/* ===================================================================
   NeuroTrack Kids — "Glade OS" design system
   Dual skin: immersive child WORLD (dreamlike) + calm ADULT surfaces.
   =================================================================== */
:root{
  /* adult — warm premium light */
  --bg:#F4EEE3; --surface:#FCF8F1; --card:#FFFFFF; --card2:#FBF6EC;
  --ink:#241A33; --ink2:#5A5168; --ink3:#8B8397; --line:#ECE3D4; --line2:#DCCFBC;
  --lav:#7E5FB0; --lav-ink:#fff; --mint:#2E8B6B; --teal:#2F7E78; --peach:#CF6B3F;
  --honey:#B07D17; --blue:#4F74B8; --rose:#C25A7A; --gold:#E2B25A;
  --accent:var(--lav);
  /* world — immersive dusk */
  --w-top:#241a3a; --w-mid:#3a2a5e; --w-low:#7a4f73; --w-glow:#ffcaa0;
  --cream:#FBF3E6; --firefly:#FFE39A; --aurora:#7FB5A8;
  --r:18px; --r-lg:26px; --r-sm:12px; --r-xl:34px;
  --shadow:0 1px 3px rgba(36,26,51,.05),0 12px 34px -12px rgba(36,26,51,.16);
  --shadow-lg:0 2px 6px rgba(36,26,51,.06),0 30px 60px -22px rgba(36,26,51,.28);
  --shadow-soft:0 1px 3px rgba(36,26,51,.05);
  --disp:'Fraunces',Georgia,serif; --ui:'Nunito',system-ui,-apple-system,sans-serif;
  --maxw:460px; --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--ui);background:var(--bg);color:var(--ink);line-height:1.5;font-size:16px;
  -webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink)}
em{font-family:var(--disp);font-style:italic;font-weight:500}
:focus-visible{outline:3px solid var(--lav);outline-offset:3px;border-radius:8px}
.disp{font-family:var(--disp)}

/* ---------- app frame ---------- */
#app{max-width:var(--maxw);margin:0 auto;min-height:100vh;background:var(--surface);position:relative;
  display:flex;flex-direction:column;box-shadow:0 0 80px rgba(36,26,51,.08)}
.screen{flex:1;display:flex;flex-direction:column;animation:rise .5s var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.pad{padding:22px 20px 30px}
.h1{font-family:var(--disp);font-weight:500;font-size:30px;line-height:1.08;letter-spacing:-.01em}
.h2{font-family:var(--disp);font-weight:500;font-size:22px;letter-spacing:-.01em}
.lead{color:var(--ink2);font-size:15px}
.eyebrow{font-size:11px;letter-spacing:2.6px;text-transform:uppercase;color:var(--ink3);font-weight:800}
.muted{color:var(--ink3)} .center{text-align:center}
.label{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--ink3);font-weight:800;margin:20px 0 10px}

/* ---------- boot ---------- */
.boot{min-height:100vh;display:flex;flex-direction:column;gap:20px;align-items:center;justify-content:center;
  background:radial-gradient(120% 90% at 50% 0%,#2a1f44,#160f28 70%)}
.boot .mk{font-family:var(--disp);font-size:27px;color:#fbf3e6} .boot .mk b{color:var(--aurora);font-weight:600}
.boot .os{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:#9b8fbb;font-weight:700}
.boot .sp{width:30px;height:30px;border-radius:50%;border:3px solid rgba(255,255,255,.16);border-top-color:var(--aurora);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;width:100%;
  padding:15px 22px;border-radius:999px;font-weight:800;font-size:15.5px;letter-spacing:.2px;
  background:var(--accent);color:var(--lav-ink);transition:transform .14s var(--ease),box-shadow .25s,filter .2s;
  box-shadow:0 10px 26px -10px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn:hover{filter:brightness(1.05)} .btn:active{transform:translateY(1px) scale(.99)}
.btn.lg{padding:18px 24px;font-size:17px}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line2);box-shadow:none}
.btn.ghost:hover{background:var(--card2);filter:none}
.btn.soft{background:var(--card2);color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.btn.warm{background:linear-gradient(135deg,#F0A25E,#E07A45);color:#fff}
.btn.sm{width:auto;padding:10px 17px;font-size:13.5px;border-radius:999px}
.row{display:flex;gap:10px} .row>*{flex:1}

/* ---------- cards / tiles ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow-soft);margin-bottom:14px}
.card.raise{box-shadow:var(--shadow)}
.tile{position:relative;display:flex;flex-direction:column;gap:6px;align-items:flex-start;text-align:left;width:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 16px;box-shadow:var(--shadow-soft);
  transition:transform .18s var(--ease),box-shadow .25s;overflow:hidden}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)} .tile:active{transform:translateY(0)}
.tile .em{font-size:26px} .tile .t{font-weight:800;font-size:15.5px} .tile .s{font-size:12px;color:var(--ink3)}
.tile::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--c,var(--lav));opacity:.0;transition:.3s}
.tile.bar::before{opacity:1}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--card2);border:1.5px solid var(--line);color:var(--ink2);cursor:pointer;transition:.2s;margin:0 7px 7px 0}
.pill.on{background:color-mix(in srgb,var(--accent) 14%,white);border-color:color-mix(in srgb,var(--accent) 40%,white);color:var(--accent)}
.chip{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;font-size:11.5px;font-weight:800;
  background:color-mix(in srgb,var(--accent) 12%,white);color:var(--accent)}
.field{margin-bottom:14px} .field>label{display:block;font-size:12px;font-weight:800;color:var(--ink2);margin-bottom:6px;letter-spacing:.2px}
.input{width:100%;padding:14px 15px;background:var(--card);border:1.6px solid var(--line2);border-radius:14px;transition:border-color .2s}
.input:focus{border-color:var(--lav);outline:none}
textarea.input{resize:vertical;min-height:90px;line-height:1.5}

/* ---------- app bar / tabs ---------- */
.bar{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;position:sticky;top:0;z-index:20;
  background:color-mix(in srgb,var(--surface) 86%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.bar .b{font-family:var(--disp);font-size:18px} .bar .b span{color:var(--lav)}
.iconbtn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;background:var(--card);color:var(--ink);flex:none}
.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;font-family:var(--disp)}
.tabs{display:flex;border-top:1px solid var(--line);background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(12px);position:sticky;bottom:0;z-index:20}
.tabs button{flex:1;min-width:0;padding:9px 2px 11px;display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--ink3);font-size:10px;font-weight:800;white-space:nowrap}
.tabs button svg{width:22px;height:22px} .tabs button.on{color:var(--lav)}
.tabs button.on svg{transform:translateY(-2px)}

/* ---------- hero / translator / patterns ---------- */
.hero{border-radius:var(--r-xl);padding:20px;color:#fff;position:relative;overflow:hidden;margin-bottom:14px;
  background:linear-gradient(140deg,#6E4FA3,#8A5A86 60%,#C97E6A)}
.hero .k{font-size:11px;letter-spacing:2px;text-transform:uppercase;opacity:.8;font-weight:800}
.hero .v{font-family:var(--disp);font-size:21px;line-height:1.2;margin:6px 0 4px}
.hero .s{font-size:13.5px;opacity:.9}
.translator{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin-bottom:14px;background:var(--card)}
.translator .top{padding:16px 18px;background:linear-gradient(135deg,#2E8B6B12,#7E5FB012)}
.translator .step{display:flex;gap:12px;padding:13px 18px;border-top:1px solid var(--line)}
.translator .n{width:26px;height:26px;border-radius:50%;background:var(--lav);color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;flex:none}
.statline{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px}
.stat{background:var(--card2);border-radius:var(--r);padding:13px 15px}
.stat .n{font-family:var(--disp);font-size:23px} .stat .l{font-size:11px;color:var(--ink3);font-weight:800;letter-spacing:.4px;text-transform:uppercase}
.barv{height:8px;border-radius:99px;background:var(--line);overflow:hidden}.barv>i{display:block;height:100%;background:var(--mint);border-radius:99px}
.listrow{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.listrow:last-child{border-bottom:none} .listrow .ic{font-size:20px;width:26px;text-align:center}
.listrow .g{flex:1} .listrow .t{font-weight:700;font-size:14.5px} .listrow .d{font-size:12px;color:var(--ink3)}

/* ---------- sheets / toast / disclaimer ---------- */
.sheet-scrim{position:fixed;inset:0;z-index:40;background:rgba(24,16,40,.5);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:.35s}
.sheet-scrim.on{opacity:1;pointer-events:auto}
.sheet{position:fixed;left:50%;bottom:0;transform:translate(-50%,110%);z-index:41;width:min(var(--maxw),100vw);
  background:var(--surface);border-radius:var(--r-xl) var(--r-xl) 0 0;box-shadow:var(--shadow-lg);transition:transform .5s var(--ease);max-height:88vh;overflow-y:auto}
.sheet.on{transform:translate(-50%,0)} .sheet .pad{padding:24px 20px 34px}
.grab{width:42px;height:5px;border-radius:99px;background:var(--line2);margin:10px auto 4px}
.toast{position:fixed;left:50%;top:18px;transform:translate(-50%,-20px);z-index:60;background:var(--ink);color:#fff;
  font-weight:700;font-size:14px;padding:13px 20px;border-radius:999px;opacity:0;transition:.4s var(--ease);pointer-events:none;box-shadow:var(--shadow-lg);max-width:90vw;text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
.disclaimer{font-size:11.5px;color:var(--ink3);font-style:italic;border:1px dashed var(--line2);border-radius:14px;padding:11px 13px;margin-top:8px}
.foot{padding:22px;text-align:center;font-size:11px;color:var(--ink3);border-top:1px solid var(--line)}
.foot b{font-family:var(--disp);color:var(--lav)}

/* ---------- accessibility skins ---------- */
html[data-skin="dark"]{--bg:#17121F;--surface:#1E1830;--card:#241D38;--card2:#221B33;--ink:#F3EEE4;--ink2:#C7BFD6;--ink3:#9A91AC;--line:#332A47;--line2:#42385A}
html[data-skin="lowstim"]{--bg:#EFEAE0;--surface:#F3EEE6;--card:#F8F4EC;--card2:#F1ECE2;--lav:#6E5C94;--peach:#A0583A;--mint:#3A7359}
html[data-skin="lowstim"] .hero{background:#6E5C94}
html[data-skin="contrast"]{--bg:#fff;--surface:#fff;--card:#fff;--card2:#f3f3f3;--ink:#000;--ink2:#1a1a1a;--ink3:#333;--line:#000;--line2:#000;--lav:#4B2E83}
html[data-skin="contrast"] .card,html[data-skin="contrast"] .tile,html[data-skin="contrast"] .input{border-width:2px}
html[data-large="1"] #app{font-size:18px}
html[data-reduce="1"] *{animation-duration:.001ms!important;transition-duration:.001ms!important}

/* ---------- collapsible sections (home) ---------- */
.acc{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card);margin-bottom:10px;overflow:hidden;box-shadow:var(--shadow-soft)}
.acc[open]{box-shadow:var(--shadow)}
.acc>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:15px 16px;font-weight:800;font-size:14.5px;color:var(--ink);user-select:none}
.acc>summary::-webkit-details-marker{display:none}
.acc>summary .ico{font-size:17px;margin-right:7px}
.acc>summary .chev{color:var(--ink3);transition:transform .25s var(--ease);flex:none}
.acc[open]>summary .chev{transform:rotate(180deg)}
.acc .acc-body{padding:0 13px 13px}
.acc .acc-body .tile{box-shadow:none}

/* ---------- warm home: pillars, feature cards, now/messages, N logo ---------- */
.hero-line{font-family:var(--disp);font-size:21px;line-height:1.3;margin:2px 0 16px;color:var(--ink);font-weight:500}
.hero-line em{color:var(--lav);font-style:italic}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.pillar{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:15px 16px;position:relative;overflow:hidden;box-shadow:var(--shadow-soft)}
.pillar::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--c,var(--lav))}
.pillar .k{font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--ink3);font-weight:800}
.pillar .v{font-family:var(--disp);font-size:20px;line-height:1.15;margin:7px 0 5px;color:var(--ink)}
.pillar .s{font-size:12.5px;color:var(--ink2)}
.feature{border-radius:var(--r-lg);padding:16px 18px;margin-bottom:14px;border:1px solid var(--line)}
.feature.gentle{background:#EEE9F7;border-color:#E1D8F1}
.feature.proud{background:#FBF1DE;border-color:#F1E3C6}
.feature.nudge2{background:#E6F1EA;border-color:#CFE6D9}
.feature-h{display:flex;align-items:center;gap:9px;font-family:var(--disp);font-size:19px;font-weight:500;margin-bottom:7px}
.feature.gentle .feature-h{color:var(--lav)} .feature.proud .feature-h{color:var(--honey)} .feature.nudge2 .feature-h{color:var(--mint)}
.feature-ic{font-size:20px}
.feature-b{font-size:15px;color:var(--ink);line-height:1.5}
.feature-quote{font-family:var(--disp);font-size:18px;color:var(--ink);line-height:1.35;margin-bottom:6px}
.feature-meta{font-size:12px;color:var(--ink3)}
.section-label{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--ink3);font-weight:800;margin:18px 0 10px}
.list-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.list-row:last-child{border-bottom:none}
.list-row .ic{font-size:20px;width:28px;text-align:center;flex:none}
.list-row .g{flex:1}
.list-row .t{font-weight:700;font-size:14.5px;color:var(--ink)}
.list-row .d{font-size:12px;color:var(--ink3)}
.nbox{margin:4px auto 10px;width:54px;height:54px;filter:drop-shadow(0 8px 18px rgba(18,22,38,.3))}
.nbox svg{display:block}

/* pale pastel wash on priority (accent-bar) tiles — plain cards stay white */
.tile.bar{background:color-mix(in srgb, var(--c,var(--lav)) 8%, var(--card));border-color:color-mix(in srgb, var(--c,var(--lav)) 20%, var(--line))}
.tile.bar:hover{background:color-mix(in srgb, var(--c,var(--lav)) 12%, var(--card))}

/* ---------- data visualisation toolkit ---------- */
.statgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:14px}
.statbig{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px 16px;box-shadow:var(--shadow-soft);position:relative;overflow:hidden}
.statbig::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c,var(--lav))}
.statbig .n{font-family:var(--disp);font-size:27px;line-height:1;color:var(--ink)}
.statbig .l{font-size:11px;color:var(--ink3);font-weight:800;letter-spacing:.4px;text-transform:uppercase;margin-top:6px}
.statbig .sub{font-size:12px;color:var(--ink2);margin-top:3px}
.viz-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--shadow-soft);margin-bottom:14px}
.viz-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.viz-h .t{font-weight:800;font-size:14px;color:var(--ink)}
.viz-h .x{font-size:11.5px;color:var(--ink3);font-weight:700}
.bars{display:flex;flex-direction:column;gap:9px}
.barrow{display:grid;grid-template-columns:104px 1fr 26px;align-items:center;gap:10px}
.barrow .bl{font-size:12.5px;color:var(--ink2);font-weight:600;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.barrow .bt{height:13px;border-radius:99px;background:var(--card2)}
.barrow .bf{height:100%;border-radius:99px;background:var(--c,var(--lav));min-width:6px}
.barrow .bv{font-size:12px;color:var(--ink3);font-weight:800}
.weekstrip{display:flex;gap:7px;align-items:flex-end;height:64px;padding-top:4px}
.weekstrip .wd{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.weekstrip .wb{width:100%;max-width:24px;border-radius:7px 7px 4px 4px;background:var(--c,var(--mint));min-height:5px}
.weekstrip .wl{font-size:10px;color:var(--ink3);font-weight:700}
.donutwrap{display:flex;align-items:center;gap:16px}
.donutlegend{flex:1;display:flex;flex-direction:column;gap:6px}
.donutlegend .li{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink2)}
.donutlegend .sw{width:11px;height:11px;border-radius:3px;flex:none}
.strength{height:11px;border-radius:99px;background:var(--card2);overflow:hidden;margin:8px 0 4px}
.strength>i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--honey),var(--mint))}
.catcard{display:flex;align-items:center;gap:13px;width:100%;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;margin-bottom:10px;box-shadow:var(--shadow-soft);transition:transform .15s var(--ease)}
.catcard:hover{transform:translateY(-2px)} .catcard .e{font-size:24px;flex:none}
.catcard .g{flex:1} .catcard .t{font-weight:800;font-size:14.5px} .catcard .s{font-size:12px;color:var(--ink3)}
.catcard .ch{color:var(--ink3)}
/* on-screen evidence document preview */
.packview{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 18px;box-shadow:var(--shadow-soft);font-family:Georgia,'Times New Roman',serif;color:#2a2336}
.packview .pt{font-size:19px;font-weight:700;margin-bottom:3px;color:#2a2336}
.packview .pm{font-size:12px;color:#777;margin-bottom:12px}
.packview .pd{font-size:11.5px;font-style:italic;color:#666;border:1px solid #e6e0d4;border-radius:8px;padding:9px 11px;margin-bottom:14px;background:#faf7f1}
.packview .ps{margin-bottom:13px}
.packview .ph{font-weight:700;font-size:13.5px;color:#5a3f86;margin-bottom:3px}
.packview .pb{font-size:13px;line-height:1.5}
.packview .pf{margin-top:14px;font-size:11px;color:#999}

/* ---------- child "my things" hub ---------- */
.kidsheet{padding:6px 18px 36px}
.kidsheet .kh{font-family:var(--disp);font-size:25px;color:var(--ink);font-weight:500;margin-top:2px}
.kidsheet .ks{color:var(--ink2);font-size:13.5px;margin-bottom:2px}
.kidgroup-l{display:flex;align-items:center;gap:8px;font-size:11.5px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--ink2);margin:17px 0 10px}
.kidgroup-l::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--gc,var(--lav))}
.kidgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:11px}
.kidtile{display:flex;flex-direction:row;align-items:center;gap:12px;padding:13px;border-radius:20px;border:1px solid var(--tb);background:var(--tg);box-shadow:0 2px 8px rgba(36,26,51,.05);text-align:left;transition:transform .14s var(--ease),box-shadow .25s}
.kidtile:active{transform:scale(.96)}
.kidtile:hover{box-shadow:0 10px 24px -10px rgba(36,26,51,.3);transform:translateY(-2px)}
.kidtile .bub{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;background:var(--tbub);flex:none;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.5)}
.kidtile .kt{font-weight:800;font-size:13.5px;color:var(--ink);line-height:1.18}

/* ---------- reward pop (child celebrations) ---------- */
.reward{position:fixed;inset:0;z-index:95;display:flex;align-items:center;justify-content:center;pointer-events:none}
.reward-pop{position:relative;display:flex;flex-direction:column;align-items:center;gap:12px;animation:rwIn .5s cubic-bezier(.34,1.56,.64,1)}
.reward.out .reward-pop{animation:rwOut .65s ease forwards}
.reward-animal{font-size:96px;filter:drop-shadow(0 12px 30px rgba(0,0,0,.32));animation:rwBob 1.1s ease-in-out infinite}
.reward-spark{position:absolute;top:-34px;font-size:30px;animation:rwSpark 1.2s ease-in-out infinite}
.reward-msg{font-family:var(--disp);font-style:italic;font-size:26px;color:#fff;background:rgba(126,95,176,.92);padding:9px 24px;border-radius:99px;box-shadow:0 12px 34px rgba(0,0,0,.3)}
@keyframes rwIn{0%{transform:scale(.2);opacity:0}100%{transform:scale(1);opacity:1}}
@keyframes rwOut{to{transform:scale(.6) translateY(-40px);opacity:0}}
@keyframes rwBob{0%,100%{transform:translateY(0) rotate(-5deg)}50%{transform:translateY(-14px) rotate(5deg)}}
@keyframes rwSpark{0%,100%{opacity:.4;transform:scale(.8) rotate(0)}50%{opacity:1;transform:scale(1.2) rotate(20deg)}}
html[data-reduce="1"] .reward-animal,html[data-reduce="1"] .reward-spark{animation:none}