/**
 * Custom TutorLMS Dashboard Styles — v3
 * Child Theme: assets/css/custom-dashboard.css
 */

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/* 0. Tokens                                                                    */
/* ═══════════════════════════════════════════════════════════════════════════ */
:root {
  --ctd-primary:      #0080F6;
  --ctd-secondary:    #006CCF;
  --ctd-text:         #4B5563;
  --ctd-heading:      #1E293B;
  --ctd-bg:           #F9FAFB;
  --ctd-bg-blue:      #EFF6FF;
  --ctd-border-blue:  #DBEAFE;
  --ctd-border:       #D6D9DD;
  --ctd-white:        #FFFFFF;
  --ctd-success:      #16A34A;
  --ctd-warning:      #D97706;
  --ctd-radius:       14px;
  --ctd-radius-lg:    20px;
  --ctd-shadow:       0 1px 4px rgba(0,0,0,.06), 0 2px 12px rgba(0,128,246,.06);
  --ctd-shadow-hover: 0 4px 20px rgba(0,128,246,.16);
  --ctd-font:         'DM Sans', ui-sans-serif, system-ui, sans-serif;
  --ctd-gap:          20px;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 1. SCROLLBAR FIX                                                             */
/*    TutorLMS sets overflow / height on its wrapper divs, causing a second     */
/*    inner scrollbar. Override all of them so only the browser scrollbar shows */
/* ═══════════════════════════════════════════════════════════════════════════ */
.tutor-wrap,
.tutor-frontend-dashboard,
.tutor-dashboard,
.tutor-dashboard-content,
.ctd-dashboard-wrap,
.ctd-dashboard-inner,
.ctd-main-content,
.tutor-frontend-dashboard .tutor-row,
.tutor-frontend-dashboard .tutor-container {
  overflow: visible !important;
  height: auto !important;
  max-height: none !important;
  min-height: 0 !important;
  padding-top: 8px !important;
}
.tutor-wrap img {
    height: 100% !important;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 2. Hide Tutor's default chrome                                               */
/* ═══════════════════════════════════════════════════════════════════════════ */
.tutor-dashboard-left-menu,
#tutor-dashboard-footer-mobile,
.ctd-dashboard-wrap .tutor-frontend-dashboard-header {
  display: none !important;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 3. Dashboard wrapper                                                         */
/* ═══════════════════════════════════════════════════════════════════════════ */
.ctd-dashboard-wrap {
  background: var(--ctd-bg);
  padding: 0 !important;
  font-family: var(--ctd-font);
  color: var(--ctd-text);
}
.ctd-dashboard-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 32px 24px 72px;
}
.ctd-main-content { position: relative; }

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 4. AJAX loading overlay — fixed so it never adds to document height         */
/* ═══════════════════════════════════════════════════════════════════════════ */
.ctd-loading-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(249,250,251,.65); backdrop-filter: blur(2px);
  z-index: 9999; align-items: center; justify-content: center;
}
.ctd-loading-overlay.is-visible { display: flex; }
.ctd-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--ctd-border-blue); border-top-color: var(--ctd-primary);
  border-radius: 50%; animation: ctd-spin .7s linear infinite;
}
@keyframes ctd-spin { to { transform: rotate(360deg); } }

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 5. Breadcrumb (sub-pages only)                                               */
/* ═══════════════════════════════════════════════════════════════════════════ */
.ctd-breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; font-size: 13px; }
.ctd-breadcrumb-back {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--ctd-primary); font-weight: 600; text-decoration: none; transition: opacity .15s;
}
.ctd-breadcrumb-back:hover { opacity: .75; text-decoration: none; }
.ctd-breadcrumb-back svg { width: 16px; height: 16px; }
.ctd-breadcrumb-sep     { color: var(--ctd-border); }
.ctd-breadcrumb-current { color: var(--ctd-text); font-weight: 500; }

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 6. HERO — force white on every child element                                */
/* ═══════════════════════════════════════════════════════════════════════════ */
.ctd-hero {
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(135deg, var(--ctd-primary) 0%, var(--ctd-secondary) 100%);
  border-radius: var(--ctd-radius-lg); padding: 36px 40px;
  margin-bottom: var(--ctd-gap); overflow: hidden; position: relative;
  color: #ffffff;
}
.ctd-hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23fff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E") repeat;
}

/* White on EVERYTHING inside the hero, with !important to beat any theme styles */
.ctd-hero * { color: #ffffff !important; }

.ctd-hero-left { position: relative; z-index: 1; }
.ctd-hero-greeting {
  font-size: 12px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; opacity: .85; margin: 0 0 4px;
}
.ctd-hero-name {
  font-size: clamp(24px,3.5vw,36px); font-weight: 800; margin: 0 0 10px; line-height: 1.1;
}
.ctd-hero-sub { font-size: 14px; opacity: .85; margin: 0; max-width: 380px; }

/* Progress ring */
.ctd-hero-ring-wrap {
  position: relative; flex-shrink: 0; width: 100px; height: 100px; z-index: 1;
}
.ctd-ring-svg { width: 100%; height: 100%; display: block; }
.ctd-ring-progress { transition: stroke-dashoffset 1s ease; }
.ctd-ring-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ctd-ring-pct   { font-size: 20px; font-weight: 800; line-height: 1; }
.ctd-ring-label { font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; opacity: .75; }

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 7. Stat cards                                                                */
/* ═══════════════════════════════════════════════════════════════════════════ */
.ctd-stats-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: var(--ctd-gap); margin-bottom: var(--ctd-gap);
}
.ctd-stat-card {
  background: var(--ctd-white); border: 1px solid var(--ctd-border);
  border-radius: var(--ctd-radius); padding: 20px;
  box-shadow: var(--ctd-shadow); transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column; gap: 10px;
}
.ctd-stat-card:hover { transform: translateY(-2px); box-shadow: var(--ctd-shadow-hover); }
.ctd-stat-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.ctd-stat-icon svg { width: 20px; height: 20px; }
.ctd-icon--blue   { background: #EFF6FF; color: #0080F6; }
.ctd-icon--amber  { background: #FFFBEB; color: #D97706; }
.ctd-icon--green  { background: #F0FDF4; color: #16A34A; }
.ctd-icon--violet { background: #F5F3FF; color: #7C3AED; }
.ctd-icon--quiz   { background: #F0F9FF; color: #0284C7; }
.ctd-stat-body    { display: flex; flex-direction: column; gap: 2px; }
.ctd-stat-value   { font-size: 28px; font-weight: 800; color: var(--ctd-heading); line-height: 1; }
.ctd-stat-label   { font-size: 12px; color: var(--ctd-text); }
.ctd-stat-progress-strip {
  height: 4px; border-radius: 999px; background: var(--ctd-border); overflow: hidden;
}
.ctd-stat-progress-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg,#7C3AED,#0080F6); transition: width 1s ease;
}

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/* 8. Section heading                                                           */
/* ═══════════════════════════════════════════════════════════════════════════ */
.ctd-section { margin-bottom: var(--ctd-gap); }
.ctd-section-title {
  font-size: 13px; font-weight: 700; color: var(--ctd-text);
  text-transform: uppercase; letter-spacing: .06em; margin: 0 0 14px;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 9. ALL-COURSES GRID                                                          */
/* ═══════════════════════════════════════════════════════════════════════════ */
.ctd-courses-grid {
  display: grid; grid-template-columns: repeat(auto-fill,minmax(240px,1fr)); gap: 16px;
}
.ctd-course-card {
  display: flex; flex-direction: column;
  background: var(--ctd-white); border: 1px solid var(--ctd-border);
  border-radius: var(--ctd-radius); overflow: hidden; box-shadow: var(--ctd-shadow);
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.ctd-course-card:hover {
  border-color: var(--ctd-border-blue); box-shadow: var(--ctd-shadow-hover); transform: translateY(-2px);
}
.ctd-course-thumb-wrap {
  position: relative; height: 140px; flex-shrink: 0; background: var(--ctd-bg-blue);
}
.ctd-course-thumb { width: 100%; height: 100%; object-fit: cover; display: block; }
.ctd-course-thumb-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--ctd-border-blue);
}
.ctd-course-thumb-placeholder svg { width: 36px; height: 36px; }
.ctd-course-status-badge {
  position: absolute; bottom: 10px; left: 10px;
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10px; font-weight: 700; padding: 3px 9px; border-radius: 999px;
  line-height: 1.5; letter-spacing: .04em;
}
.ctd-course-status-badge svg { width: 10px; height: 10px; }
.ctd-badge--complete { background: #16A34A; color: #fff; }
.ctd-badge--progress { background: var(--ctd-primary); color: #fff; }
.ctd-badge--new      { background: rgba(0,0,0,.45); color: #fff; }
.ctd-course-body {
  padding: 16px; display: flex; flex-direction: column; gap: 10px; flex: 1;
}
.ctd-course-title {
  font-size: 14px; font-weight: 600; color: var(--ctd-heading); margin: 0; line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ctd-course-progress-row { display: flex; align-items: center; gap: 8px; }
.ctd-course-progress-bar {
  flex: 1; height: 5px; border-radius: 999px; background: var(--ctd-border); overflow: hidden;
}
.ctd-course-progress-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg,var(--ctd-primary),#38bdf8); transition: width 1s ease;
}
.ctd-course-progress-pct {
  font-size: 11px; font-weight: 700; color: var(--ctd-primary); min-width: 30px; text-align: right;
}
/* Continue / Start / Review button inside each course card */
.ctd-btn-course {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  background: var(--ctd-primary); color: #fff !important;
  font-size: 13px; font-weight: 700; padding: 9px 16px; border-radius: 8px;
  text-decoration: none; margin-top: auto;
  box-shadow: 0 2px 6px rgba(0,128,246,.3); transition: background .18s, transform .15s;
}
.ctd-btn-course svg { width: 12px; height: 12px; }
.ctd-btn-course:hover {
  background: var(--ctd-secondary); transform: translateY(-1px); text-decoration: none;
}
.ctd-btn-course--done {
  background: #F0FDF4; color: #16A34A !important; box-shadow: none; border: 1px solid #BBF7D0;
}
.ctd-btn-course--done:hover { background: #DCFCE7; transform: none; }

/* No-courses placeholder */
.ctd-no-course-card {
  display: flex; align-items: center; gap: 20px;
  background: var(--ctd-white); border: 1px dashed var(--ctd-border-blue);
  border-radius: var(--ctd-radius); padding: 28px 32px; color: var(--ctd-text);
}
.ctd-no-course-card svg { width: 48px; height: 48px; color: var(--ctd-border-blue); flex-shrink: 0; }
.ctd-no-course-card h2  { font-size: 16px; font-weight: 700; color: var(--ctd-heading); margin: 0 0 4px; }
.ctd-no-course-card p   { font-size: 13px; margin: 0; }
.ctd-btn-continue {
  display: inline-flex; align-items: center; gap: 8px; margin-left: auto;
  background: var(--ctd-primary); color: #fff !important;
  font-size: 14px; font-weight: 700; padding: 12px 22px; border-radius: 10px;
  text-decoration: none; box-shadow: 0 2px 8px rgba(0,128,246,.35);
  transition: background .18s;
}
.ctd-btn-continue:hover { background: var(--ctd-secondary); text-decoration: none; }

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 10. NAV CARDS                                                                */
/* ═══════════════════════════════════════════════════════════════════════════ */
.ctd-nav-cards-grid {
  display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 12px;
}
.ctd-nav-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--ctd-white); border: 1px solid var(--ctd-border);
  border-radius: var(--ctd-radius); padding: 16px 14px;
  text-decoration: none; color: var(--ctd-heading); box-shadow: var(--ctd-shadow);
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.ctd-nav-card:hover {
  border-color: var(--ctd-border-blue); box-shadow: var(--ctd-shadow-hover);
  transform: translateY(-2px); text-decoration: none; color: var(--ctd-heading);
}
.ctd-nav-card-icon {
  width: 42px; height: 42px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; transition: transform .18s;
}
.ctd-nav-card:hover .ctd-nav-card-icon { transform: scale(1.08); }
.ctd-nav-card-icon svg { width: 20px; height: 20px; }
.ctd-nav-card--blue   .ctd-nav-card-icon { background:#EFF6FF; color:#0080F6; }
.ctd-nav-card--indigo .ctd-nav-card-icon { background:#EEF2FF; color:#4338CA; }
.ctd-nav-card--violet .ctd-nav-card-icon { background:#F5F3FF; color:#7C3AED; }
.ctd-nav-card--amber  .ctd-nav-card-icon { background:#FFFBEB; color:#D97706; }
.ctd-nav-card--orange .ctd-nav-card-icon { background:#FFF7ED; color:#EA580C; }
.ctd-nav-card--teal   .ctd-nav-card-icon { background:#F0FDFA; color:#0D9488; }
.ctd-nav-card--sky    .ctd-nav-card-icon { background:#F0F9FF; color:#0284C7; }
.ctd-nav-card--green  .ctd-nav-card-icon { background:#F0FDF4; color:#16A34A; }
.ctd-nav-card--slate  .ctd-nav-card-icon { background:#F1F5F9; color:#475569; }
.ctd-nav-card--gray   .ctd-nav-card-icon { background:#F9FAFB; color:#6B7280; }
.ctd-nav-card--lime   .ctd-nav-card-icon { background:#F7FEE7; color:#65A30D; }
.ctd-nav-card--rose   .ctd-nav-card-icon { background:#FFF1F2; color:#E11D48; }
.ctd-nav-card--yellow .ctd-nav-card-icon { background:#FEFCE8; color:#CA8A04; }
.ctd-nav-card--red    .ctd-nav-card-icon { background:#FEF2F2; color:#DC2626; }
.ctd-nav-card-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.ctd-nav-card-title {
  font-size: 14px; font-weight: 600; color: var(--ctd-heading);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ctd-nav-card-desc {
  font-size: 11px; color: var(--ctd-text); opacity: .8;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ctd-nav-card-arrow { flex-shrink: 0; color: var(--ctd-border); transition: color .15s, transform .18s; }
.ctd-nav-card:hover .ctd-nav-card-arrow { color: var(--ctd-primary); transform: translateX(3px); }
.ctd-nav-card-arrow svg { width: 16px; height: 16px; }

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 11. BOTTOM: Chart | Assignments | Quizzes  (3-column grid)                  */
/* ═══════════════════════════════════════════════════════════════════════════ */
.ctd-bottom-grid {
  display: grid;
  grid-template-columns: 260px 1fr 1fr;   /* chart fixed width; tasks share rest */
  gap: var(--ctd-gap); margin-top: var(--ctd-gap);
}
.ctd-card {
  background: var(--ctd-white); border: 1px solid var(--ctd-border);
  border-radius: var(--ctd-radius); box-shadow: var(--ctd-shadow); overflow: hidden;
}
.ctd-card-header {
  display: flex; align-items: center; justify-content: space-between; padding: 20px 22px 0;
}
.ctd-card-title {
  font-size: 14px; font-weight: 700; color: var(--ctd-heading);
  margin: 0; display: flex; align-items: center; gap: 8px;
}
.ctd-card-title svg { width: 16px; height: 16px; }
.ctd-badge-count {
  background: var(--ctd-primary); color: #fff;
  font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 999px; line-height: 1.5;
}
/* Chart */
.ctd-chart-wrap {
  position: relative; display: flex; align-items: center; justify-content: center; padding: 24px;
}
#ctd-doughnut-chart { max-width:180px!important; max-height:180px!important; width:100%!important; height:auto!important; }
.ctd-chart-center { position: absolute; text-align: center; pointer-events: none; }
.ctd-chart-big { display: block; font-size: 22px; font-weight: 800; color: var(--ctd-heading); line-height: 1; }
.ctd-chart-sub { display: block; font-size: 11px; color: var(--ctd-text); margin-top: 2px; }
.ctd-chart-legend {
  list-style: none; margin: 0; padding: 0 22px 20px; display: flex; flex-direction: column; gap: 8px;
}
.ctd-chart-legend li { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ctd-text); }
.ctd-chart-legend strong { margin-left: auto; font-weight: 700; color: var(--ctd-heading); }
.ctd-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.ctd-dot--completed  { background: var(--ctd-primary); }
.ctd-dot--active     { background: var(--ctd-border-blue); border: 1px solid #93C5FD; }
.ctd-dot--notstarted { background: #F3F4F6; border: 1px solid var(--ctd-border); }
/* Assignment / quiz lists */
.ctd-assignment-list { list-style: none; margin: 14px 0 0; padding: 0; }
.ctd-assignment-item { border-top: 1px solid var(--ctd-bg); }
.ctd-assignment-link {
  display: flex; align-items: center; gap: 12px; padding: 12px 22px;
  text-decoration: none; color: inherit; transition: background .12s;
}
.ctd-assignment-link:hover { background: var(--ctd-bg); text-decoration: none; color: inherit; }
.ctd-assignment-icon {
  width: 34px; height: 34px; flex-shrink: 0; border-radius: 8px;
  background: var(--ctd-bg-blue); display: flex; align-items: center; justify-content: center; color: var(--ctd-primary);
}
.ctd-assignment-icon.ctd-icon--quiz { background: #F0F9FF; color: #0284C7; }
.ctd-assignment-icon svg { width: 16px; height: 16px; }
.ctd-assignment-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.ctd-assignment-course {
  font-size: 10px; font-weight: 700; color: var(--ctd-primary);
  text-transform: uppercase; letter-spacing: .05em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ctd-assignment-title {
  font-size: 13px; font-weight: 600; color: var(--ctd-heading);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ctd-assignment-due { font-size: 11px; color: var(--ctd-warning); font-weight: 500; }
.ctd-assignment-arrow { flex-shrink: 0; color: var(--ctd-border); transition: color .15s; }
.ctd-assignment-link:hover .ctd-assignment-arrow { color: var(--ctd-primary); }
.ctd-assignment-arrow svg { width: 14px; height: 14px; }
/* Empty state */
.ctd-empty-state {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 36px 22px; color: var(--ctd-text); opacity: .65;
}
.ctd-empty-state svg { width: 42px; height: 42px; color: var(--ctd-border-blue); }
.ctd-empty-state p   { font-size: 13px; text-align: center; margin: 0; }

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 12. Responsive                                                               */
/* ═══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  /* 3-col bottom → chart spans full width on first row, tasks below */
  .ctd-bottom-grid { grid-template-columns: 1fr 1fr; }
  .ctd-chart-card  { grid-column: 1 / -1; max-width: 360px; margin: 0 auto; width: 100%; }
  .ctd-stats-grid  { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .ctd-dashboard-inner { padding: 20px 16px 48px; }
  .ctd-hero            { padding: 28px 24px; }
  .ctd-hero-ring-wrap  { width: 80px; height: 80px; }
  .ctd-ring-pct        { font-size: 17px; }
  .ctd-nav-cards-grid  { grid-template-columns: 1fr 1fr; }
  .ctd-courses-grid    { grid-template-columns: 1fr 1fr; }
  .ctd-bottom-grid     { grid-template-columns: 1fr; }
  .ctd-chart-card      { max-width: 100%; }
}
@media (max-width: 480px) {
  .ctd-hero           { flex-direction: column; align-items: flex-start; gap: 20px; }
  .ctd-stats-grid     { grid-template-columns: 1fr 1fr; gap: 12px; }
  .ctd-nav-cards-grid { grid-template-columns: 1fr; }
  .ctd-courses-grid   { grid-template-columns: 1fr; }
  .ctd-no-course-card { flex-direction: column; text-align: center; }
  .ctd-no-course-card .ctd-btn-continue { margin-left: 0; }
}