/* ══════════════════════════════════════════════════════════════
   ALM ACADEMY — member HQ
   Same lane as the calculator: exchange signage. Deep petrol green
   field, mint tabular digits, hairline rules, hard edges. This is
   the console version of that board.

   Tokens mirror /styles.css. DESIGN.md is the source of truth for
   both; if a colour changes there, change it in both files.
   ══════════════════════════════════════════════════════════════ */

:root{
  /* surfaces */
  --field:      #03211C;
  --field-deep: #01100D;
  --panel:      #052B24;
  --panel-hi:   #073830;
  --rule:       #0E4A3F;
  --rule-soft:  #0A3A31;

  /* accent */
  --mint:      #97FCE4;
  --mint-deep: #50D2C1;
  --mint-dim:  rgba(151,252,228,.13);

  /* ink */
  --ink:   #EAF6F2;
  --ink-2: #8FB3AA;
  --ink-3: #5B8078;

  --sans: "Archivo", ui-sans-serif, system-ui, sans-serif;
  --mono: "Martian Mono", ui-monospace, SFMono-Regular, monospace;

  --ease: cubic-bezier(.16,1,.3,1);

  --rail: 236px;
  --top:  74px;
  --pad:  clamp(1.1rem, 2.6vw, 2.4rem);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }

body{
  margin:0;
  min-height:100dvh;
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr);
  background:var(--field);
  color:var(--ink);
  font-family:var(--sans);
  font-variation-settings:"wdth" 100,"wght" 400;
  font-size:clamp(.93rem,.9rem + .16vw,1rem);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{ margin:0; line-height:1.06; letter-spacing:-.02em; }
p{ margin:0; }
ul,ol{ margin:0; padding:0; }
a{ color:inherit; }

.sr{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }
.skip{
  position:absolute; left:-9999px; top:0; z-index:90;
  background:var(--mint); color:var(--field-deep); padding:.75rem 1.25rem; font-weight:700;
}
.skip:focus{ left:0; }

:where(a,button,input,summary,[tabindex]):focus-visible{
  outline:2px solid var(--mint); outline-offset:3px; border-radius:2px;
}

.ic{ width:17px; height:17px; flex:none; display:block; }

/* the shared uppercase micro-label */
.rail-lab,.eyeb{
  font-size:.6rem; font-weight:700; letter-spacing:.2em; text-transform:uppercase;
  color:var(--ink-3);
}

/* a live status dot, used in the rail and in the markets pill */
.dot{
  width:6px; height:6px; flex:none; background:var(--mint);
  box-shadow:0 0 0 3px rgba(151,252,228,.12);
}

/* ══════════════════════════════════════════════════════════════
   RAIL
   ══════════════════════════════════════════════════════════════ */
/* the rail is sticky and one viewport tall, so the column it sits in is painted
   by the body instead. Otherwise a long page shows field green under the rail. */
@media (min-width:1001px){
  body{
    background:linear-gradient(90deg,
      var(--field-deep) 0 calc(var(--rail) - 1px),
      var(--rule) calc(var(--rail) - 1px) var(--rail),
      var(--field) var(--rail));
  }
}

.rail{
  position:sticky; top:0; z-index:40;
  height:100dvh; overflow-y:auto; overscroll-behavior:contain;
  display:flex; flex-direction:column;
  background:var(--field-deep);
  border-right:1px solid var(--rule);
  padding:1.15rem 0 1rem;
}

.rail-top{ display:flex; align-items:flex-start; gap:.6rem; padding:0 1.15rem; }
.rail-brand{ display:flex; align-items:center; gap:.6rem; text-decoration:none; flex:1; min-width:0; }
.rail-alm{
  font-variation-settings:"wdth" 118,"wght" 900;
  font-size:1.5rem; line-height:1; color:var(--mint); letter-spacing:-.02em;
}
.rail-sub{
  font-size:.5rem; font-weight:700; letter-spacing:.19em; text-transform:uppercase;
  color:var(--ink-3); line-height:1.5; padding-left:.6rem; border-left:1px solid var(--rule);
}
.rail-x{
  display:none; padding:.4rem; background:none; border:1px solid var(--rule);
  border-radius:2px; color:var(--ink-2); cursor:pointer;
}

.rail-status{
  display:flex; align-items:center; gap:.5rem;
  margin:1.5rem 0 0; padding:0 1.15rem;
  font-size:.58rem; font-weight:700; letter-spacing:.2em; text-transform:uppercase; color:var(--mint-deep);
}

.rail-nav{ margin-top:1.5rem; }
.rail-lab{ margin:0 0 .7rem; padding:0 1.15rem; }
.rail-nav ul{ list-style:none; }

.nav-a{
  position:relative;
  display:flex; align-items:center; gap:.72rem;
  padding:.62rem 1.15rem;
  text-decoration:none; color:var(--ink-2);
  font-size:.86rem; font-weight:500;
  transition:color .22s var(--ease), background .22s var(--ease);
}
.nav-a .ic{ color:var(--ink-3); transition:color .22s var(--ease); }
.nav-a:hover{ color:var(--ink); background:rgba(151,252,228,.05); }
.nav-a:hover .ic{ color:var(--mint-deep); }
.nav-a.is-on{ color:var(--ink); background:var(--mint-dim); }
.nav-a.is-on .ic{ color:var(--mint); }
/* the marker is a hairline, not a fat stripe */
.nav-a.is-on::before{ content:""; position:absolute; left:0; top:0; bottom:0; width:2px; background:var(--mint); }
.nav-tag{
  margin-left:auto; padding:.12rem .34rem;
  font-family:var(--mono); font-size:.52rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
  color:var(--mint); border:1px solid var(--rule); background:var(--field-deep);
}
.nav-ext{ margin-left:auto; width:13px; height:13px; color:var(--ink-3); }
.nav-a .nav-tag + .nav-ext{ margin-left:.4rem; }

.scrim{ display:none; }

/* ══════════════════════════════════════════════════════════════
   TOP BAR
   ══════════════════════════════════════════════════════════════ */
.app{ min-width:0; display:flex; flex-direction:column; }

.top{
  position:sticky; top:0; z-index:30;
  display:flex; align-items:center; gap:1rem;
  min-height:var(--top); padding:.7rem var(--pad);
  background:rgba(3,33,28,.92);
  backdrop-filter:blur(9px); -webkit-backdrop-filter:blur(9px);
  border-bottom:1px solid var(--rule);
}
.top-menu{
  display:none; padding:.45rem; background:none; border:1px solid var(--rule);
  border-radius:2px; color:var(--ink-2); cursor:pointer;
}
.crumb{ min-width:0; flex:1; }
.crumb-p{
  font-family:var(--mono); font-size:.56rem; font-weight:600; letter-spacing:.16em;
  text-transform:uppercase; color:var(--ink-3);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.crumb-h{
  margin-top:.22rem;
  font-variation-settings:"wdth" 104,"wght" 700;
  font-size:clamp(1rem,2.2vw,1.22rem); letter-spacing:-.02em;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}

.top-r{ display:flex; align-items:center; gap:.9rem; }

.find{ position:relative; display:flex; align-items:center; }
.find-ic{ position:absolute; left:.65rem; color:var(--ink-3); pointer-events:none; width:15px; height:15px; }
#q{
  width:clamp(150px,20vw,244px); padding:.55rem 2.2rem .55rem 2.2rem;
  background:var(--field-deep); border:1px solid var(--rule); border-radius:2px;
  color:var(--ink); font-family:var(--sans); font-size:.82rem;
  transition:border-color .25s var(--ease), width .35s var(--ease);
}
#q::placeholder{ color:var(--ink-3); }
#q:focus{ outline:none; border-color:var(--mint); }
#q::-webkit-search-cancel-button{ -webkit-appearance:none; }
.find-k{
  position:absolute; right:.5rem; padding:.05rem .32rem;
  font-family:var(--mono); font-size:.58rem; color:var(--ink-3);
  border:1px solid var(--rule); border-radius:2px; pointer-events:none;
}
.find:focus-within .find-k{ opacity:0; }

.find-out{
  position:absolute; top:calc(100% + .5rem); right:0; z-index:50;
  width:min(78vw,380px); max-height:min(58vh,420px); overflow-y:auto;
  background:var(--field-deep); border:1px solid var(--rule); border-radius:2px;
  box-shadow:0 22px 48px rgba(0,0,0,.6);
}
.find-r{
  display:flex; align-items:center; gap:.7rem; width:100%;
  padding:.6rem .8rem; background:none; border:0; border-bottom:1px solid var(--rule-soft);
  color:var(--ink); text-align:left; text-decoration:none; cursor:pointer;
  font-family:var(--sans); font-size:.84rem;
}
.find-r:last-child{ border-bottom:0; }
.find-r:hover,.find-r.is-on{ background:var(--panel-hi); }
.find-r .ic{ color:var(--ink-3); width:15px; height:15px; }
.find-art{ width:64px; aspect-ratio:16/9; object-fit:cover; flex:none; border:1px solid var(--rule); border-radius:2px; }
.find-r b{ font-weight:600; display:block; }
.find-r i{ font-style:normal; font-size:.62rem; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-3); }
.find-r mark{ background:none; color:var(--mint); }
.find-none{ padding:1rem .85rem; font-size:.82rem; color:var(--ink-3); }

/* ══════════════════════════════════════════════════════════════
   VIEW
   ══════════════════════════════════════════════════════════════ */
#view{ flex:1; padding:clamp(1.6rem,4vw,3.4rem) var(--pad) clamp(2.5rem,5vw,4rem); outline:none; }
.wrap{ width:min(100%,1180px); }

@media (prefers-reduced-motion:no-preference){
  .anim{ animation:rise .6s var(--ease) both; }
  @keyframes rise{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:none; } }
}

/* ── page head ────────────────────────────────────────────── */
.phead{ display:flex; align-items:flex-end; justify-content:space-between; gap:2rem; flex-wrap:wrap; }
.phead-c{ min-width:0; max-width:62ch; }
.eyeb{ display:block; margin-bottom:.85rem; color:var(--mint-deep); }
.ph1{
  font-variation-settings:"wdth" 112,"wght" 860;
  font-size:clamp(2.2rem,5.2vw,3.9rem); letter-spacing:-.04em; line-height:.96; text-wrap:balance;
  color:var(--mint);
}
.plede{ margin-top:1rem; font-size:clamp(.95rem,1.6vw,1.06rem); color:var(--ink-2); text-wrap:pretty; }

.count{ text-align:right; line-height:.86; }
.count b{
  font-family:var(--mono); font-weight:700; color:var(--mint);
  font-size:clamp(2.6rem,7vw,4.4rem); letter-spacing:-.05em; font-variant-numeric:tabular-nums;
}
.count i{ display:block; margin-top:.5rem; font-style:normal; font-size:.58rem; font-weight:700; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-3); }

/* ── notice strip (self clearing) ─────────────────────────── */
.notice{
  display:flex; gap:.9rem; align-items:flex-start;
  margin-top:clamp(1.6rem,3vw,2.4rem); padding:.95rem 1.1rem;
  border:1px solid var(--rule); border-radius:2px;
  background:repeating-linear-gradient(135deg,var(--panel),var(--panel) 7px,var(--field-deep) 7px,var(--field-deep) 14px);
}
.notice .ic{ color:var(--mint-deep); margin-top:.15rem; }
.notice p{ font-size:.85rem; color:var(--ink-2); max-width:80ch; }
.notice b{ color:var(--ink); font-weight:700; }
.notice-a{ color:var(--mint); text-underline-offset:3px; font-weight:600; }

/* ══════════════════════════════════════════════════════════════
   BROWSE — the feature panel, the category rows, the cards.
   Artwork is each video's own opening screen. Title and
   description sit under the picture, never on top of it.
   ══════════════════════════════════════════════════════════════ */

/* ── the feature panel ───────────────────────────────────── */
.feat{
  position:relative; display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  margin-top:clamp(1.6rem,3vw,2.4rem);
  border:1px solid var(--rule); border-radius:2px; overflow:hidden;
  background:var(--panel); color:inherit; text-decoration:none;
  transition:border-color .28s var(--ease);
}
.feat:hover{ border-color:var(--mint-deep); }
.feat-art{ position:relative; aspect-ratio:16/9; background:var(--field-deep); }
.feat-art img{ width:100%; height:100%; object-fit:cover; display:block; }
.feat-veil{
  position:absolute; inset:0;
  background:linear-gradient(90deg,rgba(1,16,13,0) 45%,rgba(5,43,36,.85) 92%,var(--panel) 100%);
}
.feat-c{
  display:flex; flex-direction:column; align-items:flex-start; justify-content:center;
  gap:.55rem; padding:clamp(1.2rem,2.6vw,2.1rem);
}
.feat-t{
  font-variation-settings:"wdth" 108,"wght" 820;
  font-size:clamp(1.5rem,2.8vw,2.15rem); letter-spacing:-.03em; line-height:1.04;
  color:var(--mint); text-wrap:balance;
}
.feat-p{ font-size:.9rem; line-height:1.6; color:var(--ink-2); max-width:46ch; text-wrap:pretty; }
.feat-r{ display:flex; align-items:center; gap:1rem; margin-top:.7rem; }
.feat-time{ font-family:var(--mono); font-size:.66rem; color:var(--ink-3); font-variant-numeric:tabular-nums; }
.feat:hover .btn{ background:var(--mint-deep); border-color:var(--mint-deep); }

@media (max-width:820px){
  .feat{ grid-template-columns:1fr; }
  .feat-veil{ background:linear-gradient(180deg,rgba(1,16,13,0) 55%,rgba(5,43,36,.9) 94%,var(--panel) 100%); }
}

/* ── a category row ──────────────────────────────────────── */
.rows{ margin-top:clamp(2rem,4vw,3.2rem); }
.rowsec + .rowsec{ margin-top:clamp(2.4rem,4.4vw,3.6rem); }
.rowsec-h{
  display:flex; align-items:flex-end; justify-content:space-between; gap:1.5rem; flex-wrap:wrap;
  padding-bottom:.9rem; border-bottom:1px solid var(--rule);
}
.rowsec-h .eyeb{ margin-bottom:.6rem; }
.rowsec-t{ font-variation-settings:"wdth" 106,"wght" 780; font-size:clamp(1.15rem,2.2vw,1.5rem); letter-spacing:-.025em; }
.rowsec-t a{ text-decoration:none; }
.rowsec-t a:hover{ color:var(--mint); }
.rowsec-p{ margin-top:.45rem; font-size:.85rem; color:var(--ink-2); max-width:64ch; text-wrap:pretty; }
.rowsec-n{ text-align:right; line-height:1; white-space:nowrap; }
.rowsec-n b{ font-family:var(--mono); font-size:1.5rem; font-weight:700; color:var(--mint); font-variant-numeric:tabular-nums; }
.rowsec-n b i{ font-style:normal; color:var(--ink-3); font-size:.9rem; }
.rowsec-n > i{ display:block; margin-top:.45rem; font-style:normal; font-size:.55rem; font-weight:700; letter-spacing:.2em; text-transform:uppercase; color:var(--ink-3); }

/* ── the card ────────────────────────────────────────────── */
.cards{
  list-style:none; display:grid; gap:clamp(.9rem,1.7vw,1.3rem);
  grid-template-columns:repeat(auto-fill,minmax(258px,1fr));
  margin-top:clamp(1.1rem,2.2vw,1.6rem);
}
.card{
  display:block; text-decoration:none; color:inherit;
  transition:transform .26s var(--ease);
}
.card-art{
  position:relative; display:block; aspect-ratio:16/9;
  background:var(--field-deep); border:1px solid var(--rule); border-radius:2px; overflow:hidden;
  transition:border-color .26s var(--ease);
}
.card-art img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform .5s var(--ease); }
.card-veil{
  position:absolute; inset:0; background:rgba(1,16,13,.18);
  transition:background .26s var(--ease);
}
.card-play{
  position:absolute; inset:0; margin:auto; width:46px; height:46px;
  display:grid; place-items:center;
  background:rgba(1,16,13,.62); border:1px solid rgba(151,252,228,.45); border-radius:50%;
  color:var(--mint); opacity:0; transform:scale(.86);
  transition:opacity .26s var(--ease), transform .26s var(--ease);
}
.card-play .ic{ width:16px; height:16px; margin-left:2px; }
.card-time{
  position:absolute; right:.45rem; bottom:.45rem;
  padding:.16rem .38rem; border-radius:2px;
  background:rgba(1,16,13,.82);
  font-family:var(--mono); font-size:.58rem; color:var(--ink); font-variant-numeric:tabular-nums;
}
.card:hover .card-art{ border-color:var(--mint-deep); }
.card:hover .card-art img{ transform:scale(1.045); }
.card:hover .card-veil{ background:rgba(1,16,13,.42); }
.card:hover .card-play{ opacity:1; transform:scale(1); }
.card:focus-visible .card-play{ opacity:1; transform:scale(1); }

.card-c{ display:block; padding:.75rem .1rem 0; }
.card-t{
  display:block; font-size:.95rem; font-weight:700; letter-spacing:-.015em; line-height:1.28;
  color:var(--ink); text-wrap:balance;
}
.card:hover .card-t{ color:var(--mint); }
.card-b{ display:block; margin-top:.4rem; font-size:.8rem; line-height:1.55; color:var(--ink-2); text-wrap:pretty; }

/* a lesson whose video link is still missing keeps its artwork and says so */
.card.is-unlinked .card-time{ color:var(--ink-3); }

@media (prefers-reduced-motion:reduce){
  .card-art img, .card-play{ transition:none; }
  .card:hover .card-art img{ transform:none; }
}



/* ── preview: the admin looking at unpublished work ──────────── */
.pvw{
  display:flex; align-items:center; gap:.75rem; flex-wrap:wrap;
  margin-bottom:clamp(1.2rem,2.4vw,1.8rem); padding:.7rem .9rem;
  border:1px solid #D9B45E; background:rgba(217,180,94,.12);
  font-size:.82rem; color:#F0DCA8;
}
.pvw b{
  font-family:var(--mono); font-size:.58rem; font-weight:700;
  letter-spacing:.2em; text-transform:uppercase; color:#0F1005;
  background:#D9B45E; padding:.22rem .5rem; border-radius:2px;
}
.pvw span{ flex:1 1 20ch; min-width:0; }
.pvw a{ color:#FFF0C9; font-weight:700; text-underline-offset:3px; white-space:nowrap; }

.pvw.is-off{ border-color:#A34141; background:rgba(163,65,65,.16); color:#FFC9C9; }
.pvw.is-off b{ background:#A34141; color:#FFECEC; }
.pvw.is-off a{ color:#FFE3E3; }

.card.is-draft .card-art{ border-color:#D9B45E; }
.card-draft{
  position:absolute; left:.45rem; top:.45rem;
  padding:.18rem .42rem; border-radius:2px;
  background:#D9B45E; color:#0F1005;
  font-family:var(--mono); font-size:.53rem; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase;
}

/* ── an article on the shelf, and the article page ───────────── */
.card.is-read .card-art{ border-style:dashed; }
.card.is-read .card-time{ color:var(--mint); }

.frame.is-art{ border-color:var(--rule); }
.frame.is-art img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }

/* pictures the admin drops inside an article */
.prose img{ max-width:100%; height:auto; display:block; margin:1.6rem 0; border:1px solid var(--rule); }
.prose figure{ margin:1.6rem 0; }
.prose .ql-align-center{ text-align:center; }
.prose .ql-align-right{ text-align:right; }
.prose .ql-align-justify{ text-align:justify; }
.prose .ql-size-small{ font-size:.82em; }
.prose .ql-size-large{ font-size:1.35em; }
.prose .ql-size-huge{ font-size:1.9em; line-height:1.25; }
.prose h1{
  margin-top:2.2rem; font-variation-settings:"wdth" 106,"wght" 780;
  font-size:1.5rem; letter-spacing:-.03em; color:var(--ink);
}
.prose s{ color:var(--ink-3); }

/* ── back link, hatching, chips ───────────────────────────── */
.back{
  display:inline-flex; align-items:center; gap:.5rem; margin-bottom:1.3rem;
  font-size:.68rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
  color:var(--ink-3); text-decoration:none;
  transition:color .22s var(--ease);
}
.back:hover{ color:var(--mint); }
.back .ic{ width:14px; height:14px; transform:rotate(180deg); }

.hatch{
  background:repeating-linear-gradient(135deg,var(--panel),var(--panel) 7px,var(--field-deep) 7px,var(--field-deep) 14px);
}

.chip{
  padding:.16rem .42rem; border:1px solid var(--rule); border-radius:2px;
  font-family:var(--mono); font-size:.55rem; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink-3); white-space:nowrap;
}
.chip.is-mint{ color:var(--mint); border-color:var(--mint-deep); background:var(--mint-dim); }

/* ── lesson page ─────────────────────────────────────────── */
.lay{ display:grid; grid-template-columns:minmax(0,1fr) 268px; gap:clamp(1.2rem,2.6vw,2.2rem); align-items:start; }
@media (max-width:1080px){ .lay{ grid-template-columns:1fr; } }

.lh1{
  font-variation-settings:"wdth" 106,"wght" 780;
  font-size:clamp(1.6rem,3.6vw,2.5rem); letter-spacing:-.03em; line-height:1.08; max-width:24ch;
}

.frame{
  position:relative; margin-top:clamp(1.2rem,2.4vw,1.8rem);
  aspect-ratio:16/9; width:100%;
  background:var(--field-deep); border:1px solid var(--rule); border-radius:2px; overflow:hidden;
}
.frame iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }
.frame.is-empty{ display:grid; place-items:center; text-align:center; padding:1.5rem; }
.frame.is-empty .ic{ width:26px; height:26px; color:var(--ink-3); margin:0 auto .8rem; }
.frame.is-empty p{ font-size:.82rem; color:var(--ink-3); max-width:34ch; }

/* no Vimeo link yet: the opening screen stands in, and says so */
.frame.is-poster img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.42; }
.poster-note{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  display:flex; align-items:center; gap:.7rem; max-width:min(90%,44ch);
  padding:.85rem 1.05rem; border:1px solid var(--rule);
  background:rgba(1,16,13,.9); border-radius:2px;
  font-size:.8rem; line-height:1.5; color:var(--ink-2); text-align:left;
}
.poster-note .ic{ width:18px; height:18px; color:var(--mint-deep); flex:none; }
.poster-note b{ color:var(--ink); font-weight:700; }
.poster-note code{
  font-family:var(--mono); font-size:.9em; color:var(--mint);
  background:var(--field-deep); border:1px solid var(--rule-soft); padding:.06em .3em; border-radius:2px;
}

.lsub{ margin-top:.85rem; font-size:.95rem; line-height:1.6; color:var(--ink-2); max-width:62ch; text-wrap:pretty; }

/* prose */
.prose{ margin-top:clamp(1.4rem,2.6vw,2.2rem); max-width:72ch; }
.prose > * + *{ margin-top:1.1rem; }
.prose p{ color:var(--ink-2); line-height:1.78; }
.prose h3{
  margin-top:2.1rem; font-variation-settings:"wdth" 104,"wght" 720;
  font-size:1.12rem; letter-spacing:-.02em; color:var(--ink);
}
.prose h4{ margin-top:1.7rem; font-size:.95rem; font-weight:700; color:var(--ink); }
.prose ul,.prose ol{ padding-left:1.15rem; color:var(--ink-2); }
.prose li{ margin-top:.5rem; line-height:1.7; }
.prose li::marker{ color:var(--mint-deep); font-family:var(--mono); font-size:.85em; }
.prose strong{ color:var(--ink); font-weight:700; }
.prose a{ color:var(--mint); text-underline-offset:3px; }
.prose code{
  font-family:var(--mono); font-size:.84em; color:var(--mint);
  background:var(--field-deep); border:1px solid var(--rule-soft); padding:.1em .34em; border-radius:2px;
  word-break:break-all;
}
.prose pre{
  margin:0; padding:1rem; overflow-x:auto;
  background:var(--field-deep); border:1px solid var(--rule); border-radius:2px;
}
.prose pre code{ background:none; border:0; padding:0; color:var(--ink-2); }
.prose blockquote{
  margin:0; padding:.95rem 1.1rem;
  background:var(--mint-dim); border:1px solid var(--mint-deep); border-radius:2px;
}
.prose blockquote p{ color:var(--ink); font-weight:500; }

/* The short version of a lesson, under the video and the resource links,
   for anyone who would rather read it than watch it. */
.keys{
  margin-top:clamp(1.4rem,2.6vw,2rem);
  padding:1.15rem clamp(1.1rem,2.2vw,1.5rem) 1.3rem;
  background:var(--panel); border:1px solid var(--rule); border-radius:2px;
  border-left:2px solid var(--mint-deep);
}
.keys .eyeb{ margin-bottom:.9rem; color:var(--mint-deep); }
.keys ul{ list-style:none; display:grid; gap:.75rem; }
.keys li{
  position:relative; padding-left:1.35rem;
  font-size:.92rem; line-height:1.62; color:var(--ink-2); text-wrap:pretty;
}
.keys li::before{
  content:""; position:absolute; left:0; top:.62em;
  width:6px; height:6px; background:var(--mint-deep);
}
.keys strong{ color:var(--ink); font-weight:700; }
.keys code{
  font-family:var(--mono); font-size:.84em;
  padding:.1rem .3rem; background:var(--mint-dim); color:var(--mint);
}
.keys a{ color:var(--mint); text-underline-offset:3px; }

/* The links now sit between the video and the key takeaways, so there is
   no rule above them. A line there read as the end of the write-up. */
.res{ margin-top:clamp(1.4rem,2.6vw,2rem); }
.res ul{ list-style:none; margin-top:.7rem; display:flex; flex-wrap:wrap; gap:.5rem; }
.res a{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.5rem .8rem; border:1px solid var(--rule); border-radius:2px;
  background:var(--panel); color:var(--ink-2); text-decoration:none; font-size:.8rem;
  transition:color .22s var(--ease), border-color .22s var(--ease);
}
.res a:hover{ color:var(--mint); border-color:var(--mint-deep); }
.res a .ic{ width:13px; height:13px; flex:none; }

/* a file to download, rather than a page to open */
.res a.is-file .ic{ color:var(--mint-deep); }
.res a.is-file:hover .ic{ color:var(--mint); }
.res-m{
  font-style:normal; font-family:var(--mono); font-size:.66rem;
  color:var(--ink-3); letter-spacing:.02em;
}
.res a:hover .res-m{ color:var(--ink-2); }

/* lesson footer: mark done + prev/next */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.55rem;
  padding:.8rem 1.4rem; border:1px solid var(--mint); border-radius:2px;
  background:var(--mint); color:#02211B;
  font-family:var(--sans); font-size:.76rem; font-weight:750; letter-spacing:.1em; text-transform:uppercase;
  text-decoration:none; cursor:pointer;
  transition:transform .3s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover{ background:#B4FFEC; transform:translateY(-2px); }
.btn:active{ transform:translateY(0); }
.btn .ic{ width:15px; height:15px; }
.btn-ghost{ background:transparent; color:var(--mint); border-color:var(--rule); }
.btn-ghost:hover{ background:var(--mint-dim); border-color:var(--mint-deep); }

.pager{
  display:flex; align-items:flex-start; justify-content:space-between; gap:1.5rem;
  margin-top:clamp(1.8rem,3.4vw,2.6rem); padding-top:1.2rem;
  border-top:1px solid var(--rule);
}
.pg{
  display:inline-flex; align-items:center; gap:.75rem; max-width:min(46%,290px);
  text-decoration:none; color:inherit;
}
.pg.is-next{ margin-left:auto; flex-direction:row-reverse; text-align:right; }

.pg-arrow{
  display:grid; place-items:center; width:34px; height:34px; flex:none;
  border:1px solid var(--rule); border-radius:2px; color:var(--ink-3);
  transition:color .24s var(--ease), border-color .24s var(--ease),
             background .24s var(--ease), transform .24s var(--ease);
}
.pg-arrow .ic{ width:15px; height:15px; }
.pg.is-prev .pg-arrow .ic{ transform:rotate(180deg); }

.pg-c{ min-width:0; display:flex; flex-direction:column; gap:.12rem; }
.pg-c i{
  font-style:normal; font-family:var(--mono); font-size:.55rem;
  letter-spacing:.18em; text-transform:uppercase; color:var(--ink-3);
}
.pg-c b{
  font-size:.86rem; font-weight:600; line-height:1.3; color:var(--ink-2);
  display:-webkit-box; -webkit-box-orient:vertical; -webkit-line-clamp:2; overflow:hidden;
  transition:color .24s var(--ease);
}

.pg:hover .pg-arrow,.pg:focus-visible .pg-arrow{
  color:var(--field-deep); background:var(--mint); border-color:var(--mint);
}
.pg:hover .pg-c b,.pg:focus-visible .pg-c b{ color:var(--mint); }
.pg.is-next:hover .pg-arrow{ transform:translateX(3px); }
.pg.is-prev:hover .pg-arrow{ transform:translateX(-3px); }

@media (max-width:620px){
  .pager{ gap:1rem; }
  .pg{ max-width:48%; }
  .pg-c i{ font-size:.5rem; }
}
@media (prefers-reduced-motion:reduce){ .pg:hover .pg-arrow{ transform:none; } }

/* the sticky module rail on a lesson page */
.side{ position:sticky; top:calc(var(--top) + 1rem); }
.side-box{ background:var(--panel); border:1px solid var(--rule); border-radius:2px; }
.side-h{ padding:.85rem 1rem; border-bottom:1px solid var(--rule); }
.side-h b{ display:block; font-size:.86rem; font-weight:700; letter-spacing:-.01em; }
.side-h i{ font-style:normal; font-family:var(--mono); font-size:.6rem; color:var(--ink-3); }
.side-l{ list-style:none; max-height:min(52vh,460px); overflow-y:auto; }
.side-a{
  display:grid; grid-template-columns:78px minmax(0,1fr); align-items:center; gap:.65rem;
  padding:.55rem .7rem; border-bottom:1px solid var(--rule-soft);
  text-decoration:none; color:var(--ink-2);
  transition:color .2s var(--ease), background .2s var(--ease);
}
.side-a:last-child{ border-bottom:0; }
.side-a:hover{ color:var(--ink); background:var(--panel-hi); }
.side-a.is-on{ color:var(--mint); background:var(--mint-dim); }
.side-art{ display:block; aspect-ratio:16/9; overflow:hidden; border:1px solid var(--rule); border-radius:2px; background:var(--field-deep); }
.side-art img{ width:100%; height:100%; object-fit:cover; display:block; }
.side-c{ min-width:0; }
.side-c b{ display:block; font-size:.78rem; font-weight:600; line-height:1.3; }
.side-c i{ font-style:normal; font-family:var(--mono); font-size:.58rem; color:var(--ink-3); }

/* ── tools / simple cards ────────────────────────────────── */
.tools{ list-style:none; display:grid; gap:.9rem; grid-template-columns:repeat(auto-fill,minmax(268px,1fr)); margin-top:clamp(1.8rem,3.4vw,2.6rem); }
.tools > li{ display:flex; }
.tool{
  flex:1; display:flex; gap:.9rem; padding:1.1rem;
  background:var(--panel); border:1px solid var(--rule); border-radius:2px;
  text-decoration:none; color:inherit;
  transition:border-color .25s var(--ease), background .25s var(--ease), transform .3s var(--ease);
}
.tool:hover{ border-color:var(--mint-deep); background:var(--panel-hi); transform:translateY(-2px); }
.tool-ico{ display:grid; place-items:center; width:32px; height:32px; flex:none; background:var(--mint-dim); border:1px solid var(--rule-soft); color:var(--mint); }
.tool b{ display:flex; align-items:center; gap:.45rem; font-size:.92rem; font-weight:700; letter-spacing:-.015em; }
.tool b .ic{ width:12px; height:12px; color:var(--ink-3); }
.tool p{ margin-top:.4rem; font-size:.8rem; line-height:1.6; color:var(--ink-2); }
.tool-c{ min-width:0; }

/* a card with nowhere to send you: it prints what to do instead */
.tool.is-flat{ cursor:default; }
.tool.is-flat:hover{ border-color:var(--rule); background:var(--panel); transform:none; }
.tool-cta{
  display:inline-block; margin-top:.7rem; padding:.3rem .55rem;
  background:var(--mint-dim); border:1px solid var(--mint-deep); border-radius:2px;
  font-family:var(--mono); font-size:.7rem; color:var(--mint);
  overflow-wrap:anywhere;
}

/* ── empty state ─────────────────────────────────────────── */
.empty{
  margin-top:clamp(1.4rem,2.6vw,2rem); padding:clamp(1.5rem,3vw,2.4rem);
  border:1px solid var(--rule); border-radius:2px; text-align:center;
}
.empty .ic{ width:24px; height:24px; color:var(--ink-3); margin:0 auto 1rem; }
.empty b{ display:block; font-size:1.02rem; font-weight:700; }
.empty p{ margin:.55rem auto 0; font-size:.86rem; color:var(--ink-3); max-width:46ch; }

/* ── footer ──────────────────────────────────────────────── */
.app-foot{ padding:1.6rem var(--pad) 2.2rem; border-top:1px solid var(--rule); background:var(--field-deep); }
.disc{ font-size:.72rem; line-height:1.85; color:var(--ink-3); max-width:88ch; }
.disc strong{ color:var(--ink-2); font-weight:700; }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — the rail becomes a drawer
   ══════════════════════════════════════════════════════════════ */
@media (max-width:1000px){
  body{ grid-template-columns:1fr; }

  .rail{
    position:fixed; inset:0 auto 0 0; width:var(--rail); z-index:60;
    transform:translateX(-100%); visibility:hidden;
    transition:transform .38s var(--ease), visibility .38s;
  }
  body.rail-on .rail{ transform:none; visibility:visible; }
  .rail-x{ display:block; }

  /* visibility, not display, so it can fade and still never eat a tap while closed */
  .scrim{
    display:block; position:fixed; inset:0; z-index:50;
    background:rgba(1,16,13,.72); opacity:0; visibility:hidden;
    transition:opacity .3s var(--ease), visibility .3s;
  }
  .scrim:not([hidden]){ opacity:1; visibility:visible; }

  .top-menu{ display:block; }
}

@media (max-width:720px){
  :root{ --top:64px; }
  .top{ flex-wrap:wrap; row-gap:.6rem; }
  .crumb{ order:1; flex:1 1 auto; }
  .top-menu{ order:0; }
  .top-r{ order:2; flex:1 1 100%; justify-content:space-between; }
  #q{ width:100%; }
  .find{ flex:1; }
  .find-out{ left:0; right:0; width:auto; }
  .phead{ align-items:flex-start; }
  .count{ text-align:left; display:flex; align-items:baseline; gap:.7rem; }
  .count b{ font-size:2.4rem; }
  .count i{ margin-top:0; }
  .grid{ grid-template-columns:1fr; }
  .les{ grid-template-columns:auto minmax(0,1fr); }
  .les-r{ grid-column:2; margin-top:.1rem; }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.01ms !important; transition-duration:.01ms !important; }
}