/* ─── Checklist ──────────────────────────────────────────────────────────── */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0.4rem 0 0;
  display: flex;
  flex-direction: column;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
  border-radius: 6px;
}
.checklist li:last-child { border-bottom: none; }
.checklist li:hover { background: var(--bg); }
.checklist li .cb {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid var(--border);
  border-radius: 5px;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, border-color 0.15s ease;
  flex-shrink: 0;
}
.checklist li.done .cb {
  background: var(--accent);
  border-color: var(--accent);
}
.checklist li.done .cb::after {
  content: '';
  width: 5px;
  height: 9px;
  border-right: 2.5px solid var(--accent-ink);
  border-bottom: 2.5px solid var(--accent-ink);
  transform: rotate(45deg) translate(-1px, -1px);
  display: block;
}
.checklist li .cb-label {
  font-size: clamp(0.88rem, 1.8vw, 0.97rem);
  line-height: 1.5;
  color: var(--text);
  transition: color 0.15s ease;
}
.checklist li.done .cb-label {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: #b0bec5;
}
.checklist li .cb-label strong { font-weight: 600; }

/* ─── Slide counter badge ────────────────────────────────────────────────── */
.slide-counter {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.22rem 0.6rem;
  letter-spacing: 0.03em;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.slide-counter.all-done {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* ─── Cover progress row ─────────────────────────────────────────────────── */
.cover-progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  gap: 0.5rem;
}

/* ─── Reset button ───────────────────────────────────────────────────────── */
.reset-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: none;
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  letter-spacing: 0.02em;
}
.reset-btn:hover { border-color: #f87171; color: #dc2626; }

/* ─── Backlog ────────────────────────────────────────────────────────────── */
.bl-progress-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  margin-bottom: 1.1rem;
}
.bl-progress-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.3rem;
}
.bl-progress-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.bl-progress-count {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
}
.bl-bar-bg {
  height: 6px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}
.bl-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #3ae070, var(--accent));
  border-radius: 99px;
  transition: width 0.4s ease;
}
.bl-bar-fill--track {
  background: linear-gradient(90deg, #a78bfa, var(--week4));
}
.bl-section-header {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  margin: 1.1rem 0 0.6rem;
  padding-bottom: 0.45rem;
  border-bottom: 2px solid var(--accent);
}
.bl-section-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
}
.bl-section-note {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.bl-week-group {
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 0.65rem;
  border: 1px solid var(--border);
}
.bl-week-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.85rem;
}
.bl-week-group--w1 .bl-week-label { background: var(--week1-soft); color: var(--week1); }
.bl-week-group--w2 .bl-week-label { background: var(--week2-soft); color: var(--week2); }
.bl-week-group--w3 .bl-week-label { background: var(--week3-soft); color: #78350f; }
.bl-list {
  padding: 0 0.25rem;
  background: var(--surface);
}
.bl-list li { border-radius: 0; padding-left: 0.6rem; }
.bl-track-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.bl-tab {
  appearance: none;
  border: 2px solid var(--border);
  background: var(--surface);
  border-radius: 8px;
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-muted);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.bl-tab--fs.is-active-tab { background: var(--week4-soft); border-color: var(--week4); color: #831843; }
.bl-tab--do.is-active-tab { background: var(--week3-soft); border-color: var(--week3); color: #78350f; }
.bl-tab--qa.is-active-tab { background: var(--week1-soft); border-color: var(--week1); color: var(--week1); }
.bl-tab:not(.is-active-tab):hover { background: var(--bg); border-color: #cbd5e1; color: var(--text); }
.bl-track-panel {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
}
.bl-track-panel--hidden { display: none; }

/* ─── Resource grid and cards ────────────────────────────────────────────── */
.resource-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin: 1.5rem 0 0.65rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}
.resource-section-title:first-of-type { margin-top: 0; }

.resource-grid {
  display: grid;
  gap: 0.65rem;
}
@media (min-width: 640px) {
  .resource-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .resource-grid { grid-template-columns: repeat(3, 1fr); }
}

.resource-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: border-color 0.15s, box-shadow 0.15s;
  text-decoration: none;
  color: inherit;
}
.resource-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(84,250,128,0.15);
}
.resource-type {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  display: inline-block;
  align-self: flex-start;
}
.resource-type--yt     { background: #fee2e2; color: #dc2626; }
.resource-type--doc    { background: #dbeafe; color: #1d4ed8; }
.resource-type--course { background: var(--week2-soft); color: var(--week2); }
.resource-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.3;
}
.resource-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
  flex: 1;
}
.resource-url {
  font-size: 0.72rem;
  color: var(--accent-ink);
  font-weight: 600;
  opacity: 0.65;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}