/* Layout concept: a working notebook. Cool paper, ink type, a highlighter-yellow that marks
   progress (the 100-dot idea meter) and emphasis. Each IDEATE letter owns one color. */
:root {
  --paper: #f5f6f9;
  --surface: #ffffff;
  --sunk: #eceef3;
  --ink: #141a2e;
  --ink-2: #4b536b;
  --ink-3: #7a8199;
  --line: #dde1ea;
  --hi: #ffd84d;
  --hi-ink: #3b2f00;
  --good: #1f8a4c;
  --warn: #b7791f;
  --bad: #c2412d;
  --c-intro: #141a2e;
  --c-i: #d9502b;
  --c-d: #2479a8;
  --c-e1: #2f9a55;
  --c-a: #7c4fd0;
  --c-t: #d18a1c;
  --c-e2: #187375;
  --c-cap: #b8336a;
  --tint: 8%;
  --f-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --f-prose: "Literata", Georgia, "Times New Roman", serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --r: 10px;
  --shadow: 0 1px 2px rgba(20, 26, 46, .06), 0 4px 16px rgba(20, 26, 46, .06);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0e1120; --surface: #161a2c; --sunk: #1d2236; --ink: #e8ebf4; --ink-2: #a7aec4; --ink-3: #7c839c; --line: #2a3048;
    --hi: #ffd84d; --hi-ink: #2b2200; --good: #4cc27c; --warn: #e3a94a; --bad: #ff7a5c;
    --c-intro: #e8ebf4; --c-i: #ff7a52; --c-d: #4fb0e6; --c-e1: #5cc983; --c-a: #a98bf0; --c-t: #f0b04a; --c-e2: #3fb7b4; --c-cap: #ec6fa3;
    --tint: 14%; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.25); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0e1120; --surface: #161a2c; --sunk: #1d2236; --ink: #e8ebf4; --ink-2: #a7aec4; --ink-3: #7c839c; --line: #2a3048;
  --hi: #ffd84d; --hi-ink: #2b2200; --good: #4cc27c; --warn: #e3a94a; --bad: #ff7a5c;
  --c-intro: #e8ebf4; --c-i: #ff7a52; --c-d: #4fb0e6; --c-e1: #5cc983; --c-a: #a98bf0; --c-t: #f0b04a; --c-e2: #3fb7b4; --c-cap: #ec6fa3;
  --tint: 14%; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.25); color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--f-display); font-size: 15px; line-height: 1.5; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--surface); }
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.15; margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
:focus-visible { outline: 3px solid var(--hi); outline-offset: 2px; border-radius: 4px; }
.mod-intro { --mc: var(--c-intro); } .mod-i { --mc: var(--c-i); } .mod-d { --mc: var(--c-d); } .mod-e1 { --mc: var(--c-e1); }
.mod-a { --mc: var(--c-a); } .mod-t { --mc: var(--c-t); } .mod-e2 { --mc: var(--c-e2); } .mod-cap { --mc: var(--c-cap); }
mark, .hl { background: linear-gradient(100deg, transparent 2%, var(--hi) 4%, var(--hi) 96%, transparent 98%); color: var(--hi-ink); padding: 0 .15em; border-radius: 2px; }

/* ---------- buttons & inputs ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .45em; border: 1.5px solid var(--ink); background: var(--ink); color: var(--paper); padding: .6em 1.1em; border-radius: 999px; font-weight: 650; cursor: pointer; text-decoration: none; line-height: 1.2; transition: transform .12s ease, background .15s; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.hi { background: var(--hi); border-color: var(--hi); color: var(--hi-ink); }
.btn.sm { font-size: 13px; padding: .4em .85em; }
.btn.link { border: 0; background: none; color: var(--ink-2); padding: .3em .2em; text-decoration: underline; text-underline-offset: 3px; }
.btn.ai, .chip-ai { background: color-mix(in srgb, var(--c-a) var(--tint), var(--surface)); border-color: color-mix(in srgb, var(--c-a) 45%, transparent); color: var(--c-a); }
.chip-ai, .chip { display: inline-block; font-size: 12.5px; font-weight: 650; padding: .05em .55em; border-radius: 999px; border: 1px solid; font-family: var(--f-display); white-space: nowrap; }
.chip { border-color: var(--line); color: var(--ink-2); background: var(--sunk); }
label.field { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
label.field > span.hint { font-weight: 400; color: var(--ink-3); font-size: 13px; }
.input, textarea.input, select.input { width: 100%; border: 1.5px solid var(--line); background: var(--surface); border-radius: 8px; padding: .6em .75em; font-family: var(--f-display); font-size: 15px; transition: border-color .15s, box-shadow .15s; }
textarea.input { min-height: 84px; resize: vertical; line-height: 1.45; }
textarea.input.short { min-height: 56px; }
.input:focus { outline: none; border-color: var(--mc, var(--ink)); box-shadow: 0 0 0 3px color-mix(in srgb, var(--mc, var(--ink)) 18%, transparent); }
.input:disabled, textarea.input:disabled { background: var(--sunk); color: var(--ink); opacity: 1; -webkit-text-fill-color: var(--ink); }
.input::placeholder { color: var(--ink-3); }

/* ---------- top bar ---------- */
.topbar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar .in { display: flex; align-items: center; gap: 14px; height: 60px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); max-width: 1320px; margin: 0 auto; }
.logo { display: inline-flex; align-items: baseline; gap: 2px; font-weight: 800; font-size: 21px; letter-spacing: .04em; text-decoration: none; }
.logo span { display: inline-block; }
.logo .l-i { color: var(--c-i); } .logo .l-d { color: var(--c-d); } .logo .l-e1 { color: var(--c-e1); } .logo .l-a { color: var(--c-a); } .logo .l-t { color: var(--c-t); } .logo .l-e2 { color: var(--c-e2); }
.logo small { font-size: 12px; letter-spacing: .02em; font-weight: 600; color: var(--ink-3); margin-left: 6px; }
.topbar nav { display: flex; gap: 4px; margin-left: 12px; }
.topbar nav a { text-decoration: none; padding: .4em .75em; border-radius: 999px; font-weight: 600; color: var(--ink-2); font-size: 14px; }
.topbar nav a.on, .topbar nav a:hover { background: var(--sunk); color: var(--ink); }
.topbar .sp { flex: 1; }
.meter-mini { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.meter-mini .num { font-family: var(--f-mono); font-weight: 600; font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.dots { display: grid; grid-template-columns: repeat(10, 1fr); gap: 2px; }
.dots i { display: block; border-radius: 50%; background: var(--line); }
.dots i.on { background: var(--hi); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--hi-ink) 25%, transparent); }
.meter-mini .dots { width: 39px; gap: 1px; } .meter-mini .dots i { width: 3px; height: 3px; }
.usermenu { position: relative; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: var(--paper); display: grid; place-items: center; font-weight: 700; font-size: 13px; border: 0; cursor: pointer; }
.menu { position: absolute; right: 0; top: 44px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); min-width: 220px; padding: 6px; z-index: 70; }
.menu .who { padding: 8px 10px 10px; border-bottom: 1px solid var(--line); margin-bottom: 4px; font-size: 13px; color: var(--ink-3); }
.menu .who b { display: block; color: var(--ink); font-size: 14px; }
.menu button, .menu a { display: block; width: 100%; text-align: left; background: none; border: 0; padding: 8px 10px; border-radius: 6px; cursor: pointer; text-decoration: none; font-size: 14px; }
.menu button:hover, .menu a:hover { background: var(--sunk); }
.demo-banner { background: var(--hi); color: var(--hi-ink); font-size: 13px; text-align: center; padding: 6px max(16px, env(safe-area-inset-right, 0px)) 6px max(16px, env(safe-area-inset-left, 0px)); }
.demo-banner button { background: none; border: 0; text-decoration: underline; cursor: pointer; color: inherit; font-weight: 650; padding: 0 .2em; }

.wrap { max-width: 1320px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.narrow { max-width: 760px; margin: 0 auto; }

/* ---------- HOME ---------- */
.hero { padding-block: 56px 40px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; }
.eyebrow { font-size: 12.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.hero h1 { font-size: clamp(38px, 6vw, 70px); font-weight: 800; letter-spacing: -0.035em; line-height: .98; margin: 14px 0 18px; }
.hero p.sub { font-family: var(--f-prose); font-size: 19px; color: var(--ink-2); max-width: 34em; margin: 0 0 26px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero .ctas .note { color: var(--ink-3); font-size: 13.5px; }
.bigmeter { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px; box-shadow: var(--shadow); }
.bigmeter .dots { gap: 7px; }
.bigmeter .dots i { aspect-ratio: 1; width: 100%; transition: background .3s, transform .3s; }
.bigmeter .dots i.on { transform: scale(1.04); }
.bigmeter .dots i.star { background: var(--ink); box-shadow: 0 0 0 4px var(--hi); }
.bigmeter .cap { display: flex; justify-content: space-between; margin-top: 16px; font-size: 13px; color: var(--ink-3); font-family: var(--f-mono); }
.bigmeter .cap b { color: var(--ink); font-weight: 600; }
.section { padding-block: 56px; border-top: 1px solid var(--line); }
.section h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: -0.025em; margin-bottom: 10px; }
.section .intro { font-family: var(--f-prose); color: var(--ink-2); font-size: 17px; max-width: 40em; margin: 0 0 30px; }
.letters-row { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.lt { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 16px 16px; border-top: 5px solid var(--mc); min-width: 0; }
.lt .big { font-size: 44px; font-weight: 800; color: var(--mc); line-height: 1; }
.lt h3 { font-size: 17px; margin: 8px 0 6px; }
.lt p { margin: 0; font-size: 13.5px; color: var(--ink-2); }
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feat { padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; min-width: 0; }
.feat h3 { font-size: 18px; margin-bottom: 8px; }
.feat p { margin: 0; color: var(--ink-2); font-size: 14.5px; }
.feat .ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--sunk); margin-bottom: 14px; font-weight: 800; }
.roles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.role-card { padding: 26px; border-radius: 16px; border: 1px solid var(--line); background: var(--surface); }
.role-card.prof { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.role-card.prof p, .role-card.prof li { color: color-mix(in srgb, var(--paper) 80%, transparent); }
.role-card h3 { font-size: 22px; margin-bottom: 10px; }
.role-card ul { margin: 0 0 18px; padding-left: 1.1em; }
.role-card li { margin: 4px 0; }
.role-card.prof .btn { background: var(--hi); border-color: var(--hi); color: var(--hi-ink); }
.quote { font-family: var(--f-prose); font-size: clamp(20px, 2.6vw, 28px); line-height: 1.35; max-width: 30em; }
.quote cite { display: block; font-family: var(--f-display); font-style: normal; font-size: 14px; color: var(--ink-3); margin-top: 12px; }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { font-weight: 700; cursor: pointer; font-size: 16px; }
.faq p { color: var(--ink-2); margin: 8px 0 0; max-width: 46em; }
.footer { padding-block: 34px 50px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 13px; display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }

/* ---------- AUTH ---------- */
.auth { min-height: calc(100vh - 60px); display: grid; place-items: center; padding-block: 40px; }
.auth-card { width: 100%; max-width: 440px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 30px; box-shadow: var(--shadow); }
.auth-card h1 { font-size: 28px; font-weight: 800; margin-bottom: 6px; }
.auth-card .sub { color: var(--ink-2); margin: 0 0 22px; }
.auth-card form { display: grid; gap: 14px; }
.seg { display: grid; grid-template-columns: 1fr 1fr; background: var(--sunk); border-radius: 999px; padding: 4px; gap: 4px; }
.seg button { border: 0; background: none; border-radius: 999px; padding: .5em; font-weight: 650; cursor: pointer; color: var(--ink-2); }
.seg button.on { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.err { color: var(--bad); font-size: 14px; min-height: 1em; }
.demo-pick { margin-top: 20px; padding-top: 18px; border-top: 1px dashed var(--line); display: grid; gap: 8px; }
.demo-pick p { margin: 0; font-size: 13px; color: var(--ink-3); }
.demo-pick .row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- COURSE SHELL ---------- */
.shell { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: 0; max-width: 1320px; margin: 0 auto; }
.side { position: sticky; top: calc(60px + env(safe-area-inset-top, 0px)); height: calc(100vh - 60px - env(safe-area-inset-top, 0px)); overflow-y: auto; border-right: 1px solid var(--line); padding: 18px 14px 40px max(14px, env(safe-area-inset-left, 0px)); }
.side .modlink { display: flex; align-items: center; gap: 10px; padding: 8px 8px; border-radius: 8px; text-decoration: none; font-weight: 700; font-size: 14.5px; cursor: pointer; background: none; border: 0; width: 100%; text-align: left; }
.side .modlink:hover { background: var(--sunk); }
.side .modlink .lb { width: 28px; height: 28px; border-radius: 7px; background: var(--mc); color: var(--paper); display: grid; place-items: center; font-weight: 800; font-size: 14px; flex: none; }
.side .mod-intro .lb { background: var(--ink) !important; }
.side .modlink .pc { margin-left: auto; font-family: var(--f-mono); font-size: 11.5px; color: var(--ink-3); font-weight: 500; }
.side ol { list-style: none; margin: 2px 0 10px; padding: 0 0 0 22px; border-left: 2px solid color-mix(in srgb, var(--mc) 30%, transparent); margin-left: 21px; }
.side ol a { display: flex; gap: 8px; align-items: flex-start; padding: 5px 8px; border-radius: 6px; text-decoration: none; font-size: 13.5px; color: var(--ink-2); }
.side ol a:hover { background: var(--sunk); color: var(--ink); }
.side ol a.on { background: color-mix(in srgb, var(--mc) var(--tint), var(--surface)); color: var(--ink); font-weight: 650; }
.side ol a .ck { width: 15px; height: 15px; border-radius: 50%; border: 1.5px solid var(--line); flex: none; margin-top: 3px; display: grid; place-items: center; font-size: 9px; }
.side ol a .ck.done { background: var(--mc); border-color: var(--mc); color: var(--paper); }
.side .bankl { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.main { padding: 28px max(16px, env(safe-area-inset-right, 0px)) 80px 40px; min-width: 0; }
.sidetoggle { display: none; }

/* ---------- LESSON ---------- */
.lesson-head { margin-bottom: 26px; }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); font-weight: 600; flex-wrap: wrap; }
.crumb .lb { background: var(--mc); color: var(--paper); border-radius: 5px; padding: 1px 7px; font-weight: 800; }
.mod-intro .crumb .lb { background: var(--ink); }
.lesson-head h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.03em; margin: 10px 0 8px; }
.lesson-head .meta { color: var(--ink-3); font-size: 13.5px; display: flex; gap: 14px; flex-wrap: wrap; }
.progressbar { height: 4px; background: var(--line); border-radius: 4px; margin-top: 16px; overflow: hidden; }
.progressbar i { display: block; height: 100%; background: var(--mc); border-radius: 4px; }
.blocks { display: grid; gap: 22px; }
.prose { font-family: var(--f-prose); font-size: 17px; line-height: 1.68; color: var(--ink); max-width: 40em; }
.prose p { margin: 0 0 .9em; }
.prose p:last-child { margin-bottom: 0; }
.prose .lede { font-size: 21px; line-height: 1.45; font-weight: 500; }
.prose h3 { font-family: var(--f-display); font-size: 21px; margin: .4em 0 .5em; }
.prose b { font-weight: 650; }
.prose ol.steps, .prose ul.steps { padding-left: 1.2em; margin: 0 0 1em; }
.prose ol.steps li, .prose ul.steps li { margin: .35em 0; }
.prose blockquote { margin: 0; padding: 14px 18px; border-left: 4px solid var(--mc); background: var(--surface); border-radius: 0 8px 8px 0; font-size: 16px; }
.callout { display: flex; gap: 12px; padding: 16px 18px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); font-size: 15px; max-width: 46em; }
.callout .ci { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 13px; }
.callout.key { background: color-mix(in srgb, var(--hi) 22%, var(--surface)); border-color: color-mix(in srgb, var(--hi) 70%, var(--line)); }
.callout.key .ci { background: var(--hi); color: var(--hi-ink); }
.callout.info .ci { background: var(--sunk); }
.callout.think { border-left: 4px solid var(--mc); }
.callout.think .ci { background: color-mix(in srgb, var(--mc) 18%, var(--surface)); color: var(--mc); }
.case { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; max-width: 46em; position: relative; }
.case .tag { font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--mc); }
.case h3 { font-size: 20px; margin: 4px 0 8px; }
.case .body { font-family: var(--f-prose); font-size: 16px; line-height: 1.62; color: var(--ink-2); }
.case .body p { margin: 0 0 .6em; } .case .body p:last-child { margin: 0; }
.note { font-size: 12.5px; color: var(--ink-3); }
.feedback { background: color-mix(in srgb, var(--c-a) var(--tint), var(--surface)); border: 1px solid color-mix(in srgb, var(--c-a) 35%, var(--line)); border-radius: 12px; padding: 14px 18px; margin-bottom: 22px; }
.feedback .who { font-size: 12.5px; font-weight: 700; color: var(--c-a); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }
.lesson-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.savestate { font-size: 12.5px; color: var(--ink-3); font-family: var(--f-mono); }

/* ---------- interactive panels ---------- */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 20px; min-width: 0; }
.panel > h3, .panel-h { font-size: 17px; margin-bottom: 4px; }
.panel .sub { color: var(--ink-3); font-size: 13.5px; margin: 0 0 14px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.kicker { font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }

/* quiz */
.quiz .q { padding: 16px 0; border-top: 1px solid var(--line); }
.quiz .q:first-of-type { border-top: 0; padding-top: 4px; }
.quiz .q p { margin: 0 0 10px; font-weight: 650; }
.opts { display: grid; gap: 8px; }
.opt { text-align: left; border: 1.5px solid var(--line); background: var(--paper); padding: .6em .85em; border-radius: 8px; cursor: pointer; font-size: 14.5px; display: flex; gap: 10px; align-items: flex-start; }
.opt:hover:not(:disabled) { border-color: var(--ink-3); }
.opt .k { font-family: var(--f-mono); font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.opt.right { border-color: var(--good); background: color-mix(in srgb, var(--good) 12%, var(--surface)); }
.opt.wrong { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 10%, var(--surface)); }
.opt:disabled { cursor: default; }
.explain { margin-top: 10px; font-size: 14px; color: var(--ink-2); padding: 10px 12px; background: var(--sunk); border-radius: 8px; }
.explain b.ok { color: var(--good); } .explain b.no { color: var(--bad); }
.scoreline { margin-top: 10px; font-family: var(--f-mono); font-size: 13px; color: var(--ink-2); }

/* sort */
.sortlist { display: grid; gap: 10px; }
.sortitem { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: var(--paper); }
.sortitem .bins { display: flex; gap: 6px; }
.sortitem .bins button { border: 1.5px solid var(--line); background: var(--surface); border-radius: 999px; padding: .35em .8em; cursor: pointer; font-weight: 650; font-size: 13px; }
.sortitem.right { border-color: var(--good); } .sortitem.wrong { border-color: var(--bad); }
.sortitem .bins button.pick.ok { background: var(--good); border-color: var(--good); color: #fff; }
.sortitem .bins button.pick.no { background: var(--bad); border-color: var(--bad); color: #fff; }
.sortitem .why { grid-column: 1 / -1; font-size: 13.5px; color: var(--ink-2); }

/* letters */
.letters { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.letters button { border: 1.5px solid var(--line); background: var(--surface); border-radius: 12px; padding: 14px 6px 10px; cursor: pointer; display: grid; gap: 2px; justify-items: center; }
.letters button .big { font-size: 32px; font-weight: 800; color: var(--mc); line-height: 1; }
.letters button small { font-size: 11.5px; color: var(--ink-3); font-weight: 650; }
.letters button.on { border-color: var(--mc); background: color-mix(in srgb, var(--mc) var(--tint), var(--surface)); }
.letter-detail { margin-top: 12px; padding: 16px 18px; border-radius: 12px; border-left: 4px solid var(--mc); background: var(--paper); }
.letter-detail ul { margin: 6px 0 0; padding-left: 1.1em; }

/* score calc */
.calc { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; }
.sliders { display: grid; gap: 14px; }
.sl { display: grid; grid-template-columns: 120px minmax(0, 1fr) 28px; align-items: center; gap: 10px; font-weight: 650; font-size: 14px; }
.sl output { font-family: var(--f-mono); text-align: right; }
input[type=range] { width: 100%; accent-color: var(--mc, var(--ink)); }
.total { text-align: center; min-width: 130px; }
.total .n { font-size: 64px; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -0.04em; }
.total .f { font-family: var(--f-mono); font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }

/* 1-5 pickers */
.pick5 { display: inline-flex; border: 1.5px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--paper); }
.pick5 button { border: 0; background: none; width: 30px; height: 30px; font-family: var(--f-mono); font-size: 13px; cursor: pointer; color: var(--ink-2); border-right: 1px solid var(--line); padding: 0; }
.pick5 button:last-child { border-right: 0; }
.pick5 button.on { background: var(--mc, var(--ink)); color: var(--paper); font-weight: 700; }
.pick5 button:disabled { cursor: default; }
.pick5.wide button { width: 34px; height: 34px; }

/* ideas */
.ideas-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: space-between; margin-bottom: 12px; }
.ideas-toolbar .count { font-family: var(--f-mono); font-size: 13px; color: var(--ink-2); }
.pager { display: flex; gap: 4px; flex-wrap: wrap; }
.pager button { border: 1.5px solid var(--line); background: var(--surface); border-radius: 6px; padding: .25em .6em; font-family: var(--f-mono); font-size: 12.5px; cursor: pointer; }
.pager button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.idea { border: 1.5px solid var(--line); border-radius: 12px; background: var(--surface); margin-bottom: 12px; overflow: hidden; }
.idea.filled { border-color: color-mix(in srgb, var(--mc) 35%, var(--line)); }
.idea-top { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; gap: 12px; align-items: start; padding: 14px 16px 6px; }
.idea .no { font-family: var(--f-mono); font-size: 13px; color: var(--ink-3); padding-top: 9px; }
.idea .fields { display: grid; gap: 8px; min-width: 0; }
.idea .scorebox { text-align: center; min-width: 74px; }
.idea .scorebox .n { font-size: 30px; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.idea .scorebox .n.empty { color: var(--line); }
.idea .rank { display: inline-block; margin-top: 6px; font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--sunk); color: var(--ink-2); }
.idea .rank.r1 { background: var(--hi); color: var(--hi-ink); }
.idea-bottom { display: flex; align-items: center; gap: 14px 18px; flex-wrap: wrap; padding: 8px 16px 14px 68px; }
.idea-bottom .lbl { font-size: 12px; font-weight: 700; color: var(--ink-3); letter-spacing: .04em; text-transform: uppercase; margin-right: 6px; }
.idea-bottom .grp { display: inline-flex; align-items: center; }
.idea-bottom .tools { margin-left: auto; display: flex; gap: 6px; }
.idea .coach { margin: 0 16px 14px 68px; }
.idea select.input { width: auto; padding: .3em .5em; font-size: 13.5px; }
.ranking { margin-top: 18px; }
.rankrow { display: grid; grid-template-columns: 34px minmax(0, 1fr) 52px; gap: 10px; align-items: center; padding: 8px 4px; border-bottom: 1px solid var(--line); font-size: 14px; }
.rankrow .r { font-family: var(--f-mono); color: var(--ink-3); }
.rankrow .s { font-family: var(--f-mono); font-weight: 600; text-align: right; }
.rankrow .t { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar { height: 6px; border-radius: 6px; background: var(--sunk); overflow: hidden; margin-top: 4px; }
.bar i { display: block; height: 100%; background: var(--mc); }

/* AI output */
.aibox { border: 1px solid color-mix(in srgb, var(--c-a) 40%, var(--line)); background: color-mix(in srgb, var(--c-a) 6%, var(--surface)); border-radius: 10px; padding: 12px 14px; font-size: 14px; }
.aibox .h { font-size: 11.5px; font-weight: 700; color: var(--c-a); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 6px; display: flex; justify-content: space-between; gap: 8px; }
.aibox .h button { background: none; border: 0; color: var(--ink-3); cursor: pointer; font-size: 12px; }
.aibox p { margin: 0 0 .5em; } .aibox p:last-child { margin: 0; }
.aibox ul { margin: 4px 0 6px; padding-left: 1.1em; }
.aibox .flag { display: flex; gap: 8px; align-items: baseline; margin: 4px 0; }
.sev { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 999px; text-transform: uppercase; letter-spacing: .05em; flex: none; }
.sev.high { background: color-mix(in srgb, var(--bad) 18%, transparent); color: var(--bad); }
.sev.medium { background: color-mix(in srgb, var(--warn) 20%, transparent); color: var(--warn); }
.sev.low { background: color-mix(in srgb, var(--good) 16%, transparent); color: var(--good); }
.thinking { color: var(--ink-3); font-style: italic; }
.thinking::after { content: "…"; animation: dots 1.2s steps(4) infinite; }
@keyframes dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }

/* root cause tree */
.tree { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1fr) minmax(0, 1fr); gap: 0 16px; align-items: center; }
.tree .sym { grid-row: 1 / 4; background: var(--ink); color: var(--paper); border-radius: 12px; padding: 16px; font-weight: 650; position: relative; }
.tree .sym small { display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; opacity: .7; margin-bottom: 4px; }
.tree .cause, .tree .sol { border-radius: 10px; padding: 10px 12px; font-size: 14px; margin: 6px 0; position: relative; }
.tree .cause { background: color-mix(in srgb, var(--mc) var(--tint), var(--surface)); border: 1.5px solid color-mix(in srgb, var(--mc) 40%, var(--line)); }
.tree .sol { background: var(--surface); border: 1.5px dashed var(--line); }
.tree .cause::before { content: ""; position: absolute; left: -17px; top: 50%; width: 16px; border-top: 2px solid color-mix(in srgb, var(--mc) 45%, var(--line)); }
.tree .sol::before { content: "→"; position: absolute; left: -15px; top: 50%; transform: translateY(-52%); color: var(--ink-3); font-size: 13px; }
.tree .lab { font-size: 10.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); display: block; margin-bottom: 2px; }
.rc-rows { display: grid; gap: 12px; }
.rc-row { display: grid; grid-template-columns: 34px minmax(0, 1fr) minmax(0, 1fr); gap: 10px; align-items: start; }
.rc-row .n { width: 30px; height: 30px; border-radius: 50%; background: var(--mc); color: var(--paper); display: grid; place-items: center; font-weight: 800; font-size: 13px; margin-top: 4px; }
.rc-row .col { display: grid; gap: 6px; min-width: 0; }
.symptom { padding: 14px 16px; border-radius: 10px; background: var(--ink); color: var(--paper); font-weight: 650; margin-bottom: 14px; }
.symptom small { display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; opacity: .7; }

/* flags */
.flaggrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.flagcard { border: 1.5px solid var(--line); border-radius: 12px; background: var(--surface); padding: 14px; text-align: left; cursor: pointer; min-height: 112px; display: grid; align-content: start; gap: 6px; }
.flagcard .fi { font-weight: 800; color: var(--c-i); font-size: 13px; letter-spacing: .06em; }
.flagcard b { font-size: 15px; }
.flagcard p { margin: 0; font-size: 13.5px; color: var(--ink-2); }
.flagcard.open { border-color: var(--c-i); background: color-mix(in srgb, var(--c-i) 6%, var(--surface)); }

/* niche meter */
.niche .scale { display: grid; gap: 8px; margin-top: 14px; }
.niche .lane { display: grid; grid-template-columns: 170px minmax(0, 1fr) 90px; gap: 10px; align-items: center; font-size: 13.5px; }
.niche .lane .b { height: 12px; background: var(--sunk); border-radius: 6px; overflow: hidden; }
.niche .lane .b i { display: block; height: 100%; background: var(--ink-3); border-radius: 6px; }
.niche .lane.you .b i { background: var(--mc); }
.niche .lane.you { font-weight: 700; }
.niche .lane .v { font-family: var(--f-mono); font-size: 12.5px; text-align: right; color: var(--ink-2); }
.verdict { margin-top: 14px; padding: 10px 12px; border-radius: 8px; font-size: 14px; font-weight: 600; }
.verdict.bad { background: color-mix(in srgb, var(--bad) 12%, var(--surface)); color: var(--bad); }
.verdict.mid { background: color-mix(in srgb, var(--warn) 14%, var(--surface)); color: var(--warn); }
.verdict.good { background: color-mix(in srgb, var(--good) 12%, var(--surface)); color: var(--good); }

/* generic table-as-cards */
.tcards { display: grid; gap: 12px; }
.tcard { border: 1.5px solid var(--line); border-radius: 12px; padding: 14px; background: var(--paper); }
.tcard .tc-h { font-weight: 700; font-size: 14px; margin-bottom: 10px; display: flex; gap: 8px; align-items: center; }
.tcard .tc-h .n { width: 24px; height: 24px; border-radius: 6px; background: var(--mc); color: var(--paper); display: grid; place-items: center; font-size: 12px; }
.tcard .tc-g { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.tcard .given { font-weight: 650; padding: 8px 10px; background: var(--surface); border-radius: 8px; border: 1px solid var(--line); margin-bottom: 10px; }

/* tabs */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tabs button { border: 1.5px solid var(--line); background: var(--surface); border-radius: 999px; padding: .4em .9em; font-weight: 650; font-size: 13.5px; cursor: pointer; color: var(--ink-2); display: inline-flex; gap: 6px; align-items: center; }
.tabs button.on { background: var(--mc); border-color: var(--mc); color: var(--paper); }
.tabs button .c { font-family: var(--f-mono); font-size: 11px; opacity: .8; }

/* change cards */
.change { border: 1.5px solid var(--line); border-radius: 12px; background: var(--paper); margin-bottom: 14px; overflow: hidden; }
.change-h { padding: 12px 14px; background: var(--surface); border-bottom: 1px solid var(--line); display: flex; gap: 10px; align-items: flex-start; }
.change-h .n { font-family: var(--f-mono); font-size: 12px; color: var(--mc); font-weight: 700; padding-top: 3px; }
.change-h .t { font-weight: 700; flex: 1; min-width: 0; }
.pairs { padding: 12px 14px; display: grid; gap: 8px; }
.pair { display: grid; grid-template-columns: minmax(0, 1fr) 18px minmax(0, 1fr) auto; gap: 8px; align-items: start; }
.pair .arrow { color: var(--ink-3); padding-top: 9px; text-align: center; }
.pairs .heads { display: grid; grid-template-columns: minmax(0, 1fr) 18px minmax(0, 1fr) auto; gap: 8px; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.seedbtn { border: 1.5px solid var(--line); background: var(--surface); border-radius: 999px; padding: .3em .6em; font-size: 12px; font-weight: 700; cursor: pointer; margin-top: 4px; white-space: nowrap; }
.seedbtn:hover { border-color: var(--mc); color: var(--mc); }
.seedbtn.sent { background: var(--mc); border-color: var(--mc); color: var(--paper); }
.sugg { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 2px; }
.sugg button { border: 1px dashed var(--ink-3); background: none; border-radius: 999px; padding: .2em .7em; font-size: 12.5px; cursor: pointer; color: var(--ink-2); }
.sugg button:hover { border-style: solid; color: var(--ink); }

/* four types grid / sources */
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.tile { border: 1px solid var(--line); background: var(--surface); border-radius: 12px; padding: 16px; min-width: 0; }
.tile .kicker { color: var(--mc); }
.tile h4 { font-size: 16px; margin: 4px 0 6px; }
.tile p { margin: 0; font-size: 14px; color: var(--ink-2); }
.tile .ex { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--ink-3); }

/* stool */
.stool { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 22px; align-items: center; }
.stool svg { width: 100%; height: auto; max-width: 260px; }
.stool .legs { display: grid; gap: 10px; }
.stool-status { text-align: center; font-weight: 700; margin-top: 6px; font-size: 14px; }
.stool-svg .seat { transition: transform .5s cubic-bezier(.3,1.6,.5,1); transform-origin: 130px 70px; }

/* roles */
.roles3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.roles3 .rl { font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 4px; display: block; }
.rl.u { color: var(--c-d); } .rl.p { color: var(--c-e1); } .rl.f { color: var(--c-a); }

/* chat */
.chat { display: grid; gap: 10px; max-height: 460px; overflow-y: auto; padding: 4px; margin: 10px 0; }
.msg { max-width: 82%; padding: 10px 13px; border-radius: 14px; font-size: 14.5px; white-space: pre-wrap; }
.msg.me { justify-self: end; background: var(--ink); color: var(--paper); border-bottom-right-radius: 4px; }
.msg.them { justify-self: start; background: var(--sunk); border-bottom-left-radius: 4px; }
.msg.them .who { font-size: 11.5px; font-weight: 700; color: var(--mc); display: block; margin-bottom: 2px; }
.chatbar { display: flex; gap: 8px; }
.chatbar .input { flex: 1; }
.qchips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.qchips button { border: 1px solid var(--line); background: var(--paper); border-radius: 999px; font-size: 12.5px; padding: .3em .7em; cursor: pointer; }

/* persona card */
.persona { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.pcard { border-radius: 14px; background: var(--ink); color: var(--paper); padding: 20px; display: grid; gap: 10px; align-content: start; }
.pcard .face { width: 56px; height: 56px; border-radius: 50%; background: var(--hi); color: var(--hi-ink); display: grid; place-items: center; font-weight: 800; font-size: 22px; }
.pcard h4 { font-size: 20px; }
.pcard .meta { font-size: 13px; opacity: .75; }
.pcard .q { font-family: var(--f-prose); font-style: italic; font-size: 15px; border-left: 3px solid var(--hi); padding-left: 10px; }
.pcard dl { margin: 0; display: grid; gap: 8px; }
.pcard dt { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; opacity: .6; }
.pcard dd { margin: 0; font-size: 14px; }

/* evaluate tables */
.evrow { border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px; background: var(--paper); margin-bottom: 10px; }
.evrow.dropped { opacity: .55; }
.evrow .t { font-weight: 650; display: flex; gap: 10px; justify-content: space-between; align-items: baseline; }
.evrow .t .sc { font-family: var(--f-mono); font-size: 12.5px; color: var(--ink-3); white-space: nowrap; }
.evgrid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.evcell { display: grid; gap: 4px; justify-items: center; }
.evcell .L { font-weight: 800; font-size: 16px; }
.evcell select { width: 100%; text-align: center; }
.evtotal { font-size: 26px; font-weight: 800; font-variant-numeric: tabular-nums; }
.verdicts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.verdicts button { border: 1.5px solid var(--line); background: var(--surface); border-radius: 999px; padding: .3em .75em; font-size: 12.5px; font-weight: 650; cursor: pointer; }
.verdicts button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.qhelp { font-size: 13px; color: var(--ink-2); }
.qhelp details { border-top: 1px solid var(--line); padding: 6px 0; }
.qhelp summary { cursor: pointer; font-weight: 650; }
.qhelp ul { margin: 4px 0; padding-left: 1.1em; }
.radarwrap { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 16px; align-items: center; }
.radar text { font-size: 11px; font-weight: 700; fill: var(--ink-2); font-family: var(--f-display); }

/* concept */
.concept-out { font-family: var(--f-prose); font-size: 17px; line-height: 1.55; padding: 14px 16px; background: var(--paper); border-radius: 10px; border: 1px solid var(--line); margin-top: 10px; }
.concept-out .blank { color: var(--ink-3); border-bottom: 1.5px dashed var(--ink-3); }
.concept-out u { text-decoration: none; background: color-mix(in srgb, var(--hi) 45%, transparent); padding: 0 .1em; }

/* idea board */
.board { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 10px; }
.bcell { background: var(--surface); border: 1.5px solid var(--line); border-radius: 12px; padding: 12px; display: grid; gap: 6px; align-content: start; min-width: 0; }
.bcell .bl { font-size: 11.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--mc); }
.bcell .bh { font-size: 12.5px; color: var(--ink-3); }
.bcell textarea.input { min-height: 70px; font-size: 14px; }
.c4 { grid-column: span 4; } .c5 { grid-column: span 5; } .c6 { grid-column: span 6; } .c7 { grid-column: span 7; } .c8 { grid-column: span 8; } .c12 { grid-column: span 12; } .c3 { grid-column: span 3; }
.bcell.name input { font-size: 22px; font-weight: 800; }
.visual { border: 2px dashed var(--line); border-radius: 10px; min-height: 160px; display: grid; place-items: center; text-align: center; color: var(--ink-3); font-size: 13px; overflow: hidden; position: relative; }
.visual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.happy { display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 4px; }
.happy button { aspect-ratio: 1; border: 1.5px solid var(--line); border-radius: 6px; background: var(--paper); font-family: var(--f-mono); font-size: 12px; cursor: pointer; padding: 0; }
.happy button.on { background: var(--hi); border-color: var(--hi); color: var(--hi-ink); font-weight: 700; }
.happy-face { font-size: 13px; color: var(--ink-2); }

/* checks */
.finalist { border: 1.5px solid var(--line); border-radius: 12px; padding: 14px; background: var(--paper); margin-bottom: 12px; }
.finalist.win { border-color: var(--hi); box-shadow: 0 0 0 3px color-mix(in srgb, var(--hi) 55%, transparent); }
.finalist .ft { display: flex; gap: 10px; align-items: baseline; justify-content: space-between; font-weight: 700; flex-wrap: wrap; }
.checkrow { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 10px; align-items: start; margin-top: 10px; font-size: 14px; }
.checkrow > b { padding-top: 6px; }

/* bank & dashboard */
.dash-hero { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: center; margin-bottom: 26px; }
.dash-hero h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.03em; }
.dash-hero p { color: var(--ink-2); margin: 6px 0 16px; }
.modgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.modcard { text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; display: grid; gap: 8px; border-top: 4px solid var(--mc); }
.modcard:hover { box-shadow: var(--shadow); }
.modcard .top { display: flex; align-items: center; gap: 10px; }
.modcard .lb { font-size: 28px; font-weight: 800; color: var(--mc); line-height: 1; width: 30px; }
.mod-intro .modcard .lb, .modcard.mod-intro .lb { color: var(--ink); }
.modcard h3 { font-size: 16px; }
.modcard p { margin: 0; font-size: 13px; color: var(--ink-3); }
.modcard .bar i { background: var(--mc); }
.modcard .st { font-family: var(--f-mono); font-size: 12px; color: var(--ink-3); }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th { text-align: left; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); padding: 8px 10px; border-bottom: 1.5px solid var(--line); white-space: nowrap; cursor: pointer; user-select: none; }
table.data td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data tr.click { cursor: pointer; }
table.data tr.click:hover td { background: var(--sunk); }
table.data td.num { font-family: var(--f-mono); text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.scroll-x { overflow-x: auto; }
.pill { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--sunk); color: var(--ink-2); white-space: nowrap; }
.pill.lens { color: var(--paper); background: var(--mc); }
.progdots { display: flex; gap: 3px; }
.progdots i { width: 18px; height: 18px; border-radius: 4px; display: grid; place-items: center; font-style: normal; font-size: 10px; font-weight: 800; background: var(--sunk); color: var(--ink-3); }
.progdots i.part { background: color-mix(in srgb, var(--mc) 30%, var(--surface)); color: var(--ink); }
.progdots i.full { background: var(--mc); color: var(--paper); }
.statrow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.stat .n { font-size: 28px; font-weight: 800; font-variant-numeric: tabular-nums; }
.stat .l { font-size: 12.5px; color: var(--ink-3); }
.codebox { font-family: var(--f-mono); font-size: 22px; font-weight: 600; letter-spacing: .15em; background: var(--hi); color: var(--hi-ink); padding: 4px 12px; border-radius: 8px; display: inline-block; user-select: all; }
.empty { padding: 28px; text-align: center; color: var(--ink-3); border: 1.5px dashed var(--line); border-radius: 12px; }
.ro-banner { background: var(--ink); color: var(--paper); padding: 12px 16px; border-radius: 12px; display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-bottom: 20px; }
.ro-banner .btn { background: var(--hi); color: var(--hi-ink); border-color: var(--hi); }
.ro-banner .btn.sidetoggle { background: transparent; color: var(--paper); border-color: var(--paper); }
.fbbox { margin-top: 30px; padding: 18px; border: 1.5px solid color-mix(in srgb, var(--c-a) 40%, var(--line)); border-radius: 12px; background: color-mix(in srgb, var(--c-a) 5%, var(--surface)); }
.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 999px; font-weight: 600; font-size: 14px; z-index: 100; box-shadow: var(--shadow); max-width: calc(100vw - 32px); }
.checklist label { display: flex; gap: 10px; align-items: flex-start; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; cursor: pointer; }
.checklist input { margin-top: 4px; accent-color: var(--mc); width: 17px; height: 17px; flex: none; }
.loglist { display: grid; gap: 6px; margin-top: 12px; }
.logitem { display: grid; grid-template-columns: 80px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 8px 10px; background: var(--paper); border-radius: 8px; font-size: 14px; }
.logitem .d { font-family: var(--f-mono); font-size: 11.5px; color: var(--ink-3); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.mt { margin-top: 12px; } .mt2 { margin-top: 20px; }
.muted { color: var(--ink-3); }
.big100 { font-size: 13px; font-family: var(--f-mono); }

@media (max-width: 1000px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .side { position: fixed; left: 0; top: calc(60px + env(safe-area-inset-top, 0px)); bottom: 0; height: auto; width: min(320px, 88vw); background: var(--surface); z-index: 40; transform: translateX(-100%); transition: transform .25s; box-shadow: var(--shadow); }
  .side.open { transform: none; }
  .main { padding: 20px max(16px, env(safe-area-inset-right, 0px)) 70px max(16px, env(safe-area-inset-left, 0px)); }
  .sidetoggle { display: inline-flex; }
  .topbar nav { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 30px; padding-block: 36px 30px; }
  .letters-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .features { grid-template-columns: minmax(0, 1fr); }
  .dash-hero { grid-template-columns: minmax(0, 1fr); }
  .statrow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  body { font-size: 15px; }
  .roles, .grid2, .grid3, .persona, .stool, .roles3 { grid-template-columns: minmax(0, 1fr); }
  .letters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .calc { grid-template-columns: minmax(0, 1fr); }
  .sl { grid-template-columns: 96px minmax(0, 1fr) 24px; }
  .tree { grid-template-columns: minmax(0, 1fr); }
  .tree .sym { grid-row: auto; }
  .tree .cause::before, .tree .sol::before { display: none; }
  .tree .sol { margin-left: 18px; }
  .rc-row { grid-template-columns: 30px minmax(0, 1fr); }
  .rc-row .col:last-child { grid-column: 2; }
  .idea-top { grid-template-columns: minmax(0, 1fr) auto; }
  .idea .no { display: none; }
  .idea-bottom, .idea .coach { padding-left: 16px; margin-left: 16px; }
  .idea-bottom { padding-left: 16px; }
  .idea .coach { margin-left: 16px; }
  .pair, .pairs .heads { grid-template-columns: minmax(0, 1fr); }
  .pair .arrow, .pairs .heads { display: none; }
  .niche .lane { grid-template-columns: minmax(0, 1fr) 76px; }
  .niche .lane .b { grid-column: 1 / -1; grid-row: 2; }
  .evgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .board > * { grid-column: span 12 !important; }
  .radarwrap { grid-template-columns: minmax(0, 1fr); }
  .checkrow { grid-template-columns: minmax(0, 1fr); }
  .logitem { grid-template-columns: minmax(0, 1fr) auto; }
  .logitem .d { display: none; }
  .meter-mini .num { display: none; }
  .logo small { display: none; }
  .sortitem { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }