:root {
  --bg: #10141a;
  --panel: #181e27;
  --panel2: #1f2733;
  --text: #e8ecf1;
  --muted: #8b98a9;
  --accent: #4fa3ff;
  --green: #3ecf8e;
  --red: #ff6b6b;
  --bar: #2e5f96;
  --bar-rev: #2e8266;
  --border: #2a3441;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

header { max-width: 1060px; margin: 0 auto; padding: 34px 20px 0; }
h1 { margin: 0 0 16px; font-size: 2.2rem; letter-spacing: -0.5px; }

.tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--border); }
.tab {
  background: none; border: none; color: var(--muted); font-size: 1rem;
  padding: 10px 18px; cursor: pointer; border-bottom: 2px solid transparent;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

main { max-width: 1060px; margin: 0 auto; padding: 14px 20px 60px; }

/* two-column layout */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
.col { min-width: 0; }

.year-picker { display: flex; align-items: center; gap: 16px; margin: 10px 0 14px; }
.year-picker input[type=range] { flex: 1; }
.year-label { font-size: 1.5rem; font-weight: 700; font-variant-numeric: tabular-nums; min-width: 4ch; }

.note { color: var(--muted); font-style: italic; margin: 8px 0 14px; }
.caveat { color: var(--muted); font-size: 0.85rem; }

.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; margin: 0 0 14px;
}
.panel h2 { margin: 0 0 10px; font-size: 1.05rem; }
.panel h3 { margin: 18px 0 6px; font-size: 0.95rem; }

/* bar rows */
.brow { margin: 6px 0; cursor: default; }
.brow.expandable { cursor: pointer; }
.brow-head { display: flex; justify-content: space-between; gap: 8px; font-size: 0.88rem; }
.brow-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brow-name .caret { color: var(--muted); font-size: 0.75rem; margin-right: 4px; }
.brow-val { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.brow-track { background: var(--panel2); border-radius: 4px; height: 9px; margin-top: 3px; overflow: hidden; }
.brow-fill { background: var(--bar); height: 100%; border-radius: 4px; }
.brow-fill.rev { background: var(--bar-rev); }
.brow-fill.negbar { background: var(--red); opacity: 0.6; }
.subrows { margin-left: 14px; border-left: 1px solid var(--border); padding-left: 10px; }

/* playground rows */
.prow { padding: 9px 0; border-bottom: 1px solid var(--border); }
.prow:last-child { border-bottom: none; }
.prow-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.prow-name { font-weight: 600; font-size: 0.92rem; }
.prow-name .badge {
  font-size: 0.6rem; font-weight: 600; background: #3a3020; color: #e8b34b;
  border-radius: 4px; padding: 1px 5px; margin-left: 6px; vertical-align: middle;
  cursor: help;
}
.prow-nums { color: var(--muted); font-size: 0.85rem; font-variant-numeric: tabular-nums; }
.prow-nums .delta.pos { color: var(--green); }
.prow-nums .delta.neg { color: var(--red); }
.prow-ctl { display: flex; align-items: center; gap: 10px; margin-top: 3px; }
.prow-ctl input[type=range] { flex: 1; min-width: 0; }
.pct { min-width: 5ch; text-align: right; font-variant-numeric: tabular-nums; font-size: 0.85rem; }
.impact { color: var(--accent); font-size: 0.82rem; margin-top: 2px; }
.fixedrow { color: var(--muted); font-size: 0.85rem; padding: 8px 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; gap: 8px; }
.toggle-subs { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 0.78rem; padding: 0; }
.toggle-subs:hover { color: var(--text); }

/* scoreboard */
.scoreboard {
  position: sticky; top: 0; z-index: 10;
  background: var(--panel2); border: 1px solid var(--border); border-radius: 12px;
  padding: 10px 16px; display: flex; gap: 18px; align-items: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.45);
  margin-bottom: 14px;
}
#pie { width: 116px; height: 116px; flex: none; }
.pie-num { font-size: 15px; font-weight: 700; }
.pie-word { font-size: 8.5px; letter-spacing: 1px; }
.pie-num.pos, .pie-word.pos { fill: var(--green); }
.pie-num.neg, .pie-word.neg { fill: var(--red); }
.scores { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; flex: 1; min-width: 0; }
.score { display: flex; flex-direction: column; }
.score.wide { flex: 1; min-width: 150px; }
.score-label { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.5px; }
.score-value { font-size: 1.2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.score-value.small { font-size: 0.88rem; font-weight: 600; line-height: 1.3; }
.score-value.pos { color: var(--green); }
.score-value.neg { color: var(--red); }
#reset-btn {
  background: none; border: 1px solid var(--border);
  color: var(--muted); border-radius: 8px; padding: 6px 14px; cursor: pointer;
}
#reset-btn:hover { color: var(--text); border-color: var(--muted); }

/* brackets */
.bracket-controls { margin: 10px 0 6px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: 0.88rem; }
select, button#copy-link {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 10px; font-size: 0.88rem; max-width: 100%;
}
button#copy-link { cursor: pointer; }
#copy-done { color: var(--green); margin-left: 10px; font-size: 0.9rem; }

.status-toggle { display: inline-flex; margin: 6px 0; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.status-toggle .st {
  background: none; border: none; color: var(--muted); padding: 4px 12px;
  cursor: pointer; font-size: 0.82rem;
}
.status-toggle .st.active { background: var(--panel2); color: var(--text); }

.bkhead { display: flex; gap: 8px; color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 8px; }
.bkhead .h-rate { width: 4.8em; }
.bkhead .h-over { width: 7.5em; }
.bkrow { display: flex; align-items: center; gap: 8px; padding: 4px 0; border-top: 1px solid var(--border); font-size: 0.9rem; font-variant-numeric: tabular-nums; flex-wrap: wrap; }
.bkrate { width: 4.8em; flex: none; }
.bkrate input[type=number] {
  width: 4em; background: var(--panel2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 2px 5px;
}
.bkover { flex: none; color: var(--muted); font-size: 0.85rem; min-width: 7.5em; }

/* bracket editor */
.bkedit { padding: 8px 0; border-top: 1px solid var(--border); }
.bkedit-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.bkname { font-weight: 600; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.bkslider { display: flex; align-items: center; gap: 8px; margin-top: 2px; }
.bkslider label {
  color: var(--muted); font-size: 0.68rem; width: 5em; flex: none;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.bkslider input[type=range] { flex: 1; min-width: 0; }
.bkval { min-width: 7.5ch; text-align: right; font-size: 0.85rem; font-variant-numeric: tabular-nums; }
.bkdel {
  background: none; border: 1px solid var(--border); color: var(--muted);
  border-radius: 6px; padding: 1px 8px; font-size: 0.75rem; cursor: pointer; flex: none;
}
.bkdel:hover:not(:disabled) { color: var(--red); border-color: var(--red); }
.bkdel:disabled { opacity: 0.3; cursor: default; }
#bracket-revenue { margin: 8px 0 4px; }

.section-reset {
  background: none; border: 1px solid var(--border); color: var(--muted);
  border-radius: 6px; padding: 1px 8px; font-size: 0.72rem; cursor: pointer;
  margin-left: 8px; vertical-align: middle; font-weight: 400;
}
.section-reset:hover { color: var(--text); border-color: var(--muted); }
#add-bracket {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 5px 12px; cursor: pointer; margin-top: 8px;
  font-size: 0.85rem;
}
#add-bracket:hover { border-color: var(--muted); }
.brev-inner { display: flex; align-items: center; gap: 7px; flex: 1; min-width: 105px; }
.revtrack { flex: 1; background: var(--panel2); border-radius: 3px; height: 8px; overflow: hidden; min-width: 40px; }
.revfill { background: var(--bar-rev); height: 100%; border-radius: 3px; }
.revamt { color: var(--muted); font-size: 0.82rem; min-width: 5.5ch; text-align: right; }
.bracket-total { font-size: 0.92rem; }

input[type=range] { accent-color: var(--accent); }

footer { max-width: 1060px; margin: 0 auto; padding: 0 20px 50px; color: var(--muted); font-size: 0.83rem; }
footer a { color: var(--accent); }

@media (max-width: 700px) {
  body { font-size: 14px; }
  h1 { font-size: 1.5rem; }
  main, header, footer { padding-left: 10px; padding-right: 10px; }
  .cols { gap: 8px; }
  .panel { padding: 10px; border-radius: 10px; }
  .scoreboard { gap: 10px; padding: 8px 10px; flex-wrap: wrap; }
  #pie { width: 92px; height: 92px; }
  .scores { gap: 10px; }
  .score-value { font-size: 0.98rem; }
  .score-value.small { font-size: 0.76rem; }
  .score.wide { min-width: 100%; order: 5; }
  #reset-btn { padding: 4px 10px; font-size: 0.85rem; }
  .brow-head { font-size: 0.78rem; }
  .prow-name { font-size: 0.84rem; }
  .bkover { font-size: 0.78rem; width: 6.5em; }
  .bkrate { width: 4.2em; }
  .subrows { margin-left: 8px; padding-left: 6px; }
}