/* misko.wiki — an accession register for machine-authored documents.
   Monospace carries the identity: these are artifacts with ids and versions,
   not files with names. Prose sits in the system sans so summaries read easily. */

:root {
  color-scheme: light dark;
  --paper:      #fbfafc;
  --raised:     #ffffff;
  --ink:        #1a1826;
  --ink-soft:   #6e6a80;   /* 5.00:1 on paper */
  --rule:       #e6e3ed;
  --rule-firm:  #d3cfdd;
  --field:      #8b8599;   /* 3.41:1 — form borders need 3:1 (WCAG 1.4.11) */
  --accent:     #7b2d5e;
  --accent-bg:  #f5e9f0;
  --danger:     #8c2f2f;
  --danger-bg:  #fbeeee;

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:     #131220;
    --raised:    #1b1929;
    --ink:       #edebf2;
    --ink-soft:  #918ca6;  /* 5.73:1 on paper */
    --rule:      #272536;
    --rule-firm: #363348;
    --field:     #6d6987;  /* 3.54:1 */
    --accent:    #e39bc4;
    --accent-bg: #2a1a26;
    --danger:    #e39a9a;
    --danger-bg: #2b1a1a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 15px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: -9999px;
  background: var(--ink); color: var(--paper);
  padding: 10px 16px; border-radius: 0 0 7px 0; z-index: 10;
  font: 500 13.5px var(--mono); text-decoration: none;
}
.skip:focus { left: 0; top: 0; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }

/* ---- masthead ---- */

.masthead {
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
  padding: 30px 0 18px;
  border-bottom: 1px solid var(--rule);
}
.brand {
  font-family: var(--mono); font-size: 15px; font-weight: 600;
  letter-spacing: .02em; color: var(--ink); text-decoration: none;
}
.brand span { color: var(--accent); }
.masthead nav { margin-left: auto; display: flex; gap: 18px; align-items: baseline; }
.masthead nav a, .masthead nav button {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .03em;
  color: var(--ink-soft); text-decoration: none;
  background: none; border: 0; padding: 0; cursor: pointer;
}
.masthead nav a:hover, .masthead nav button:hover { color: var(--ink); }
.whoami { font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft); }

/* ---- headings ---- */

h1.page-title {
  font: 500 22px/1.3 var(--mono); letter-spacing: -.01em;
  margin: 34px 0 0;
}
h1.page-title + .lede { margin: 6px 0 0; color: var(--ink-soft); font-size: 14px; }

h2.section {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .09em;
  text-transform: uppercase; color: var(--ink-soft);
  font-weight: 500; margin: 42px 0 2px;
}

/* ---- the register ---- */

.register { list-style: none; margin: 0; padding: 0; }

.entry {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}

/* The id lives in the gutter because it is the thing you hand to an agent. */
.entry .accession {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.55;
  color: var(--ink-soft); letter-spacing: .02em;
  word-break: break-all;
}
.entry .accession .ver { color: var(--accent); }
.entry .accession time { display: block; }

.entry h3 { margin: 0 0 5px; font: 500 17px/1.35 var(--mono); letter-spacing: -.005em; }
.entry h3 a { color: var(--ink); text-decoration: none; }
.entry h3 a:hover { color: var(--accent); }

.meta {
  margin: 0 0 8px; font-family: var(--mono); font-size: 11.5px;
  color: var(--ink-soft); display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
}
.kind {
  text-transform: uppercase; letter-spacing: .08em; font-size: 10.5px;
  border: 1px solid var(--rule-firm); border-radius: 4px; padding: 2px 6px;
  color: var(--ink);
}
.meta .sep { color: var(--rule-firm); }
.summary { margin: 0 0 12px; color: var(--ink); font-size: 14.5px; max-width: 60ch; }

/* ---- access chips with read receipts ---- */

.chips { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; margin: 0 0 4px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11.5px;
  background: var(--accent-bg); color: var(--ink);
  border-radius: 999px; padding: 4px 5px 4px 11px;
}
.chip .seen { color: var(--ink-soft); }
.chip .unseen { color: var(--ink-soft); font-style: italic; }
.chip form { display: inline-flex; }
.chip button {
  border: 0; background: none; cursor: pointer; color: var(--ink-soft);
  font: inherit; line-height: 1; padding: 3px 6px; border-radius: 999px;
}
.chip button:hover { color: var(--danger); background: var(--danger-bg); }
.chips .none { font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft); }

/* ---- progressive disclosure ---- */

.actions { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 14px; }

details.disclose { font-size: 14px; }
details.disclose > summary {
  display: inline-flex; align-items: center; gap: 7px;
  cursor: pointer; list-style: none;
  font: 500 12.5px var(--mono); letter-spacing: .02em;
  color: var(--ink-soft);
  padding: 3px 2px; border-radius: 5px;
  width: fit-content;
}
details.disclose > summary::-webkit-details-marker { display: none; }
details.disclose > summary::before {
  content: "+"; display: inline-block; width: 1ch;
  color: var(--accent); font-weight: 600;
}
details.disclose[open] > summary::before { content: "\2212"; }
details.disclose > summary:hover { color: var(--ink); }
details.disclose[open] > summary { color: var(--ink); margin-bottom: 4px; }
details.disclose.destructive > summary::before { color: var(--danger); }
details.disclose.destructive[open] > summary { color: var(--danger); }

.panel {
  margin: 6px 0 2px; padding: 14px 16px;
  background: var(--raised); border: 1px solid var(--rule);
  border-radius: 8px; max-width: 34rem;
}
.panel > :first-child { margin-top: 0; }
.panel > :last-child { margin-bottom: 0; }
.panel .hint { margin: 0 0 12px; font-size: 13.5px; color: var(--ink-soft); }

/* ---- forms ---- */

label.lbl {
  display: block; margin-bottom: 5px;
  font: 500 12px var(--mono); letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-soft);
}
.field { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.field + .field { margin-top: 12px; }

input[type=email], input[type=text] {
  flex: 1 1 15rem; min-width: 0;
  font: 14px var(--mono);
  color: var(--ink); background: var(--paper);
  border: 1px solid var(--field); border-radius: 7px;
  padding: 9px 11px;
}
input[readonly] { color: var(--ink-soft); background: var(--paper); }
input::placeholder { color: var(--ink-soft); opacity: .75; }

.btn {
  font: 500 13.5px var(--mono); letter-spacing: .01em;
  background: var(--ink); color: var(--paper);
  border: 1px solid var(--ink); border-radius: 7px;
  padding: 9px 16px; cursor: pointer; text-decoration: none;
  display: inline-block;
}
.btn:hover { opacity: .88; }
.btn.quiet {
  background: transparent; color: var(--ink); border-color: var(--field);
}
.btn.quiet:hover { border-color: var(--ink); opacity: 1; }
.btn.destructive {
  background: transparent; color: var(--danger); border-color: var(--danger);
}
.btn.destructive:hover { background: var(--danger-bg); opacity: 1; }

/* ---- tokens ---- */

.tokens { list-style: none; margin: 0 0 4px; padding: 0; }
.tokens li {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  padding: 11px 0; border-bottom: 1px solid var(--rule);
  font-family: var(--mono); font-size: 12.5px;
}
.tokens .name { color: var(--ink); font-weight: 500; }
.tokens .when { color: var(--ink-soft); }
.tokens form { margin-left: auto; }
.tokens button {
  border: 0; background: none; cursor: pointer; color: var(--ink-soft);
  font: inherit; padding: 3px 8px; border-radius: 5px;
}
.tokens button:hover { color: var(--danger); background: var(--danger-bg); }

/* ---- version history ---- */

.versions { list-style: none; margin: 0; padding: 0; font-family: var(--mono); font-size: 12.5px; }
.versions li {
  display: flex; gap: 12px; align-items: baseline;
  padding: 7px 0; border-bottom: 1px solid var(--rule);
}
.versions li:last-child { border-bottom: 0; }
.versions .n { color: var(--accent); min-width: 2.5rem; }
.versions .when { color: var(--ink-soft); }
.versions .current { color: var(--ink-soft); margin-left: auto; }

/* ---- notices ---- */

.notice {
  margin: 22px 0 0; padding: 13px 16px;
  border: 1px solid var(--rule-firm); border-left: 3px solid var(--accent);
  background: var(--raised); border-radius: 0 7px 7px 0; font-size: 14px;
}
.notice.warn { border-left-color: var(--danger); }
.notice p { margin: 0; }
.notice p + p { margin-top: 10px; }
.notice input { width: 100%; }

.empty { padding: 52px 0; text-align: center; color: var(--ink-soft); }
.empty h3 { font: 500 17px/1.4 var(--mono); color: var(--ink); margin: 0 0 8px; }
.empty p { margin: 0 auto; max-width: 36rem; }

footer.foot {
  margin: 52px 0 40px; padding-top: 18px; border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft);
}

/* ---- sign-in ---- */

.gate { max-width: 25rem; margin: 14vh auto 0; padding: 0 24px; }
.gate .brand { font-size: 17px; display: inline-block; margin-bottom: 26px; }
.gate h1 { font: 500 20px/1.3 var(--mono); margin: 0 0 10px; }
.gate p { color: var(--ink-soft); margin: 0 0 18px; }
.gate .btn { width: 100%; text-align: center; }
.gate input { width: 100%; flex: none; }
.gate .code { font: 600 24px/1 var(--mono); letter-spacing: .3em; text-align: center; }
.gate .alt { margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--rule); }
.gate .field { margin-top: 12px; }

/* ---- viewer ---- */

body.bare { height: 100dvh; display: flex; flex-direction: column; overflow: hidden; }

.viewbar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 11px 20px; border-bottom: 1px solid var(--rule);
  background: var(--raised); flex: none;
}
.viewbar .back { font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft); text-decoration: none; }
.viewbar .back:hover { color: var(--ink); }
.viewbar h1 {
  margin: 0; font: 500 14.5px/1.3 var(--mono);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.viewbar .accession {
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft);
  margin-left: auto; letter-spacing: .02em;
  display: flex; gap: 10px; align-items: baseline;
}
.viewbar .accession .ver { color: var(--accent); }
.viewbar .accession a { color: var(--ink-soft); }
.viewbar .accession a:hover { color: var(--ink); }

.stale {
  flex: none; padding: 9px 20px; font-size: 13.5px;
  background: var(--accent-bg); border-bottom: 1px solid var(--rule);
}

.stage { flex: 1 1 auto; min-height: 0; }
.stage iframe { display: block; width: 100%; height: 100%; border: 0; background: #fff; }

@media (max-width: 640px) {
  .entry { grid-template-columns: 1fr; gap: 8px 0; }
  .entry .accession { order: 2; margin-top: 10px; }
  .entry .body { order: 1; }
  .viewbar .accession { margin-left: 0; width: 100%; }
  .tokens form { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}