:root {
  --canvas: #eef1f4;
  --paper: #ffffff;
  --ink: #1c2430;
  --muted: #566170;
  --line: #d3dae1;
  --accent: #1d4f73;
  --accent-hover: #163e5b;
  --accent-soft: #e3edf5;
  --air-red: #b8322f;
  --flag-bg: #fff4d6;
  --flag-ink: #5c3f00;
  --flag-line: #d9a93a;
  --ph-bg: #fff0a3;
  --ph-ink: #4a3b00;
  --danger: #9e2424;
  --ok: #2c6a3a;
  --focus: #f0b429;
  --radius: 6px;
  --ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --letter: "Iowan Old Style", "Charter", "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: 1rem/1.55 var(--ui); }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--paper); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; }
h1, h2, h3 { line-height: 1.25; margin: 1.6em 0 .5em; }
h1 { font-size: 1.6rem; margin-top: .4em; letter-spacing: -.01em; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

/* Header */
.top { background: var(--paper); border-bottom: 1px solid var(--line); }
.top-inner { max-width: 60rem; margin: 0 auto; padding: .75rem 1rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; align-items: center; }
.brand { font-weight: 650; color: var(--ink); text-decoration: none; margin-right: auto; }
.nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; align-items: center; margin: 0; padding: 0; list-style: none; }
.nav a { text-decoration: none; color: var(--muted); padding: .25rem 0; }
.nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
.nav form { margin: 0; }
.linklike { background: none; border: 0; padding: .25rem 0; font: inherit; color: var(--muted); cursor: pointer; }
.linklike:hover { color: var(--ink); text-decoration: underline; }

main { max-width: 60rem; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
.narrow { max-width: 34rem; }
.reading { max-width: 42rem; }

/* Panels */
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; margin: 0 0 1.25rem; }
.panel > :last-child { margin-bottom: 0; }
.panel h2:first-child, .panel h3:first-child { margin-top: 0; }
.dev { border: 2px dashed var(--flag-line); background: var(--flag-bg); color: var(--flag-ink); }

/* Forms */
label { display: block; font-weight: 600; margin: 0 0 .35rem; }
.hint { display: block; font-weight: 400; color: var(--muted); font-size: .9rem; margin-top: .15rem; }
input[type=text], input[type=email], input[type=url], textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--paper);
  border: 1px solid #9aa6b2; border-radius: var(--radius); padding: .6rem .7rem;
}
textarea { min-height: 7rem; resize: vertical; line-height: 1.5; }
.field { margin: 0 0 1rem; }
.btn { display: inline-block; font: inherit; font-weight: 600; border-radius: var(--radius); padding: .6rem 1.1rem;
  border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--accent-hover); color: #fff; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: var(--paper); color: var(--accent); }
.btn.secondary:hover { background: var(--accent-soft); }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.small { padding: .3rem .7rem; font-size: .875rem; font-weight: 500; }
.spaced { margin-bottom: 1.25rem; }
.spaced-top { margin-top: 1rem; }
.prompt .hint { color: var(--muted); font-size: .9rem; margin: .35rem 0 0; }
.skip-row { margin-top: .75rem; }
.choices .btn { min-width: 6rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.notice { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: .75rem 1rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 0 0 1.25rem; }
.notice.error { border-color: var(--danger); background: #fbeaea; }
.notice.ok { border-color: var(--ok); background: #e8f3ea; }

/* Projects list */
.projects { list-style: none; padding: 0; margin: 0; display: grid; gap: .75rem; }
.projects li { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.25rem; display: flex; flex-wrap: wrap; gap: .25rem 1rem; align-items: baseline; }
.projects a.title { font-weight: 600; font-size: 1.05rem; margin-right: auto; overflow-wrap: anywhere; }
.tag { font-size: .8rem; border: 1px solid var(--line); border-radius: 999px; padding: .05rem .55rem; color: var(--muted); white-space: nowrap; }
.tag.warn { border-color: var(--flag-line); background: var(--flag-bg); color: var(--flag-ink); }
.tag.bad { border-color: var(--danger); color: var(--danger); }

/* Interview */
.chat { display: grid; gap: 1rem; }
.display { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.25rem; margin: 0;
  font: .9rem/1.5 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; max-height: 60vh; overflow: auto; }
.question { font-size: 1.1rem; font-weight: 600; white-space: pre-wrap; margin: 0 0 .75rem; }
.transcript { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.transcript li { font-size: .9rem; color: var(--muted); border-left: 3px solid var(--line); padding-left: .75rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.transcript b { color: var(--ink); font-weight: 600; }
.progress { height: .6rem; background: var(--accent-soft); border-radius: 999px; overflow: hidden; margin: .5rem 0; }
.progress > span { display: block; height: 100%; background: var(--accent); width: 0; transition: width .4s ease; }
@media (prefers-reduced-motion: reduce) { .progress > span { transition: none; } }

/* Review: the letters */
.flags { border: 1px solid var(--flag-line); background: var(--flag-bg); color: var(--flag-ink); border-radius: var(--radius); padding: 1rem 1.25rem; margin: 0 0 1.25rem; }
.flags h2 { margin: 0 0 .5rem; font-size: 1.1rem; }
.flags ul { margin: 0; padding-left: 1.2rem; }
.flags a { color: var(--flag-ink); font-weight: 600; }
.toolbar { display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: center; margin: 0 0 1.5rem; }
.letters { display: grid; gap: 1.5rem; }
.letter { background: var(--paper); border: 1px solid var(--line); border-radius: 2px; position: relative; padding: 1.5rem 1.5rem 1.25rem; scroll-margin-top: 1rem; }
.letter::before { content: ""; position: absolute; left: -1px; right: -1px; top: -1px; height: 6px;
  background: repeating-linear-gradient(135deg, var(--air-red) 0 12px, #fff 12px 18px, var(--accent) 18px 30px, #fff 30px 36px); }
.letter.flagged { border-color: var(--flag-line); }
.letter-head { display: flex; flex-wrap: wrap; gap: .25rem 1rem; align-items: baseline; font-size: .875rem; color: var(--muted); margin-bottom: .75rem; }
.letter-head .day { font-weight: 700; color: var(--ink); }
.envelope { border-bottom: 1px solid var(--line); padding-bottom: .75rem; margin-bottom: 1rem; }
.envelope dl { display: grid; grid-template-columns: 5.5rem 1fr auto; gap: .35rem .75rem; margin: 0; align-items: baseline; }
.envelope dt { color: var(--muted); font-size: .875rem; }
.envelope dd { margin: 0; overflow-wrap: anywhere; }
.envelope .subject { font-weight: 650; font-size: 1.1rem; }
.letter-body { font: 1.075rem/1.7 var(--letter); max-width: 38rem; overflow-wrap: anywhere; }
.letter-body p { margin: 0 0 1em; }
.letter-body .ps { margin-top: 1.25em; }
.ph { background: var(--ph-bg); color: var(--ph-ink); font: .85em/1.2 var(--mono); padding: .05em .3em; border-radius: 3px; white-space: nowrap; }
.plink { color: var(--accent); text-decoration: underline; text-decoration-style: dashed; }
.letter-issues { margin: 0 0 1rem; padding: .6rem .9rem; background: var(--flag-bg); color: var(--flag-ink); border-radius: var(--radius); font-size: .9rem; }
.letter-issues ul { margin: .25rem 0 0; padding-left: 1.2rem; }
.letter-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; border-top: 1px solid var(--line); padding-top: .75rem; }
.alts { font-size: .9rem; color: var(--muted); margin-top: .75rem; }
.alts summary { cursor: pointer; }
.suggestions { margin-top: .75rem; border: 1px solid var(--line); border-radius: var(--radius); padding: .5rem .85rem; background: var(--canvas); font-size: .95rem; }
.suggestions summary { cursor: pointer; color: var(--ink); }
.suggestions ul { margin: .35rem 0 .25rem; padding-left: 1.2rem; }
.edit-form { display: none; }
.letter.editing .edit-form { display: block; }
.letter.editing .letter-view { display: none; }
.extras { display: grid; gap: 1.25rem; }
.extras ul { padding-left: 1.2rem; }
.downloads { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.copy-ok { color: var(--ok); font-size: .875rem; }

/* Help pages */
.prose { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; max-width: 46rem; }
.prose > :first-child { margin-top: 0; }
.prose pre { background: var(--canvas); padding: .75rem; overflow: auto; border-radius: var(--radius); }
.prose code { font-family: var(--mono); font-size: .9em; white-space: nowrap; }
.prose pre code { white-space: pre; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 1.5rem 0; }
.prose blockquote { margin: 0 0 1em; padding: .25rem 1rem; border-left: 3px solid var(--line); color: var(--muted); }
.prose ul.tasks { list-style: none; padding-left: .25rem; }
.prose ul.tasks label { display: inline; font-weight: 400; margin: 0; }
.prose ul.tasks input { margin-right: .4rem; width: 1rem; height: 1rem; vertical-align: -2px; }
.prose li + li { margin-top: .3rem; }
.table-wrap { overflow-x: auto; margin: 0 0 1em; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; border-bottom: 1px solid var(--line); padding: .45rem .6rem; vertical-align: top; }
th { font-weight: 650; }

.stories { display: grid; gap: 1rem; }
.story h3 { margin: 0 0 .35rem; }
.story dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: .25rem .75rem; font-size: .95rem; }
.story dt { color: var(--muted); }
.story dd { margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; }

@media (max-width: 36rem) {
  .envelope dl { grid-template-columns: 1fr auto; }
  .envelope dt { grid-column: 1 / -1; }
  .letter { padding: 1.25rem 1rem 1rem; }
  .letter-body { font-size: 1.02rem; }
  h1 { font-size: 1.4rem; }
}