/* ==========================================================
   Built by Habit — reader design system
   Shared by every gated book page (chapters, day pages, hub).
   Loads after styles.css and inherits its tokens/fonts.
   ========================================================== */

/* ---------- Utility bar (personalization watermark) ---------- */
.reader-bar{background:var(--bg-panel); border-bottom:1px solid var(--line);}
.reader-bar .wrap{display:flex; justify-content:flex-end; padding:8px 24px;}
.reader-bar span{font-size:11px; color:var(--ink-muted); letter-spacing:0.04em;}

/* ---------- Chapter hero (shared by every page type) ---------- */
.chapter-hero{padding:56px 0 8px;}
.chapter-hero .wrap{max-width:760px;}
.chapter-hero h1{font-size:clamp(30px, 4vw, 44px); margin:14px 0 0;}
.chapter-hero p.sub{color:var(--ink-muted); font-size:16.5px; max-width:56ch; margin-top:16px;}

/* ---------- Exercise-day list (Chapter 02 days, Chapter 03 core) ---------- */
.day-list{max-width:760px; margin:40px auto 0;}
.day-row{
  display:grid; grid-template-columns:40px 1fr auto; align-items:center; gap:20px;
  padding:18px 0; border-bottom:1px solid var(--line); text-decoration:none;
}
.day-row:first-child{border-top:1px solid var(--line);}
.day-row .chapter-num{font-size:15px; font-family:'IBM Plex Mono', monospace; color:var(--gold);}
.day-row h4{font-family:'Space Grotesk'; font-size:16px; font-weight:700; color:var(--ink); margin:0;}
.day-row .sets{font-family:'IBM Plex Mono', monospace; font-size:12.5px; color:var(--ink-muted); margin-top:3px;}
.day-row .watch{font-size:13px; color:var(--gold); white-space:nowrap;}
.day-row:hover h4{color:var(--gold-bright);}
.day-row.featured{border-left:2px solid var(--gold); padding-left:14px;}

/* ---------- Featured technique block ---------- */
.technique{max-width:760px; margin:64px auto 0;}
.technique-tag{font-size:11px; color:var(--gold); margin-bottom:10px; display:block;}
.technique h2{font-size:clamp(24px,3vw,30px); margin-bottom:26px;}

.angle-tabs{display:flex; background:var(--bg-panel); border:1px solid var(--line); border-radius:6px; padding:4px; gap:4px;}
.angle-tab{flex:1; text-align:center; padding:10px 6px; border-radius:4px; font-family:'IBM Plex Mono', monospace; font-size:11.5px; letter-spacing:0.05em; text-transform:uppercase; color:var(--ink-muted); cursor:pointer;}
.angle-tab.active{background:var(--gold); color:var(--bg);}

.video-frame{
  margin-top:14px; position:relative; width:100%; aspect-ratio:16/9;
  background:#000; border:1px solid var(--line); border-radius:6px;
  display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.video-frame .placeholder-label{position:absolute; top:12px; left:14px; font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.05em; text-transform:uppercase; color:var(--ink-muted);}
.play-btn{width:66px; height:66px; border-radius:50%; background:var(--gold); display:flex; align-items:center; justify-content:center; cursor:pointer;}
.play-btn:hover{background:var(--gold-bright);}
.play-tri{width:0; height:0; border-top:13px solid transparent; border-bottom:13px solid transparent; border-left:20px solid var(--bg); margin-left:5px;}
.video-duration{position:absolute; right:12px; bottom:12px; background:rgba(0,0,0,0.6); color:var(--ink); font-family:'IBM Plex Mono', monospace; font-size:11px; padding:4px 9px; border-radius:2px;}

.tech-block{margin-top:36px;}
.tech-block h3{font-family:'Space Grotesk'; font-size:18px; font-weight:700; color:var(--ink); margin-bottom:10px;}
.tech-block p{color:var(--ink-muted); font-size:15.5px; line-height:1.7; margin:0;}

.steps{display:flex; flex-direction:column; gap:14px; margin-top:4px;}
.step-row{display:flex; align-items:flex-start; gap:14px;}
.step-num{
  width:24px; height:24px; border-radius:50%; background:var(--gold); color:var(--bg);
  font-family:'IBM Plex Mono', monospace; font-size:11px; font-weight:700;
  display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:1px;
}
.step-row p{color:var(--ink-muted); font-size:15.5px; line-height:1.6; margin:0;}

.mistake-card{
  background:var(--bg-panel); border:1px solid var(--line); border-left:2px solid var(--gold);
  border-radius:4px; padding:14px 16px; margin-top:10px;
}
.mistake-card .title{font-size:13.5px; font-weight:600; color:var(--gold-bright); margin-bottom:4px;}
.mistake-card p{color:var(--ink-muted); font-size:14px; line-height:1.6; margin:0;}

/* ---------- Photo placeholder (for non-video reference images) ---------- */
.photo-frame{
  margin-top:14px; width:100%; min-height:220px; background:var(--bg-panel);
  border:1px dashed var(--line); border-radius:6px;
  display:flex; align-items:center; justify-content:center; text-align:center; padding:24px;
}
.photo-frame span{font-family:'IBM Plex Mono', monospace; font-size:11.5px; letter-spacing:0.05em; text-transform:uppercase; color:var(--ink-muted);}

/* ---------- Prose chapters (01, 06) ---------- */
.prose-body{max-width:680px; margin:48px auto 0;}
.prose-body p{color:var(--ink-muted); font-size:16.5px; line-height:1.8; margin:0 0 22px;}
.prose-body h3{font-family:'Space Grotesk'; font-size:19px; font-weight:700; color:var(--ink); margin:40px 0 14px;}
.prose-body h4{font-family:'Space Grotesk'; font-size:16.5px; font-weight:700; color:var(--gold-bright); margin:28px 0 10px;}
.prose-body ul{list-style:none; margin:0 0 22px; padding:0;}
.prose-body ul li{position:relative; padding-left:20px; color:var(--ink-muted); font-size:15.5px; line-height:1.7; margin-bottom:10px;}
.prose-body ul li::before{content:'—'; position:absolute; left:0; color:var(--gold);}
.prose-body ul li strong{color:var(--ink);}
.prose-body blockquote{
  margin:0 0 22px; padding:2px 0 2px 18px; border-left:2px solid var(--line);
  font-style:italic; color:var(--ink); font-size:16px;
}
.pull-quote{
  border-left:2px solid var(--gold); padding:4px 0 4px 22px; margin:36px 0;
  font-family:'Space Grotesk'; font-size:19px; font-weight:500; color:var(--ink); line-height:1.5;
}
.pull-quote cite{display:block; margin-top:10px; font-family:'IBM Plex Mono', monospace; font-style:normal; font-size:11px; color:var(--ink-muted); text-transform:uppercase; letter-spacing:0.05em;}

/* ---------- Reference tables (04, 08) ---------- */
.ref-table-hint{display:none; max-width:760px; margin:10px auto 0; text-align:right; font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.05em; text-transform:uppercase; color:var(--ink-muted);}
.ref-table-wrap{max-width:760px; margin:44px auto 0; overflow-x:auto; border:1px solid var(--line); border-radius:6px;}
table.ref-table{width:100%; border-collapse:collapse; min-width:520px;}
table.ref-table th{
  font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.06em; text-transform:uppercase;
  color:var(--ink-muted); text-align:left; padding:14px 18px; background:var(--bg-panel); border-bottom:1px solid var(--line);
}
table.ref-table td{padding:14px 18px; border-bottom:1px solid var(--line); font-size:14.5px; color:var(--ink);}
table.ref-table tr:last-child td{border-bottom:none;}
table.ref-table td.muted{color:var(--ink-muted);}
table.ref-table td.gold{color:var(--gold-bright); font-family:'IBM Plex Mono', monospace; font-size:13px;}

/* ---------- Checklist chapters (05, 07) ---------- */
.checklist{max-width:680px; margin:44px auto 0; display:flex; flex-direction:column; gap:2px;}
.check-row{
  display:flex; align-items:flex-start; gap:16px; padding:18px 20px;
  background:var(--bg-panel); border:1px solid var(--line); border-radius:6px;
}
.check-box{
  width:20px; height:20px; border:1.5px solid var(--gold); border-radius:3px; flex-shrink:0; margin-top:2px; accent-color:var(--gold);
}
.check-row label{font-size:15px; color:var(--ink); line-height:1.5; cursor:pointer;}
.check-row .note{display:block; margin-top:4px; font-size:13px; color:var(--ink-muted); line-height:1.5;}
.checklist-result{
  max-width:680px; margin:24px auto 0; padding:16px 20px; border-radius:6px;
  border:1px solid var(--line); background:transparent; font-size:13.5px; color:var(--ink-muted);
}

/* ---------- Coaching nudge (contextual, reuses audience-card.yes language) ---------- */
.coaching-nudge{
  max-width:760px; margin:56px auto 0; border-radius:6px; padding:24px 26px;
  border:1px solid var(--gold); background:rgba(201,168,76,0.06);
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
}
.coaching-nudge h3{font-size:17px; margin-bottom:6px;}
.coaching-nudge p{color:var(--ink-muted); font-size:14.5px; margin:0;}

/* ---------- Chapter pagination ---------- */
.chapter-pager{
  max-width:760px; margin:56px auto 0; padding-top:20px; border-top:1px solid var(--line);
  display:flex; justify-content:space-between; gap:16px;
}
.chapter-pager .lbl{font-size:11px; color:var(--ink-muted); letter-spacing:0.05em; text-transform:uppercase; font-family:'IBM Plex Mono', monospace;}
.chapter-pager .name{font-family:'Space Grotesk'; font-size:15px; font-weight:700; color:var(--ink); margin-top:4px;}
.chapter-pager a:hover .name{color:var(--gold-bright);}
.chapter-pager .next{text-align:right;}

.reader-note{text-align:center; font-size:12px; color:var(--ink-muted); margin:40px 0 0;}

/* ---------- Hub / table of contents ---------- */
.hub-progress{max-width:760px; margin:36px auto 0; display:flex; align-items:center; gap:14px;}
.hub-progress-track{flex:1; height:4px; background:var(--line); border-radius:2px; overflow:hidden;}
.hub-progress-fill{height:100%; background:var(--gold);}
.hub-progress-label{font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--ink-muted); white-space:nowrap;}

.hub-list{max-width:760px; margin:32px auto 0;}
.hub-chapter{border-bottom:1px solid var(--line); padding:24px 0;}
.hub-chapter:first-child{border-top:1px solid var(--line);}
.hub-chapter-top{display:grid; grid-template-columns:56px 1fr; gap:24px; text-decoration:none;}
.hub-chapter-top:hover h3{color:var(--gold-bright);}
.hub-chapter .chapter-num{font-family:'IBM Plex Mono', monospace; color:var(--gold); font-size:18px;}
.hub-chapter h3{font-size:18px; margin-bottom:6px;}
.hub-chapter p{color:var(--ink-muted); font-size:14.5px; margin:0; max-width:60ch;}
.hub-sub-days{display:flex; flex-direction:column; gap:2px; margin:16px 0 0 80px;}
.hub-sub-day{display:flex; align-items:center; justify-content:space-between; padding:10px 16px; background:var(--bg-panel); border:1px solid var(--line); border-radius:4px; text-decoration:none;}
.hub-sub-day span:first-child{font-size:14px; color:var(--ink); font-weight:500;}
.hub-sub-day span:last-child{font-size:11px; color:var(--gold); font-family:'IBM Plex Mono', monospace;}
.hub-sub-day:hover span:first-child{color:var(--gold-bright);}

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .day-row{grid-template-columns:32px 1fr; row-gap:4px;}
  .day-row .watch{grid-column:2;}
  .coaching-nudge{flex-direction:column; align-items:flex-start;}
  .hub-chapter-top{grid-template-columns:32px 1fr;}
  .hub-sub-days{margin-left:56px;}
}

@media (max-width: 560px){
  .ref-table-hint{display:block;}
  .reader-bar .wrap{padding:8px 16px;}
  .angle-tabs{flex-wrap:wrap;}
  .angle-tab{flex:1 1 45%;}
  .chapter-pager{flex-direction:column; gap:20px;}
  .chapter-pager .next{text-align:left;}
  .play-btn{width:54px; height:54px;}
  .play-tri{border-top-width:10px; border-bottom-width:10px; border-left-width:16px;}
  .check-row{padding:14px 16px;}
  .pull-quote{font-size:17px; padding-left:16px;}
}

/* ==========================================================
   V7 additions — callouts, exercise-meta, exchange tags,
   reflection questions, weekly tracker, subsection labels
   ========================================================== */

/* ---------- Named callout boxes (PRINCIPLE, REFRAME, IMPORTANT, etc.) ---------- */
.callout{
  max-width:680px; margin:32px auto; padding:20px 24px;
  background:var(--bg-panel); border:1px solid var(--line); border-left:3px solid var(--gold);
  border-radius:4px;
}
.callout-label{
  display:block; font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--gold); margin-bottom:8px;
}
.callout p{color:var(--ink); font-size:16px; line-height:1.6; margin:0; font-style:italic;}

.warning-callout{
  max-width:680px; margin:24px auto; padding:16px 20px;
  background:rgba(201,168,76,0.08); border:1px solid var(--gold); border-radius:4px;
  display:flex; gap:12px; align-items:flex-start;
}
.warning-callout .icon{flex-shrink:0; font-size:16px; line-height:1.5; color:var(--gold-bright);}
.warning-callout p{color:var(--ink); font-size:14.5px; line-height:1.6; margin:0;}

/* ---------- Subsection label (mid-page dividers, e.g. "Biceps — begin only after...") ---------- */
.subsection-label{
  max-width:760px; margin:44px auto 0; padding-top:24px; border-top:1px solid var(--line);
  font-family:'Space Grotesk'; font-size:16px; font-weight:700; color:var(--gold-bright);
}
.subsection-label .note{display:block; font-family:'Inter'; font-weight:400; font-size:14px; color:var(--ink-muted); margin-top:4px;}

/* ---------- Exercise meta line (sets x reps | rest) ---------- */
.exercise-meta{
  font-family:'IBM Plex Mono', monospace; font-size:13.5px; color:var(--gold-bright);
  margin-top:6px; display:block;
}
.variations-note{
  margin-top:14px; padding:12px 16px; background:var(--bg-panel); border-radius:4px; border:1px solid var(--line);
}
.variations-note .label{font-family:'IBM Plex Mono', monospace; font-size:10.5px; letter-spacing:0.06em; text-transform:uppercase; color:var(--gold); display:block; margin-bottom:6px;}
.variations-note p{color:var(--ink-muted); font-size:14px; line-height:1.6; margin:0;}

/* ---------- Exercise cards repeated down a day page ---------- */
.technique{scroll-margin-top:24px;}
.technique + .technique{margin-top:56px; padding-top:56px; border-top:1px solid var(--line);}

/* ---------- Exercise Exchange (tagged reference) ---------- */
.exchange-day{max-width:760px; margin:52px auto 0;}
.exchange-day > h3{font-size:20px; margin-bottom:18px;}
.exchange-entry{
  display:grid; grid-template-columns:110px 1fr; gap:18px; padding:16px 0;
  border-bottom:1px solid var(--line); align-items:start;
}
.exchange-entry:first-child{border-top:1px solid var(--line);}
.exchange-tag{
  font-family:'IBM Plex Mono', monospace; font-size:10px; letter-spacing:0.06em; text-transform:uppercase;
  padding:4px 9px; border-radius:2px; text-align:center; height:fit-content; white-space:nowrap;
}
.exchange-tag.primary{background:rgba(201,168,76,0.15); color:var(--gold-bright);}
.exchange-tag.alt{background:transparent; color:var(--ink-muted); border:1px solid var(--line);}
.exchange-tag.advanced{background:rgba(201,168,76,0.25); color:var(--gold-bright); border:1px solid var(--gold);}
.exchange-tag.extra{background:transparent; color:var(--gold); border:1px dashed var(--gold);}
.exchange-tag.optional{background:transparent; color:var(--ink-muted); border:1px dotted var(--line);}
.exchange-entry h4{font-size:15px; color:var(--ink); margin:0 0 4px;}
.exchange-entry p{color:var(--ink-muted); font-size:14px; line-height:1.6; margin:0;}

/* ---------- Reflection questions (hub page, persisted) ---------- */
.reflection-block{max-width:680px; margin:40px auto 0; display:flex; flex-direction:column; gap:22px;}
.reflection-item{background:var(--bg-panel); border:1px solid var(--line); border-radius:6px; padding:20px 22px;}
.reflection-item label{display:block; font-family:'Space Grotesk'; font-size:15.5px; font-weight:700; color:var(--ink); margin-bottom:6px;}
.reflection-item .hint{display:block; font-size:13.5px; color:var(--ink-muted); margin-bottom:12px; line-height:1.5;}
.reflection-item textarea{
  width:100%; box-sizing:border-box; background:var(--bg); border:1px solid var(--line); border-radius:4px;
  color:var(--ink); font-family:Inter, sans-serif; font-size:14.5px; padding:12px 14px; resize:vertical; min-height:64px;
}
.reflection-item textarea:focus{outline:none; border-color:var(--gold);}
.reflection-status{font-size:12px; color:var(--ink-muted); text-align:right; margin-top:8px; min-height:14px;}

/* ---------- Weekly tracker (persisted) ---------- */
.tracker-list{max-width:760px; margin:40px auto 0; display:flex; flex-direction:column; gap:16px;}
.tracker-week{background:var(--bg-panel); border:1px solid var(--line); border-radius:6px; padding:22px 24px;}
.tracker-week h4{font-family:'IBM Plex Mono', monospace; font-size:12px; letter-spacing:0.06em; text-transform:uppercase; color:var(--gold); margin:0 0 16px;}
.tracker-row{display:grid; grid-template-columns:1fr 1fr 1fr; gap:14px; margin-bottom:14px;}
.tracker-field label{display:block; font-size:12px; color:var(--ink-muted); margin-bottom:6px;}
.tracker-field select, .tracker-field input[type="number"]{
  width:100%; box-sizing:border-box; background:var(--bg); border:1px solid var(--line); border-radius:4px;
  color:var(--ink); font-family:'IBM Plex Mono', monospace; font-size:14px; padding:9px 10px;
}
.tracker-notes{display:flex; flex-direction:column; gap:10px;}
.tracker-notes label{display:block; font-size:12px; color:var(--ink-muted); margin-bottom:5px;}
.tracker-notes textarea{
  width:100%; box-sizing:border-box; background:var(--bg); border:1px solid var(--line); border-radius:4px;
  color:var(--ink); font-family:Inter, sans-serif; font-size:14px; padding:10px 12px; resize:vertical; min-height:44px;
}
.tracker-week select:focus, .tracker-week input:focus, .tracker-week textarea:focus{outline:none; border-color:var(--gold);}
.tracker-save-bar{max-width:760px; margin:20px auto 0; display:flex; justify-content:flex-end; align-items:center; gap:14px;}
.tracker-save-bar button{
  background:var(--gold); color:var(--bg); border:none; border-radius:2px; padding:11px 22px;
  font-weight:600; font-size:14px; cursor:pointer; font-family:Inter, sans-serif;
}
.tracker-save-bar button:hover{background:var(--gold-bright);}
.tracker-save-status{font-size:12.5px; color:var(--ink-muted);}
.tracker-score-msg{font-size:12.5px; color:var(--ink-muted); margin:-2px 0 14px; min-height:16px; font-style:italic;}
.tracker-score-msg.good{color:var(--gold-bright);}
.tracker-score-msg.warn{color:var(--gold);}

@media (max-width: 560px){
  .exchange-entry{grid-template-columns:1fr; gap:8px;}
  .exchange-tag{width:fit-content;}
  .tracker-row{grid-template-columns:1fr 1fr;}
}