:root {
  --ink: #17222b;
  --muted: #65717a;
  --paper: #f7f7f3;
  --surface: #ffffff;
  --line: #d9ddd9;
  --teal: #0d6b69;
  --teal-soft: #dceceb;
  --coral: #c94f3d;
  --gold: #b68a2e;
  --blue: #315f8c;
  --radius: 6px;
}

* { box-sizing: border-box; }

html { color-scheme: light; }

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(23, 34, 43, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 34, 43, 0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  font-family: "IBM Plex Sans", sans-serif;
  letter-spacing: 0;
}

a { color: inherit; }
button, input, select { font: inherit; letter-spacing: 0; }
button, select { cursor: pointer; }

.masthead {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
}

.masthead__inner, main, .page-footer {
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto;
}

.masthead__inner {
  min-height: 82px;
  display: grid;
  grid-template-columns: auto minmax(240px, 620px) auto;
  align-items: center;
  gap: 24px;
}

.identity {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.identity__portrait {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--surface);
  box-shadow: 0 0 0 1px var(--line);
  object-fit: cover;
}

.identity span { display: grid; gap: 1px; }
.identity strong { font-family: "Newsreader", serif; font-size: 21px; }
.identity small, .masthead__range { color: var(--muted); font-size: 13px; }
.masthead__range { font-family: "IBM Plex Mono", monospace; }
.masthead__bio { color: var(--muted); font-size: 13px; line-height: 1.45; margin: 0; }
.masthead__bio a { color: var(--teal); font-weight: 500; text-underline-offset: 2px; }

main { padding: 54px 0 72px; }

.overview {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(420px, 0.65fr);
  gap: 64px;
  align-items: start;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--ink);
}

.overview__social-card {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.eyebrow {
  color: var(--coral);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  margin: 0 0 9px;
}

h1, h2 { font-family: "Newsreader", serif; font-weight: 600; margin: 0; }
h1 { font-size: clamp(36px, 4.5vw, 60px); line-height: 1; max-width: 850px; }
h2 { font-size: 30px; line-height: 1.05; }

.lede {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.minibook-feature {
  display: grid;
  grid-template-columns: 130px minmax(190px, .7fr) minmax(280px, 1.3fr) auto;
  align-items: center;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
}

.minibook-feature__label {
  color: var(--coral);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
}

.minibook-feature strong { font-family: "Newsreader", serif; font-size: 24px; }
.minibook-feature__summary { color: var(--muted); font-size: 13px; line-height: 1.45; }
.minibook-feature__action { color: var(--teal); font-size: 13px; font-weight: 600; }
.minibook-feature:hover strong, .minibook-feature:hover .minibook-feature__action { color: var(--coral); }

.timeline-section { padding: 42px 0 48px; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.text-button { border: 0; padding: 6px 0; color: var(--teal); background: transparent; }

.timeline {
  height: 176px;
  display: grid;
  grid-template-columns: repeat(13, minmax(42px, 1fr));
  gap: 8px;
  align-items: end;
}

.year-bar {
  border: 0;
  background: transparent;
  padding: 0;
  height: 100%;
  display: grid;
  grid-template-rows: 20px 1fr 24px;
  align-items: end;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
}

.year-bar__count { opacity: 0; transition: opacity 140ms ease; }
.year-bar__column { display: flex; flex-direction: column-reverse; width: 100%; min-height: 4px; overflow: hidden; transition: transform 140ms ease; transform-origin: bottom; }
.year-bar__segment { display: block; flex-basis: 0; min-height: 1px; }
.year-bar:hover .year-bar__count, .year-bar:focus-visible .year-bar__count { opacity: 1; }
.year-bar:hover .year-bar__column, .year-bar:focus-visible .year-bar__column { transform: scaleY(1.03); }
.year-bar.is-active .year-bar__column { outline: 2px solid var(--ink); outline-offset: 2px; }
.year-bar.is-active { color: var(--ink); font-weight: 500; }
.timeline-legend { display: flex; flex-wrap: wrap; gap: 7px 15px; margin-top: 18px; color: var(--muted); font: 10px "IBM Plex Mono", monospace; }
.timeline-legend__item { display: inline-flex; align-items: center; gap: 5px; }
.timeline-legend__item i { width: 8px; height: 8px; flex: 0 0 8px; }

.explorer { padding-top: 48px; }
.explorer__heading { margin-bottom: 20px; }
.reset-button { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: var(--radius); padding: 8px 12px; }
.reset-button:hover { border-color: var(--ink); }

.filter-panel {
  display: grid;
  grid-template-columns: minmax(260px, 2.2fr) repeat(7, minmax(110px, 1fr));
  gap: 10px;
  padding: 16px;
  background: var(--ink);
  border-radius: var(--radius);
}

.filter-panel label { min-width: 0; display: grid; gap: 6px; }
.filter-panel label > span { color: #b9c3c9; font-size: 10px; text-transform: uppercase; font-family: "IBM Plex Mono", monospace; }
.filter-panel input, .filter-panel select {
  width: 100%;
  height: 40px;
  border: 1px solid #42505b;
  border-radius: 4px;
  background: #22313b;
  color: #fff;
  padding: 0 10px;
  outline: none;
}
.filter-panel input:focus, .filter-panel select:focus { border-color: #7cc5bf; box-shadow: 0 0 0 2px rgba(124, 197, 191, 0.2); }
.filter-panel input::placeholder { color: #9aa7af; }

.active-filters { min-height: 46px; display: flex; align-items: center; gap: 7px; flex-wrap: wrap; padding: 10px 0; }
.loading-publications { color: var(--muted); padding: 24px 0; }
.filter-chip { border: 1px solid #a9c9c6; background: var(--teal-soft); color: #174d4c; border-radius: 999px; padding: 5px 9px; font-size: 12px; }

.results { border-top: 1px solid var(--ink); }
.publication {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.publication__date { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); padding-top: 4px; }
.publication__title { color: var(--ink); font-family: "Newsreader", serif; font-size: 24px; font-weight: 600; line-height: 1.15; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.publication__title:hover { color: var(--teal); }
.publication__summary { color: var(--muted); margin: 9px 0 0; line-height: 1.5; font-size: 14px; max-width: 880px; }
.publication__meta { display: flex; align-content: flex-start; justify-content: flex-end; gap: 6px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 6px; min-height: 25px; border: 1px solid var(--line); border-radius: 3px; padding: 3px 7px; font-size: 11px; background: var(--surface); }
.badge--database { color: var(--teal); border-color: #9fc9c6; }
.badge--version { color: var(--coral); border-color: #e2b4aa; }
.badge--category { color: var(--blue); border-color: #b5c8dc; }
.badge--source { color: #735b21; border-color: #d8c58e; }
.source-logo { display: inline-grid; flex: 0 0 auto; height: 14px; place-items: center; position: relative; width: 20px; color: #fff; font-family: "IBM Plex Sans", sans-serif; font-size: 7px; font-style: normal; font-weight: 600; line-height: 1; }
.source-logo--dbi-services { width: 28px; background: url("../2013-2018/wp-insides/uploads/sites/2/2015/02/dbi-services.png") center / contain no-repeat; }
.source-logo--dev\.to { border-radius: 2px; background: #0a0a0a; }
.source-logo--dev\.to::before { content: "DEV"; }
.source-logo--medium { border-radius: 50%; background: #111; font-family: "Newsreader", serif; font-size: 12px; }
.source-logo--medium::before { content: "M"; }
.source-logo--yugabyte { border-radius: 50%; background: #f05a28; font-size: 7px; }
.source-logo--yugabyte::before { content: "YB"; }
.source-logo--microsoft-techcommunity { display: block; height: 14px; width: 14px; }
.source-logo--microsoft-techcommunity::before { background: #f25022; box-shadow: 8px 0 #7fba00, 0 8px #00a4ef, 8px 8px #ffb900; content: ""; height: 6px; left: 0; position: absolute; top: 0; width: 6px; }
.database-logo { display: inline-grid; flex: 0 0 16px; width: 16px; height: 16px; place-items: center; }
.database-logo img { display: block; width: 16px; height: 16px; object-fit: contain; }
.database-logo--fallback { border-radius: 50%; background: #66747d; color: #fff; font-size: 6px; font-weight: 600; line-height: 1; }
.database-logo--fallback::before { content: "DB"; }
.snapshot-link { color: var(--muted); font-size: 11px; padding: 4px 2px; }

.empty-state { text-align: center; padding: 70px 20px; border-bottom: 1px solid var(--line); }
.empty-state span { display: block; color: var(--muted); margin-top: 6px; }
.load-more { display: block; margin: 28px auto 0; border: 1px solid var(--ink); border-radius: var(--radius); padding: 10px 22px; color: var(--ink); background: var(--surface); }
.load-more:hover { color: #fff; background: var(--ink); }

.page-footer { min-height: 90px; border-top: 1px solid var(--ink); display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 12px; }
.page-footer span { margin-right: auto; }

@media (max-width: 1180px) {
  .masthead__inner { grid-template-columns: auto minmax(220px, 1fr); }
  .masthead__range { display: none; }
  .overview { grid-template-columns: 1fr; gap: 36px; }
  .overview__social-card { max-width: 760px; }
  .filter-panel { grid-template-columns: repeat(4, 1fr); }
  .search-field { grid-column: span 2; }
  .publication { grid-template-columns: 90px minmax(0, 1fr); }
  .publication__meta { grid-column: 2; justify-content: flex-start; }
}

@media (max-width: 720px) {
  .minibook-feature { grid-template-columns: 1fr auto; gap: 5px 16px; }
  .minibook-feature__label, .minibook-feature__summary { grid-column: 1 / -1; }
  .minibook-feature__action { grid-column: 2; grid-row: 2; }
  .masthead__inner, main, .page-footer { width: min(100% - 24px, 1440px); }
  .masthead__inner { grid-template-columns: 1fr; }
  .masthead__bio { display: none; }
  .masthead__range { display: none; }
  main { padding-top: 36px; }
  h1 { font-size: 40px; }
  .overview { padding-bottom: 32px; }
  .timeline { height: auto; grid-template-columns: repeat(4, 1fr); align-items: stretch; }
  .year-bar { height: 72px; grid-template-rows: 16px 1fr 20px; }
  .filter-panel { grid-template-columns: 1fr 1fr; }
  .search-field { grid-column: 1 / -1; }
  .publication { grid-template-columns: 1fr; gap: 10px; padding: 20px 0; }
  .publication__meta { grid-column: 1; }
  .publication__title { font-size: 22px; }
  .page-footer { align-items: flex-start; flex-wrap: wrap; padding: 24px 0; }
  .page-footer span { width: 100%; }
}

@media (max-width: 430px) {
  .filter-panel { grid-template-columns: 1fr; }
  .search-field { grid-column: 1; }
  .timeline { grid-template-columns: repeat(3, 1fr); }
}