:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --fg: #1c2230;
  --muted: #5d6676;
  --faint: #8d96a5;
  --line: #e2e5ea;
  --line-strong: #cfd4dc;
  --chip: #eef1f5;
  --chip-on: #1c2230;
  --chip-on-fg: #ffffff;
  --accent: #15803d;
  --accent-hover: #166534;
  --accent-soft: #e9f6ee;
  --accent-line: #9ed4b1;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --focus: #2563eb;
  --series-1: #2a78d6;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --shadow-pop: 0 12px 32px rgba(16, 24, 40, .16);
  --radius: 12px;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216; --panel: #171b21; --fg: #e6e9ee; --muted: #a7b0be; --faint: #6f7887;
    --line: #2a3038; --line-strong: #3a414b; --chip: #232931; --chip-on: #e6e9ee; --chip-on-fg: #111418;
    --accent: #1f9d55; --accent-hover: #23b15f; --accent-soft: #13291c; --accent-line: #2f6b45;
    --danger: #f97066; --danger-soft: #3a1714; --focus: #60a5fa; --series-1: #3987e5;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4); --shadow-pop: 0 12px 32px rgba(0, 0, 0, .55);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { font-size: 15px; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.45;
  font-variant-numeric: tabular-nums;
}
body.noscroll { overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
code { font-family: var(--mono); font-size: .85em; }
.hint { color: var(--muted); font-weight: 400; font-size: .87rem; }

input[type=text], input[type=search], input[type=number], input[type=date], select {
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: 8px;
  padding: 6px 10px; min-height: 36px; font-size: .95rem; color: var(--fg);
}
input[type=number] { width: 7em; }
input::placeholder { color: var(--faint); }

/* ---------------------------------------------------------------- header + tabs */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
.brand span { color: var(--accent); }
.status { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .87rem; flex-wrap: wrap; }
.status b { color: var(--fg); }

main { max-width: 1100px; margin: 0 auto; padding: 18px 20px 80px; }

.welcome {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px;
  background: var(--accent-soft); border: 1px solid var(--accent-line); border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 16px; font-size: .95rem;
}
.welcome ol { margin: 6px 0 0; padding-left: 20px; }
.welcome li { margin: 2px 0; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 18px; flex-wrap: wrap; }
.tabs button {
  border: 0; background: none; padding: 10px 16px; font-size: 1rem; font-weight: 600; color: var(--muted);
  border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.tabs button:hover { color: var(--fg); }
.tabs button[aria-selected=true] { color: var(--fg); border-bottom-color: var(--accent); }
.tabs-gap { flex: 1; }

/* ---------------------------------------------------------------- dataset head + examples */
.ds-head { margin-bottom: 12px; }
.ds-title { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
h1 { font-size: 1.6rem; margin: 0; letter-spacing: -.01em; }
.lede { color: var(--muted); margin: 4px 0 0; font-size: 1rem; }
.back { margin-bottom: 6px; font-size: .9rem; }
.start-over { margin-left: auto; }
.clear-all { margin-left: auto; font-size: .88rem; font-weight: 400; }

.examples {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 14px 0 16px;
}
.ex-label { color: var(--muted); font-size: .88rem; margin-right: 2px; }
.ex-break { flex-basis: 100%; height: 0; }
.example {
  border: 1px solid var(--accent-line); background: var(--accent-soft); color: var(--fg); border-radius: 999px;
  padding: 6px 14px; font-size: .9rem;
}
.example:hover { border-color: var(--accent); }
.chip.saved { background: var(--panel); border: 1px solid var(--line-strong); }
.link-plain { border: 0; background: none; padding: 0; font-size: .88rem; color: var(--fg); }
.link-plain:hover { color: var(--accent); }

/* ---------------------------------------------------------------- cards + form rows */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px 22px 20px; margin-bottom: 14px;
}
.card > h2 { margin: 0 0 10px; font-size: 1.08rem; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }

.frows { display: grid; }
.frow {
  display: grid; grid-template-columns: 170px minmax(0, 1fr) 48px; gap: 12px; align-items: start;
  padding: 10px 0; border-top: 1px solid var(--line);
}
.frow:first-child { border-top: 0; }
.flabel { font-weight: 600; padding-top: 7px; display: flex; gap: 6px; align-items: center; }
.frow.on .flabel { color: var(--accent); }
.fctl { min-width: 0; display: grid; gap: 6px; }
.fclear { padding-top: 7px; text-align: right; }
.fnote { color: var(--faint); font-size: .8rem; }
.player-ctl { grid-template-columns: minmax(0, 1fr) auto; align-items: start; }
.scope { display: flex; gap: 10px 20px; align-items: center; flex-wrap: wrap; }
.info {
  display: inline-grid; place-items: center; width: 16px; height: 16px; border-radius: 50%; font-size: .68rem;
  font-weight: 700; color: var(--muted); border: 1px solid var(--line-strong); cursor: help; font-style: italic;
}

.range { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.range input[type=number] { width: 7em; }
.range input[type=date] { width: 11em; }
.range > span { color: var(--faint); }
.range .link { margin-left: 2px; }
.textf { display: flex; gap: 6px; }
.textf input { flex: 1; min-width: 0; }

.toggles { display: flex; flex-wrap: wrap; gap: 8px 24px; padding: 12px 0 2px; border-top: 1px solid var(--line); font-size: .95rem; }
.toggles label { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.toggles input { width: 17px; height: 17px; accent-color: var(--accent); }
.also { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding-top: 12px; }
.also .chip { background: var(--accent-soft); border-color: var(--accent-line); }
.more-filters { margin-top: 14px; }

/* ---------------------------------------------------------------- buttons, chips, segmented */
.btn { border: 1px solid var(--line-strong); background: var(--panel); border-radius: 8px; padding: 7px 13px; font-size: .9rem; }
.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: .55; cursor: progress; }
.btn.small { padding: 4px 10px; font-size: .85rem; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--accent-hover); }
.link { border: 0; background: none; color: var(--muted); text-decoration: underline; font-size: .86rem; padding: 0; }
.link:hover { color: var(--fg); }
.add { border: 1px dashed var(--line-strong); background: none; color: var(--muted); border-radius: 999px; padding: 4px 12px; font-size: .86rem; }
.add:hover { color: var(--fg); border-color: var(--muted); }

.seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 8px; overflow: hidden; background: var(--panel); }
.seg button { border: 0; background: none; padding: 6px 13px; font-size: .9rem; color: var(--muted); min-height: 34px; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button[aria-pressed=true] { background: var(--chip-on); color: var(--chip-on-fg); }
.seg.small button { padding: 4px 11px; min-height: 30px; font-size: .86rem; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 4px; background: var(--chip); border: 1px solid transparent; border-radius: 999px; padding: 3px 4px 3px 11px; font-size: .88rem; max-width: 100%; }
.chip > .x { border: 0; background: none; color: var(--muted); width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: 1rem; line-height: 1; padding: 0; }
.chip > .x:hover { background: var(--line-strong); color: var(--fg); }
.chip.toggle { padding: 4px 13px; border-color: var(--line-strong); background: var(--panel); color: var(--fg); }
.chip.toggle[aria-pressed=true] { background: var(--chip-on); color: var(--chip-on-fg); border-color: var(--chip-on); }

/* ---------------------------------------------------------------- pickers + popovers */
.pick { position: relative; display: grid; gap: 6px; }
.pick input { width: 100%; }
.pop {
  position: absolute; z-index: 50; top: 100%; left: 0; right: 0; margin-top: 4px; background: var(--panel);
  border: 1px solid var(--line-strong); border-radius: 10px; box-shadow: var(--shadow-pop); max-height: 320px;
  overflow: auto; min-width: 240px; padding: 4px;
}
.pick .pop:not(.inline) { position: absolute; }
.pop.inline { position: static; box-shadow: none; margin-top: 6px; max-height: 340px; }
.pop.menu { position: absolute; right: auto; min-width: 220px; }
.pop .opt { display: flex; gap: 8px; align-items: baseline; padding: 7px 10px; border-radius: 6px; cursor: pointer; font-size: .92rem; }
.pop .opt:hover, .pop .opt.hi { background: var(--chip); }
.pop .opt small { color: var(--muted); font-size: .8rem; margin-left: auto; white-space: nowrap; }
.pop .opt.col { display: block; }
.pop .opt.col b { font-weight: 600; }
.pop .opt.col code { color: var(--faint); margin-left: 8px; }
.pop .opt .d { color: var(--muted); font-size: .8rem; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 560px; }
.pop .none { color: var(--muted); padding: 8px 10px; font-size: .9rem; }
.colpick { position: absolute; z-index: 60; width: min(560px, calc(100vw - 32px)); background: var(--panel); border: 1px solid var(--line-strong); border-radius: 12px; box-shadow: var(--shadow-pop); padding: 10px; }

/* ---------------------------------------------------------------- output */
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.choice {
  display: flex; gap: 12px; align-items: flex-start; text-align: left; background: var(--panel);
  border: 1.5px solid var(--line-strong); border-radius: 10px; padding: 12px 14px;
}
.choice b { display: block; font-size: 1rem; }
.choice small { color: var(--muted); font-size: .86rem; }
.choice[aria-pressed=true] { border-color: var(--accent); background: var(--accent-soft); }
.radio { flex: none; width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line-strong); margin-top: 2px; }
.choice[aria-pressed=true] .radio { border-color: var(--accent); background: radial-gradient(var(--accent) 45%, transparent 50%); }
.out-line { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
details.more-opts { margin-top: 14px; }
details.more-opts summary { cursor: pointer; color: var(--muted); font-size: .9rem; }

/* ---------------------------------------------------------------- query bar */
.query-bar { position: sticky; bottom: 0; z-index: 20; padding: 10px 0 14px; margin: 4px 0 18px; background: linear-gradient(to bottom, transparent, var(--bg) 35%); }
.query {
  width: 100%; min-height: 62px; border: 0; border-radius: 14px; background: var(--accent); color: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px;
  box-shadow: 0 4px 14px rgba(21, 128, 61, .3); padding: 8px 16px;
}
.query:hover:not(:disabled) { background: var(--accent-hover); }
.query:disabled { cursor: progress; opacity: .88; flex-direction: row; gap: 12px; }
.q-main { font-size: 1.3rem; font-weight: 700; letter-spacing: .01em; }
.q-sub { font-size: .85rem; opacity: .9; }
.query.pulse { animation: pulse 1.2s ease-out 3; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(21, 128, 61, .6); } 100% { box-shadow: 0 0 0 16px rgba(21, 128, 61, 0); } }
.spinner { width: 18px; height: 18px; border: 2.5px solid rgba(255, 255, 255, .4); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.progress { min-height: 1.3em; margin-top: 8px; font-size: .9rem; color: var(--muted); text-align: center; }
.progress.err { color: var(--danger); background: var(--danger-soft); border-radius: 8px; padding: 9px 12px; text-align: left; }
.bar { height: 4px; border-radius: 2px; background: var(--line); overflow: hidden; margin: 6px auto 0; max-width: 420px; }
.bar > div { height: 100%; background: var(--accent); transition: width .2s; }

/* ---------------------------------------------------------------- catalog */
#catalog h1 { margin-bottom: 2px; }
.cat-group { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); margin: 22px 0 8px; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.cat-card {
  display: grid; gap: 4px; align-content: start; text-align: left; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow);
}
.cat-card:hover { border-color: var(--accent); }
.cat-card b { font-size: 1.02rem; }
.cat-card span { color: var(--muted); font-size: .88rem; }
.cat-card small { color: var(--faint); font-size: .8rem; }

/* ---------------------------------------------------------------- modal + all filters */
.modal { position: fixed; inset: 0; background: rgba(6, 9, 13, .7); z-index: 80; display: grid; place-items: start center; padding: 5vh 16px; overflow: auto; }
.modal-box { background: var(--panel); border-radius: 14px; box-shadow: var(--shadow-pop); width: min(640px, 100%); border: 1px solid var(--line-strong); }
.modal-box.wide { width: min(1040px, 100%); }
.modal-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--panel); border-radius: 14px 14px 0 0; z-index: 2; }
.modal-head h2 { margin: 0; font-size: 1.1rem; }
.modal-body { padding: 16px 20px 22px; }
.modal-body h3 { font-size: .95rem; margin: 18px 0 6px; }
.savebox { display: grid; gap: 10px; }
.browse-tools { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin: 6px 0 12px; }
.browse-tools input[type=search] { flex: 1; min-width: 260px; }
.browse-tools label { font-size: .9rem; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
details.sec { border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; }
details.sec > summary { cursor: pointer; padding: 10px 12px; list-style: none; display: flex; gap: 8px; align-items: center; font-weight: 600; }
details.sec > summary::-webkit-details-marker { display: none; }
details.sec > summary::before { content: "▸"; color: var(--muted); transition: transform .15s; }
details.sec[open] > summary::before { transform: rotate(90deg); }
details.sec > summary small { color: var(--faint); font-weight: 400; }
details.sec > summary .set { color: var(--accent); font-size: .82rem; }
details.sec > .filter-grid { padding: 0 12px 12px; }
.filter-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 10px; }
.fcard { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; display: grid; gap: 7px; align-content: start; min-width: 0; }
.fcard.on { border-color: var(--accent-line); background: var(--accent-soft); }
.fhead { display: flex; align-items: baseline; gap: 6px; min-width: 0; }
.fname { font-weight: 600; font-size: .92rem; }
.fraw { color: var(--faint); font-size: .76rem; overflow-wrap: anywhere; }
.fhead .clear { margin-left: auto; flex: none; }
.fdesc { color: var(--muted); font-size: .8rem; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty { color: var(--muted); font-size: .92rem; padding: 6px 2px; }

/* ---------------------------------------------------------------- SQL editor */
#sql-text { width: 100%; font-family: var(--mono); font-size: .86rem; background: var(--panel); color: var(--fg); border: 1px solid var(--line-strong); border-radius: 8px; padding: 10px 12px; resize: vertical; margin-top: 6px; }
.views { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; align-items: center; }
.views button { font-family: var(--mono); font-size: .78rem; border: 1px solid var(--line); background: var(--panel); border-radius: 6px; padding: 2px 7px; color: var(--faint); }
.views button.has { color: var(--fg); border-color: var(--line-strong); }
.views button:hover { border-color: var(--accent); }

/* ---------------------------------------------------------------- results */
.results { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); scroll-margin-top: 12px; }
.res-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.res-title { font-size: 1.2rem; font-weight: 700; }
.res-sub { color: var(--muted); font-size: .86rem; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.sql { margin: 0; padding: 14px 18px; background: var(--bg); border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: .8rem; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 420px; overflow: auto; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; padding: 18px; }
.tile { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.tile .k { color: var(--muted); font-size: .86rem; }
.tile .v { font-size: 1.9rem; font-weight: 700; letter-spacing: -.02em; margin-top: 2px; }
.table-wrap { overflow: auto; max-height: 70vh; }
table { border-collapse: collapse; width: auto; min-width: 40%; font-size: .87rem; }
th { position: sticky; top: 0; background: var(--panel); text-align: left; font-weight: 600; color: var(--muted); padding: 8px 10px; border-bottom: 1px solid var(--line-strong); white-space: nowrap; font-family: var(--mono); font-size: .78rem; z-index: 1; }
td { padding: 7px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: top; }
td.num, th.num { text-align: right; }
td.long { white-space: normal; min-width: 26rem; color: var(--muted); }
td.null { color: var(--faint); }
tbody tr:hover td { background: var(--bg); }
.pager { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 18px; font-size: .88rem; color: var(--muted); flex-wrap: wrap; }
.pager .nav { display: flex; gap: 6px; align-items: center; }
.noresults { padding: 28px 18px; color: var(--muted); text-align: center; }
.toast { position: fixed; left: 50%; bottom: 100px; transform: translateX(-50%); background: var(--chip-on); color: var(--chip-on-fg); padding: 10px 18px; border-radius: 999px; font-size: .92rem; box-shadow: var(--shadow-pop); z-index: 100; max-width: calc(100vw - 32px); }

/* quick chart: one series, so one hue and no legend box (the title names it) */
.chart { position: relative; padding: 14px 18px 6px; border-bottom: 1px solid var(--line); }
.chart-head { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; flex-wrap: wrap; }
.chart-title { font-weight: 600; font-size: .92rem; }
.chart-plot { max-width: 860px; }
.chart svg { display: block; overflow: visible; }
.chart .bar { fill: var(--series-1); }
.chart .mark.hot .bar, .chart .mark:focus .bar { fill-opacity: .78; }
.chart .mark:focus { outline: none; }
.chart .hit { fill: transparent; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { stroke: var(--line-strong); stroke-width: 1; }
.chart .tick { fill: var(--faint); font-size: 11px; }
.chart .lab { fill: var(--muted); font-size: 12px; }
.chart .val { fill: var(--fg); font-size: 11.5px; }
.chart-tip { position: absolute; pointer-events: none; background: var(--panel); border: 1px solid var(--line-strong); border-radius: 8px; padding: 5px 9px; font-size: .84rem; box-shadow: var(--shadow-pop); white-space: nowrap; z-index: 5; }

@media (max-width: 720px) {
  main { padding: 12px 10px 60px; }
  .card { padding: 14px; }
  .frow { grid-template-columns: 1fr; gap: 6px; }
  .flabel, .fclear { padding-top: 0; }
  .fclear { text-align: left; }
  .choices { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: 1fr; }
  .tabs button { padding: 8px 10px; font-size: .92rem; }
  .top { padding: 10px 14px; }
}