
  border: 1px solid rgba(19, 115, 51, 0.15) !important;
}

.status-badge-incorrect {
  background-color: #fce8e6 !important;
  color: #c5221f !important;
  border: 1px solid #fad2cf !important;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.status-badge-pending {
  background-color: #fef7e0 !important;
  color: #b06000 !important;
  border: 1px solid #feebc8 !important;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.autosave-status-tag {
  font-size: 12px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.autosave-saving {
  color: #8e8e93;
}

.autosave-saved {
  color: #34c759;
}

.card-state-pending {
  border: 1px dashed #f5c518 !important;
  background-color: #fffdf5 !important;
  transition: border-color 0.4s ease, background-color 0.4s ease;
}

/* MCQ Option Evaluation Styles */
.eval-option-row {
  background-color: #ffffff;
  border: 1px solid #e5e5e7;
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #1d1d1f;
  transition: all 0.25s ease;
}

.eval-option-selected-correct {
  background-color: #e6f4ea !important;
  border-color: #137333 !important;
  color: #137333 !important;
  font-weight: 500;
}

.eval-option-selected-wrong {
  background-color: #fce8e6 !important;
  border-color: #c5221f !important;
  color: #c5221f !important;
  font-weight: 500;
}

.eval-option-true-key {
  background-color: #f5f5f7 !important;
  border-color: #0071e3 !important;
  border-style: dashed !important;
  color: #0071e3 !important;
  font-weight: 500;
}

.eval-badge-correct {
  background-color: #137333;
  color: #ffffff;
  font-size: 10px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
}

.eval-badge-wrong {
  background-color: #c5221f;
  color: #ffffff;
  font-size: 10px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
}

.eval-badge-true {
  background-color: #0071e3;
  color: #ffffff;
  font-size: 10px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
}

/* Segmented attempts switch control styling */
.attempt-tab-btn {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: #8e8e93;
  transition: all 0.2s ease;
  box-shadow: none;
}

.attempt-tab-btn.active-attempt-pill {
  background: #ffffff !important;
  color: #1d1d1f !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

.attempt-tab-btn:hover:not(.active-attempt-pill) {
  color: #1d1d1f;
}

.btn-outline-success-apple {
  border: 1px solid var(--apple-solid-green) !important;
  color: var(--apple-solid-green) !important;
  background-color: transparent !important;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.btn-outline-success-apple:hover {
  background-color: var(--apple-solid-green) !important;
  color: #ffffff !important;
}

.apple-switch {
  width: 44px !important;
  height: 22px !important;
  cursor: pointer !important;
}

/* Canvas Section Edit Link & Divider styles */
.section-edit-link {
    background: none !important;
    border: none !important;
    font-size: 13px;
    font-weight: 500;
    color: #86868b !important;
    cursor: pointer;
    padding: 0;
    transition: opacity 0.2s ease;
}
.section-edit-link:hover {
    opacity: 0.8;
}
.action-divider {
    font-size: 12px;
    color: #86868b;
}

/* Share modal tabs and QR code display styling */
.modal-segmented-control {
    display: flex;
    background: #f2f2f7;
    border-radius: 9px;
    padding: 2px;
    margin-bottom: 20px;
}
.modal-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 6px 12px;
    font-size: 13px;
    font-weight: 500;
    color: #86868b;
    cursor: pointer;
    border-radius: 7px;
    transition: all 0.2s ease;
}
.modal-tab-btn.active {
    background: #ffffff;
    color: #1d1d1f;
    box-shadow: 0px 1px 3px rgba(0,0,0,0.1);
}
.modal-tab-panel {
    display: none;
}
.modal-tab-panel.active {
    display: block;
}
.qr-code-display-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    padding: 15px;
    background: #fbfbfd;
    border-radius: 12px;
    border: 1px dashed #d2d2d7;
}
#canvas-qrcode img, #canvas-qrcode canvas {
    max-width: 140px;
    margin-bottom: 8px;
}
.qr-caption-text {
    font-size: 12px;
    color: #86868b;
}
.share-input-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.share-input-row input {
    flex: 1;
    border: 1px solid #d2d2d7;
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 13px;
    outline: none;
    background: #f5f5f7;
    color: #1d1d1f;
}
.btn-copy-url {
    background-color: #0066cc;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}
.btn-copy-url:hover {
    background-color: #0055b3;
}
.info-alert-callout-badge {
    background-color: #f5f5f7;
    border-left: 4px solid #0071e3;
    border-radius: 4px;
    padding: 12px;
    margin-top: 15px;
    text-align: left;
}
.info-alert-callout-badge p {
    margin: 0;
    font-size: 12.5px;
    color: #515154;
    line-height: 1.4;
}
nav.navbar .navbar-brand {
    font-weight: 600;
}

.modal-instruction-text {
    font-size: 13px;
    color: #515154;
    text-align: left;
    margin-bottom: 12px;
}

/* Force absolute text uniformity across both canvas cards and data tables */
.tag-badge, 
.bank-card-tags span,
.master-bank-scroll-container .tag,
td .tag-badge,
.tag-pill .tag-text {
    text-transform: capitalize !important; /* Forces the first letter of every tag string to be capital */
    font-size: 12px;
    font-weight: 500;
}

/* Access Control Panel Styles */
.access-global-settings-card, .access-rules-management-card {
    background: #ffffff;
    border: 1px solid #e5e5e7;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}
.global-switch-row {
    margin-top: 14px;
    display: flex;
    align-items: center;
}
.switch-container {
    display: flex;
    align-items: center;
    cursor: pointer;
}
.switch-label-text {
    margin-left: 10px;
    font-size: 14px;
    font-weight: 500;
    color: #1d1d1f;
}
.rules-header-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}
#access-input-email {
    flex: 1;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid #d2d2d7;
    font-size: 14px;
}
.access-rules-data-table {
    width: 100%;
    border-collapse: collapse;
}
.access-rules-data-table th {
    text-align: left;
    padding: 12px;
    border-bottom: 2px solid #e5e5e7;
    color: #86868b;
    font-size: 12px;
    text-transform: uppercase;
}
.access-rules-data-table td {
    padding: 14px 12px;
    border-bottom: 1px solid #e5e5e7;
    font-size: 14px;
}
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* Minimalist Access Gatekeeper Layout Styles */
.gate-card-container {
    max-width: 480px;
    margin: 80px auto;
    background: #ffffff;
    border: 1px solid #e5e5e7;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    text-align: center;
}
.gate-subtitle {
    font-size: 14px;
    color: #86868b;
    margin-bottom: 20px;
}
.gate-form-row {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
#student-auth-email {
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #d2d2d7;
    font-size: 15px;
    width: 100%;
    box-sizing: border-box;
}
.btn-gate-submit {
    background-color: #0071e3; /* Classic clean primary blue */
    color: #ffffff;
    border: none;
    padding: 12px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.2s;
}
.btn-gate-submit:hover { opacity: 0.9; }
.gate-alert-banner {
    margin-top: 16px;
    padding: 12px;
    background: #fff2f2;
    border: 1px solid #ffb3b3;
    color: #d60000;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
}

/* Unified session gate form inputs styling */
.input-group {
    text-align: left;
    margin-bottom: 14px;
}
.input-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 6px;
}
#student-full-name {
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #d2d2d7;
    font-size: 15px;
    width: 100%;
    box-sizing: border-box;
}

/* Segmented Control Switcher */
.segmented-control {
    display: inline-flex;
    background-color: #e5e5e7;
    border-radius: 9px;
    padding: 2px;
    border: none;
}
.segmented-button {
    background: transparent;
    border: none;
    outline: none;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--apple-text-secondary);
    border-radius: 7px;
    transition: background-color 0.15s ease, color 0.15s ease;
    cursor: pointer;
}
.segmented-button.active {
    background-color: #ffffff;
    color: var(--apple-text);
    box-shadow: 0px 1px 3px rgba(0, 0, 0, 0.1);
}
.segmented-button:hover:not(.active) {
    color: var(--apple-text);
}

/* User Profile Avatar Dropdown */
.profile-avatar-circle {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-color: #0071e3;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s ease, background-color 0.15s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.profile-avatar-circle:hover {
    background-color: #0062c4;
}
.no-chevron::after {
    display: none !important;
}

/* Premium Dashboard Return Button */
.nav-dashboard-btn {
    background-color: rgba(255, 255, 255, 0.12) !important;
    border: 1px solid rgba(255, 255, 255, 0.18) !important;
    color: #ffffff !important;
    border-radius: 20px !important;
    font-size: 12.5px !important;
    font-weight: 500 !important;
    padding: 5px 14px !important;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease !important;
    text-decoration: none !important;
    display: inline-block !important;
}
.nav-dashboard-btn:hover {
    background-color: rgba(255, 255, 255, 0.22) !important;
    border-color: rgba(255, 255, 255, 0.32) !important;
    color: #ffffff !important;
}
.nav-dashboard-btn:active {
    transform: scale(0.96);
}

/* Premium Green Share Button */
.btn-share {
    background-color: #34c759 !important;
    border: none !important;
    border-radius: 8px !important;
    color: #ffffff !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    padding: 6px 16px !important;
    transition: background-color 0.2s ease, transform 0.1s ease !important;
    box-shadow: 0 2px 4px rgba(52, 199, 89, 0.15) !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    text-decoration: none !important;
}
.btn-share:hover {
    background-color: #28a745 !important;
    color: #ffffff !important;
}
.btn-share:active {
    transform: scale(0.96);
}

/* User Profile Avatar Dropdown */
.profile-avatar-circle {
    width: 34px;
    height: 34px;
    border-radius: 50% !important;
    background-color: #0071e3;
    color: #ffffff !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    cursor: pointer;
    transition: opacity 0.15s ease, background-color 0.15s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.profile-avatar-circle:hover {
    background-color: #0062c4;
}