/* Preview pages (Leaderboard, Model Validation) and the section tabs. Same brick theme as style.css; uses its colour variables. */

.soon-tag { font-style: normal; font-family: var(--mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; background: var(--yellow); color: var(--ink); border-radius: 3px; padding: 1px 5px; margin-left: 4px; vertical-align: 1px; }
.sections { max-width: 1040px; margin: 0 auto; padding: 0 16px; display: flex; gap: 4px; overflow-x: auto; }
.sections button { background: none; border: 0; border-bottom: 3px solid transparent; padding: 10px 14px; font-weight: 600; font-size: 14px; color: var(--ink-2); white-space: nowrap; }
.sections button:hover { color: var(--ink); }
.sections button[aria-current] { color: var(--ink); border-bottom-color: var(--blue); }
.landing .topnav .links .soon-tag { color: var(--ink); }

.pv-banner { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; background: var(--yellow-l); border: 1px solid #f3dd8f; border-left: 6px solid var(--yellow); border-radius: var(--r); padding: 10px 14px; margin-bottom: 22px; font-size: 14px; color: #5c4400; }
.pv-banner b { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; background: var(--yellow); color: var(--ink); border-radius: 3px; padding: 3px 8px; }
.pv-note { color: var(--ink-2); font-size: 14px; max-width: 760px; margin: 14px 0 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 20px; }
.card h3 { margin: 0 0 8px; font-size: 15px; }
.mut { color: var(--muted); font-size: 13px; margin: 0 0 10px; }

/* how bricks are earned */
.rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 26px; }
.rules > div { display: flex; gap: 12px; align-items: flex-start; background: var(--steel); border-radius: var(--r); padding: 14px; font-size: 14px; color: var(--ink-2); }
.rules b { flex: none; width: 28px; height: 28px; display: grid; place-items: center; background: var(--blue); color: #fff; border-radius: 4px; font-family: var(--display); }
.rules > div:nth-child(2) b { background: var(--red); } .rules > div:nth-child(3) b { background: var(--green); }

.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.tabs button { background: none; border: 0; border-bottom: 3px solid transparent; padding: 9px 14px; font-weight: 600; color: var(--ink-2); margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--yellow-d); }

/* datasets table */
.lb-table { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.lb-row { display: grid; grid-template-columns: 34px minmax(170px, 2.2fr) .8fr .9fr .9fr 2fr .9fr; gap: 12px; align-items: center; padding: 12px 14px; border-top: 1px solid var(--line); font-size: 14px; }
.lb-row:first-child { border-top: 0; }
.lb-head { background: var(--steel); font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.lb-row .rk { font-family: var(--display); font-weight: 700; font-size: 18px; }
.lb-row .nm b { font-family: var(--mono); font-size: 13px; word-break: break-all; }
.lb-row .nm small { display: block; margin-top: 3px; font-size: 12px; } .neg { color: var(--bad); } .warnc { color: var(--warn); }
.dl { display: flex; align-items: center; gap: 10px; } .dl .bar { height: 14px; border-radius: 2px; flex: none; max-width: 70%; }
.dl .g { background: var(--green); } .dl .r { background: var(--red); } .dl .y { background: var(--yellow); }
.dl b { font-family: var(--mono); font-size: 13px; }

/* builders: towers of bricks */
.towers { display: flex; align-items: flex-end; gap: 28px; padding: 24px 12px 10px; border-bottom: 6px solid var(--green-d); background: linear-gradient(var(--steel) 0 0) bottom / 100% 0 no-repeat; overflow-x: auto; min-height: 330px; }
.tower { flex: 1 0 84px; max-width: 130px; text-align: center; }
.stack { display: flex; flex-direction: column-reverse; align-items: center; gap: 3px; min-height: 8px; }
.bk { display: block; width: 72px; height: 20px; border-radius: 3px; position: relative; background: var(--b, var(--blue)); border-bottom: 3px solid rgba(0,0,0,.25); margin-top: 0; }
.bk::before { content: ""; position: absolute; top: -5px; left: 9px; width: 12px; height: 5px; border-radius: 2px 2px 0 0; background: inherit; box-shadow: 21px 0 0 var(--b, var(--blue)), 42px 0 0 var(--b, var(--blue)); }
.k-plain { --b: var(--blue); } .k-task { --b: var(--red); } .k-robot { --b: var(--yellow); } .k-scene { --b: var(--green); }
.k-gold { --b: #F57D20; }
.k-dup { --b: #c9cdd2; height: 8px; } .k-dup::before { display: none; }
.tw-name { margin-top: 10px; font-weight: 600; font-size: 13px; font-family: var(--mono); } .tw-num { color: var(--muted); font-size: 12px; }
.tower.me .tw-name { color: var(--blue); } .tower.me .stack { outline: 2px dashed var(--blue); outline-offset: 6px; border-radius: 4px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 18px 0 12px; font-size: 13px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 8px; } .legend .bk { width: 22px; height: 12px; border-bottom-width: 2px; } .legend .bk::before { display: none; }
.next-brick { background: var(--info-l); border-left: 6px solid var(--blue); border-radius: var(--r); padding: 12px 16px; font-size: 14px; }

/* wanted board */
.wanted { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; }
.want { border: 1px solid var(--line); border-top: 6px solid var(--red); border-radius: var(--r); padding: 16px; background: #fff; display: flex; flex-direction: column; gap: 10px; }
.want:nth-child(2) { border-top-color: var(--blue); } .want:nth-child(3) { border-top-color: var(--green); }
.want-top { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; } .want h3 { margin: 0; font-size: 16px; }
.want p { margin: 0; color: var(--muted); font-size: 13px; }
.meter { height: 12px; background: var(--steel-2); border-radius: 2px; overflow: hidden; } .meter i { display: block; height: 100%; background: var(--green); }
.want-foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; align-items: center; font-size: 13px; color: var(--ink-2); } .want-foot .btn { padding: 5px 12px; }

/* model validation */
.bt-form { display: grid; gap: 20px; margin-bottom: 26px; }
.fld { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; min-width: 0; } .fld legend { padding: 0; margin-bottom: 8px; }
.fld .label, .fld legend { color: var(--blue); }
.fld input[type="text"], #btData { font: 15px var(--mono); padding: 11px 12px; border: 1px solid #c9cdd5; border-radius: var(--r); width: 100%; max-width: 520px; }
#btData:focus { outline: 3px solid var(--yellow); outline-offset: 1px; border-color: var(--ink); }
.fld small { color: var(--ink-2); display: flex; align-items: center; gap: 8px; font-size: 13px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; background: var(--skip); } .dot.good { background: var(--green); }
.models { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.mdl { position: relative; display: grid; gap: 2px; border: 2px solid var(--line); border-radius: var(--r); padding: 12px 14px; cursor: pointer; background: #fff; }
.mdl input { position: absolute; opacity: 0; } .mdl:has(input:focus-visible) { outline: 3px solid var(--yellow); outline-offset: 2px; }
.mdl.on { border-color: var(--blue); background: var(--info-l); }
.mdl small { color: var(--muted); font-size: 12px; } .mdl em { font-style: normal; font-family: var(--mono); font-size: 12px; color: var(--ink-2); margin-top: 4px; }
.chk { display: flex; gap: 10px; align-items: baseline; font-size: 14px; } .chk small { display: inline; } .chk.off { color: var(--muted); }
.bt-act { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 14px; color: var(--ink-2); border-top: 1px solid var(--line); padding-top: 16px; }
.bt-progress ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.bt-progress li { padding: 10px 14px 10px 40px; border-radius: var(--r); background: var(--steel); color: var(--muted); position: relative; }
.bt-progress li::before { content: ""; position: absolute; left: 14px; top: 12px; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--skip); }
.bt-progress li.now { background: var(--yellow-l); color: var(--ink); font-weight: 600; } .bt-progress li.now::before { border-color: var(--yellow-d); border-top-color: transparent; animation: spin .8s linear infinite; }
.bt-progress li.ok { color: var(--good); background: var(--good-l); } .bt-progress li.ok::before { background: var(--good); border-color: var(--good); }
@keyframes spin { to { transform: rotate(360deg); } }
.bt-verdict { display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: center; margin-bottom: 18px; }
.bt-mascot svg { width: 100%; } .bt-verdict h2 { font-family: var(--display); font-size: 26px; margin: 4px 0 6px; letter-spacing: -.02em; } .bt-verdict p { margin: 0; color: var(--ink-2); max-width: 680px; }
.bt-verdict .label { color: var(--good); }
.bt-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: 16px; margin-bottom: 30px; align-items: stretch; }
.bt-grid .card { border-width: 2px; padding: 22px 24px; box-shadow: 0 4px 0 var(--steel-2); }
.card h3.big { font-family: var(--display); font-size: 20px; letter-spacing: -.01em; margin-bottom: 12px; } .card h3.big small { font: 500 13px var(--font); color: var(--muted); margin-left: 8px; }
.bt-h2 { font-family: var(--display); font-size: 22px; margin: 6px 0 14px; letter-spacing: -.01em; }
.chart { width: 100%; height: auto; } .chart .gl { stroke: var(--line); } .chart .axl { stroke: #9aa0a6; } .chart .ax { font: 13px var(--mono); fill: var(--muted); }
.chart .gapfill { fill: var(--green); opacity: .14; }
.chart .ln { fill: none; stroke-width: 4; stroke-linejoin: round; } .chart .base { stroke: #8a8f98; } .chart .mine { stroke: var(--green); }
.chart .dlt { stroke: var(--ink); stroke-width: 1.5; } .chart .dltt { font: 700 16px var(--mono); fill: var(--ink); }
.chart .key { font: 700 15px var(--font); } .chart .kb { fill: #6b7280; } .chart .km { fill: var(--green-d); }
.sc { display: grid; gap: 6px; font-size: 14px; margin: 16px 0; grid-template-columns: 1fr auto; } .sc span { grid-column: 1; color: var(--ink-2); font-weight: 500; } .sc b { grid-column: 2; grid-row: 1; font-family: var(--mono); font-size: 20px; } .sc .sc-bar { grid-column: 1 / -1; }
.sc-bar { background: var(--steel-2); height: 26px; border-radius: 2px; overflow: hidden; } .sc-bar i { display: block; height: 100%; background: var(--green); }
.tip { background: var(--good-l); border-left: 6px solid var(--green); border-radius: 3px; padding: 14px 16px; font-size: 15px; margin: 22px 0 0; }
.why summary { cursor: pointer; font-weight: 600; } .why p { color: var(--ink-2); font-size: 14px; max-width: 760px; }

@media (max-width: 760px) {
  .rules, .bt-grid { grid-template-columns: 1fr; }
  .lb-head { display: none; }
  .lb-row { grid-template-columns: 30px 1fr 1fr; row-gap: 6px; }
  .lb-row .nm { grid-column: 2 / -1; } .lb-row .dl { grid-column: 1 / -1; }
  .bt-verdict { grid-template-columns: 1fr; } .bt-mascot { max-width: 90px; }
  .tower { flex-basis: 76px; } .bk { width: 64px; }
}