/* HireCheck stylesheet. Plain CSS, no external fonts or assets.

   Tokens
   - Colour: white base, light grey surfaces, near-black slate text,
     ONE accent (blue #2563eb). Red/green appear only where they mean
     test failure/success (terminal output, .msg.err / .msg.ok).
   - Type: system sans for body and headings, system monospace for code
     and UI labels. Scale ~1.25.
   - Space: 4px base (--s-1 .. --s-9).

   WCAG AA contrast (relative luminance, sRGB):
     ink   #111827 on paper #ffffff ........ 17.7:1
     ink-2 #3d4654 on paper ................. 9.5:1
     ink-2 on surface #f6f8fa ............... 9.0:1
     ink-2 on code bg #eef1f4 ............... 8.4:1
     accent #2563eb on paper (links) ........ 5.2:1
     white on accent (buttons) .............. 5.2:1
     white on accent-hover #1d4ed8 ......... 6.7:1
     rule  #7d8590 on paper / surface ...... 3.7:1 / 3.5:1 (non-text, 3:1)
     input border ink-2 on white ............ 9.5:1 (non-text, needs 3:1)
     term-fg  #e8e4d8 on term #1c1b18 ...... 13.5:1
     term-dim #a8a397 on term ............... 6.8:1
     term-fail #ff8b7e on term .............. 7.6:1
     term-pass #8fd99a on term ............. 10.3:1
     fail #a8231a on fail-bg #f8e3df ........ 5.8:1
     pass #1d6b35 on pass-bg #e1efe3 ........ 5.5:1
*/

:root {
  /* colour */
  --paper: #ffffff;
  --surface: #f6f8fa;
  --code-bg: #eef1f4;
  --ink: #111827;
  --ink-2: #3d4654;
  --rule: #7d8590;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --on-accent: #ffffff;
  --term: #1c1b18;
  --term-rule: #3a3833;
  --term-fg: #e8e4d8;
  --term-dim: #a8a397;
  --term-fail: #ff8b7e;
  --term-pass: #8fd99a;
  --fail: #a8231a;
  --fail-bg: #f8e3df;
  --pass: #1d6b35;
  --pass-bg: #e1efe3;
  --focus: #2563eb;

  /* type */
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "URW Palladio L", P052, Georgia, serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", "Cascadia Code", Menlo, Consolas, "Liberation Mono", monospace;
  --fs-xs: .8125rem;   /* 13 */
  --fs-sm: .875rem;    /* 14 */
  --fs-base: 1.0625rem;/* 17 */
  --fs-md: 1.25rem;    /* 20 */
  --fs-lg: 1.5625rem;  /* 25 */
  --fs-xl: clamp(1.75rem, 1.4rem + 1.4vw, 2.25rem);  /* 28-36 */
  --fs-2xl: clamp(2.25rem, 1.45rem + 3.2vw, 3.75rem);/* 36-60 */

  /* space */
  --s-1: .25rem; --s-2: .5rem; --s-3: .75rem; --s-4: 1rem; --s-5: 1.5rem;
  --s-6: 2rem; --s-7: 3rem; --s-8: 4rem; --s-9: 6rem;

  --radius: 3px;
  --maxw: 74rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 var(--fs-base)/1.6 var(--font-sans);
}
h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 0 0 var(--s-4);
  text-wrap: balance;
}
h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-md); }
p { margin: 0 0 var(--s-4); }
ul, ol { margin: 0 0 var(--s-4); }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--accent-hover); text-decoration-thickness: 2px; }
code {
  font-family: var(--font-mono);
  font-size: .86em;
  background: var(--code-bg);
  padding: .08em .3em;
  border-radius: 2px;
}
b, strong { font-weight: 700; }
.muted, .note { color: var(--ink-2); }
.note { font-size: var(--fs-sm); }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 2px; }
.btn:focus-visible { outline-color: var(--ink); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: var(--s-4); top: -10rem; z-index: 50;
  background: var(--ink); color: var(--paper);
  padding: var(--s-2) var(--s-4); font-weight: 600;
}
.skip:focus { top: var(--s-4); color: var(--paper); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

/* ---------- header / footer ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .8);
  -webkit-backdrop-filter: saturate(1.4) blur(16px);
  backdrop-filter: saturate(1.4) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(255, 255, 255, .92);
  border-bottom-color: rgba(17, 24, 39, .08);
  box-shadow: 0 1px 0 rgba(17, 24, 39, .03), 0 10px 28px -16px rgba(17, 24, 39, .18);
}
@media (prefers-reduced-motion: reduce) {
  .site-header { transition: none; -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--paper); }
}

.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--s-5); min-height: 4.75rem; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font: 700 1.375rem/1 var(--font-sans);
  letter-spacing: -.02em;
  color: var(--ink);
  text-decoration: none;
  padding: .25rem 0;
}
.brand:hover { color: var(--ink); text-decoration: none; }
.brand-mark { display: block; flex: none; width: 1.875rem; height: 1.875rem; color: var(--accent); }
.brand-name { font-weight: 700; }

.nav-panel { display: flex; align-items: center; gap: var(--s-6); margin-left: auto; }
.nav-links {
  display: flex; align-items: center; gap: 2.25rem;
  list-style: none; margin: 0; padding: 0;
  font: 500 var(--fs-base)/1.4 var(--font-sans);
}
.nav-links a {
  display: inline-block; padding: .5rem 0;
  color: var(--ink-2); text-decoration: none;
}
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 600; }

.nav-actions { display: flex; align-items: center; gap: 1.5rem; }
.nav-login {
  font: 500 var(--fs-base)/1.4 var(--font-sans);
  color: var(--ink-2); text-decoration: none;
  padding: .5rem .15rem;
}
.nav-login:hover { color: var(--ink); text-decoration: none; }
.nav-login[aria-current="page"] { color: var(--ink); font-weight: 600; }
.btn.nav-cta { white-space: nowrap; min-height: 2.75rem; padding: .55rem 1.25rem; font-size: 1rem; border-radius: 6px; }

.nav-toggle {
  display: none;
  align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem;
  margin-right: -.4rem; padding: 0;
  border: 0; border-radius: 6px;
  background: transparent; color: var(--ink);
  cursor: pointer;
}
.nav-toggle:hover { background: var(--surface); }
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block; width: 1.15rem; height: 2px;
  background: currentColor; border-radius: 1px;
  position: relative; transition: transform .2s ease, opacity .2s ease, top .2s ease;
}
.nav-toggle-bars::before, .nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 40rem) {
  .nav-toggle { display: inline-flex; }
  .nav-panel {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch;
    gap: 0;
    margin: 0;
    padding: var(--s-2) var(--gutter) var(--s-5);
    background: var(--paper);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    border-bottom: 1px solid rgba(17, 24, 39, .08);
    box-shadow: 0 16px 28px -12px rgba(17, 24, 39, .16);
  }
  .site-header.is-open .nav-panel { display: flex; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a, .nav-login { padding: .75rem 0; }
  .nav-actions {
    flex-direction: column; align-items: stretch; gap: var(--s-3);
    padding-top: var(--s-3); margin-top: var(--s-2);
    border-top: 1px solid rgba(17, 24, 39, .08);
  }
  .nav-cta { width: 100%; }
}

/* ---------- nav: account area (built by nav.js when logged in) ---------- */
.has-token .nav-guest { display: none !important; }
.nav-user { display: none; align-items: center; gap: 1.25rem; }
.has-token .nav-user { display: flex; }
.acct { position: relative; }
.acct-btn {
  display: inline-flex; align-items: center; gap: .6rem;
  min-height: 2.75rem; max-width: 16rem; padding: .3rem .6rem .3rem .3rem;
  font: 500 var(--fs-base)/1.2 var(--font-sans); color: var(--ink);
  background: transparent; border: 1px solid rgba(17, 24, 39, .14); border-radius: 999px; cursor: pointer;
}
.acct-btn:hover { background: var(--surface); }
.acct-avatar {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 2.125rem; height: 2.125rem; border-radius: 50%;
  background: var(--accent); color: var(--on-accent); font: 700 1rem/1 var(--font-sans);
}
.acct-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acct-chev { flex: none; width: .45rem; height: .45rem; margin: 0 .2rem 0 .1rem; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .15s ease; }
.acct-btn[aria-expanded="true"] .acct-chev { transform: translateY(1px) rotate(-135deg); }
.acct-menu {
  display: none; position: absolute; right: 0; top: calc(100% + .5rem); z-index: 45;
  width: 17.5rem; padding: var(--s-2);
  background: var(--paper); border: 1px solid rgba(17, 24, 39, .12); border-radius: 12px;
  box-shadow: 0 18px 40px -16px rgba(17, 24, 39, .3);
}
.is-menu-open .acct-menu { display: block; }
.acct-head { padding: var(--s-3) var(--s-3) var(--s-3); border-bottom: 1px solid rgba(17, 24, 39, .1); margin-bottom: var(--s-2); }
.acct-email { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.acct-plan { margin: .15rem 0 0; font-size: var(--fs-sm); color: var(--ink-2); }
.acct-plan.is-pro { color: var(--accent); font-weight: 600; }
.acct-items { list-style: none; margin: 0; padding: 0; }
.acct-item {
  display: block; width: 100%; padding: .65rem var(--s-3); border: 0; border-radius: 8px;
  font: 500 var(--fs-base)/1.3 var(--font-sans); text-align: left; color: var(--ink); background: none; text-decoration: none; cursor: pointer;
}
.acct-item:hover { background: var(--surface); color: var(--ink); text-decoration: none; }
.acct-item[aria-current="page"] { font-weight: 600; }
.acct-upgrade { color: var(--accent); font-weight: 600; }
.acct-msg { margin: 0; font-size: var(--fs-sm); color: var(--fail); }
.acct-msg:not(:empty) { padding: var(--s-2) var(--s-3); }
@media (max-width: 40rem) {
  .has-token .nav-user { flex-direction: column-reverse; align-items: stretch; gap: var(--s-3); }
  .acct-btn { display: none; }
  .acct-menu { display: block; position: static; width: auto; padding: 0; border: 0; box-shadow: none; }
  .acct-head { padding: var(--s-2) 0 var(--s-3); }
  .acct-item { padding: .75rem 0; }
  .nav-upgrade { width: 100%; }
  .acct-items li:has(.acct-upgrade) { display: none; } /* the full-width Upgrade button below covers it */
}

footer { border-top: 1px solid var(--rule); padding: var(--s-6) 0; font: var(--fs-sm)/1.6 var(--font-mono); color: var(--ink-2); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-3) var(--s-6); }
.footer-brand { font: 700 1.0625rem/1.4 var(--font-sans); color: var(--ink); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--ink); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.75rem; padding: .6rem 1.25rem;
  border: 2px solid var(--accent); border-radius: var(--radius);
  background: var(--accent); color: var(--on-accent);
  font: 600 1rem/1.2 var(--font-sans); text-decoration: none; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-accent); text-decoration: none; }
.btn.secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.secondary:hover { background: var(--ink); color: var(--paper); }
.btn.ink { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn.ink:hover { background: #000; border-color: #000; color: var(--paper); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-lg { min-height: 3.25rem; padding: .8rem 1.6rem; font-size: 1.125rem; }
.btn-sm { min-height: 2.5rem; padding: .35rem .85rem; font-size: var(--fs-sm); }

.tag {
  display: inline-block; vertical-align: .1em;
  font: 600 .6875rem/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .06em;
  color: var(--accent); border: 1px solid currentColor; border-radius: 2px; padding: .05rem .4rem;
}
.label {
  font: 600 var(--fs-xs)/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .07em;
  color: var(--ink-2); margin: 0 0 var(--s-3);
}
.hash { font: 400 .55em/1 var(--font-mono); color: var(--accent); vertical-align: .3em; margin-right: .45em; letter-spacing: 0; }

/* ---------- sections ---------- */
.section { padding: var(--s-9) 0; border-bottom: 1px solid var(--rule); }
.section.band { background: var(--surface); }
@media (max-width: 48rem) { .section { padding: var(--s-8) 0; } }

.split { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--s-5) clamp(2rem, 6vw, 5.5rem); align-items: start; }
.split-head p { color: var(--ink-2); max-width: 26rem; }
@media (max-width: 52rem) { .split { grid-template-columns: 1fr; } }

/* ---------- hero ---------- */
.hero { padding: var(--s-8) 0 var(--s-9); border-bottom: 1px solid var(--rule); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--s-7) clamp(2rem, 5vw, 4.5rem); align-items: start; }
.hero h1 { font-size: var(--fs-2xl); line-height: 1.04; letter-spacing: -.025em; margin-bottom: var(--s-5); }
.hero-pill {
  display: inline-flex; align-items: center;
  margin: 0 0 var(--s-4);
  padding: .2rem .7rem;
  font: 500 var(--fs-xs)/1.4 var(--font-sans);
  letter-spacing: .01em;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid rgba(17, 24, 39, .14);
  border-radius: 999px;
}
.hero-sub { font: 400 var(--fs-lg)/1.3 var(--font-sans); margin-bottom: var(--s-5); }
.hero-copy > p { max-width: 33rem; }
.hero-actions { margin: var(--s-6) 0 var(--s-3); }
@media (max-width: 60rem) { .hero-grid { grid-template-columns: 1fr; } .hero { padding: var(--s-7) 0 var(--s-8); } }

/* product preview */
.preview { margin: 0; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
.pv-bar {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-1) var(--s-4);
  padding: var(--s-2) var(--s-4); border-bottom: 1px solid var(--rule);
  font: var(--fs-xs)/1.5 var(--font-mono); color: var(--ink-2);
}
.pv-bar strong { color: var(--ink); font-weight: 600; overflow-wrap: anywhere; }
.pv-files { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
.pv-pane { padding: var(--s-4); min-width: 0; }
.pv-pane + .pv-pane { border-left: 1px solid var(--rule); }
.pv-pane pre { margin: 0; font: .75rem/1.6 var(--font-mono); color: var(--ink); tab-size: 4; }
.pv-tree { white-space: pre; overflow-x: auto; }
.pv-md { white-space: pre-wrap; overflow-wrap: anywhere; }
.pv-tree .dir { color: var(--ink-2); }
.pv-tree .todo { font-weight: 700; color: var(--accent); }
.pv-md .md-mark { color: var(--ink-2); }
.pv-md .md-h { font-weight: 700; }
.pv-md .md-code { color: var(--accent); }
@media (max-width: 40rem) {
  .pv-files { grid-template-columns: 1fr; }
  .pv-pane + .pv-pane { border-left: 0; border-top: 1px solid var(--rule); }
}
@media (max-width: 22rem) { .pv-pane pre { font-size: .6875rem; } }

.term { background: var(--term); color: var(--term-fg); border-top: 1px solid var(--term-rule); }
.term + .term { border-top: 1px solid var(--term-rule); }
.term-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: var(--s-1) var(--s-4);
  margin: 0; padding: var(--s-2) var(--s-4); border-bottom: 1px solid var(--term-rule);
  font: var(--fs-xs)/1.5 var(--font-mono); color: var(--term-dim);
}
.term-status { font-weight: 700; }
.term-status.fail { color: var(--term-fail); }
.term-status.pass { color: var(--term-pass); }
.term pre {
  margin: 0; padding: var(--s-3) var(--s-4) var(--s-4);
  font: .75rem/1.6 var(--font-mono); white-space: pre-wrap; overflow-wrap: anywhere; tab-size: 4;
}
.t-dim { color: var(--term-dim); }
.t-fail { color: var(--term-fail); }
.t-pass { color: var(--term-pass); font-weight: 700; }
.preview figcaption { padding: var(--s-3) var(--s-4); border-top: 1px solid var(--rule); font-size: var(--fs-xs); color: var(--ink-2); }

/* ---------- how it works ---------- */
.steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.steps li { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: var(--s-4); padding: var(--s-5) 0; border-bottom: 1px solid var(--rule); }
.step-n { font: 500 var(--fs-lg)/1.1 var(--font-mono); color: var(--accent); }
.steps h3 { margin-bottom: var(--s-2); }
.steps p { margin: 0; color: var(--ink-2); max-width: 36rem; }

/* ---------- why not leetcode ---------- */
.why-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s-6) clamp(2rem, 6vw, 5.5rem); align-items: start; }
.big { font: 400 var(--fs-xl)/1.2 var(--font-sans); letter-spacing: -.01em; margin-bottom: var(--s-5); }
.why-grid p:not(.big):not(.label) { max-width: 34rem; }
.excerpt { border-left: 3px solid var(--rule); padding-left: var(--s-5); }
.excerpt ul { margin: 0; padding-left: 1.1rem; font-size: var(--fs-sm); }
.excerpt li { margin-bottom: var(--s-3); }
.excerpt li::marker { color: var(--ink-2); }
@media (max-width: 52rem) { .why-grid { grid-template-columns: 1fr; } }

/* ---------- what you get ---------- */
.spec { margin: 0; border-top: 1px solid var(--rule); }
.spec > div { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: var(--s-2) var(--s-5); padding: var(--s-4) 0; border-bottom: 1px solid var(--rule); }
.spec dt { font: 600 var(--fs-xs)/1.5 var(--font-mono); text-transform: uppercase; letter-spacing: .07em; padding-top: .2rem; }
.spec dd { margin: 0; }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--s-2); }
.chips li { font: var(--fs-sm)/1.4 var(--font-mono); background: var(--surface); border: 1px solid var(--rule); border-radius: 2px; padding: .2rem .55rem; }
@media (max-width: 40rem) { .spec > div { grid-template-columns: 1fr; } }

/* ---------- sample (markup also lives in build_static.py) ---------- */
.section-head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--s-3) clamp(2rem, 6vw, 5.5rem); align-items: end; margin-bottom: var(--s-6); }
.section-head h2 { margin: 0; }
.section-head p { margin: 0; color: var(--ink-2); max-width: 40rem; }
@media (max-width: 52rem) { .section-head { grid-template-columns: 1fr; } }

.sample-grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: var(--s-6); align-items: start; }
@media (max-width: 52rem) { .sample-grid { grid-template-columns: 1fr; } }
.sample-doc {
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 2.25rem); max-height: 36rem; overflow: auto;
  font-size: .9375rem; line-height: 1.6;
}
/* README headings are shifted down two levels by build_static.py (# -> h3) so the page keeps one h1 */
.sample-doc h3 { font-size: var(--fs-lg); line-height: 1.2; margin: 0 0 var(--s-4); }
.sample-doc h4 { font-size: var(--fs-md); margin: var(--s-6) 0 var(--s-2); }
.sample-doc h5 { font-size: 1.0625rem; margin: var(--s-5) 0 var(--s-2); }
.sample-doc ul { padding-left: 1.2rem; }
.sample-doc li { margin-bottom: var(--s-2); }
.sample-doc .draft, .rubric-body .draft {
  font: var(--fs-sm)/1.55 var(--font-sans); color: var(--ink-2);
  background: var(--paper); border-left: 3px solid var(--rule); padding: var(--s-2) var(--s-3);
}
.sample-side h3 { font-size: var(--fs-md); }
.files { list-style: none; margin: 0 0 var(--s-5); padding: 0; font: var(--fs-xs)/1.5 var(--font-mono); border-top: 1px solid var(--rule); }
.files li { padding: .35rem 0; border-bottom: 1px solid var(--rule); overflow-wrap: anywhere; }
.files code { background: none; padding: 0; font-size: inherit; }
.rubric { margin-top: var(--s-6); background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); }
.rubric summary { cursor: pointer; padding: var(--s-4) var(--s-5); font-weight: 600; }
.rubric[open] summary { border-bottom: 1px solid var(--rule); }
.rubric-body { padding: var(--s-5); }
.rubric-body h3 { font-size: var(--fs-lg); margin-top: 0; }
.rubric-body h4 { font-size: var(--fs-md); }

/* ---------- tables ---------- */
table { border-collapse: collapse; width: 100%; font-size: var(--fs-sm); margin: 0 0 var(--s-4); }
th, td { text-align: left; vertical-align: top; padding: .5rem .75rem .5rem 0; border-bottom: 1px solid var(--rule); overflow-wrap: anywhere; }
th { font: 600 var(--fs-xs)/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; border-bottom-color: var(--rule); }

/* ---------- pricing ---------- */
.tiers { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); border: 1px solid var(--rule); border-radius: var(--radius); background: var(--paper); }
.tier { display: flex; flex-direction: column; gap: var(--s-3); padding: clamp(1.5rem, 3vw, 2.5rem); }
.tier-free { border-right: 1px solid var(--rule); }
.tier-pro { background: var(--surface); box-shadow: inset 0 4px 0 var(--accent); }
.tier h3 { font: 600 var(--fs-xs)/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; margin: 0; }
.price { font: 600 clamp(2.5rem, 2rem + 2vw, 3.5rem)/1 var(--font-sans); letter-spacing: -.02em; margin: 0; }
.price small { font: 400 var(--fs-base)/1 var(--font-sans); letter-spacing: 0; color: var(--ink-2); }
.tier ul { margin: 0; padding-left: 1.1rem; }
.tier li { margin-bottom: var(--s-1); }
.tier p { margin: 0; }
.tier .tier-cta { margin-top: auto; padding-top: var(--s-4); }
@media (max-width: 44rem) {
  .tiers { grid-template-columns: 1fr; }
  .tier-free { border-right: 0; border-bottom: 1px solid var(--rule); }
}

/* ---------- trust (markup also lives in build_static.py) ---------- */
.trust-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s-6) clamp(2rem, 6vw, 5.5rem); align-items: start; }
.statement { font: 400 var(--fs-lg)/1.35 var(--font-sans); letter-spacing: -.005em; max-width: 36rem; }
.trust-who p:not(.statement) { color: var(--ink-2); max-width: 34rem; }
.promises { margin: 0; border-top: 1px solid var(--rule); }
.promises > div { padding: var(--s-4) 0; border-bottom: 1px solid var(--rule); }
.promises dt { font-weight: 700; margin-bottom: var(--s-1); }
.promises dd { margin: 0; color: var(--ink-2); font-size: .9375rem; }
@media (max-width: 52rem) { .trust-grid { grid-template-columns: 1fr; } }

/* ---------- honest note, faq, closing ---------- */
.honest { border: 2px solid var(--rule); border-radius: var(--radius); padding: var(--s-5) clamp(1.25rem, 3vw, 2rem); max-width: 44rem; background: var(--surface); }
.honest h2 { font: 600 var(--fs-xs)/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; margin-bottom: var(--s-2); }
.honest p { font: 400 var(--fs-md)/1.45 var(--font-sans); margin: 0; }

.faq-block { margin-top: var(--s-8); }
.faq-list { margin: 0; border-top: 1px solid var(--rule); }
.faq-list > div { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--s-2) var(--s-5); padding: var(--s-5) 0; border-bottom: 1px solid var(--rule); }
.faq-list dt { font: 600 1.125rem/1.35 var(--font-sans); }
.faq-list dd { margin: 0; }
@media (max-width: 44rem) { .faq-list > div { grid-template-columns: 1fr; } }

.closing { padding: var(--s-9) 0; }
.closing-inner { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--s-5) clamp(2rem, 6vw, 5.5rem); align-items: end; }
.closing-line { font: 400 var(--fs-xl)/1.2 var(--font-sans); letter-spacing: -.01em; margin: 0; max-width: 30rem; }
.closing-cta p { margin: var(--s-3) 0 0; }
@media (max-width: 52rem) { .closing-inner { grid-template-columns: 1fr; } .closing { padding: var(--s-8) 0; } }

/* ---------- app ---------- */
[hidden] { display: none !important; }
.app-main { padding: var(--s-7) 0 var(--s-9); }
.eyebrow { font: 600 var(--fs-sm)/1.4 var(--font-sans); color: var(--accent); margin: 0 0 var(--s-2); }
.checks { list-style: none; padding: 0; margin: 0 0 var(--s-4); }
.checks li { position: relative; padding-left: 1.75rem; margin-bottom: var(--s-2); }
.checks li::before {
  content: ""; position: absolute; left: .2rem; top: .42em;
  width: .7rem; height: .4rem; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.btn-block { width: 100%; }
.card-shadow, .auth-form, .result-card, .upgrade-card, .gen-card { box-shadow: 0 1px 2px rgba(17, 24, 39, .05), 0 12px 32px -18px rgba(17, 24, 39, .22); }

/* auth (sign up / log in) */
.has-token #auth { display: none; } /* no sign-up flash for logged-in users */
.auth { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--s-6) clamp(2rem, 7vw, 6rem); align-items: center; max-width: 64rem; }
.auth-form { background: var(--paper); border: 1px solid rgba(17, 24, 39, .14); border-radius: 12px; padding: clamp(1.5rem, 4vw, 2.5rem); }
.auth-form h1 { font-size: var(--fs-xl); margin-bottom: var(--s-2); }
.auth-lede { color: var(--ink-2); margin-bottom: var(--s-5); }
.auth-form label:first-of-type { margin-top: 0; }
.auth-form .btn-block { margin-top: var(--s-5); }
.auth-form #authMsg .msg { margin-bottom: 0; }
.auth-switch { margin: var(--s-5) 0 0; text-align: center; color: var(--ink-2); }
.auth-intro .big { margin-bottom: var(--s-5); }
.auth-intro .checks { color: var(--ink-2); margin-bottom: var(--s-5); }
.pw-field { position: relative; }
.pw-field input { padding-right: 4.75rem; }
.pw-toggle {
  position: absolute; top: 50%; right: .35rem; transform: translateY(-50%);
  min-height: 2.25rem; padding: 0 .75rem;
  font: 600 var(--fs-sm)/1 var(--font-sans); color: var(--accent);
  background: transparent; border: 0; border-radius: 6px; cursor: pointer;
}
.pw-toggle:hover { background: var(--surface); color: var(--accent-hover); }
@media (max-width: 52rem) { .auth { grid-template-columns: 1fr; } .auth-intro { order: 2; } }

/* form fields */
label { display: block; font: 600 var(--fs-base)/1.4 var(--font-sans); margin: var(--s-5) 0 var(--s-2); }
.hint, .field-hint { font-size: var(--fs-sm); color: var(--ink-2); font-weight: 400; }
.field-hint { margin: var(--s-2) 0 0; }
input, textarea {
  display: block; width: 100%; min-height: 3rem;
  font: inherit; color: var(--ink); background: #fff;
  border: 1px solid var(--rule); border-radius: 8px; padding: .7rem .9rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input:hover, textarea:hover { border-color: var(--ink-2); }
input:focus-visible, textarea:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37, 99, 235, .3); }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--fail); }
input[aria-invalid="true"]:focus-visible, textarea[aria-invalid="true"]:focus-visible { box-shadow: 0 0 0 3px rgba(168, 35, 26, .25); }
textarea { min-height: 16rem; resize: vertical; font: 1rem/1.6 var(--font-sans); }
textarea[readonly] { background: var(--surface); color: var(--ink-2); }

/* app page head */
.app-head { margin-bottom: var(--s-6); max-width: 46rem; }
.app-head h1 { font-size: var(--fs-xl); margin: 0 0 var(--s-3); }
.app-sub { font-size: var(--fs-md); line-height: 1.45; color: var(--ink-2); margin: 0; }
#banner .msg { margin: 0 0 var(--s-5); }

/* generator */
.app-grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: var(--s-6) clamp(2rem, 5vw, 4rem); align-items: start; }
.gen-card { background: var(--paper); border: 1px solid rgba(17, 24, 39, .14); border-radius: 12px; padding: clamp(1.25rem, 3vw, 2rem); }
.gen-card label { margin-top: 0; }
.gen-card .field-hint { margin: 0 0 var(--s-3); }
.job-count { margin: var(--s-2) 0 0; font-size: var(--fs-sm); color: var(--ink-2); }
.job-count.is-short { color: var(--fail); }
.gen-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3) var(--s-4); margin: var(--s-5) 0 0; }
.btn[aria-busy="true"] { cursor: progress; opacity: .85; }
.progress {
  display: flex; align-items: flex-start; gap: var(--s-3);
  margin: var(--s-4) 0 0; padding: var(--s-3) var(--s-4);
  color: var(--ink); background: var(--surface); border: 1px solid rgba(17, 24, 39, .12); border-radius: 8px;
}
.progress-time { color: var(--ink-2); white-space: nowrap; }
.progress-dot {
  flex: none; width: 1.1rem; height: 1.1rem; margin-top: .25rem;
  border: 2px solid var(--code-bg); border-top-color: var(--accent); border-radius: 50%;
  animation: hc-spin .8s linear infinite;
}
@keyframes hc-spin { to { transform: rotate(360deg); } }
.zip-contents { padding: var(--s-5); background: var(--surface); border-radius: 12px; }
.aside-title { font-size: var(--fs-md); margin-bottom: var(--s-4); }
.zip-contents .checks li { margin-bottom: var(--s-3); }
.zip-contents p { margin: 0; color: var(--ink-2); }
@media (max-width: 52rem) { .app-grid { grid-template-columns: 1fr; } }

/* result card (just generated / the free assignment) */
.result-card {
  scroll-margin-top: 6.5rem;
  margin: 0 0 var(--s-6); padding: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--paper); border: 1px solid rgba(17, 24, 39, .14); border-radius: 12px;
  border-left: 4px solid var(--accent);
}
.result-card.is-new { border-left-color: var(--pass); }
.result-kicker { font: 600 var(--fs-sm)/1.4 var(--font-sans); color: var(--accent); margin: 0 0 var(--s-2); }
.result-card.is-new .result-kicker { color: var(--pass); }
.result-card h2 { font-size: var(--fs-lg); line-height: 1.25; margin: 0 0 var(--s-2); max-width: 44rem; }
.result-meta { color: var(--ink-2); margin: 0 0 var(--s-5); }
.result-actions { margin: 0 0 var(--s-5); }
.result-steps { margin: 0; padding: var(--s-4) 0 0 1.4rem; border-top: 1px solid rgba(17, 24, 39, .1); color: var(--ink-2); }
.result-steps li { margin-bottom: var(--s-2); padding-left: .25rem; }
.result-steps li::marker { color: var(--accent); font-weight: 700; }

/* upgrade card */
.upgrade-card {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: var(--s-5) var(--s-6); align-items: center;
  margin: 0 0 var(--s-6); padding: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--surface); border: 1px solid rgba(17, 24, 39, .12); border-radius: 12px; box-shadow: inset 0 4px 0 var(--accent);
}
.upgrade-card h2 { font-size: var(--fs-lg); margin-bottom: var(--s-3); }
.upgrade-copy p { color: var(--ink-2); max-width: 34rem; }
.upgrade-copy .checks { margin: 0; }
.upgrade-buy .price { margin: 0 0 var(--s-4); }
.upgrade-fine { margin: var(--s-3) 0 0; font-size: var(--fs-sm); color: var(--ink-2); text-align: center; }
@media (max-width: 44rem) { .upgrade-card { grid-template-columns: 1fr; } }

/* assignment list */
.list-panel { margin-top: var(--s-7); }
.list-panel h2 { font-size: var(--fs-lg); margin-bottom: var(--s-3); }
.gen-list { list-style: none; margin: 0; padding: 0; border: 1px solid rgba(17, 24, 39, .14); border-radius: 12px; overflow: hidden; }
.gen-item { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3) var(--s-5); padding: var(--s-4) var(--s-5); }
.gen-item + .gen-item { border-top: 1px solid rgba(17, 24, 39, .1); }
.gen-info { min-width: 0; }
.gen-title { font-weight: 600; margin: 0 0 .15rem; overflow-wrap: anywhere; }
.gen-meta { font-size: var(--fs-sm); color: var(--ink-2); margin: 0; }
.gen-item .btn { flex: none; }
.empty { color: var(--ink-2); padding: var(--s-5); margin: 0; background: var(--surface); border-radius: 12px; }
@media (max-width: 30rem) { .gen-item { flex-direction: column; align-items: stretch; } }

/* messages written by app.js */
.msg { margin: var(--s-4) 0; padding: var(--s-3) var(--s-4); border-left: 4px solid; border-radius: 0 8px 8px 0; font-size: var(--fs-base); }
.msg.err { color: var(--fail); background: var(--fail-bg); border-color: var(--fail); }
.msg.ok { color: var(--pass); background: var(--pass-bg); border-color: var(--pass); }
.msg.info { color: var(--ink); background: var(--surface); border-color: var(--accent); }
.msg a { color: inherit; font-weight: 700; }

/* ---------- legal docs (body is regenerated by build_static.py) ---------- */
.doc { max-width: 50rem; padding-top: var(--s-7); padding-bottom: var(--s-8); }
.doc h1 { font-size: var(--fs-xl); margin-top: var(--s-6); }
.doc h2 { font-size: var(--fs-md); margin: var(--s-6) 0 var(--s-3); }
.doc ol, .doc ul { padding-left: 1.4rem; }
.doc li { margin-bottom: var(--s-3); }
.draft { font-weight: 600; }
.doc .draft {
  font: 600 var(--fs-sm)/1.55 var(--font-mono);
  background: var(--surface); border: 2px dashed var(--rule); border-radius: var(--radius);
  padding: var(--s-3) var(--s-4);
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}