/* Reference Library — client-facing static site, hub skin (light paper / indigo). */
:root{
  --indigo:#2C15BA;--indigo-light:#6959CF;--lavender:#A299DD;
  --ink:#0E0D1A;--grey:#5E5E67;--grey-light:#9F9FA4;--paper:#FAFAFA;--white:#FFFFFF;--line:#ece9f6;
  --green:#2e7d54;
  --sans:"Poppins",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;line-height:1.5;
  background-image:radial-gradient(1200px 600px at 85% -10%, #efeaff 0%, rgba(250,247,255,0) 60%);min-height:100vh;display:flex;flex-direction:column}
a{color:var(--indigo)}

/* ---------- top bar ---------- */
.topbar{display:flex;align-items:center;gap:1.4rem;padding:1.1rem clamp(1.4rem,4vw,3rem);
  border-bottom:1px solid var(--line);background:rgba(250,250,250,.85);backdrop-filter:blur(10px);position:sticky;top:0;z-index:20}
.home-link{font-size:.85rem;font-weight:600;text-decoration:none;color:var(--grey)}
.home-link:hover{color:var(--indigo)}
.brand{font-weight:800;font-size:1.05rem;letter-spacing:-.01em}
.brand-accent{font-family:"Mona",cursive;font-weight:400;color:var(--indigo);font-size:1.55rem;margin-right:.15rem}
.topnav{margin-left:auto;display:flex;gap:.4rem}
.topnav a{text-decoration:none;font-weight:600;font-size:.88rem;color:var(--grey);padding:.4rem .95rem;border-radius:999px;transition:all .15s}
.topnav a:hover{color:var(--indigo)}
.topnav a.on{background:var(--indigo);color:#fff}

/* ---------- layout ---------- */
.main{flex:1;width:100%;max-width:1180px;margin:0 auto;padding:clamp(1.8rem,4vw,3rem) clamp(1.4rem,4vw,3rem) 4rem}
.foot{padding:1.4rem clamp(1.4rem,4vw,3rem);border-top:1px solid var(--line);color:var(--grey-light);font-size:.85rem}
.foot b{color:var(--ink)}

.eyebrow{font-size:.76rem;letter-spacing:.22em;text-transform:uppercase;color:var(--indigo);font-weight:700;margin-bottom:.7rem}
h1.page-title{font-weight:800;font-size:clamp(1.9rem,4vw,2.8rem);line-height:1.06;letter-spacing:-.02em}
h1.page-title .hand{font-family:"Mona",cursive;font-weight:400;color:var(--indigo);font-size:1.4em}
.lede{color:var(--grey);max-width:62ch;line-height:1.6;margin-top:.8rem;font-size:.98rem}
.lede a{font-weight:600;text-decoration:none}
.lede a:hover{text-decoration:underline}

.section-label{display:flex;align-items:center;gap:.9rem;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--indigo-light);font-weight:700;margin:2.2rem 0 1rem}
.section-label .line{flex:1;height:1px;background:var(--line)}

/* ---------- filter pills ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .6rem;margin:1.6rem 0 1.4rem}
.group-name{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--grey-light);margin-right:.2rem}
.pill-group{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem}
.filter-sep{width:1px;height:1.4rem;background:var(--line);margin:0 .5rem}
.fpill{font-family:var(--sans);font-size:.8rem;font-weight:600;color:var(--grey);background:var(--white);
  border:1px solid var(--line);border-radius:999px;padding:.32rem .85rem;cursor:pointer;transition:all .15s}
.fpill:hover{border-color:var(--lavender);color:var(--indigo)}
.fpill.on{background:var(--indigo);border-color:var(--indigo);color:#fff}
.result-count{font-size:.78rem;color:var(--grey-light);margin-left:auto}

/* ---------- ref cards (9:16 thumbs) ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.2rem}
a.ref-card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  text-decoration:none;color:inherit;box-shadow:0 8px 24px rgba(44,21,186,.05);transition:transform .18s ease, box-shadow .18s ease, border-color .18s}
a.ref-card:hover{transform:translateY(-4px);box-shadow:0 16px 38px rgba(44,21,186,.12);border-color:#d9d1f6}
.ref-thumb{aspect-ratio:9/16;background:#f1effa;position:relative;overflow:hidden}
.ref-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.cat-badge{position:absolute;left:.6rem;bottom:.6rem;font-size:.62rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--indigo);background:rgba(255,255,255,.92);border-radius:999px;padding:.22rem .6rem;box-shadow:0 3px 10px rgba(44,21,186,.14)}
.still-badge{position:absolute;right:.6rem;top:.6rem;font-size:.6rem;font-weight:700;letter-spacing:.08em;
  color:#fff;background:var(--indigo-light);border-radius:999px;padding:.2rem .55rem}
.dur-badge{position:absolute;right:.6rem;bottom:.6rem;font-size:.66rem;font-weight:700;color:#fff;
  background:rgba(14,13,26,.65);border-radius:999px;padding:.18rem .5rem}
.ref-body{padding:.85rem .95rem 1rem}
.ref-title{font-weight:700;font-size:.92rem;line-height:1.3;letter-spacing:-.01em}
.ref-meta{color:var(--grey-light);font-size:.74rem;margin-top:.3rem}

/* ---------- detail ---------- */
.back-link{display:inline-block;font-size:.85rem;font-weight:600;text-decoration:none;color:var(--grey);margin-bottom:1rem}
.back-link:hover{color:var(--indigo)}
.detail-layout{display:grid;grid-template-columns:340px 1fr;gap:2.2rem;margin-top:1.4rem}
@media(max-width:900px){.detail-layout{grid-template-columns:1fr}}
.player{border-radius:18px;overflow:hidden;background:#0e0d1a;border:1px solid var(--line);box-shadow:0 12px 34px rgba(44,21,186,.10)}
.player video{width:100%;display:block;aspect-ratio:9/16;object-fit:contain;background:#0e0d1a}
.player-still{width:100%;border-radius:18px;border:1px solid var(--line);box-shadow:0 12px 34px rgba(44,21,186,.10);cursor:zoom-in;display:block}
.player-caption{font-size:.75rem;color:var(--grey-light);margin-top:.55rem;text-align:center}
.metric-row{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.9rem}
.chip{font-size:.72rem;font-weight:600;color:var(--grey);background:var(--white);border:1px solid var(--line);border-radius:999px;padding:.22rem .65rem}
.chip.accent{color:var(--indigo);border-color:#d9d1f6;background:#f4f1ff}

.detail-summary{color:var(--grey);font-size:.95rem;line-height:1.6;margin:.2rem 0 1.1rem}
.tabs{display:flex;flex-wrap:wrap;gap:.35rem;border-bottom:1px solid var(--line);padding-bottom:.7rem;margin-bottom:1.2rem}
.tab{font-family:var(--sans);font-size:.8rem;font-weight:600;color:var(--grey);background:transparent;border:1px solid transparent;
  border-radius:999px;padding:.34rem .85rem;cursor:pointer;transition:all .15s}
.tab:hover{color:var(--indigo);background:#f4f1ff}
.tab.on{background:var(--indigo);color:#fff}

/* kv cards */
.kv-grid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
@media(max-width:640px){.kv-grid{grid-template-columns:1fr}}
.kv-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:.9rem 1rem;box-shadow:0 6px 18px rgba(44,21,186,.04)}
.kv-card.wide{grid-column:1/-1}
.kv-card .k{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--indigo-light);margin-bottom:.4rem}
.kv-card .v{font-size:.9rem;line-height:1.55;color:var(--ink)}
.kv-card .v ul{padding-left:1.1rem}
.formula-box{font-size:.95rem;font-weight:600;color:var(--indigo);background:#f4f1ff;border:1px dashed var(--lavender);
  border-radius:10px;padding:.7rem .9rem;line-height:1.5}

.tabpane h4{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--indigo-light);margin:1.5rem 0 .7rem}
.tabpane h4:first-child{margin-top:0}
.transcript-block{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:1rem 1.1rem;
  font-size:.9rem;line-height:1.7;color:var(--ink);box-shadow:0 6px 18px rgba(44,21,186,.04);white-space:pre-wrap}

/* editing breakdown */
.board-strip{width:100%;border-radius:12px;border:1px solid var(--line);cursor:zoom-in;display:block;box-shadow:0 6px 18px rgba(44,21,186,.06)}
.stat-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:.7rem}
.stat-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:.8rem .9rem;box-shadow:0 6px 18px rgba(44,21,186,.04)}
.stat-card .num{font-weight:800;font-size:1.25rem;letter-spacing:-.02em;color:var(--ink);line-height:1.2}
.stat-card .lab{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--grey-light);margin-top:.25rem}
.cadence-chart{display:flex;align-items:flex-end;gap:4px;background:var(--white);border:1px solid var(--line);border-radius:14px;
  padding:1.4rem .9rem .7rem;overflow-x:auto;box-shadow:0 6px 18px rgba(44,21,186,.04)}
.cadence-bar{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:26px}
.cadence-bar .dur{font-size:.58rem;color:var(--grey-light);white-space:nowrap}
.cadence-bar .bar{width:14px;border-radius:4px 4px 2px 2px;background:var(--indigo-light);display:block}
.cadence-bar.aroll .bar{background:var(--green)}
.cadence-bar .sh{font-size:.58rem;color:var(--grey-light)}
.cadence-legend{display:flex;gap:1.2rem;font-size:.74rem;color:var(--grey);margin-top:.6rem}
.cadence-legend .dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:.35rem;vertical-align:-1px}

.list-panel{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 6px 18px rgba(44,21,186,.04)}
.list-row{display:flex;align-items:center;gap:.7rem;padding:.6rem .9rem;border-bottom:1px solid var(--line);font-size:.85rem}
.list-row:last-child{border-bottom:none}
.list-row .grow{flex:1;min-width:0}
.shot-kind{font-size:.62rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;border-radius:6px;padding:.16rem .45rem;white-space:nowrap}
.shot-kind.a{color:var(--green);background:#e6f2ec}
.shot-kind.s{color:var(--indigo);background:#f4f1ff}
.mono{font-family:ui-monospace,Menlo,monospace;font-size:.72rem;color:var(--grey-light);white-space:nowrap}

/* techniques */
.el-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1.1rem}
.el-card{background:var(--white);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(44,21,186,.05);
  display:flex;flex-direction:column;transition:transform .18s ease, box-shadow .18s ease}
.el-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(44,21,186,.10)}
.el-img{aspect-ratio:9/12;background:#f1effa;position:relative;overflow:hidden;cursor:zoom-in}
.el-img img{width:100%;height:100%;object-fit:cover;display:block}
.el-type{position:absolute;left:.6rem;top:.6rem;font-size:.62rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#fff;background:var(--indigo);border-radius:999px;padding:.22rem .6rem}
.el-body{padding:.85rem .95rem 1rem;display:flex;flex-direction:column;flex:1}
.el-title{font-weight:700;font-size:.88rem;line-height:1.35}
.el-notes{color:var(--grey);font-size:.78rem;line-height:1.5;margin-top:.4rem;flex:1}
.el-src{font-size:.74rem;font-weight:600;color:var(--indigo);text-decoration:none;margin-top:.7rem}
.el-src:hover{text-decoration:underline}

.empty-note{color:var(--grey);background:var(--white);border:1px dashed var(--lavender);border-radius:14px;padding:1.1rem 1.2rem;font-size:.9rem}

/* lightbox */
#lightbox{position:fixed;inset:0;background:rgba(14,13,26,.88);display:none;align-items:center;justify-content:center;z-index:100;cursor:zoom-out;flex-direction:column;gap:.8rem;padding:2rem}
#lightbox.open{display:flex}
#lightbox img{max-width:94vw;max-height:86vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb-hint{color:rgba(255,255,255,.55);font-size:.78rem}