/* ═══════════════════════════════════════════════════════════
   MATH TRAIL — design system
   Paper & snap-cube identity:
   · warm paper ground, deep pine ink, dino-green brand
   · time-of-day tints for the three daily windows
   · "snap cube" cells as the progress language
   · chalkboard setup diagrams
   ═══════════════════════════════════════════════════════════ */
:root{
  /* Cool-paper identity: near-white blue-grey ground, ink navy, indigo action.
     One accent, thin borders, near-flat surfaces — the calm kitchen-table look. */
  --paper:#F6F7F9; --card:#FFFFFF; --ink:#16182B; --ink-soft:#5A6172; --ink-faint:#8A93A3;
  --line:#E9EAF0; --line-soft:#F0F1F4;
  --brand:#4F46E5; --brand-deep:#4338CA; --brand-bg:#ECEBFB; --brand-line:#D9D6F6;
  --board:#1E2233; --chalk:#C9CEDE;
  --dawn:#E0A11B; --dawn-bg:#FBF3DF; --dawn-line:#F0E2BC;
  --day:#4F46E5;  --day-bg:#ECEBFB;  --day-line:#D9D6F6;
  --dusk:#1E2233; --dusk-bg:#ECEDF2; --dusk-line:#D8DAE3;
  --danger:#D6455D; --danger-bg:#FCEBEE;
  --amber-ink:#8A6410; --amber-bg:#FBF3DF; --amber-line:#F0E2BC;
  --accent:var(--brand); --accent-d:var(--brand-deep);
  --c-subitizing:#6D3FC0; --c-subitizing-bg:#F0EBFA;
  --c-counting:#0A6E9E;   --c-counting-bg:#E6F2F8;
  --c-one_more_less:#1B7A57; --c-one_more_less-bg:#E5F2EC;
  --c-composition:#4655C4;   --c-composition-bg:#EAEDFB;
  --c-stories:#B52B4E;       --c-stories-bg:#F9EAEE;
  --c-counting_on:#1E5FB8;   --c-counting_on-bg:#E7EFFA;
  --c-comparison:#A96410;    --c-comparison-bg:#F8EFDE;
  --c-patterns:#B02D75;      --c-patterns-bg:#F8EAF2;
  --c-shapes:#0E7266;        --c-shapes-bg:#E4F2F0;
  --c-workbook:#B14A14;      --c-workbook-bg:#F9EDE3;
  --r-lg:20px; --r-md:14px; --r-sm:10px;
  /* font stacks — zero external requests, fully offline (audit P1) */
  --font-display:ui-rounded,'SF Pro Rounded','Hiragino Maru Gothic ProN','Arial Rounded MT Bold',system-ui,sans-serif;
  --font-body:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --font-mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  /* type scale — 11.5px legibility floor (audit V3) */
  --fs-2xs:11.5px; --fs-xs:12.5px; --fs-sm:13.5px; --fs-md:15px; --fs-lg:17px; --fs-xl:21px;
  /* space scale (audit V5) */
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:20px; --sp-6:28px;
  /* focus ring token — one ring everywhere */
  --ring:3px solid var(--brand);

  /* ── layout tokens (visual polish round) ──────────────────────────
     Semantic, not component-bound. Three spacing tiers the eye can read:
     items in a group → groups in a section → sections. Everything below
     picks from these; component rules stop inventing their own numbers. */
  --content-main:760px;        /* the plan column — comfortable reading width */
  --content-wide:840px;        /* outer bound; a single calm column, no sprawl */
  --space-page-inline:20px;    /* page gutter */
  --space-item:8px;            /* between items of one group */
  --space-group:14px;          /* between groups inside a section */
  --space-section:20px;        /* between sections */
  --space-card:22px;           /* card padding — generous whitespace */
  --space-card-tight:16px;     /* padding for compact/secondary cards */
  --control-h:48px;            /* inputs and primary actions */
  --control-h-sm:44px;         /* compact controls; never below the hit floor */
  --hit-min:44px;              /* never smaller, however light it looks */

  /* surface hierarchy — page sits under raised, sunken recedes */
  --surface-page:var(--paper);
  --surface-raised:var(--card);
  --surface-sunken:#F1F2F6;
  --border-subtle:#E9EAF0;
  --shadow-raised:0 1px 2px rgba(22,24,43,.04);
  --shadow-lifted:0 2px 8px rgba(22,24,43,.08);
  --r-card:16px;               /* the one card radius the screenshot uses */
}
*{-webkit-tap-highlight-color:transparent;box-sizing:border-box;margin:0;padding:0}
html{font-size:16px}
body{font-family:var(--font-body);background:var(--paper);min-height:100vh;color:var(--ink);
  font-size:15px;line-height:1.5}
a{color:var(--brand)}a:hover{color:var(--brand-deep)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}
:focus-visible{outline:var(--ring);outline-offset:2px;border-radius:6px}
.hidden{display:none!important}
.wrap{max-width:var(--content-wide);margin:0 auto;padding:0 var(--space-page-inline) calc(40px + env(safe-area-inset-bottom))}
.card{background:var(--surface-raised);border:1px solid var(--border-subtle);border-radius:var(--r-card);padding:var(--space-card);margin-bottom:var(--space-section);box-shadow:var(--shadow-raised)}
h1{font-family:var(--font-display);font-size:20px;font-weight:800;letter-spacing:-.3px;line-height:1.15}
h2{font-family:var(--font-display);font-size:16.5px;font-weight:700;letter-spacing:-.2px;margin-bottom:var(--space-item)}
h3{font-family:var(--font-display);font-weight:700;letter-spacing:-.2px}
.sub{font-size:13px;color:var(--ink-faint);font-weight:600;line-height:1.45}
.eyebrow{font-size:var(--fs-2xs);font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--ink-faint)}
.pill{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:99px;font-size:11.5px;font-weight:700}
.badge{font-size:11px;font-weight:700;padding:3px 10px;border-radius:99px;display:inline-block}
.fade{animation:fadeIn .35s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.pulse{animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media (prefers-reduced-motion:reduce){.fade,.pulse{animation:none}*{transition:none!important}}

/* ── header ─────────────────────────────────────── */
.header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:var(--space-section) 2px var(--space-group)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{width:52px;height:52px;border-radius:50%;background:#E4EFE7;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0}
h1{font-size:23px}
.hactions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.gear{font-size:16px;width:var(--hit-min);height:var(--hit-min);border-radius:12px;background:var(--surface-sunken);border:1px solid var(--border-subtle);color:var(--ink-soft);display:flex;align-items:center;justify-content:center}
.gear:active{transform:scale(.94)}
/* language pill + mode pill — grouped controls, screenshot-right */
.langtoggle{display:inline-flex;background:var(--surface-sunken);border:1px solid var(--border-subtle);border-radius:999px;padding:3px}
.langtoggle button{min-height:38px;min-width:40px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:800;color:var(--ink-faint)}
.langtoggle button.on{background:var(--card);color:var(--ink);box-shadow:var(--shadow-raised)}
.pill.mode-normal{background:var(--brand-bg);color:var(--brand-deep)}
.pill.mode-story{background:var(--dawn-bg);color:var(--amber-ink)}
.pill.mode-cool{background:var(--day-bg);color:var(--day)}
#modeChip{font-weight:800}

/* ── summary: four at-a-glance cards ────────────── */
.summary{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:var(--space-section)}
.sumcard{background:var(--card);border:1px solid var(--border-subtle);border-radius:var(--r-card);
  padding:18px 14px;min-height:96px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;text-align:center;box-shadow:var(--shadow-raised)}
.sumv{font-family:var(--font-display);font-size:26px;font-weight:800;letter-spacing:-.5px;color:var(--ink);line-height:1.05}
.sumcard.wide .sumv{font-size:16px;line-height:1.2}
.sumk{font-size:var(--fs-2xs);font-weight:800;text-transform:uppercase;letter-spacing:.7px;color:var(--ink-faint)}

/* ── tabs: segmented control ────────────────────── */
.tabs{display:flex;gap:4px;background:var(--surface-sunken);border:1px solid var(--border-subtle);
  border-radius:14px;padding:5px;margin-bottom:var(--space-section)}
.tabs button{flex:1;min-height:var(--hit-min);border-radius:10px;font-size:14.5px;font-weight:700;
  color:var(--ink-faint);display:flex;align-items:center;justify-content:center}
.tabs button.on,.tabs button[aria-current="page"]{background:var(--card);color:var(--ink);box-shadow:var(--shadow-lifted)}
.tabs button:active{transform:scale(.98)}

/* ── hero: this week ────────────────────────────── */
.hero{padding:18px 20px}
.weekstrip{display:flex;justify-content:space-between;gap:4px;margin:12px 0 10px}
.wday{display:flex;flex-direction:column;align-items:center;gap:5px;flex:1}
.wday .wl{font-size:var(--fs-2xs);font-weight:800;color:var(--ink-faint);text-transform:uppercase}
.wday.today .wl{color:var(--brand-deep)}
.cube{width:15px;height:15px;border-radius:4.5px;background:var(--line-soft);border:1.5px solid var(--line);flex-shrink:0;display:inline-flex;align-items:center;justify-content:center}
.cube.on{background:var(--brand);border-color:var(--brand-deep)}
.cube.big{width:32px;height:32px;border-radius:9px;font-size:13px;font-weight:800;color:var(--ink-faint)}
.cube.big.on{color:#fff;box-shadow:inset 0 -3px 0 rgba(0,0,0,.14)}
.wday.today .cube.big{border-color:var(--brand);border-width:2px}
.statline{font-size:13px;font-weight:600;color:var(--ink-soft)}
.statline b{font-weight:800;color:var(--ink)}
.focusline{border-top:1.5px dashed var(--line);margin-top:14px;padding-top:12px}
.focusline .fl{font-family:var(--font-display);font-size:15px;font-weight:700;margin:3px 0 7px}
.cubes{display:flex;gap:4px;align-items:center}
.cubes .ct{font-size:11.5px;font-weight:800;color:var(--ink-faint);margin-left:6px}

/* ── plan: session windows ──────────────────────── */
/* Three equal white cards — a small coloured dot is the only period cue.
   No window is larger or louder than another (PR review: no clock dominance). */
.wingrid{display:flex;flex-direction:column;gap:12px;margin-top:var(--space-group)}
.winblock{border-radius:var(--r-card);border:1px solid var(--border-subtle);background:var(--card);
  padding:16px;display:flex;flex-direction:column;gap:var(--space-group)}
.win-morning{--wc:var(--dawn)}
.win-afternoon{--wc:var(--day)}
.win-bedtime{--wc:var(--dusk)}
.winhead{display:flex;align-items:center;gap:11px}
.wdot{width:11px;height:11px;border-radius:50%;background:var(--wc);flex-shrink:0}
.winhead .wtxt{min-width:0;flex:1}
.winhead .t{display:block;font-family:var(--font-display);font-weight:700;font-size:15.5px;color:var(--ink)}
.winhead .d{display:block;font-size:12.5px;font-weight:600;color:var(--ink-faint);margin-top:1px}
.donechip{font-size:11px;font-weight:800;color:var(--ink-faint);background:var(--surface-sunken);border:1px solid var(--border-subtle);padding:4px 10px;border-radius:99px;white-space:nowrap}
.donechip.now{color:var(--brand-deep);background:var(--brand-bg);border-color:var(--brand-line)}
.donechip.started{color:var(--brand-deep);background:var(--brand-bg);border-color:var(--brand-line)}
/* select (full width) + compact suggestion action, per the reference */
.orrow{display:flex;gap:10px;align-items:stretch}
.orrow select{flex:1;min-height:var(--control-h);margin:0}
.suggestbtn{flex-shrink:0;width:var(--control-h);min-height:var(--control-h);border-radius:12px;
  background:var(--brand);color:#fff;font-size:18px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.14)}
.suggestbtn:active{transform:scale(.95)}
/* the clock's window: a whisper, not a size change */
.winblock.is-now{border-color:var(--brand-line)}

/* ── blueprint (activity card) ──────────────────── */
.blueprint{border-left:5px solid var(--cat,var(--brand))}
.eyebrow.cat{color:var(--cat)}
.bphead{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:4px 0 10px}
.bphead h3{font-size:21px}
.badges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.materials{font-size:13px;font-weight:700;color:var(--ink-soft)}
.lvlrow{display:flex;align-items:center;gap:8px;background:var(--amber-bg);border:1px solid var(--amber-line);border-radius:var(--r-sm);padding:9px 12px;margin-top:10px}
.lvlrow .txt{font-size:12.5px;font-weight:700;color:var(--amber-ink);line-height:1.45}
.whybox{font-size:12.5px;font-weight:700;color:var(--brand-deep);background:var(--brand-bg);border-radius:var(--r-sm);padding:9px 12px;margin:10px 0 4px}
.ascii{font-family:var(--font-mono);background:var(--board);color:var(--chalk);border-radius:12px;padding:14px 12px;white-space:pre;line-height:1.6;overflow-x:auto;font-size:11.5px;margin:8px 0 14px;box-shadow:inset 0 0 0 4px rgba(207,232,218,.08)}
.scriptbox{background:var(--paper);border:1px solid var(--line-soft);border-radius:12px;padding:6px 14px;margin:8px 0 16px}
.step{display:flex;gap:11px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed var(--line)}
.step:last-child{border-bottom:none}
.stepnum{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--brand-bg);color:var(--brand-deep);font-size:11.5px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:1px}
.step span:last-child{font-size:14px;font-weight:600;color:var(--ink-soft);line-height:1.55}
.actrow{display:flex;gap:8px}
.primary{flex:1;padding:14px;min-height:var(--control-h);border-radius:13px;font-weight:800;color:#fff;font-size:15px;
  background:var(--brand);box-shadow:inset 0 -3px 0 rgba(0,0,0,.16),0 2px 8px rgba(46,125,91,.22)}
/* The save button closes the form: full width on touch, and it never floats
   away from the last question. */
#saveBtn{width:100%;margin-top:var(--space-group)}
.primary:active{transform:scale(.97)}
.ghostbtn{flex-shrink:0;padding:0 16px;min-height:50px;border-radius:13px;border:1.5px solid var(--line);background:var(--card);color:var(--ink-soft);font-weight:800;font-size:13.5px}
.ghostbtn:active{background:var(--paper)}

/* ── form ───────────────────────────────────────── */
label.f,legend.f{display:block;font-size:var(--fs-2xs);font-weight:800;color:var(--ink-faint);text-transform:uppercase;letter-spacing:1px;margin:var(--space-group) 0 var(--space-item)}
fieldset{border:none;margin:0;padding:0}
select,input[type=text],input[type=month]{width:100%;border-radius:12px;border:1.5px solid var(--line);background:#fff;padding:12px 13px;min-height:var(--control-h);font-size:15px;font-weight:600;font-family:inherit;color:var(--ink);outline:none;appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2354615A' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
input[type=text],input[type=month]{background-image:none}
select:focus,input:focus{border-color:var(--brand)}
.radios{display:grid;gap:var(--space-item)}
.radios.c3{grid-template-columns:1fr 1fr 1fr}
.radios.c2{grid-template-columns:1fr 1fr}
.radios label{cursor:pointer}
.radios input{position:absolute;opacity:0;pointer-events:none}
.radios .opt{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:58px;text-align:center;padding:9px 4px;border-radius:12px;border:1.5px solid var(--line);transition:all .15s;background:#fff}
.radios input:checked+.opt{border-color:var(--brand);background:var(--brand-bg);box-shadow:inset 0 0 0 1px var(--brand)}
.radios input:focus-visible+.opt{outline:3px solid var(--brand);outline-offset:2px}
.radios .opt .e{font-size:19px}
.radios .opt .t{font-size:11.5px;font-weight:700;color:var(--ink-soft)}
.radios input:checked+.opt .t{color:var(--brand-deep)}
.editnote{display:none;background:var(--amber-bg);border:1px solid var(--amber-line);color:var(--amber-ink);font-size:12.5px;font-weight:700;border-radius:var(--r-sm);padding:10px 12px;margin-bottom:4px}
.editnote button{color:var(--amber-ink);font-weight:800;text-decoration:underline;font-size:12.5px}

/* ── history ────────────────────────────────────── */
/* A session is a row on a day's thread — the day card is the only surface,
   the session itself is marked by its category rule, not by another box. */
.sesscard{background:none;border:none;border-left:2.5px solid var(--cat,var(--line));border-radius:0;
  padding:var(--space-item) 0 var(--space-item) var(--space-group);margin-bottom:var(--space-item)}
.sesscard:last-child{margin-bottom:0}
.sess-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.sessmeta{font-size:12px;font-weight:800;color:var(--ink-faint)}
.sessacts{display:flex;gap:2px;flex-shrink:0}
.sessname{font-family:var(--font-display);font-weight:700;font-size:14.5px;margin:1px 0 3px}
.pills{display:flex;flex-wrap:wrap;gap:5px;margin-top:var(--space-item)}
.iconbtn{font-size:13px;min-width:var(--hit-min);min-height:var(--hit-min);display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;background:none;border:1px solid transparent;color:var(--ink-faint);opacity:.72}
.iconbtn:hover,.iconbtn:focus-visible{opacity:1;background:var(--surface-sunken);border-color:var(--border-subtle)}
.iconbtn.del{color:var(--danger)}
.iconbtn.del:hover,.iconbtn.del:focus-visible{background:var(--danger-bg);border-color:#F2D8D2}
.sessteach{font-size:var(--fs-2xs);font-weight:800}
.tsep{color:var(--line)}
.pill-soft{background:var(--paper);color:var(--ink-soft)}
.pill-brand{background:var(--brand-bg);color:var(--brand-deep)}
.pill-treat{background:var(--c-patterns-bg);color:var(--c-patterns)}
/* Notes are the reflective gold of history — quoted, not buried (audit §history) */
.sessnote{font-size:var(--fs-sm);color:var(--ink-soft);font-weight:600;margin-top:var(--space-item);
  padding:var(--space-item) var(--space-group);background:var(--surface-sunken);border-radius:8px;max-width:60ch}
.daytop{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:var(--space-group)}
.daytop .dl{font-family:var(--font-display);font-weight:700;font-size:15px}
.daytop .dc{font-size:12.5px;font-weight:700;color:var(--ink-faint)}

/* ── stats: skill trail ─────────────────────────── */
.trail{position:relative;padding-left:36px}
.trail::before{content:'';position:absolute;left:14px;top:8px;bottom:8px;width:3px;border-radius:3px;background:linear-gradient(var(--brand-line),var(--line-soft))}
.tstop{position:relative;padding:8px 0 8px 4px}
.tstop .dot{position:absolute;left:-30px;top:10px;width:23px;height:23px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;background:var(--line);border:3px solid var(--card);color:#fff}
.tstop.done .dot{background:var(--brand)}
.tstop.now .dot{background:var(--dawn);box-shadow:0 0 0 4px rgba(201,123,18,.18);font-size:13px}
.tstop .tl{font-size:14px;font-weight:800;color:var(--ink)}
.tstop.next .tl{color:#A8B0AA}
.tstop .td{font-size:12px;font-weight:600;color:var(--ink-faint)}
.tstop.now .tl{color:var(--dawn)}
.tstop.now .td{color:var(--dawn)}

/* ── stats: adaptive state / goals / cells ──────── */
.stategrid .srow{display:flex;align-items:center;justify-content:space-between;padding:12px 13px;border-radius:12px;margin-bottom:8px}
.stategrid .st{font-size:13px;font-weight:800}
.stategrid .sd{font-size:12px;font-weight:600;opacity:.85;margin-top:1px}
.sdot{width:12px;height:12px;border-radius:50%;flex-shrink:0;margin-left:10px;background:#D9DCD4}
.goalrow{margin-bottom:15px}
.goalrow:last-child{margin-bottom:2px}
.goaltop{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.goaltop .gl{font-size:13.5px;font-weight:800}
.goaltop .gb{font-size:11.5px;font-weight:800}
.goalrow .cube{width:22px;height:22px;border-radius:6px}
.goalrow .gd{font-size:11.5px;color:var(--ink-faint);font-weight:600;margin-top:4px}
.statgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.statgrid .cell{border-radius:var(--r-md);padding:16px 8px;text-align:center;border:1px solid}
.statgrid .v{font-family:var(--font-display);font-size:24px;font-weight:800}
.statgrid .k{font-size:11px;font-weight:700;opacity:.8;margin-top:2px}

/* ── banners / toast / modal / language ─────────── */
#bannerZone{position:sticky;top:0;z-index:50;padding:10px 12px 0;max-width:560px;margin:0 auto}
.banner{border-radius:12px;padding:11px 14px;color:#fff;font-weight:700;font-size:12.5px;display:flex;gap:8px;align-items:center;box-shadow:0 4px 14px rgba(38,49,43,.16);margin-bottom:8px}
#toast{position:fixed;bottom:calc(92px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);padding:12px 20px;border-radius:12px;color:#fff;font-weight:700;font-size:13.5px;box-shadow:0 10px 30px rgba(38,49,43,.3);opacity:0;transition:opacity .3s;pointer-events:none;z-index:99;white-space:nowrap;background:var(--ink)}
#settingsDialog{border:none;background:none;padding:0;margin:auto;width:min(460px,calc(100vw - 28px))}
#settingsDialog::backdrop{background:rgba(38,49,43,.5)}
.modal{background:var(--card);border-radius:var(--r-lg);padding:24px;max-height:calc(100vh - 48px);overflow-y:auto}
.mrow{display:flex;gap:8px;margin-top:12px}
.mrow button{flex:1;padding:12px;min-height:46px;border-radius:12px;font-weight:800;font-size:13px}
.btn-soft{background:var(--brand-bg);color:var(--brand-deep)}
.btn-danger{background:var(--danger-bg);color:var(--danger)}
/* ── active session ─────────────────────────────── */
#sessionBar{position:sticky;top:8px;z-index:55}
.sessionbar{display:flex;align-items:center;gap:10px;background:var(--brand-deep);color:#fff;border-radius:14px;padding:10px 14px;margin-bottom:12px;box-shadow:var(--shadow-lifted)}
.sessionbar .si{min-width:0;flex:1}
.sessionbar .st1{font-size:13px;font-weight:800}
.sessionbar .st2{font-size:11.5px;font-weight:600;opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sessionbar .stime{font-family:var(--font-display);font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}
.sessionbar button{background:rgba(255,255,255,.16);border-radius:9px;padding:7px 10px;font-size:11.5px;font-weight:800;color:#fff;white-space:nowrap}
.sessionbar button.ghost{background:none;text-decoration:underline;opacity:.85;padding:7px 4px}
.hint{font-size:12px;color:var(--ink-faint);font-weight:600;margin:4px 0 8px}
/* rest day: a quiet, honest opt-out — never a penalty */
.restbtn{display:block;margin:var(--space-group) auto 0;padding:8px 12px;min-height:var(--hit-min);
  background:none;color:var(--ink-faint);font-weight:700;font-size:13px;text-decoration:underline;text-underline-offset:3px}
.restbtn:active{color:var(--ink-soft)}

/* ── workflow: skip link, plan reason, pending-save, system details ── */
.skiplink{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--brand-deep);color:#fff;padding:10px 16px;border-radius:10px;font-weight:800;font-size:14px}
.skiplink:focus{left:12px}
.pendnote{display:none;background:var(--brand-bg);border:1px solid var(--brand-line);color:var(--brand-deep);font-size:13px;font-weight:700;border-radius:var(--r-sm);padding:10px 12px;margin-bottom:6px}
.pendnote button{color:var(--brand-deep);font-weight:800;text-decoration:underline;font-size:13px;min-height:44px;padding:0 4px}
.sysdetails summary{list-style:none;cursor:pointer;display:flex;align-items:center;min-height:44px;gap:8px}
.sysdetails summary::-webkit-details-marker{display:none}
.sysdetails summary::after{content:'▾';margin-left:auto;color:var(--ink-faint);transition:transform .2s}
.sysdetails[open] summary::after{transform:rotate(180deg)}
.sysdetails summary h2{margin-bottom:0}
.sysdetails[open] summary{margin-bottom:6px}
.moredetails{border-top:1px dashed var(--line);margin-top:var(--space-group)}
.moredetails summary{list-style:none;cursor:pointer;min-height:44px;display:flex;align-items:center;font-size:var(--fs-sm);font-weight:800;color:var(--ink-faint)}
.moredetails summary::-webkit-details-marker{display:none}
.moredetails summary::before{content:'▸';margin-right:8px;transition:transform .2s}
.moredetails[open] summary::before{transform:rotate(90deg)}
.cube.big.rest{background:var(--dusk-bg);border-color:var(--dusk-line);color:var(--dusk);font-size:14px}
.datechip{display:inline-block;background:var(--brand-bg);color:var(--brand-deep);border:1px solid var(--brand-line);border-radius:99px;padding:3px 11px;font-size:12px;font-weight:800;margin-bottom:10px}

/* ── responsive ─────────────────────────────────────
   One calm centred column at every width — the desktop is the reference and
   it is deliberately NOT a dashboard. Only the summary grid adapts. */
@media (min-width:820px){
  .hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:0 30px;align-items:start}
  .hero-grid .focusline{border-top:none;border-left:1px solid var(--border-subtle);margin-top:0;padding:2px 0 2px 26px}
  .statgrid{grid-template-columns:repeat(4,1fr)}
}
/* phones: two columns of summary cards, never four squeezed into a row */
@media (max-width:560px){
  .summary{grid-template-columns:1fr 1fr}
  .sumcard{min-height:88px;padding:16px 12px}
}
@media (max-width:380px){
  :root{--space-page-inline:14px;--space-card:18px}
  .winblock{padding:14px}
}