/*
 * The observatory. Spec §10: utilitarian, but this is the actual product of
 * M0, so it gets the polish budget.
 */

:root {
  --ink: #241f1a;
  --ink-soft: #6a6058;
  --ink-faint: #9a9088;
  --paper: #f6f2ea;
  --card: #fffdf8;
  --rule: #e3dbcd;
  --accent: #8a5a2b;
  --accent-soft: #c8a37a;
  --green: #4f7a4a;
  --amber: #c08422;
  --red: #b04a3a;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(60, 45, 25, .06), 0 6px 18px rgba(60, 45, 25, .05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ece5da;
    --ink-soft: #a49a8d;
    --ink-faint: #7d7368;
    --paper: #17150f;
    --card: #211d16;
    --rule: #38322a;
    --accent: #d9a468;
    --accent-soft: #7a5a34;
    --green: #7fae72;
    --amber: #d9a83f;
    --red: #d9705c;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 18px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 ui-serif, Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

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

h1, h2, h3 { line-height: 1.2; margin: 0; font-weight: 600; }
h1 { font-size: 1.75rem; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; letter-spacing: .01em; }
h3 { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-soft); font-weight: 600; }

.muted { color: var(--ink-faint); }
.hint { color: var(--ink-soft); font-size: .85rem; margin: .35rem 0 0; }

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

.masthead {
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--card) 70%, transparent);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.masthead .wrap { display: flex; align-items: center; gap: 24px; height: 58px; }

.wordmark {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: .04em;
  color: var(--ink);
  text-decoration: none;
}

.masthead nav { display: flex; gap: 16px; flex: 1; }

.nav-link {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: .9rem;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); border-bottom-color: var(--accent); }

.stamp {
  font: 500 .8rem ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--ink-soft);
  letter-spacing: .02em;
}

main { padding: 28px 24px 8px; }
.footnote { padding: 32px 24px 48px; color: var(--ink-faint); font-size: .82rem; }

/* ---- flash & titlebar -------------------------------------------------- */

.flash {
  margin: 16px 0 0;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--rule);
  background: var(--card);
  font-size: .9rem;
}
.flash--alert { border-color: color-mix(in srgb, var(--red) 40%, var(--rule)); color: var(--red); }

.titlebar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
  margin-top: 24px;
}
.subtitle { margin: .3rem 0 0; color: var(--ink-soft); font-size: .9rem; }

.controls { display: flex; flex-wrap: wrap; gap: 8px; }
.controls form { margin: 0; }

.btn {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: .85rem;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.btn:hover { border-color: var(--accent-soft); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff8ef; }
.btn--primary:hover { filter: brightness(1.08); }
.btn--ghost { background: transparent; box-shadow: none; color: var(--ink-soft); }

/* ---- the town ---------------------------------------------------------- */

.places {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.place {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px 6px;
  border-top: 3px solid var(--accent-soft);
}
.place--work { border-top-color: var(--amber); }
.place--pub { border-top-color: var(--accent); }
.place--transit { border-top-color: var(--rule); border-style: dashed; }

.place header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.kind { font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-faint); }
.place > p { margin: 12px 0 16px; font-size: .9rem; }

.folk { list-style: none; margin: 12px 0 0; padding: 0; }

.person { padding: 11px 0; border-top: 1px solid var(--rule); }
.person:first-child { border-top: 0; }
.person.is-asleep { opacity: .55; }

.person-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.person-name { font-weight: 600; text-decoration: none; color: var(--ink); }
.person-name:hover { color: var(--accent); }
.doing { font-size: .78rem; color: var(--ink-soft); text-align: right; }

.needs { display: grid; gap: 3px; margin-top: 7px; }
.need { display: grid; grid-template-columns: 46px 1fr 26px; align-items: center; gap: 8px; }
.need-label { font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); }
.need-track { height: 5px; border-radius: 3px; background: color-mix(in srgb, var(--rule) 70%, transparent); overflow: hidden; }
.need-fill { display: block; height: 100%; border-radius: 3px; background: var(--green); }
.need-fill.is-middling { background: var(--amber); }
.need-fill.is-low { background: var(--red); }
.need-value { font: .7rem ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--ink-faint); text-align: right; }

.needs--large .need { grid-template-columns: 60px 1fr 32px; }
.needs--large .need-track { height: 8px; }

/* ---- feeds ------------------------------------------------------------- */

.recent { margin-top: 32px; }
.recent h2 { margin-bottom: 10px; }

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

.event-row {
  display: flex;
  gap: 14px;
  padding: 9px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.event-row:first-child { border-top: 0; }

.event-time {
  flex: 0 0 auto;
  min-width: 58px;
  font: .78rem ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--ink-faint);
  text-decoration: none;
}
.event-time:hover { color: var(--accent); }
.feed--ledger .event-time { min-width: 110px; }
.event-day { color: var(--ink-soft); margin-right: 6px; }

.event-body { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.event-sentence { color: var(--ink); text-decoration: none; }
.event-sentence:hover { color: var(--accent); text-decoration: underline; }

.tag {
  font: .66rem/1.6 ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 1px 7px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  color: var(--ink-faint);
  white-space: nowrap;
}
.tag--encounter { border-color: var(--accent); color: var(--accent); }
.tag--action_failed { border-color: var(--red); color: var(--red); }
.tag--person_socialised { border-color: var(--accent-soft); color: var(--accent); }

.people-list { font-size: .78rem; color: var(--ink-faint); }
.people-list a { color: var(--ink-faint); }

.more { font-size: .9rem; }

/* ---- filters & paging -------------------------------------------------- */

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; align-items: center; }
.field {
  padding: 7px 10px;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: .85rem;
}
.filters input[type="submit"] { font-family: inherit; }
.pager { display: flex; gap: 8px; margin: 22px 0 0; }

/* ---- panels ------------------------------------------------------------ */

.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 16px; align-items: start; }

.panel {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.panel h2 { margin-bottom: 8px; }

.plain { list-style: none; margin: 10px 0 0; padding: 0; }
.plain li { padding: 5px 0; border-top: 1px solid var(--rule); font-size: .92rem; }
.plain li:first-child { border-top: 0; }

.payload {
  margin: 10px 0 0;
  padding: 12px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--paper) 70%, var(--card));
  border: 1px solid var(--rule);
  font: .78rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-x: auto;
}
code { font: .82rem ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--ink-soft); }

.causes { list-style: none; margin: 12px 0 0; padding: 0; }
.causes li {
  padding: 6px 0 6px calc(var(--depth) * 16px + 12px);
  border-left: 2px solid var(--rule);
  margin-left: calc(var(--depth) * 4px);
  font-size: .9rem;
}
.cause-time {
  display: inline-block;
  min-width: 108px;
  font: .74rem ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--ink-faint);
}

.spark { margin-top: 12px; }
.sparkline { width: 100%; height: 40px; display: block; margin-top: 4px; }
.sparkline polyline { stroke: var(--accent); }

/* ---- mood and ties ----------------------------------------------------- */

.mood {
  font: .64rem/1.6 ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  color: var(--ink-faint);
  white-space: nowrap;
}
.mood--cheerful { border-color: color-mix(in srgb, var(--green) 55%, var(--rule)); color: var(--green); }
.mood--grumpy { border-color: color-mix(in srgb, var(--red) 55%, var(--rule)); color: var(--red); }

/* ---- intentions -------------------------------------------------------- */

/* Same chip as a mood, because it is the same kind of fact about somebody --
   derived from their circumstances, and the reason the next hour goes as it
   does. */
.intent {
  font: .64rem/1.6 ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--rule));
  color: var(--accent);
  white-space: nowrap;
}

.intentions { list-style: none; margin: 12px 0 0; padding: 0; }
.intentions li { margin-bottom: 10px; }
.intentions .intent-what { display: block; font-weight: 600; }
.intentions .intent-since { display: block; color: var(--ink-faint); font-size: .86rem; }
.intentions--settled { margin-top: 8px; opacity: .7; }

.ties { list-style: none; margin: 12px 0 0; padding: 0; }
.ties li {
  display: grid;
  grid-template-columns: 74px 1fr 130px;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  border-top: 1px solid var(--rule);
}
.ties li:first-child { border-top: 0; }
.tie-who a { text-decoration: none; font-weight: 600; color: var(--ink); font-size: .92rem; }
.tie-who a:hover { color: var(--accent); }
.tie-standing { font-size: .76rem; color: var(--ink-soft); text-align: right; }

/* Where the last few hours together have been taking the number. */
.tie-drift { display: block; font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; }
.tie-drift--warming { color: var(--accent); }
.tie-drift--cooling { color: var(--ink-soft); }
.tie-drift--steady { color: var(--ink-faint); }

.rapport { display: grid; gap: 4px; }
.rapport-track {
  position: relative;
  height: 6px;
  border-radius: 3px;
  background: color-mix(in srgb, var(--rule) 70%, transparent);
  overflow: hidden;
}
.rapport-track--split { background:
  linear-gradient(to right, color-mix(in srgb, var(--rule) 70%, transparent) 0 calc(50% - 1px),
  var(--ink-faint) calc(50% - 1px) calc(50% + 1px),
  color-mix(in srgb, var(--rule) 70%, transparent) calc(50% + 1px) 100%); }
.rapport-known { display: block; height: 100%; border-radius: 3px; background: var(--accent-soft); }
.rapport-feeling { position: absolute; top: 0; height: 100%; border-radius: 3px; }
.rapport-feeling.is-sweet { background: var(--green); }
.rapport-feeling.is-sour { background: var(--red); }

.tag--argument { border-color: var(--red); color: var(--red); }
.tag--person_chatted { border-color: var(--accent-soft); color: var(--accent); }
.place--green { border-top-color: var(--green); }

/* ---- memory and belief ------------------------------------------------- */

.beliefs { list-style: none; margin: 12px 0 0; padding: 0; }
.beliefs li {
  display: grid;
  grid-template-columns: 74px 1fr auto;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  border-top: 1px solid var(--rule);
}
.beliefs li:first-child { border-top: 0; }
.belief-where { font-size: .9rem; }
.belief-when { font-size: .74rem; color: var(--ink-faint); text-align: right; white-space: nowrap; }
.tag--stale { border-color: var(--red); color: var(--red); margin-left: 6px; }

.recall {
  display: inline-block;
  position: relative;
  width: 44px;
  height: 4px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--rule) 70%, transparent);
  overflow: hidden;
  vertical-align: middle;
}
.recall-fill { display: block; height: 100%; border-radius: 2px; background: var(--accent-soft); }
.event-row.is-forgotten { opacity: .45; }
.event-row.is-forgotten .recall-fill { background: var(--ink-faint); }

.empty { text-align: center; padding: 64px 0; }
.empty p { color: var(--ink-soft); max-width: 34rem; margin: 12px auto 24px; }
.empty form { display: inline-block; }