/* Unfiltered: the look of the team's other apps - FARO navy across the top,
   royal blue for what you can click, cool greys - around one column of posts,
   set for reading. */

:root {
  --font: -apple-system, BlinkMacSystemFont, Inter, system-ui, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease-out: cubic-bezier(.2, 0, 0, 1);
  --r-lg: 8px;
  --r-md: 6px;
  --r-sm: 4px;

  color-scheme: light;
  --bg: #f1f4f6;
  --band: linear-gradient(120deg, #01426a 0%, #003353 55%, #081e2e 100%);
  --surface: #ffffff;
  --field: #f1f4f6;
  --field-hover: #e4e9ed;
  --hover: rgba(1, 66, 106, .05);
  --border: #d9e0e5;
  --divider: #e6ebef;
  --text: #2f3234;
  --text-2: #52595d;
  --text-3: #7d868b;
  --heading: #01426a;
  --shadow: 0 1px 2px rgba(8, 30, 46, .12), 0 2px 6px rgba(8, 30, 46, .08);
  --beam: rgba(255, 255, 255, .09);

  --primary: #3455db;
  --primary-hover: #2945c2;
  --on-primary: #ffffff;
  --primary-tint: #e9edfb;
  --primary-ink: #2945c2;
  --danger: #c62828;
  --danger-tint: #fdecea;
  --danger-ink: #b71c1c;
  --anon: #52595d;
  --code-bg: #f1f4f6;
  --quote: #c9d3db;
  --flash: rgba(52, 85, 219, .14);
  --snack: #081e2e;
  --snack-ink: #ffffff;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #081e2e;
  --surface: #0d2738;
  --field: #113047;
  --field-hover: #173b55;
  --hover: rgba(255, 255, 255, .05);
  --border: #1d4059;
  --divider: #183850;
  --text: #e8eef3;
  --text-2: #a3b5c2;
  --text-3: #7d91a0;
  --heading: #ffffff;
  --shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 2px 6px rgba(0, 0, 0, .25);
  --beam: rgba(255, 255, 255, .06);

  --primary-hover: #4666e6;
  --primary-tint: rgba(52, 85, 219, .24);
  --primary-ink: #9db0ff;
  --danger: #f28b82;
  --danger-tint: rgba(242, 139, 130, .14);
  --danger-ink: #f28b82;
  --anon: #3a5568;
  --code-bg: #081e2e;
  --quote: #2b5170;
  --flash: rgba(157, 176, 255, .16);
  --snack: #e8eef3;
  --snack-ink: #081e2e;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color .2s;
}

button, input, textarea { font: inherit; color: inherit; }
button { -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.i { width: 18px; height: 18px; flex: none; }

/* ------------------------------------------------------------ backdrop */

body::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 236px;
  background: var(--band);
}

.backdrop { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }

.beam {
  position: absolute;
  top: -8vh;
  left: var(--x);
  width: 100vmax;
  height: 145vh;
  margin-left: -50vmax;
  transform-origin: 50% 0;
  background: conic-gradient(from 167deg at 50% 0%, transparent 0deg, var(--beam) 10deg, var(--beam) 16deg, transparent 26deg, transparent 360deg);
  -webkit-mask-image: linear-gradient(to bottom, #000, rgba(0, 0, 0, .5) 45%, transparent 85%);
  mask-image: linear-gradient(to bottom, #000, rgba(0, 0, 0, .5) 45%, transparent 85%);
  animation: sweep var(--t) ease-in-out var(--d) infinite alternate;
  will-change: transform;
}

@keyframes sweep {
  from { transform: rotate(var(--a)); }
  to { transform: rotate(var(--b)); }
}

.b1 { --x: 8%; --a: 4deg; --b: -42deg; --t: 17s; --d: -3s; }
.b2 { --x: 36%; --a: 28deg; --b: -22deg; --t: 21s; --d: -9s; }
.b3 { --x: 66%; --a: -26deg; --b: 22deg; --t: 19s; --d: -5s; }
.b4 { --x: 94%; --a: -4deg; --b: 44deg; --t: 23s; --d: -12s; }

.shell {
  position: relative;
  z-index: 1;
  max-width: 1480px;
  margin: 0 auto;
  padding: 16px clamp(16px, 3vw, 32px) 48px;
}

/* ------------------------------------------------------------ top bar */

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 4px 0 18px; }

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.logo {
  width: 40px; height: 40px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #fff;
}

.logo svg { width: 26px; height: 26px; }

.brand-text { min-width: 0; }
.brand-text h1 { margin: 0; font-size: 18px; font-weight: 700; letter-spacing: .01em; line-height: 1.2; color: #fff; }
.brand-text p { margin: 2px 0 0; font-size: 13px; color: rgba(255, 255, 255, .72); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.toolbar { display: flex; align-items: center; gap: 4px; }
.toolbar-sep { width: 1px; height: 20px; margin: 0 6px; background: rgba(255, 255, 255, .3); }

.live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, .1);
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
}

.live i { width: 8px; height: 8px; border-radius: 50%; background: #81c995; }
.live.off i { background: #9aa8b2; }

.icon-btn {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: rgba(255, 255, 255, .85);
  cursor: pointer;
  transition: background .15s, color .15s;
}

.icon-btn:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.icon-btn .i { width: 20px; height: 20px; }

/* ------------------------------------------------------------ column */

.column { display: flex; flex-direction: column; gap: 16px; max-width: 760px; margin: 0 auto; }

.card {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

/* ------------------------------------------------------------ composer */

.composer { display: flex; flex-direction: column; padding: 8px 0 0; scroll-margin-top: 16px; }

.editing-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 4px 16px 6px;
  padding: 8px 12px;
  border-radius: var(--r-md);
  background: var(--primary-tint);
  color: var(--primary-ink);
  font-size: 13px;
  font-weight: 600;
}

.title-field {
  width: 100%;
  padding: 10px 20px 4px;
  border: 0;
  background: transparent;
  font-size: 18px;
  font-weight: 700;
  color: var(--heading);
}

.title-field::placeholder { color: var(--text-3); font-weight: 600; }
.title-field:focus { outline: none; }

.write { position: relative; }

.write textarea {
  display: block;
  width: 100%;
  min-height: 112px;
  max-height: 70vh;
  padding: 8px 20px 12px;
  border: 0;
  background: transparent;
  font-size: 15px;
  line-height: 1.6;
  resize: none;
  overflow-y: auto;
}

.write textarea::placeholder { color: var(--text-3); }
.write textarea:focus { outline: none; }

.composer:focus-within { border-color: color-mix(in srgb, var(--primary) 55%, var(--border)); }

.preview { min-height: 112px; padding: 8px 20px 12px; }
.preview.empty-preview { color: var(--text-3); }

.tools {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
  border-top: 1px solid var(--divider);
  font-size: 12.5px;
  color: var(--text-3);
}

.tabs { display: flex; gap: 2px; }

.tab {
  height: 28px;
  padding: 0 10px;
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--text-2);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}

.tab:hover { background: var(--hover); }
.tab[aria-selected="true"] { background: var(--field); color: var(--text); }

.hint { flex: 1; min-width: 0; font-family: var(--mono); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.count { font-variant-numeric: tabular-nums; }
.count.near { color: var(--danger-ink); font-weight: 600; }

.sign {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--divider);
}

.seg {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--field);
}

.seg button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, color .15s, box-shadow .15s;
}

.seg button .i { width: 16px; height: 16px; }
.seg button:hover { color: var(--text); }
.seg button[aria-checked="true"] { background: var(--surface); color: var(--primary-ink); box-shadow: var(--shadow); }

.name-field {
  flex: 1 1 160px;
  min-width: 0;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: 14px;
}

.name-field:hover { border-color: var(--text-3); }
.name-field:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.name-field.bad { border-color: var(--danger); box-shadow: 0 0 0 1px var(--danger); }

.spacer { flex: 1; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--r-sm);
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
  white-space: nowrap;
}

.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: .6; cursor: default; }
#postLabel { min-width: 0; overflow: hidden; text-overflow: ellipsis; max-width: 280px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 10px;
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.btn-ghost:hover { background: var(--hover); color: var(--text); }
.btn-ghost .i { width: 16px; height: 16px; }
.editing-bar .btn-ghost { color: inherit; height: 28px; }

.form-error { margin: 0; padding: 0 16px 12px; color: var(--danger-ink); font-size: 13px; }
.form-error:empty { display: none; }

/* ------------------------------------------------------------ posts */

.feed { display: flex; flex-direction: column; gap: 16px; }

.post { padding: 18px 20px 6px; scroll-margin-top: 16px; }

.post.fresh { animation: arrive .9s var(--ease-out); }

@keyframes arrive {
  from { box-shadow: 0 0 0 3px var(--flash), var(--shadow); transform: translateY(-6px); opacity: .4; }
  to { box-shadow: 0 0 0 3px transparent, var(--shadow); transform: none; opacity: 1; }
}

.post.linked { border-color: var(--primary); box-shadow: 0 0 0 3px var(--flash), var(--shadow); }

.post-head { display: flex; align-items: center; gap: 12px; min-width: 0; }

.avatar {
  width: 36px; height: 36px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--c);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.avatar.anon { background: var(--anon); color: #fff; }
.avatar.anon .i { width: 22px; height: 22px; }

.who { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.who .name { font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.who .name.anon { color: var(--text-2); }
.who .meta { font-size: 12.5px; color: var(--text-3); }
.who .meta a { color: inherit; text-decoration: none; }
.who .meta a:hover { color: var(--primary-ink); text-decoration: underline; text-underline-offset: 2px; }

.mine {
  flex: none;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--primary-tint);
  color: var(--primary-ink);
  font-size: 11.5px;
  font-weight: 700;
}

.post-title { margin: 14px 0 0; font-size: 20px; font-weight: 700; line-height: 1.3; color: var(--heading); overflow-wrap: anywhere; }

.post-body { position: relative; margin-top: 8px; }
.post-body.clamped { max-height: 360px; overflow: hidden; }
.post-body.clamped::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 96px;
  background: linear-gradient(to bottom, transparent, var(--surface));
  pointer-events: none;
}

.read-more {
  margin: 6px 0 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--primary-ink);
  font-weight: 600;
  cursor: pointer;
}

.read-more:hover { text-decoration: underline; text-underline-offset: 3px; }

.post-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  margin: 14px -10px 0;
  padding: 6px 0;
  border-top: 1px solid var(--divider);
}

.post-foot .spacer { flex: 1; }
.post-foot .danger { color: var(--danger-ink); }
.post-foot .danger:hover { background: var(--danger-tint); }
.ask { display: inline-flex; align-items: center; gap: 4px; margin-left: 6px; font-size: 13px; color: var(--text-2); }
.ask .yes { background: var(--danger); color: #fff; }
.ask .yes:hover { background: var(--danger); filter: brightness(1.08); color: #fff; }
:root[data-theme="dark"] .ask .yes { color: #081e2e; }

.empty {
  margin: 0;
  padding: 40px 20px;
  border: 1.5px dashed color-mix(in srgb, var(--text-3) 45%, var(--border));
  border-radius: var(--r-lg);
  text-align: center;
  color: var(--text-3);
  font-size: 14px;
}

.loading { padding: 24px; text-align: center; color: var(--text-3); }

.more {
  align-self: center;
  height: 40px;
  padding: 0 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--primary-ink);
  font-weight: 600;
  cursor: pointer;
}

.more:hover { background: var(--field); }
.more:disabled { opacity: .6; cursor: default; }

/* ------------------------------------------------------------ the text of a post */

.md { font-size: 15px; line-height: 1.65; color: var(--text); overflow-wrap: anywhere; }
.md > :first-child { margin-top: 0; }
.md > :last-child { margin-bottom: 0; }
.md p { margin: 0 0 12px; }
.md h3, .md h4, .md h5 { margin: 20px 0 8px; line-height: 1.3; color: var(--heading); }
.md h3 { font-size: 18px; }
.md h4 { font-size: 16px; }
.md h5 { font-size: 15px; }
.md ul, .md ol { margin: 0 0 12px; padding-left: 24px; }
.md li { margin: 2px 0; }
.md blockquote { margin: 0 0 12px; padding: 2px 0 2px 14px; border-left: 3px solid var(--quote); color: var(--text-2); }
.md code { padding: 1px 5px; border-radius: var(--r-sm); background: var(--code-bg); font: 13px/1.5 var(--mono); }
.md pre { margin: 0 0 12px; padding: 12px 14px; border-radius: var(--r-md); background: var(--code-bg); overflow-x: auto; }
.md pre code { padding: 0; background: none; font-size: 13px; overflow-wrap: normal; white-space: pre; }
.md a { color: var(--primary-ink); text-underline-offset: 2px; }
.md hr { margin: 16px 0; border: 0; border-top: 1px solid var(--divider); }

/* ------------------------------------------------------------ toasts */

.toasts { position: fixed; left: 50%; bottom: 24px; z-index: 10; display: flex; flex-direction: column; gap: 8px; transform: translateX(-50%); pointer-events: none; }

.toast {
  padding: 10px 16px;
  border-radius: var(--r-sm);
  background: var(--snack);
  color: var(--snack-ink);
  font-size: 13.5px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .25);
  animation: toast-in .2s var(--ease-out);
}

.toast.bad { background: var(--danger); color: #fff; }

@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

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

/* ------------------------------------------------------------ small screens */

@media (max-width: 560px) {
  .brand-text p { display: none; }
  .live span { display: none; }
  .live { width: 32px; justify-content: center; padding: 0; }
  .toolbar-sep { display: none; }
  .hint { display: none; }
  .tools { justify-content: space-between; }
  .sign { padding: 12px; }
  .seg { flex: 1 1 100%; }
  .seg button { flex: 1; justify-content: center; }
  .name-field { flex-basis: 100%; }
  .sign .btn-primary { flex: 1 1 100%; }
  .post { padding: 16px 14px 4px; }
  .post-foot { margin: 12px -6px 0; }
  .title-field { padding: 10px 14px 4px; }
  .write textarea, .preview { padding: 8px 14px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .beam { animation: none; }
  .post.fresh { animation: none; }
}