/* ═══════════════════════════════════════════════════════════════
   HTB ACADEMY DASHBOARD — Road to CPTS
   ═══════════════════════════════════════════════════════════════ */

#dash-htb {
  --htb:       #b4f469;
  --htb-dim:   rgba(180, 244, 105, 0.12);
  --htb-line:  rgba(180, 244, 105, 0.35);
  --htb-muted: #9aa6b8;
}

/* ─── Scroll container (the view is taller than the viewport) ── */
#htb-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-right: 8px;
}

#htb-scroll::-webkit-scrollbar       { width: 4px; }
#htb-scroll::-webkit-scrollbar-track { background: transparent; }
#htb-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
#htb-scroll::-webkit-scrollbar-thumb:hover { background: var(--htb); }

#dash-htb .panel { flex-shrink: 0; }

/* ─── Shared bits ───────────────────────────────────────────── */
.htb-eyebrow {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--htb);
  margin-bottom: 6px;
}

.htb-muted {
  color: var(--htb-muted);
  font-size: 0.85rem;
}

.htb-note {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
}

.htb-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--htb-muted);
  white-space: nowrap;
}

.htb-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.htb-section-head > div:first-child { flex: 1; min-width: 0; }
.htb-section-head .label            { margin-bottom: 12px; }

#dash-htb a:focus-visible,
#dash-htb button:focus-visible,
#dash-htb select:focus-visible,
#dash-htb textarea:focus-visible,
#dash-htb summary:focus-visible {
  outline: 2px solid var(--htb);
  outline-offset: 3px;
}

/* ─── Hero ──────────────────────────────────────────────────── */
#htb-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-top: 2px solid var(--htb);
  background:
    radial-gradient(ellipse 60% 120% at 0% 0%, rgba(180, 244, 105, 0.08), transparent 60%),
    rgba(26, 31, 53, 0.55);
}

#htb-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1px;
  margin: 4px 0 8px;
}

#htb-title span { color: var(--htb); }

#htb-who {
  font-size: 0.95rem;
  font-weight: 500;
}

#htb-who span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
}

#htb-hero-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  text-align: right;
}

.htb-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

#htb-source-tag[data-source="live"]     { color: var(--htb);   border-color: var(--htb-line); background: var(--htb-dim); }
#htb-source-tag[data-source="stale"],
#htb-source-tag[data-source="snapshot"] { color: var(--orange); border-color: rgba(251,146,60,0.35); background: rgba(251,146,60,0.08); }

#htb-updated {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
}

.htb-link-btn {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.htb-link-btn:hover {
  background: var(--htb-dim);
  border-color: var(--htb-line);
  color: var(--htb);
}

#htb-refresh-btn { color: var(--htb); }
#htb-refresh-btn:hover:not(:disabled) { background: var(--htb-dim); border-color: var(--htb-line); }

/* ─── Stats ─────────────────────────────────────────────────── */
#htb-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  flex-shrink: 0;
}

.htb-stat-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

.htb-stat-value {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
}

.htb-stat-value small {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--htb-muted);
}

.htb-stat-sub {
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--muted);
}

.htb-track {
  height: 3px;
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.htb-track i {
  display: block;
  height: 100%;
  min-width: 2px;
  background: var(--htb);
  box-shadow: 0 0 6px var(--htb);
}

/* ─── Main grid: route + aside ──────────────────────────────── */
#htb-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 1fr);
  gap: 18px;
  align-items: stretch;   /* both columns end on the same line */
  flex-shrink: 0;
}

#htb-aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Module Sections takes the rest of the column; its list grows or shrinks with the learning path */
#htb-sections {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* 01 Learning path */
.htb-count {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  color: var(--htb);
  white-space: nowrap;
}

.htb-count > span {
  font-size: 1rem;
  color: var(--muted);
}

#htb-segments {
  display: flex;
  gap: 4px;
  margin: 16px 0 10px;
}

#htb-segments i {
  flex: 1;
  height: 8px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.08);
}

#htb-segments i.complete {
  background: var(--htb);
  box-shadow: 0 0 6px rgba(180, 244, 105, 0.4);
}

/* Module in progress: filled up to --p (share of sections done, set in htb.js) */
#htb-segments i.progress {
  background: linear-gradient(to right, var(--htb-line) var(--p), rgba(255, 255, 255, 0.08) var(--p));
}

#htb-route > .htb-note { margin-bottom: 14px; }

.htb-route-group { border-top: 1px solid var(--border); }

.htb-route-group summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 0.88rem;
}

.htb-route-group summary::-webkit-details-marker { display: none; }

.htb-route-group summary span {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--muted);
}

.htb-route-group summary::after {
  content: '+';
  width: 12px;
  text-align: center;
  color: var(--muted);
  font-family: var(--font-mono);
}

.htb-route-group[open] > summary::after { content: '−'; }
.htb-route-group summary:hover          { color: var(--htb); }

/* Groups roll open and closed (browsers without ::details-content just snap) */
#htb-route-groups { interpolate-size: allow-keywords; }

.htb-route-group::details-content {
  block-size: 0;
  overflow: hidden;
  margin-inline: -8px;    /* room for the rows' -8px margin and selected highlight */
  padding-inline: 8px;
  transition: block-size 0.3s ease, content-visibility 0.3s allow-discrete;
}

.htb-route-group[open]::details-content { block-size: auto; }

@media (prefers-reduced-motion: reduce) {
  .htb-route-group::details-content { transition: none; }
}

/* Rows are buttons: clicking one shows its sections in the Module Sections panel */
.htb-module-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: calc(100% + 16px);
  margin: 0 -8px;
  padding: 8px;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.85rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s;
}

.htb-module-row:hover    { background: rgba(255, 255, 255, 0.03); }
.htb-module-row.selected { background: var(--htb-dim); box-shadow: inset 2px 0 0 var(--htb); }

.htb-symbol {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--muted);
}

.htb-module-name { flex: 1; min-width: 0; }

.htb-module-row small {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.5px;
  color: var(--muted);
  white-space: nowrap;
}

.htb-module-row.confirmed .htb-symbol {
  background: var(--htb);
  border-color: var(--htb);
  color: #16210e;
  font-size: 12px;
  font-weight: 700;
}

.htb-module-row.confirmed small { color: var(--htb); }

/* Section progress under the module name */
.htb-section-track {
  display: block;
  max-width: 220px;
  margin-top: 6px;
}

.htb-module-row.in-progress .htb-symbol { border-color: var(--htb-line); color: var(--htb); }
.htb-module-row.in-progress small       { color: var(--htb-muted); }

.htb-text-link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--htb);
}

.htb-text-link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* 02 This week */
#htb-focus {
  border-top: 2px solid var(--htb);
  background:
    linear-gradient(130deg, rgba(180, 244, 105, 0.07), transparent 70%),
    rgba(26, 31, 53, 0.55);
}

#htb-focus .label { margin-bottom: 6px; }

/* XP this week */
#htb-week-xp { margin-top: 12px; }

#htb-week-xp-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  line-height: 1.1;
  color: var(--htb);
  margin-right: 8px;
}

#htb-week-xp > span        { color: var(--htb-muted); font-size: 0.8rem; }
#htb-week-xp .htb-stat-sub { margin-top: 4px; }

/* Weekly streak */
#htb-streak {
  margin-top: 14px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
}

.htb-streak-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--htb-muted);
}

#htb-streak-weeks          { color: var(--htb); }
#htb-streak .htb-track     { margin-top: 8px; }
#htb-streak .htb-stat-sub  { margin-top: 6px; }

#htb-streak.danger                  { border-color: rgba(251, 146, 60, 0.35); }
#htb-streak.danger #htb-streak-weeks,
#htb-streak.danger .htb-stat-sub    { color: var(--orange); }
#htb-streak.danger .htb-track i     { background: var(--orange); box-shadow: 0 0 6px var(--orange); }
#htb-streak.completed               { border-color: var(--htb-line); background: var(--htb-dim); }

/* Module sections */
#htb-sections-module {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 4px 0 0;
}

#htb-sections-list {
  position: relative;   /* offset parent for scrolling to the next section */
  list-style: none;
  flex: 1 1 0;          /* no height of its own, so the learning path sets the row height */
  min-height: 180px;
  overflow-y: auto;
  margin-top: 14px;
  padding-right: 6px;
}

#htb-sections-list::-webkit-scrollbar       { width: 4px; }
#htb-sections-list::-webkit-scrollbar-track { background: transparent; }
#htb-sections-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

#htb-sections-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.82rem;
  color: var(--muted);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

#htb-sections-list li.done              { color: var(--htb-muted); }
#htb-sections-list li.done .htb-symbol  { background: var(--htb-dim); border-color: var(--htb-line); color: var(--htb); font-size: 11px; }
#htb-sections-list li.next              { color: var(--text); font-weight: 600; }
#htb-sections-list li.next .htb-symbol  { border-color: var(--htb); color: var(--htb); box-shadow: 0 0 6px rgba(180, 244, 105, 0.4); }

/* ─── 03 Study rhythm ───────────────────────────────────────── */
#htb-activity-grid {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 32px;
  margin-top: 8px;
}

#htb-chart {
  height: 160px;
  display: flex;
  gap: 14px;
  border-bottom: 1px solid var(--border);
  background: repeating-linear-gradient(to top, transparent 0, transparent 39px, rgba(255, 255, 255, 0.03) 40px);
}

.htb-bar-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding-top: 20px;   /* room for the value label above the tallest bar */
}

.htb-bar {
  position: relative;
  width: 100%;
  max-width: 55px;
  min-height: 2px;
  border-radius: 4px 4px 0 0;
  background: rgba(180, 244, 105, 0.35);
  transition: height 0.3s ease;
}

.htb-bar-value {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--muted);
  white-space: nowrap;
}

.htb-bar-wrap.recent .htb-bar  { background: var(--htb); box-shadow: 0 0 8px rgba(180, 244, 105, 0.3); }
.htb-bar-wrap:hover .htb-bar   { background: var(--cyan); }
.htb-bar-wrap:hover .htb-bar-value { color: var(--text); }

#htb-chart-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
}

#htb-activity-summary {
  border-left: 1px solid var(--border);
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#htb-period-xp {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  line-height: 1.1;
  color: var(--htb);
}

#htb-activity-summary > span { color: var(--htb-muted); font-size: 0.8rem; }
#htb-activity-summary p      { font-size: 0.8rem; margin-top: 8px; }

/* Module pace: completed modules (solid green) vs. the target (dashed orange) and the forecast (dotted cyan) */
#htb-pace {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.htb-pace-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.htb-pace-head .htb-stat-label { margin-bottom: 4px; }

.htb-pace-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--htb-muted);
}

.htb-pace-legend span { display: flex; align-items: center; gap: 6px; }

/* Modules / sections switch: fixed size, so flipping it never moves the legend */
#htb-pace-mode {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: inherit;
  cursor: pointer;
}

#htb-pace-mode > span:not(.htb-switch) { transition: color 0.3s ease; }

#htb-pace-mode[aria-checked="false"] .htb-mode-modules,
#htb-pace-mode[aria-checked="true"] .htb-mode-sections { color: var(--htb); }

#htb-pace-mode .htb-switch {
  display: block;
  position: relative;
  width: 24px;
  height: 12px;
  border: 1px solid var(--htb-line);
  border-radius: 6px;
  background: var(--htb-dim);
}

.htb-switch i {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--htb);
  box-shadow: 0 0 4px rgba(180, 244, 105, 0.5);
  transition: transform 0.3s ease;
}

#htb-pace-mode[aria-checked="true"] .htb-switch i { transform: translateX(12px); }

/* Reset zoom: keeps its place while hidden, so showing it never moves the legend */
#htb-pace-reset {
  padding: 2px 8px;
  border: 1px solid var(--htb-line);
  border-radius: 20px;
  background: var(--htb-dim);
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  color: var(--htb);
  cursor: pointer;
}

#htb-pace-reset:not(.on) { visibility: hidden; }
#htb-pace-reset:hover    { background: rgba(180, 244, 105, 0.2); }

@media (prefers-reduced-motion: reduce) {
  #htb-pace-mode > span:not(.htb-switch),
  .htb-switch i { transition: none; }
}

.htb-key {
  display: inline-block;
  width: 16px;
  border-top: 2px solid var(--htb);
}

.htb-key.pace     { border-top-style: dashed; border-top-color: var(--orange); }
.htb-key.forecast { border-top-style: dotted; border-top-color: var(--cyan); }

#htb-pace-chart {
  position: relative;
  height: 210px;
  margin-top: 10px;
  border-radius: 6px;
}

#htb-pace-chart:focus-visible { outline: 2px solid var(--htb); outline-offset: 3px; }
#htb-pace-chart svg           { display: block; overflow: visible; touch-action: pan-y; }   /* a sideways drag selects, not scrolls */

.htb-pace-grid  { stroke: rgba(255, 255, 255, 0.06); }
.htb-pace-axis  { fill: var(--muted); font-family: var(--font-mono); font-size: 9px; }
.htb-pace-value { fill: var(--text); font-family: var(--font-mono); font-size: 10px; font-weight: 700; }

.htb-pace-module { stroke: rgba(180, 244, 105, 0.3); stroke-dasharray: 2 3; }

.htb-pace-line {
  fill: none;
  stroke-width: 2;
  stroke-linejoin: round;
}

.htb-pace-line.done { stroke: var(--htb); filter: drop-shadow(0 0 4px rgba(180, 244, 105, 0.5)); }
.htb-pace-line.pace { stroke: var(--orange); stroke-dasharray: 5 4; }
.htb-pace-line.forecast { stroke: var(--cyan); stroke-dasharray: 1 5; stroke-linecap: round; }

.htb-pace-dot          { fill: var(--htb); stroke: var(--bg-panel); stroke-width: 2; }
.htb-pace-dot.pace     { fill: var(--orange); }
.htb-pace-dot.forecast { fill: var(--cyan); }

.htb-pace-cross { stroke: rgba(255, 255, 255, 0.35); stroke-width: 1; }
.htb-pace-hit   { fill: transparent; cursor: crosshair; }
.htb-pace-brush { fill: rgba(180, 244, 105, 0.08); stroke: var(--htb-line); pointer-events: none; }

#htb-pace-tip {
  position: absolute;
  top: 0;
  z-index: 2;
  pointer-events: none;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 8px;
  background: rgba(10, 14, 26, 0.92);
  font-size: 0.75rem;
  white-space: nowrap;
}

.htb-pace-tip-date {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
}

.htb-pace-tip-row          { display: flex; align-items: center; gap: 8px; }
.htb-pace-tip-row b        { min-width: 16px; font-family: var(--font-mono); color: var(--text); }
.htb-pace-tip-row span     { color: var(--htb-muted); }
.htb-pace-tip-module       { margin-top: 4px; color: var(--text); font-size: 0.72rem; }

/* ─── 04 Milestones ─────────────────────────────────────────── */
#htb-badges {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 8px;
  margin-top: 4px;
}

.htb-badge {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}

.htb-badge-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 34px;
  height: 38px;
  border-radius: 8px;
  background: var(--htb-dim);
  border: 1px solid var(--htb-line);
  color: var(--htb);
  font-size: 15px;
}

.htb-badge.outside .htb-badge-icon {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--muted);
}

.htb-badge b {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.35;
}

.htb-badge small {
  display: block;
  margin-top: 3px;
  font-size: 0.72rem;
  color: var(--muted);
}

#htb-other-badges {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

/* ─── Sources line ──────────────────────────────────────────── */
#htb-sources {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  flex-shrink: 0;
  padding: 0 4px 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--muted);
}

#htb-sources > span:first-child {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0;
  color: var(--htb);
}

#htb-sources a { text-decoration: underline; text-underline-offset: 3px; }
#htb-sources a:hover { color: var(--htb); }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1100px) {
  #htb-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  #htb-main-grid,
  #htb-activity-grid { grid-template-columns: 1fr; }

  /* Stacked: nothing to line up with, so the list gets a fixed height */
  #htb-sections-list { flex: none; max-height: 360px; }

  #htb-activity-summary {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding: 16px 0 0;
  }
}

@media (max-width: 600px) {
  #htb-hero,
  .htb-section-head { flex-direction: column; align-items: flex-start; }
  #htb-hero-meta    { align-items: flex-start; text-align: left; }
  #htb-stats        { grid-template-columns: 1fr; }
  #htb-chart        { gap: 8px; }
  .htb-module-row   { flex-wrap: wrap; gap: 6px 12px; }
  .htb-module-row small { margin-left: 35px; }
}