/* MKK v0.2.0 — ☀️ LIGHT default, 🌙 dark optional.
   Brand DNA: JetBrains Mono (UI + numbers) + Inter (human sentences), 4px, ONE red accent.
   Endel logic: one calm card, one action. Low stimulation: fades ≤200ms, no bounce, no confetti. */

:root{
  --ground:#FFFFFF;
  --surface:#F7F7F5;
  --card:#FFFFFF;
  --ink:#0A0A0A;
  --muted:#595959;
  --line:#E5E2DE;
  --accent:#D90429;
  --accent-ink:#FFFFFF;
  --red:#FF0000;
  --ok:#0B7A45;
  --tone:#5B6B8C;              /* per-topic muted tone — overridden per screen */
  --shadow:0 1px 0 rgba(10,10,10,.04), 0 8px 24px rgba(10,10,10,.05);
  --net:10,10,10;
  --netop:.05;
  --skel:#EDEBE8;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --body:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --r:4px;
  --tabh:64px;
  --pad:24px;                  /* ≥24px breathing room */
  --t:.18s;                    /* motion budget — never above .2s */
}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#080808; --surface:#111111; --card:#0D0D0D;
    --ink:#FAFAFA; --muted:#A3A3A3; --line:#262626;
    --accent-ink:#FFFFFF; --skel:#1A1A1A;
    --shadow:0 1px 0 rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.5);
    --net:255,255,255; --netop:.07;
  }
}
:root[data-theme="dark"]{
  --ground:#080808; --surface:#111111; --card:#0D0D0D;
  --ink:#FAFAFA; --muted:#A3A3A3; --line:#262626;
  --accent-ink:#FFFFFF; --skel:#1A1A1A;
  --shadow:0 1px 0 rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.5);
  --net:255,255,255; --netop:.07;
}
:root[data-contrast="1"]{ --muted:#1A1A1A; --line:#0A0A0A; }
:root[data-theme="dark"][data-contrast="1"]{ --muted:#EDEDED; --line:#EDEDED; }

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--ground); color:var(--ink);
  font-family:var(--body); font-size:17px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(var(--tabh) + env(safe-area-inset-bottom));
  overflow-x:hidden;
}
body.grayscale{filter:grayscale(1)}
#net{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:var(--netop)}

h1,h2,h3{margin:0 0 .4em}
p{margin:0 0 .8em}
a{color:var(--accent)}
button{font:inherit;color:inherit}
img{max-width:100%}

.h-mono,.lbl,.tl,.ev,.btn,.chip,.streak,.brand,.price,.clock,.pill{font-family:var(--mono)}
.lbl{
  font-size:11px;text-transform:uppercase;letter-spacing:.14em;font-weight:700;
  color:var(--muted);margin:0 0 10px;display:block;
}

/* ---------- top bar (sticky, safe-area, profile chip) ---------- */
#hdr{
  position:sticky;top:0;z-index:5;
  display:flex;align-items:center;gap:10px;
  padding:calc(10px + env(safe-area-inset-top)) max(16px,env(safe-area-inset-left)) 10px max(16px,env(safe-area-inset-right));
  background:color-mix(in srgb,var(--ground) 90%,transparent);
  backdrop-filter:saturate(1.2) blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:.14em;font-size:14px;text-transform:uppercase}
.brand .dot{width:8px;height:8px;background:var(--red);border-radius:50%;display:inline-block;flex:0 0 8px}
#profileBtn{
  display:flex;align-items:center;gap:7px;margin-left:auto;
  background:transparent;border:1px solid var(--line);border-radius:var(--r);
  padding:5px 9px;cursor:pointer;max-width:44vw;
}
#profileBtn .av{
  width:20px;height:20px;border-radius:50%;flex:0 0 20px;
  background:var(--tone);color:#fff;font-family:var(--mono);font-size:10px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
#profileBtn .pn{font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.streak{
  background:transparent;border:1px solid var(--line);border-radius:var(--r);
  padding:5px 10px;font-size:13px;font-weight:700;cursor:pointer;letter-spacing:.06em;flex:0 0 auto;
}
#offline{
  position:relative;z-index:4;
  background:var(--surface);border-bottom:1px solid var(--line);color:var(--muted);
  font-size:13.5px;line-height:1.45;text-align:center;padding:10px 16px;
}

/* ---------- layout ---------- */
#view{
  position:relative;z-index:1;max-width:560px;margin:0 auto;
  padding:24px max(18px,env(safe-area-inset-left)) 34px max(18px,env(safe-area-inset-right));
}
.scr{animation:fade var(--t) ease-out}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .scr{animation:none}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:var(--pad);margin:0 0 16px;box-shadow:var(--shadow);
}
.card.flat{box-shadow:none;background:var(--surface)}
.big{font-size:30px;line-height:1.2;font-weight:600;letter-spacing:-.01em;margin:0 0 8px}
.big.sm2{font-size:22px}
.h2{
  font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.14em;
  font-weight:800;margin:32px 0 14px;color:var(--ink);
  border-left:3px solid var(--tone);padding-left:10px;
}
.muted{color:var(--muted)}
.sm{font-size:14.5px}
.xs{font-size:13.5px;line-height:1.55}
.center{text-align:center}
.spacer{height:20px}
hr.sep{border:0;border-top:1px solid var(--line);margin:20px 0}

/* ---------- illustrations ---------- */
/* The artwork is anime line-art on white with a lot of air: `contain` on a white plate,
   never `cover` — cropping to a band cuts the subject out of the frame entirely. */
.ill{
  display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;
  border-radius:var(--r);background:#FFFFFF;border:1px solid var(--line);
}
.ill.sq{aspect-ratio:1/1}
.illwrap{margin:0 0 18px;position:relative;line-height:0}
.illwrap svg{display:block;width:100%;height:auto;background:transparent;border-radius:var(--r);border:1px solid var(--line)}
svg.ill,svg.ill-mini{background:transparent}
/* 44px is too small for `contain` — the subject shrinks to nothing. Minis crop instead. */
.ill-mini{
  display:block;width:44px;height:44px;border-radius:var(--r);
  object-fit:cover;object-position:center 58%;
  background:#FFFFFF;border:1px solid var(--line);
}
/* Dark theme: a full-white art plate is a bright slab — the opposite of "low stimulation".
   Dimming to .62 lands it as a calm mid-grey panel with the artwork EXACTLY as drawn
   (black hair stays black, the red accent stays red, skin tones untouched).
   The alternative — `filter:invert(1) hue-rotate(180deg)` — reads beautifully on black but
   recolours the children in the illustrations, so it is Kris's call, not a silent default. */
:root[data-theme="dark"] img.ill,:root[data-theme="dark"] img.ill-mini{opacity:.62}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) img.ill,:root:not([data-theme="light"]) img.ill-mini{opacity:.62}
}

/* ---------- the day card (Endel: one card, one action) ---------- */
.mode{
  border:1px solid var(--line);border-radius:var(--r);background:var(--card);
  box-shadow:var(--shadow);overflow:hidden;margin:0 0 18px;
}
.mode .illwrap{margin:0}
.mode .illwrap .ill,.mode .illwrap svg{border:0;border-radius:0}
.mode .body{padding:var(--pad);border-top:3px solid var(--tone)}
.mode .lbl{color:var(--muted)}
.mode .big{font-size:29px;margin:0 0 10px}
.mode .why{font-size:15.5px;color:var(--muted);margin:0 0 20px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);
  border-radius:var(--r);padding:16px 18px;font-size:14px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;cursor:pointer;width:100%;
  text-decoration:none;min-height:54px;transition:opacity var(--t) ease-out;
}
.btn:active{opacity:.82}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.sm{min-height:46px;padding:12px 14px;font-size:12.5px;width:auto}
.btn[disabled]{opacity:.45;cursor:default}
.btn+.btn{margin-top:10px}
.btnrow{display:flex;gap:10px}
.btnrow .btn+.btn{margin-top:0}

/* ---------- evidence badge (tone ring) ---------- */
.ev{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:28px;height:24px;padding:0 7px;border-radius:var(--r);
  font-size:11px;font-weight:800;letter-spacing:.08em;cursor:pointer;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  vertical-align:middle;box-shadow:0 0 0 1px var(--tone) inset;
}
.ev[data-ev="A"]{border-color:var(--ok);color:var(--ok)}
.ev[data-ev="B"]{border-color:var(--muted);color:var(--muted)}
.ev[data-ev="C"]{border-color:var(--line);color:var(--muted)}
.ev[data-ev="X"]{border-color:var(--accent);color:var(--accent)}

/* ---------- steps ---------- */
.step{
  display:flex;gap:14px;align-items:flex-start;
  border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:10px;
  background:var(--card);cursor:pointer;width:100%;text-align:left;
  transition:border-color var(--t) ease-out;
}
.step .n{
  flex:0 0 28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-family:var(--mono);
  font-size:12px;font-weight:800;
}
.step.done{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 7%,var(--card))}
.step.done .n{background:var(--ok);border-color:var(--ok);color:#fff}
.step.opt{border-style:dashed}
.step .t{display:block;font-weight:600;line-height:1.35}
.step .s{display:block;font-size:13.5px;color:var(--muted);margin-top:3px;line-height:1.45}

/* ---------- lists ---------- */
.item{border-bottom:1px solid var(--line);padding:18px 0}
.item:last-child{border-bottom:0}
.item h3{font-size:18px;font-weight:600;margin:0 0 6px;display:flex;gap:10px;align-items:flex-start;justify-content:space-between}
.item .how{color:var(--ink);font-size:15.5px;margin:0 0 10px}
.item .prac{background:var(--surface);border-left:3px solid var(--tone);padding:12px 14px;border-radius:0 var(--r) var(--r) 0;font-size:15px}
.item .meta{font-size:12.5px;color:var(--muted);margin-top:10px;font-family:var(--mono);letter-spacing:.03em;line-height:1.5}
.item .src{font-size:12.5px;color:var(--muted);margin-top:8px;font-family:var(--mono);letter-spacing:.02em;line-height:1.5}
.item .src b{font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:10.5px}

.chip{
  display:inline-block;border:1px solid var(--line);background:var(--card);
  border-radius:var(--r);padding:11px 13px;font-size:12px;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;cursor:pointer;text-decoration:none;color:var(--ink);
  transition:background var(--t) ease-out;
}
.chip[aria-pressed="true"],.chip.on{background:var(--ink);color:var(--ground);border-color:var(--ink)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}

.catrow{
  display:flex;align-items:center;gap:14px;width:100%;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:14px;margin-bottom:10px;cursor:pointer;text-decoration:none;color:var(--ink);
  border-left:3px solid var(--tone);
  transition:background var(--t) ease-out;
}
.catrow .ic{flex:0 0 44px;width:44px;height:44px;line-height:0;display:block}
.catrow .tx{min-width:0}
.catrow .tx b{display:block;font-weight:600;font-size:17px}
.catrow .tx span{font-size:13.5px;color:var(--muted);display:block;line-height:1.45}
.catrow .ar{margin-left:auto;color:var(--muted);font-family:var(--mono);flex:0 0 auto;font-size:13px}

/* ---------- tabs ---------- */
#tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:6;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:color-mix(in srgb,var(--ground) 94%,transparent);
  backdrop-filter:saturate(1.2) blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:var(--tabh);text-decoration:none;color:var(--muted);
}
.tab .ti{font-size:19px;line-height:1}
.tab .tl{font-size:9.5px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.tab[aria-current="page"]{color:var(--accent)}

/* ---------- sheet ---------- */
#scrim{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:20;animation:fade var(--t) ease-out}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:21;max-height:88vh;overflow-y:auto;
  background:var(--ground);border-top:1px solid var(--line);
  border-radius:12px 12px 0 0;
  padding:26px max(20px,env(safe-area-inset-left)) calc(30px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-right));
  max-width:560px;margin:0 auto;animation:slideup var(--t) ease-out;
  -webkit-overflow-scrolling:touch;
}
@keyframes slideup{from{transform:translateY(14px);opacity:.6}to{transform:none;opacity:1}}
.sheet h2{font-size:13px;text-transform:uppercase;letter-spacing:.14em;font-weight:800;padding-right:34px}
.sheet-x{position:absolute;top:16px;right:16px;background:transparent;border:0;font-size:18px;cursor:pointer;color:var(--muted);padding:6px 10px}

#toast{
  position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--tabh) + 18px);
  background:var(--ink);color:var(--ground);padding:12px 16px;border-radius:var(--r);
  font-size:14.5px;z-index:30;opacity:0;pointer-events:none;transition:opacity var(--t);
  max-width:88vw;text-align:center;line-height:1.45;
}
#toast.on{opacity:1}

/* ---------- forms ---------- */
input[type=text]{
  width:100%;padding:15px;font-size:16px;font-family:var(--mono);
  border:1px solid var(--line);border-radius:var(--r);background:var(--card);color:var(--ink);
}
input[type=text]:focus{outline:2px solid var(--accent);outline-offset:1px}
.swatches{display:flex;gap:10px;flex-wrap:wrap}
.sw{width:42px;height:42px;border-radius:var(--r);border:2px solid var(--line);cursor:pointer;padding:0}
.sw[aria-pressed="true"]{border-color:var(--ink);box-shadow:0 0 0 2px var(--ground) inset}

/* ---------- games ---------- */
.grid5{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:16px 0}
.cell{
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r);background:var(--card);
  font-size:24px;cursor:pointer;padding:4px;text-align:center;word-break:break-word;
  transition:border-color var(--t) ease-out;
}
.cell[aria-pressed="true"]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,var(--card));border-width:2px}
.cell.right{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,var(--card))}
.cell.wrong{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--card));opacity:.6}
.clock{font-size:58px;font-weight:800;text-align:center;letter-spacing:-.02em;margin:18px 0 8px;font-variant-numeric:tabular-nums}
.bar{height:3px;background:var(--line);border-radius:2px;overflow:hidden;margin-bottom:20px}
.bar i{display:block;height:100%;background:var(--accent);width:0;transition:width var(--t) linear}
.check{
  display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line);
  cursor:pointer;width:100%;text-align:left;background:none;border-left:0;border-right:0;border-top:0;
}
.check .bx{flex:0 0 22px;height:22px;border:1px solid var(--line);border-radius:var(--r);display:flex;align-items:center;justify-content:center;font-size:12px}
.check.on .bx{background:var(--ok);border-color:var(--ok);color:#fff}

/* ---------- week dots + history ---------- */
.week{display:flex;gap:9px;justify-content:space-between;margin:6px 0 4px}
.wd{flex:1;display:flex;flex-direction:column;align-items:center;gap:7px}
.wd .d{
  width:100%;max-width:30px;aspect-ratio:1/1;border-radius:50%;
  border:1.5px solid var(--line);background:transparent;
}
.wd.on .d{background:var(--tone);border-color:var(--tone)}
.wd.today .d{box-shadow:0 0 0 2px var(--ground),0 0 0 3.5px var(--tone)}
.wd .n{font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.stats{display:flex;gap:10px;margin-top:18px}
.stat{flex:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px;text-align:center}
.stat .v{font-family:var(--mono);font-size:26px;font-weight:800;line-height:1.1}
.stat .k{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-top:5px}
.hrow{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.hrow:last-child{border-bottom:0}
.hrow .hd{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;flex:0 0 84px;color:var(--muted)}
.hrow .hm{font-size:15px}

/* ---------- skeleton ---------- */
.sk{background:var(--skel);border-radius:var(--r);animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
.sk.l{height:14px;margin-bottom:12px}
.sk.w40{width:40%}.sk.w70{width:70%}.sk.w90{width:90%}
.sk.img{aspect-ratio:3/2;height:auto;margin-bottom:18px}
.sk.btn{height:54px;margin-top:20px}

/* ---------- empty state ---------- */
.empty{text-align:center;padding:14px 0 6px}
.empty .illwrap{max-width:220px;margin:0 auto 18px;opacity:.85}
.empty p{color:var(--muted);font-size:15px}

/* ---------- onboarding ---------- */
.dots{display:flex;gap:7px;justify-content:center;margin:0 0 26px}
.dots i{width:7px;height:7px;border-radius:50%;background:var(--line);display:block}
.dots i.on{background:var(--tone);width:22px;border-radius:4px}
.ob .catrow{padding:12px}

/* ---------- notes / disclosure (13.5px min — dyslexia-first) ---------- */
.note{font-size:13.5px;color:var(--muted);border-left:3px solid var(--line);padding-left:13px;margin:14px 0;line-height:1.6}
.warn{border-left-color:var(--accent)}
.foot{font-size:13.5px;color:var(--muted);line-height:1.65;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
.coi{font-size:13.5px;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin:14px 0;line-height:1.6}
.coi.tight{margin:0 0 4px;padding:13px}
.price{font-size:26px;font-weight:800;letter-spacing:-.01em;margin:0 0 2px}
.price2{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--muted);margin:0 0 12px}
.pill{
  display:inline-block;background:var(--ok);color:#fff;border-radius:var(--r);
  padding:5px 9px;font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;
}
.pill.planned{background:var(--surface);color:var(--muted);border:1px solid var(--muted)}
ul.plain{margin:0;padding-left:18px}
ul.plain li{margin-bottom:7px;font-size:15px}
audio{width:100%;margin-top:12px}
.audio-wrap{margin-top:12px}

/* ---------- v0.3 · theme flip in the top bar + LT source line ---------- */
#hdr .themebtn{
  margin-left:8px;display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;min-width:40px;border-radius:4px;
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  font-size:17px;line-height:1;cursor:pointer;-webkit-tap-highlight-color:transparent;
}
#hdr .themebtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:360px){#hdr .themebtn{width:36px;height:36px;min-width:36px;font-size:15px}}
.src.lt{margin-top:4px;opacity:.9}
.src.lt a{color:inherit}
#profileBtn[hidden] ~ #streakBtn{margin-left:auto}

/* v0.3.1 — parental gate inputs */
.input{width:100%;box-sizing:border-box;padding:12px 14px;font:inherit;font-size:18px;border:1px solid var(--line);border-radius:var(--r,4px);background:var(--ground);color:var(--ink);margin-top:8px}
.input:focus{outline:2px solid var(--accent);outline-offset:2px}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row .btn{flex:1 1 140px}
/* v0.4 — disclaimer strip visible on screen 1 without scroll or tap; feedback card */
.strip{font-size:13.5px;line-height:1.55;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--r);padding:10px 12px;margin:0 0 14px}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--accent);text-decoration:underline;cursor:pointer;min-height:24px}
.fb .btn{margin-top:8px;width:100%}