:root {
  --bg: #0b1020;
  --bg-accent-1: rgba(99, 102, 241, 0.16);
  --bg-accent-2: rgba(20, 184, 166, 0.10);
  --card: rgba(255, 255, 255, 0.045);
  --card-border: rgba(255, 255, 255, 0.09);
  --text: #e7eaf3;
  --text-dim: #9aa3b8;
  --text-faint: #6b7488;
  --pos: #34d399;
  --pos-soft: rgba(52, 211, 153, 0.14);
  --neg: #f87171;
  --neg-soft: rgba(248, 113, 113, 0.14);
  --neu: #8b93a7;
  --accent: #818cf8;
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  background:
    radial-gradient(1100px 500px at 15% -10%, var(--bg-accent-1), transparent 60%),
    radial-gradient(900px 500px at 95% 10%, var(--bg-accent-2), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Top bar ---------- */

.topbar {
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  background: rgba(11, 16, 32, 0.75);
  z-index: 10;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 42px; height: 42px;
  border-radius: 10px;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
}
.brand-mark img { display: block; width: 100%; height: 100%; }

.brand-name { font-weight: 800; font-size: 18px; letter-spacing: -0.02em; }
.brand-tag { font-size: 12.5px; color: var(--text-dim); }

.topnav { display: flex; gap: 18px; }
.topnav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
}
.topnav a:hover { color: var(--text); }

/* ---------- Ad slots (placeholders) ---------- */

.ad-slot {
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  color: var(--text-faint);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.02);
}

.ad-banner { height: 74px; margin: 18px 0 4px; }
.ad-side { height: 250px; }

/* ---------- Layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 22px;
  align-items: start;
  padding-top: 18px;
  padding-bottom: 40px;
}

.controls { display: flex; flex-direction: column; gap: 18px; position: sticky; top: 86px; }
.results { display: flex; flex-direction: column; gap: 18px; min-width: 0; }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
}

.card h2 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hint { color: var(--text-dim); font-size: 13px; margin: 0 0 14px; }

/* ---------- Sliders ---------- */

.slider-block { margin-bottom: 16px; }

.slider-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
  gap: 8px;
}

.slider-name { font-size: 13.5px; font-weight: 600; }
.slider-value {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
  white-space: nowrap;
}
.slider-value b { color: var(--text); font-weight: 700; }

input[type="range"] {
  width: 100%;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
  height: 22px;
}

.btn {
  display: inline-block;
  border-radius: 10px;
  padding: 9px 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--card-border);
  transition: background 0.15s, border-color 0.15s;
}

.btn-ghost {
  width: 100%;
  background: transparent;
  color: var(--text-dim);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.06); color: var(--text); }

/* ---------- Presets ---------- */

.preset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.preset {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  text-align: left;
  line-height: 1.3;
  padding: 10px 12px;
}
.preset:hover { background: rgba(129, 140, 248, 0.14); border-color: rgba(129, 140, 248, 0.5); }
.preset .p-icon { font-size: 16px; display: block; margin-bottom: 4px; }
.preset .p-name { font-size: 12.5px; font-weight: 600; display: block; }

/* ---------- Summary strip ---------- */

.summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.summary-col {
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  padding: 14px 16px;
}
.summary-col.win { background: linear-gradient(180deg, rgba(52, 211, 153, 0.10), rgba(52, 211, 153, 0.03)); }
.summary-col.lose { background: linear-gradient(180deg, rgba(248, 113, 113, 0.10), rgba(248, 113, 113, 0.03)); }

.summary-label { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 8px; }
.win .summary-label { color: var(--pos); }
.lose .summary-label { color: var(--neg); }

.pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  font-size: 12.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--card-border);
}

/* ---------- Board ---------- */

.board-card { padding-bottom: 12px; }

.board-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.legend { display: flex; gap: 14px; }
.legend-item { font-size: 12px; color: var(--text-dim); display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.pos { background: var(--pos); }
.dot.neg { background: var(--neg); }
.dot.neu { background: var(--neu); }

.board { display: flex; flex-direction: column; }

.row {
  display: grid;
  grid-template-columns: minmax(190px, 240px) 1fr 64px;
  gap: 14px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.row:last-child { border-bottom: none; }

.meta { min-width: 0; }
.name { font-size: 13.5px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.chip {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 1px 7px;
  white-space: nowrap;
}
.drivers {
  font-size: 11.5px;
  color: var(--text-faint);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.drivers .up { color: var(--pos); }
.drivers .down { color: var(--neg); }

.track {
  position: relative;
  height: 14px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.045);
  overflow: hidden;
}
.track::after {
  content: "";
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.22);
}
.fill {
  position: absolute;
  top: 0; bottom: 0;
  width: 0;
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.fill.pos {
  left: 50%;
  background: linear-gradient(90deg, rgba(52, 211, 153, 0.45), var(--pos));
  border-radius: 0 7px 7px 0;
}
.fill.neg {
  right: 50%;
  background: linear-gradient(270deg, rgba(248, 113, 113, 0.45), var(--neg));
  border-radius: 7px 0 0 7px;
}

.score {
  font-size: 13.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.score.pos { color: var(--pos); }
.score.neg { color: var(--neg); }
.score.neu { color: var(--neu); }

/* ---------- Methodology ---------- */

.methodology summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  list-style: none;
}
.methodology summary::before { content: "▸ "; color: var(--accent); }
.methodology[open] summary::before { content: "▾ "; }
.methodology-body { color: var(--text-dim); font-size: 13.5px; }
.methodology-body strong { color: var(--text); }

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--card-border);
  padding: 24px 0 34px;
  color: var(--text-dim);
  font-size: 13px;
}
.footer strong { color: var(--text); }
.footer-small { color: var(--text-faint); font-size: 12px; }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .controls { position: static; }
  .summary { grid-template-columns: 1fr; }
  .row { grid-template-columns: minmax(140px, 1fr) 1fr 56px; gap: 10px; }
  .drivers { white-space: normal; }
  .topnav { display: none; }
}