/* ============================================================================
   Study-roadmap engine — premium visual system (shared by every exam roadmap).
   Region colors arrive as inline --rcolor / --rtint / --rrule on each element.
   ============================================================================ */
:root{
  --ink:#0d1c2f; --soft:#43506a; --muted:#7a869c; --rule:#dbe3ef; --card:#fff;
  --brand:#006c49; --brand2:#00543a; --gold:#c88000;
  --shadow-lg:0 22px 48px -20px rgba(15,32,64,.30);
  --shadow-md:0 10px 26px -12px rgba(15,32,64,.24);
}
*{box-sizing:border-box}
body{
  margin:0; color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  background:
    radial-gradient(90% 46% at 50% -4%, #e9f4ee 0%, rgba(233,244,238,0) 62%),
    radial-gradient(55% 34% at 96% 8%, #eaf0fb 0%, rgba(234,240,251,0) 58%),
    radial-gradient(50% 32% at 2% 14%, #f3ecfb 0%, rgba(243,236,251,0) 55%),
    #f5f8fc;
  background-attachment:fixed;
}
a{color:var(--brand)}
.wrap{max-width:660px;margin:0 auto;padding:0 18px}

/* ── Header / hero ───────────────────────────────────────────────────────── */
header.top{background:linear-gradient(180deg,rgba(255,255,255,.86),rgba(245,248,252,0));backdrop-filter:blur(4px)}
.crumbs{font-size:12px;color:var(--muted);padding:16px 0 0;letter-spacing:.01em}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--brand)}
.hero{padding:14px 0 22px;text-align:center}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;
  color:var(--brand);background:linear-gradient(180deg,#f0f8f4,#e6f2ec);
  padding:5px 13px;border-radius:999px;margin-bottom:12px;border:1px solid #d3e8dd;
  box-shadow:0 1px 0 #fff inset,0 4px 12px -8px rgba(0,108,73,.4)}
.tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(0,108,73,.16)}
h1{font-size:33px;line-height:1.1;margin:6px 0 8px;letter-spacing:-.02em;font-weight:800;
  background:linear-gradient(180deg,#12233c,#33465f);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sub{color:var(--soft);font-size:15px;max-width:50ch;margin:0 auto;line-height:1.55}

/* ── Progress card ───────────────────────────────────────────────────────── */
.prog{position:relative;background:var(--card);border:1px solid var(--rule);border-radius:18px;
  padding:16px 18px;margin:18px 0 6px;box-shadow:var(--shadow-md),0 1px 0 #fff inset;overflow:hidden}
.prog::before{content:'';position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,#00a86b,#006c49,#c88000)}
.prog-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.prog-n{font-size:13px;font-weight:700;color:var(--soft)}
.prog-pct{font-size:26px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(180deg,#00a86b,#006c49);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-variant-numeric:tabular-nums}
.bar{height:11px;background:#e7edf5;border-radius:999px;overflow:hidden;margin-top:11px;box-shadow:0 1px 2px rgba(15,32,64,.10) inset}
.bar>span{display:block;height:100%;width:0;border-radius:999px;position:relative;
  background:linear-gradient(90deg,#00c07d,#00a86b 55%,#006c49);
  box-shadow:0 0 12px rgba(0,168,107,.55);transition:width .6s cubic-bezier(.4,0,.15,1)}
.bar>span::after{content:'';position:absolute;inset:0;border-radius:999px;
  background:linear-gradient(180deg,rgba(255,255,255,.5),rgba(255,255,255,0) 55%)}
.reset{background:none;border:none;color:var(--muted);font-size:11.5px;font-weight:600;cursor:pointer;margin-top:10px;padding:0}
.reset:hover{color:var(--brand);text-decoration:underline}

/* ── Board + winding trail ───────────────────────────────────────────────── */
main{padding:8px 0 84px}
#rm-board{position:relative;padding:8px 0 12px}
#trail{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
#trailFill{filter:drop-shadow(0 2px 7px rgba(0,168,107,.5))}

/* ── Region cards ────────────────────────────────────────────────────────── */
.region{position:relative;z-index:1;margin:16px 0 6px;text-align:center}
.region-band{display:inline-flex;align-items:center;gap:11px;
  background:linear-gradient(180deg,#fff, color-mix(in srgb, var(--rtint,#eef5f1) 72%, #fff));
  border:1px solid var(--rrule,#cfe3d9);border-radius:16px;padding:9px 17px 9px 13px;
  box-shadow:var(--shadow-md),0 1px 0 #fff inset}
.region-ic{width:34px;height:34px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;color:#fff;
  background:linear-gradient(155deg, color-mix(in srgb,var(--rcolor,var(--brand)) 82%,#fff), var(--rcolor,var(--brand)));
  box-shadow:0 6px 14px -6px var(--rcolor,var(--brand)),0 1px 0 rgba(255,255,255,.4) inset}
.region-ic svg{width:19px;height:19px}
.region-txt{text-align:left;display:flex;flex-direction:column;gap:1px}
.region-tag{font-size:9.5px;font-weight:800;text-transform:uppercase;letter-spacing:.11em;color:var(--rcolor,var(--brand))}
.region-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}

/* ── Stops / nodes ───────────────────────────────────────────────────────── */
.stop{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:8px;
  margin:18px auto;transform:translateX(var(--dx,0));width:126px;
  background:none;border:none;cursor:pointer;padding:0;font:inherit;-webkit-tap-highlight-color:transparent}
.node{width:66px;height:66px;border-radius:50%;position:relative;display:grid;place-items:center;color:var(--rcolor,var(--brand));
  background:radial-gradient(125% 120% at 32% 24%, #ffffff 0%, #fbfdfe 52%, #eef3f9 100%);
  box-shadow:
    0 1px 0 rgba(255,255,255,.95) inset,
    0 0 0 3px color-mix(in srgb,var(--rcolor,var(--brand)) 24%, #fff),
    0 14px 26px -12px rgba(15,32,64,.34),
    0 3px 7px -3px rgba(15,32,64,.18);
  transition:transform .2s cubic-bezier(.2,.85,.25,1), box-shadow .2s}
.node svg{width:30px;height:30px}
.node .ring{position:absolute;inset:-3px;border-radius:50%;padding:3px;pointer-events:none;
  background:conic-gradient(from 210deg, color-mix(in srgb,var(--rcolor,var(--brand)) 90%,#fff), var(--rcolor,var(--brand)), color-mix(in srgb,var(--rcolor,var(--brand)) 55%,#000));
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.9}
.node .check{display:none}
.stop:hover .node{transform:translateY(-4px) scale(1.06)}
.stop:hover .node{box-shadow:0 1px 0 rgba(255,255,255,.95) inset,0 0 0 3px color-mix(in srgb,var(--rcolor,var(--brand)) 34%,#fff),0 20px 34px -12px rgba(15,32,64,.42),0 0 26px -6px var(--rcolor,var(--brand))}
.stop:active .node{transform:scale(.97)}

/* checkpoint = larger gold-accented milestone */
.node.checkpoint{width:74px;height:74px}
.node.checkpoint svg{width:34px;height:34px}

/* high-yield star badge (abbreviated-curriculum markers) — glossy gold medallion */
.hy-badge{position:absolute;top:-4px;right:-4px;width:27px;height:27px;border-radius:50%;z-index:4;
  background:radial-gradient(120% 115% at 32% 24%, #ffe79a 0%, #f4bd4c 42%, #d18a10 78%, #a86b06 100%);
  display:grid;place-items:center;
  box-shadow:0 5px 11px -3px rgba(190,120,0,.7),0 0 0 2.5px var(--card),0 0 0 3.6px rgba(205,140,20,.32),
    0 1px 0 rgba(255,255,255,.75) inset,0 -2px 4px rgba(150,90,0,.4) inset}
.hy-badge::before{content:'';position:absolute;inset:1.6px;border-radius:50%;pointer-events:none;
  background:radial-gradient(72% 56% at 34% 20%, rgba(255,255,255,.8),rgba(255,255,255,0) 62%)}
.hy-badge svg{width:15px;height:15px;position:relative;filter:drop-shadow(0 1px .5px rgba(120,70,0,.55))}
.stop.hy .stoplabel{font-weight:800}
.stop.hy .node{box-shadow:0 1px 0 rgba(255,255,255,.95) inset,0 0 0 3px color-mix(in srgb,var(--rcolor,var(--brand)) 26%,#fff),0 14px 26px -12px rgba(15,32,64,.34),0 0 22px -6px #e2ad4d}
.hy-legend{margin-top:11px;font-size:11.5px;line-height:1.5;color:var(--soft);display:flex;align-items:flex-start;gap:6px}
.hy-legend-star{color:#c88000;font-size:15px;line-height:1;flex-shrink:0}
.hy-legend b{color:var(--ink);font-weight:800}

/* done */
.stop.done .node{color:#fff;
  background:linear-gradient(160deg, color-mix(in srgb,var(--rcolor,var(--brand)) 82%,#fff) 0%, var(--rcolor,var(--brand)) 52%, color-mix(in srgb,var(--rcolor,var(--brand)) 78%,#000) 100%);
  box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 0 0 3px color-mix(in srgb,var(--rcolor,var(--brand)) 40%,#fff),
    0 14px 26px -12px color-mix(in srgb,var(--rcolor,var(--brand)) 60%, #0d1c2f),0 0 22px -8px var(--rcolor,var(--brand))}
.stop.done .node .ring{opacity:0}
.stop.done .node .glyph{display:none}
.stop.done .node .check{display:block;width:30px;height:30px}
.stop.done .stoplabel{color:var(--ink)}

/* current — glowing, gently bobbing, with a pin */
.stop.current .node{animation:bob 2.6s ease-in-out infinite}
.stop.current .node::after{content:'';position:absolute;inset:-9px;border-radius:50%;z-index:-1;
  background:radial-gradient(circle, color-mix(in srgb,var(--rcolor,var(--brand)) 45%, transparent), transparent 70%);
  animation:halo 2s ease-in-out infinite}
.stop.current.fresh::before{content:'START HERE'}
.stop.current::before{content:'YOU ARE HERE';position:absolute;top:-16px;left:50%;transform:translateX(-50%);
  font-size:8px;font-weight:800;letter-spacing:.08em;color:#fff;white-space:nowrap;
  background:var(--rcolor,var(--brand));padding:3px 8px;border-radius:999px;
  box-shadow:0 6px 14px -6px var(--rcolor,var(--brand));z-index:3}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes halo{0%,100%{opacity:.5;transform:scale(.92)}50%{opacity:.9;transform:scale(1.08)}}

.stop.upcoming .node{filter:saturate(.85)}
.stop.upcoming .node svg{opacity:.9}

.stoplabel{font-size:12.5px;font-weight:700;color:var(--ink);line-height:1.28;max-width:126px;letter-spacing:-.005em}
.stop.upcoming .stoplabel{color:var(--soft);font-weight:600}
.chip{display:inline-block;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
  color:var(--ink,#1e293b);background:var(--rtint,#eef5f1);border:1px solid var(--rrule,#cfe3d9);border-radius:6px;padding:1px 6px;margin-left:3px} /* ink text: some region colours fail contrast on their own tint */

/* start / finish flags */
.startflag,.finishflag{position:relative;z-index:1;text-align:center;margin:6px auto 2px}
.flag-node{width:60px;height:60px;border-radius:20px;display:inline-grid;place-items:center;color:#fff;transform:rotate(-4deg);
  background:linear-gradient(155deg,#00a86b,#006c49 60%,#00432f);
  box-shadow:0 16px 30px -12px rgba(0,108,73,.6),0 1px 0 rgba(255,255,255,.35) inset}
.flag-node svg{width:30px;height:30px}
.finishflag .flag-node{background:linear-gradient(155deg,#ecb44a,#c88000 58%,#8f5c00);box-shadow:0 16px 30px -12px rgba(200,128,0,.6),0 1px 0 rgba(255,255,255,.35) inset}
.flag-label{display:block;font-size:12.5px;font-weight:800;color:var(--ink);margin-top:8px;letter-spacing:-.01em}

/* ── Detail sheet ────────────────────────────────────────────────────────── */
.backdrop{position:fixed;inset:0;background:rgba(10,18,30,.55);backdrop-filter:blur(4px);z-index:100;
  display:flex;align-items:flex-end;justify-content:center;opacity:0;pointer-events:none;transition:opacity .22s}
.backdrop.open{opacity:1;pointer-events:auto}
.sheet{background:linear-gradient(180deg,#fff,#fbfdff);width:100%;max-width:540px;max-height:90vh;overflow-y:auto;
  border-radius:24px 24px 0 0;padding:22px 22px 28px;position:relative;
  box-shadow:0 -18px 50px rgba(10,18,30,.32),0 1px 0 #fff inset;transform:translateY(20px);transition:transform .26s cubic-bezier(.2,.85,.25,1)}
.sheet::before{content:'';position:absolute;top:9px;left:50%;transform:translateX(-50%);width:40px;height:4px;border-radius:999px;background:#d7dfea}
.backdrop.open .sheet{transform:translateY(0)}
.sheet-tag{font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.09em;color:var(--rcolor,var(--brand));margin-top:6px}
.sheet-title{font-size:22px;font-weight:800;margin:3px 0 7px;letter-spacing:-.02em}
.sheet-blurb{font-size:14.5px;color:var(--soft);line-height:1.6;margin:0 0 18px}
#sCovers{margin:0 0 18px}
.covers-label{font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 8px}
.covers-row{display:flex;flex-wrap:wrap;gap:7px}
.cchip{display:inline-block;font-size:12px;font-weight:600;padding:6px 11px;border-radius:999px;text-decoration:none;
  border:1px solid var(--rrule,#cfe3d9);color:var(--rcolor,var(--brand));background:var(--rtint,#eef5f1);transition:transform .12s,box-shadow .12s}
.cchip:hover{transform:translateY(-1px);box-shadow:0 6px 14px -8px var(--rcolor,var(--brand))}
.cchip.soon{color:var(--muted);background:#f2f4f7;border-color:var(--rule);pointer-events:none}
.cchip.soon::after{content:'soon';font-size:8.5px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:#9aa1ad;margin-left:5px;vertical-align:1px}
.sheet-actions{display:flex;flex-direction:column;gap:10px}
.btn{display:flex;align-items:center;justify-content:center;gap:7px;font:inherit;font-size:14.5px;font-weight:700;border-radius:13px;padding:13px;cursor:pointer;text-decoration:none;border:1px solid transparent;transition:transform .12s,box-shadow .12s,background .15s}
.btn-primary{background:linear-gradient(160deg,#00a86b,#006c49);color:#fff;box-shadow:0 10px 22px -10px rgba(0,108,73,.7)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 28px -10px rgba(0,108,73,.75)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--rule)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-done{background:#edf6f1;color:var(--brand);border-color:#cfe3d9}
.sheet-close{position:absolute;top:14px;right:16px;width:30px;height:30px;border-radius:50%;background:#f0f3f8;border:none;font-size:16px;color:var(--muted);cursor:pointer;line-height:1;display:grid;place-items:center}
.sheet-close:hover{background:#e6eaf1;color:var(--ink)}

/* ── Footer / confetti ───────────────────────────────────────────────────── */
.footer{border-top:1px solid var(--rule);padding:20px 0;color:var(--muted);font-size:12px;text-align:center;line-height:1.7}
.footer a{color:var(--brand);font-weight:600;text-decoration:none}
.confetti{position:fixed;top:-12px;width:9px;height:15px;z-index:200;pointer-events:none;border-radius:2px}
@media(min-width:560px){ h1{font-size:38px} }
/* Desktop: give the journey room to breathe — wider board + winder path, bigger
   nodes — while the hero/progress/footer keep their readable ~660px measure. */
@media(min-width:900px){
  main.wrap{max-width:840px}
  .stop{width:150px}
  .node{width:72px;height:72px}
  .node svg{width:33px;height:33px}
  .node.checkpoint{width:82px;height:82px}
  .node.checkpoint svg{width:38px;height:38px}
  .stop.done .node .check{width:33px;height:33px}
  .stoplabel{font-size:13.5px;max-width:150px}
  .stop{margin-top:22px;margin-bottom:22px}
}
@media(prefers-reduced-motion:reduce){.stop.current .node,.stop.current .node::after{animation:none}}

/* Stops whose guide is not written yet */
.stop.soon .node{filter:grayscale(.55);opacity:.7}
.stop.soon .stoplabel{color:var(--soft)}
.chip.chip-soon{background:#eef1f5;color:#64748b}
.btn.btn-soon{background:#eef1f5;color:#64748b;box-shadow:none;cursor:default;pointer-events:none}

/* Keyboard focus is always visible (WCAG 2.4.7). */
:focus-visible{outline:2px solid #006c49 !important;outline-offset:2px !important}