/* Mettakin: an app, not an article. Hacker News density, btop boxes, TradingView side panels. */

:root {
  color-scheme: light dark;
  --bg: #f1eadc;
  --panel: #fbf7ef;
  --line: #dfd1b7;
  --fg: #2a2218;
  --dim: #7d6c55;
  --accent: #a2600e;
  --on-accent: #fffaf0;
  --heart: #b8465a;
  --sans: Verdana, "DejaVu Sans", "Segoe UI", sans-serif;
  --mono: ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  --serif: "Iowan Old Style", Charter, "Bitstream Charter", Cambria, Georgia, serif;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15110d;
    --panel: #1f1913;
    --line: #3a3027;
    --fg: #ece2cf;
    --dim: #a08f76;
    --accent: #e0a040;
    --on-accent: #1a140e;
    --heart: #e06a7e;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); overflow-wrap: anywhere; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
p { margin: 0 0 .7rem; }
ul { margin: 0; padding: 0; list-style: none; }
h1 { font-size: 1.35rem; line-height: 1.3; margin: 0 0 .3rem; }

/* Hidden without display:none, which some Safari versions refuse to draw <use> icons from. */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.i {
  width: 1em;
  height: 1em;
  fill: currentColor;
  shape-rendering: crispEdges;
  vertical-align: -.12em;
  flex: none;
}

.mono, .meta, .label, .panel-head, .count { font-family: var(--mono); }
.meta { font-size: .72rem; color: var(--dim); display: flex; flex-wrap: wrap; gap: .15rem .7rem; align-items: center; }
.meta span { display: inline-flex; gap: .3rem; align-items: center; }
.dim { color: var(--dim); }

/* App bar */
.bar {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem max(.7rem, calc((100% - 72rem) / 2 + .7rem));
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .45rem; font-weight: bold; color: var(--fg); margin-right: auto; }
.brand:hover { text-decoration: none; }
.brand .i { width: 1.4rem; height: 1.4rem; color: var(--accent); animation: breathe 5s ease-in-out infinite; }
.bar form { display: inline; margin: 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .75rem;
  font: inherit;
  font-size: .85rem;
  line-height: 1.2;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn:hover .i { transform: translateY(-1px); }
.btn.primary { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { border-color: transparent; }
.btn.ghost:hover { border-color: var(--line); }
.btn.heart .i { color: var(--heart); }
.btn.heart.on { border-color: var(--heart); color: var(--heart); }
.btn.heart.on .i { animation: pop .35s ease-out; }
.btn.big { font-size: .95rem; padding: .55rem 1rem; }
.btn .i { transition: transform .15s; }

@media (max-width: 40rem) {
  .bar .btn.ghost .label-text { display: none; }
  .bar .btn { padding: .4rem .55rem; }
}
@media (max-width: 24rem) {
  .brand-name { display: none; }
}

/* Layout */
.page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 17rem;
  gap: .8rem;
  max-width: 72rem;
  margin: 0 auto;
  padding: .8rem;
  align-items: start;
}
.page.single { grid-template-columns: minmax(0, 34rem); justify-content: center; }
.main, .side { display: flex; flex-direction: column; gap: .8rem; min-width: 0; }
@media (max-width: 52rem) { .page { grid-template-columns: minmax(0, 1fr); } }

/* Boxes */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }
.panel-head {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .75rem;
  border-bottom: 1px solid var(--line);
  font-size: .72rem;
  color: var(--dim);
}
.panel-head strong { color: var(--accent); font-weight: normal; margin-right: auto; }
.panel-body { padding: .75rem; }
.tabs { display: flex; gap: .2rem; }
.tabs a { padding: .1rem .45rem; border-radius: 3px; color: var(--dim); display: inline-flex; gap: .3rem; align-items: center; }
.tabs a.on { background: var(--bg); color: var(--fg); }
.tabs a:hover { text-decoration: none; color: var(--fg); }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-top: .75rem;
}

.pagination a,
.pagination span {
  padding: .35rem .6rem;
  border: 1px solid var(--line);
  color: var(--dim);
  text-decoration: none;
  font-size: .72rem;
}

.pagination a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* First visit */
.intro { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; padding: .75rem; }
.intro p { margin: 0; flex: 1 1 16rem; }
.how { padding: 0 .75rem .7rem; font-size: .85rem; color: var(--dim); }
/* Safari ignores flex on <summary>, so it stays a plain block. */
.how summary { cursor: pointer; color: var(--accent); font-family: var(--mono); font-size: .75rem; list-style: none; display: block; }
.how summary .i { margin-right: .35rem; }
.how summary::-webkit-details-marker { display: none; }
.how ol { margin: .5rem 0 0; padding-left: 1.2rem; }

/* Rows, like a news list */
.row { display: flex; gap: .7rem; padding: .6rem .75rem; border-bottom: 1px solid var(--line); }
.row:last-child { border-bottom: 0; }
.row-main { min-width: 0; flex: 1; }
.row-title { display: block; color: var(--fg); font-weight: bold; font-size: .95rem; line-height: 1.35; }
.row-title:hover { color: var(--accent); text-decoration: none; }
.row-excerpt { color: var(--dim); font-size: .85rem; margin: .15rem 0 .3rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.vote { margin: 0; }
.vote .btn { flex-direction: column; gap: .1rem; padding: .3rem .45rem; font-family: var(--mono); font-size: .72rem; min-width: 2.6rem; }
.empty { padding: 1rem .75rem; color: var(--dim); }

/* Reading */
.story { padding: 1rem 1.1rem; }
.story .body { font-family: var(--serif); font-size: 1.12rem; line-height: 1.75; margin: 1rem 0; max-width: 40rem; }
.crumb { font-family: var(--mono); font-size: .75rem; display: inline-flex; gap: .35rem; align-items: center; margin-bottom: .6rem; }
.toolbar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; padding: .7rem 1.1rem; border-top: 1px solid var(--line); }
.toolbar .hint { font-size: .75rem; color: var(--dim); margin-left: auto; }
.chips { display: flex; flex-wrap: wrap; gap: .35rem; }
.chip { font-family: var(--mono); font-size: .72rem; padding: .1rem .45rem; border: 1px solid var(--line); border-radius: 999px; color: var(--fg); background: var(--bg); }
.chip:hover { border-color: var(--accent); text-decoration: none; }
.chip .n { color: var(--dim); margin-left: .2rem; }
.side h3 { font-family: var(--mono); font-size: .7rem; font-weight: normal; color: var(--dim); margin: .6rem 0 .35rem; }
.side h3:first-child { margin-top: 0; }
.list { margin-bottom: .6rem; }
.list li { display: flex; justify-content: space-between; gap: .5rem; font-size: .85rem; padding: .15rem 0; }
.count { color: var(--dim); font-size: .75rem; }
.care { border-color: var(--heart); }
.care .panel-head strong { color: var(--heart); }
.side .panel-body p { font-size: .85rem; }

/* Forms */
.form > div { margin-bottom: 1rem; }
label { display: block; margin-bottom: .25rem; font-weight: bold; font-size: .88rem; }
.form ul label, .form label:has(input[type="checkbox"]) { font-weight: normal; }
.form ul li { margin: .2rem 0; }
.form fieldset { border: 0; padding: 0; margin: 0; }
.form fieldset label { font-weight: normal; }
.form legend { padding: 0; margin-bottom: .25rem; font-weight: bold; font-size: .88rem; }
.helptext { display: block; color: var(--dim); font-size: .78rem; margin-top: .15rem; }
input[type="text"], input[type="password"], textarea {
  width: 100%;
  padding: .5rem .55rem;
  font: inherit;
  /* 16px or more, or iPhone zooms the whole page in when you tap a field. */
  font-size: max(16px, 1em);
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
}
textarea { min-height: 13rem; font-family: var(--serif); font-size: max(16px, 1.05rem); line-height: 1.6; }
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
input[type="radio"], input[type="checkbox"] { accent-color: var(--accent); }
.errorlist { color: var(--heart); font-size: .8rem; }
.tips li { font-size: .82rem; color: var(--dim); padding: .15rem 0; }

.foot {
  max-width: 72rem;
  margin: 1rem auto 2rem;
  padding: 0 .8rem;
  font-size: .75rem;
  color: var(--dim);
  display: flex;
  flex-wrap: wrap;
  gap: .3rem 1rem;
}

/* Motion: small, only on icons, and never for people who ask for less. */
@keyframes breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.12); } }
@keyframes pop { 0% { transform: scale(1); } 50% { transform: scale(1.4); } 100% { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}