/* Ledger, refined: a cool paper page, white surfaces that lift each card, ink for actions,
   one cobalt for progress and "yes", and three quiet area colours so units are easy to tell apart.
   Serif for what you read and decide on; grotesk for what you operate. One answer per page in flows. */
:root{
  --bg:#F3F4F6; --surface:#FFFFFF; --sunk:#E9EAEE; --line:#E1E2E7; --rule:#15161A;
  --ink:#15161A; --ink-2:#4B4E57; --ink-3:#7A7E89;
  --accent:#3346F0; --accent-soft:#E8EAFE; --accent-ink:#FFFFFF;
  --miss:#B0402F; --part:#A87400; --good:#3346F0;
  --hw:#2D6A55; --hw-soft:#E3EFE9; --body:#9A4B22; --body-soft:#F5E8DF; --think:#3346F0; --think-soft:#E8EAFE; --start:#15161A; --start-soft:#E9EAEE;
  --btn:#15161A; --btn-ink:#FFFFFF;
  --shadow:0 1px 2px rgba(20,22,30,.05),0 8px 24px -14px rgba(20,22,30,.18);
  --serif:"Bodoni Moda","Didot","Bodoni 72",Georgia,serif;
  --sans:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --r:14px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0E0F12; --surface:#17191E; --sunk:#202228; --line:#2B2E36; --rule:#EEF0F4;
  --ink:#F1F2F5; --ink-2:#C9CCD4; --ink-3:#9EA2AD;
  --accent:#8F9DFF; --accent-soft:#232848; --accent-ink:#0E0F12; --miss:#FF8F7E; --part:#F0C35C; --good:#8F9DFF;
  --hw:#7FCDB2; --hw-soft:#1B2C27; --body:#F0A57D; --body-soft:#33231B; --think:#8F9DFF; --think-soft:#232848; --start:#F1F2F5; --start-soft:#24262D;
  --btn:#F1F2F5; --btn-ink:#0E0F12; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -16px rgba(0,0,0,.7),inset 0 0 0 1px #2B2E36; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E0F12; --surface:#17191E; --sunk:#202228; --line:#2B2E36; --rule:#EEF0F4;
  --ink:#F1F2F5; --ink-2:#C9CCD4; --ink-3:#9EA2AD;
  --accent:#8F9DFF; --accent-soft:#232848; --accent-ink:#0E0F12; --miss:#FF8F7E; --part:#F0C35C; --good:#8F9DFF;
  --hw:#7FCDB2; --hw-soft:#1B2C27; --body:#F0A57D; --body-soft:#33231B; --think:#8F9DFF; --think-soft:#232848; --start:#F1F2F5; --start-soft:#24262D;
  --btn:#F1F2F5; --btn-ink:#0E0F12; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -16px rgba(0,0,0,.7),inset 0 0 0 1px #2B2E36; color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums lining-nums;
  padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px));padding-block:0 150px}
::selection{background:var(--accent);color:var(--accent-ink)}
.wrap{max-width:560px;margin:0 auto;padding-top:22px;display:flex;flex-direction:column}
h1,h2,h3{margin:0;font-weight:500;text-wrap:balance}
p{margin:0}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0;text-align:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
input,textarea,select{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;width:100%;min-width:0;caret-color:var(--accent)}
input:focus,textarea:focus,select:focus{border-color:var(--ink);outline:none}
input::placeholder,textarea::placeholder{color:var(--ink-3)}
textarea{resize:vertical;min-height:110px}
.serif{font-family:var(--serif)} .it{font-style:italic}
.meta{font-size:13px;color:var(--ink-3)}
.sub{color:var(--ink-2)}
.hint{font-size:13.5px;color:var(--ink-3)}
.top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:13px;color:var(--ink-3)}
.display{font-family:var(--serif);font-size:44px;line-height:1.04;letter-spacing:-.015em;margin-top:30px}
.verdict{font-size:18px;line-height:1.5;margin-top:14px;max-width:34ch;color:var(--ink-2)}
.section{margin-top:30px;display:flex;flex-direction:column;gap:10px}
.section-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding-bottom:8px;border-bottom:1px solid var(--rule)}
.section-h h2{font-family:var(--serif);font-size:23px}
.empty{color:var(--ink-3);font-size:15px;padding:6px 0}
.link{color:var(--accent);font-weight:500;font-size:15px}
.k{color:var(--good)} .m{color:var(--miss)} .p{color:var(--part)}
.btn{min-height:56px;border-radius:14px;background:var(--btn);color:var(--btn-ink);font-weight:500;font-size:16.5px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:transform .12s ease,opacity .15s}
.btn:active{transform:scale(.985)}
.btn.line{background:var(--surface);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.btn.sm{min-height:40px;font-size:14.5px;padding:0 14px;border-radius:10px}
.btn.wide{width:100%}
.btn[disabled]{opacity:.35;cursor:default}
/* area tags */
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:500;letter-spacing:.01em}
.tag-hardware{background:var(--hw-soft);color:var(--hw)} .tag-body{background:var(--body-soft);color:var(--body)} .tag-thinking{background:var(--think-soft);color:var(--think)} .tag-start{background:var(--start-soft);color:var(--start)}
/* home cards */
.unit-card{display:flex;flex-direction:column;gap:10px;width:100%;background:var(--surface);border-radius:20px;padding:22px;box-shadow:var(--shadow);text-align:left}
.unit-card .uc-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.unit-card .uc-t{font-family:var(--serif);font-size:30px;line-height:1.1}
.unit-card .uc-l{color:var(--ink-2);font-size:15.5px}
.unit-card .uc-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:6px}
.unit-card .uc-go{display:inline-flex;align-items:center;height:44px;padding:0 18px;border-radius:12px;background:var(--btn);color:var(--btn-ink);font-weight:500;font-size:15px}
.unit-card.quiet{background:transparent;box-shadow:inset 0 0 0 1px var(--line)}
.unit-card.quiet .uc-t{font-size:24px}
.unit-card.warn{box-shadow:inset 0 0 0 1.5px var(--miss),var(--shadow)}
.side-card{display:flex;flex-direction:column;gap:2px;width:100%;background:var(--sunk);border-radius:14px;padding:14px 18px;text-align:left}
.side-card .sc-t{font-weight:500}
.welcome-back{margin-top:22px;background:var(--accent-soft);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:6px}
.qlist{list-style:none;margin:0 0 6px;padding:0;display:flex;flex-direction:column}
.qlist li{padding:11px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.qlist li:last-child{border-bottom:0}
.level{display:flex;flex-direction:column;gap:8px}
.lv-n{font-family:var(--serif);font-size:20px}
.lv-bar{height:4px;background:var(--sunk);border-radius:4px;overflow:hidden}.lv-bar i{display:block;height:100%;background:var(--accent);border-radius:4px}
.steps3{display:flex;flex-direction:column;gap:2px;background:var(--surface);border-radius:18px;box-shadow:var(--shadow);padding:6px 20px}
.steps3>div{display:grid;grid-template-columns:30px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.steps3>div:last-child{border-bottom:0}
.steps3 .n{font-family:var(--serif);font-size:22px;color:var(--accent);line-height:1.1}
/* flows: one answer per page */
.flowbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:12px;padding:6px 0 10px}
.iconbtn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:var(--ink-2)}
.fprog{height:4px;background:var(--sunk);border-radius:4px;overflow:hidden}.fprog i{display:block;height:100%;background:var(--accent);border-radius:4px;transition:width .35s cubic-bezier(.16,1,.3,1)}
.page{min-height:calc(100vh - 220px);display:flex;flex-direction:column;gap:14px;padding-top:26px;animation:pagein .35s cubic-bezier(.16,1,.3,1) both}
@keyframes pagein{from{transform:translateY(8px)}to{transform:none}}
.kicker{display:flex;gap:8px}
.ptitle{font-family:var(--serif);font-size:40px;line-height:1.06;letter-spacing:-.01em}
.pline{font-size:18px;line-height:1.5;color:var(--ink-2)}
.pq{font-family:var(--serif);font-size:32px;line-height:1.14;letter-spacing:-.005em}
.pfoot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}
.answers{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.answers.two{display:grid;grid-template-columns:1fr 1fr}
.answer{display:flex;flex-direction:column;gap:3px;background:var(--surface);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow);min-height:64px;justify-content:center;transition:transform .12s ease,box-shadow .15s}
@media (hover:hover){.answer:hover{box-shadow:inset 0 0 0 1.5px var(--ink),var(--shadow)}}
.answer:active{transform:scale(.985);background:var(--accent-soft)}
.answer .a-t{font-weight:500;font-size:17px}
.answer .a-s{color:var(--ink-2);font-size:15px}
.answer.ghost{background:transparent;box-shadow:inset 0 0 0 1px var(--line)}
.answers.two .answer{align-items:center;text-align:center;min-height:84px}
.answers.two .answer .a-t{font-family:var(--serif);font-size:26px;font-weight:500}
.answer.sel{box-shadow:inset 0 0 0 2px var(--ink),var(--shadow)}.answer.yes.sel{box-shadow:inset 0 0 0 2px var(--accent),var(--shadow)}
.answers.two .answer.yes{background:var(--accent-soft);color:var(--accent)}
.flabel{font-size:13.5px;font-weight:500;color:var(--ink-2);margin-top:10px}
.seg2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.seg2 button{background:var(--surface);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:3px;box-shadow:inset 0 0 0 1px var(--line);text-align:left}
.seg2 button span{font-size:13.5px;color:var(--ink-2)}
.seg2 button[aria-pressed="true"]{box-shadow:inset 0 0 0 2px var(--accent);background:var(--accent-soft)}
.seg3{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.seg3 button{text-align:center;padding:0 8px;height:46px;border-radius:12px;box-shadow:inset 0 0 0 1px var(--line);background:var(--surface);font-size:14.5px}
.seg3 button[aria-pressed="true"]{background:var(--btn);color:var(--btn-ink);box-shadow:none}
.toggle{display:flex;gap:12px;align-items:center;font-size:15px;margin-top:8px}.toggle input{width:20px;height:20px;accent-color:var(--accent)}
.bigtime{font-family:var(--serif);font-size:40px;padding:18px 20px;text-align:left}.bigtime::-webkit-calendar-picker-indicator{opacity:.35}
.done-mark{width:56px;height:56px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;margin-top:10px}
.done-mark svg{width:22px;height:18px}
.rehearse-cue{font-family:var(--serif);font-size:36px;line-height:1.14;margin-top:6px}
.rehearse-act{font-family:var(--serif);font-style:italic;font-size:28px;line-height:1.2;color:var(--accent);opacity:0;transition:opacity .8s ease}
.rehearse-act.on{opacity:1}
details.why{border:0}
details.why summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:6px;align-items:center;color:var(--accent);font-weight:500;font-size:15px;padding:4px 0}
details.why summary::-webkit-details-marker{display:none}
details.why p{padding-top:8px;font-size:16px}
/* lists */
.hrow{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}
.hrow:last-child{border-bottom:0}
.hr-t{font-weight:500}
.hr-meta{display:flex;gap:14px;align-items:center;margin-top:6px;font-size:13.5px}
.cue{display:block;font-size:14.5px;color:var(--ink-2);margin-top:2px}
.cue b{font-weight:500;color:var(--ink)}
.okmini{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--accent);color:var(--accent-ink);margin-right:8px;vertical-align:-3px}
.okmini svg{width:9px;height:8px}
details{border-bottom:1px solid var(--line)}
details summary{list-style:none;cursor:pointer;padding:14px 0;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary .chev{transition:transform .2s;color:var(--ink-3);display:inline-grid;place-items:center;width:16px;height:16px}details summary .chev::before{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(-45deg)}
details[open] summary .chev{transform:rotate(90deg)}
.lesson-body{padding:0 0 18px;display:flex;flex-direction:column;gap:10px}
.tick{width:24px;height:24px;border-radius:50%;border:1.5px solid var(--ink-3);display:grid;place-items:center}.tick.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.hero{display:flex;align-items:flex-end;gap:14px;margin-top:30px}
.big{font-family:var(--serif);font-size:92px;line-height:.82;letter-spacing:-.03em}
.hero .lbl{padding-bottom:6px}
.bars{display:flex;align-items:flex-end;gap:8px;height:96px}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px}
.bar i{display:block;width:100%;background:var(--sunk);border-radius:4px 4px 0 0}
.bar.today i{background:var(--accent)}
.bar span{font-size:11.5px;color:var(--ink-3)}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.kv label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--ink-2);min-width:0}
/* tools (shared) */
.row{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.panel{background:var(--sunk);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:10px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{border-radius:999px;padding:9px 14px;font-size:14px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.chip[aria-pressed="true"]{background:var(--btn);color:var(--btn-ink);box-shadow:none}
.quote{font-family:var(--serif);font-style:italic;font-size:19px;line-height:1.4}
.result{font-family:var(--serif);font-size:34px;line-height:1.1}
.tbl{display:flex;flex-direction:column;gap:8px}
.tbl .r{display:grid;gap:8px;align-items:center}
.x{height:50px;border-radius:12px;background:var(--sunk);color:var(--ink-3)}
.prompt{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:12.5px;background:var(--sunk);padding:14px;border-radius:12px;white-space:pre-wrap;user-select:all}
.timer{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.timer .clock{font-family:var(--serif);font-size:64px;line-height:1;letter-spacing:-.02em;min-width:150px}
.steps{display:flex;flex-direction:column;gap:6px}
.toolrow{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:16px 18px;background:var(--surface);border-radius:14px;box-shadow:var(--shadow);width:100%;text-align:left}
.toolgrid{display:flex;flex-direction:column;gap:8px}
.tabs{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:30;display:flex;gap:2px;padding:5px;border-radius:16px;background:var(--surface);box-shadow:0 12px 32px -12px rgba(0,0,0,.3),inset 0 0 0 1px var(--line)}
.tabs button{white-space:nowrap;height:44px;padding:0 16px;border-radius:12px;font-size:14px;font-weight:500;color:var(--ink-3)}
.tabs button[aria-current="page"]{background:var(--btn);color:var(--btn-ink)}
body.inflow .tabs{display:none}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
.toast{position:fixed;left:50%;bottom:calc(86px + env(safe-area-inset-bottom,0px));transform:translate(-50%,12px);opacity:0;background:var(--btn);color:var(--btn-ink);padding:12px 18px;border-radius:12px;font-size:14.5px;font-weight:500;z-index:50;transition:all .25s;pointer-events:none;max-width:calc(100% - 40px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
.levelup{position:fixed;inset:0;z-index:60;background:var(--bg);display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:40px max(28px,env(safe-area-inset-left,0px))}
.levelup .n{font-family:var(--serif);font-size:200px;line-height:.85;letter-spacing:-.04em;color:var(--accent);animation:rise .9s cubic-bezier(.16,1,.3,1) both}
@keyframes rise{from{opacity:0;transform:translateY(24px);filter:blur(8px)}to{opacity:1;transform:none;filter:none}}
.sync{font-size:12px;color:var(--ink-3);margin-top:30px}
.pageside{display:flex;justify-content:flex-start}
.dots{display:grid;grid-template-columns:repeat(14,1fr);gap:5px}.dots i{height:10px;border-radius:3px;background:var(--sunk)}.dots i.on{background:var(--accent)}.dots i.pre{background:transparent}.dots i.today{box-shadow:inset 0 0 0 1.5px var(--line)}.dots i.miss{background:transparent;box-shadow:inset 0 0 0 1.5px var(--ink-3)}
.done-mark.neutral{background:var(--sunk);color:var(--ink-2)}
.reh-count{display:grid;grid-template-columns:repeat(10,1fr);gap:4px}.reh-count i{height:4px;border-radius:2px;background:var(--sunk)}.reh-count i.on{background:var(--accent)}
.trow{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}.trow input{width:auto;border:0;background:transparent;font-family:var(--serif);font-size:22px;padding:4px 0;text-align:right}.trow input::-webkit-calendar-picker-indicator{display:none}
.sublabel{font-size:13px;font-weight:500;color:var(--ink-3);margin-top:8px}
details.fold{border-bottom:0}details.fold summary{padding:10px 0}
.recall{background:var(--surface);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}
@media (max-width:420px){.display{font-size:38px}.ptitle{font-size:34px}.pq{font-size:28px}.big{font-size:80px}.kv{grid-template-columns:1fr}.tabs button{padding:0 12px}.unit-card .uc-t{font-size:27px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}