/* Tuning Wizard — OLSx-style selector */
.twz {
  --twz-bg: #1f2734;
  --twz-card: #2a3445;
  --twz-card-hover: #344056;
  --twz-border: #3d4a60;
  --twz-text: #eef1f6;
  --twz-muted: #a3aec0;
  --twz-accent: #e11d2a;     /* red, OLSx-ish */
  --twz-gain: #28c76f;       /* green */
  --twz-dev: #f0a020;        /* amber for "In development" */
  --twz-radius: 14px;
  background: var(--twz-bg);
  color: var(--twz-text);
  max-width: 1040px;
  margin: 90px auto 40px;
  padding: 22px;
  border-radius: 18px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.twz *, .twz *::before, .twz *::after { box-sizing: border-box; }

.twz-head { text-align: center; margin-bottom: 14px; }
.twz-title { font-size: 21px; font-weight: 800; margin: 0 0 4px; letter-spacing: -.02em; color: #fff; }
.twz-sub { margin: 0; color: var(--twz-muted); font-size: 13px; }

/* breadcrumb */
.twz-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 18px 0; }
.twz-crumb {
  background: var(--twz-card); color: var(--twz-text); border: 1px solid var(--twz-border);
  padding: 7px 14px; border-radius: 999px; cursor: pointer; font-size: 13px; font-weight: 600;
  transition: .15s; line-height: 1;
}
.twz-crumb:hover { background: var(--twz-card-hover); }
.twz-crumb.is-active { background: var(--twz-accent); border-color: var(--twz-accent); color: #fff; }
.twz-sep { color: var(--twz-muted); font-size: 14px; }

/* toolbar / search */
.twz-toolbar { margin: 6px 0 16px; }
.twz-search {
  width: 100%; max-width: 320px; background: var(--twz-card); border: 1px solid var(--twz-border);
  color: var(--twz-text); padding: 9px 14px; border-radius: 9px; font-size: 13px; outline: none;
}
.twz-search:focus { border-color: var(--twz-accent); }
.twz-search::placeholder { color: var(--twz-muted); }

/* grids */
/* flex layout: up to 6 per row, last/partial row (and a single tile) centered */
.twz-grid { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.twz-grid > .twz-tile { flex: 0 0 calc((100% - 50px) / 6); }
@media (max-width: 860px) { .twz-grid > .twz-tile { flex-basis: calc((100% - 40px) / 5); } }
@media (max-width: 720px) { .twz-grid > .twz-tile { flex-basis: calc((100% - 30px) / 4); } }
@media (max-width: 520px) { .twz-grid > .twz-tile { flex-basis: calc((100% - 20px) / 3); } }
@media (max-width: 360px) { .twz-grid > .twz-tile { flex-basis: calc((100% - 10px) / 2); } }

.twz-tile {
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; height: 84px; padding: 10px 10px; cursor: pointer; text-align: center; overflow: hidden;
  background: var(--twz-card); border: 1px solid var(--twz-border); border-radius: 10px;
  color: var(--twz-text); text-decoration: none;
  transition: transform .12s, background .12s, border-color .12s, box-shadow .12s;
}
.twz-tile--brand { height: 132px; } /* uniform height; room for logo + name + count */
.twz-crumb { text-decoration: none; display: inline-block; }
.twz-tile:focus-visible, .twz-crumb:focus-visible { outline: 2px solid var(--twz-accent); outline-offset: 2px; }

/* stage: stable height + dim (not wipe) while loading -> no flash */
.twz-stage { min-height: 220px; transition: opacity .12s ease; }
.twz-stage.twz-busy { opacity: .5; pointer-events: none; }
.twz-tile:hover {
  background: var(--twz-card-hover); border-color: var(--twz-accent);
  transform: translateY(-3px); box-shadow: 0 10px 24px rgba(0,0,0,.35);
}
.twz-tile-name {
  font-size: 13px; font-weight: 600; line-height: 1.2; max-width: 100%; word-break: break-word;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.twz-count { margin-top: 2px; }

.twz-logo {
  width: 100%; height: 56px; display: flex; align-items: center; justify-content: center; margin-bottom: 6px;
}
.twz-logo--plate { background: #fff; border-radius: 8px; padding: 6px; } /* only dark logos */
.twz-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.twz-logo img { max-width: 88px; max-height: 54px; object-fit: contain; filter: drop-shadow(0 1px 2px rgba(0,0,0,.4)); }
.twz-logo--fallback {
  font-weight: 800; font-size: 18px; color: #fff; letter-spacing: .02em;
  background: linear-gradient(135deg, #2a323e, #1a2029); border-radius: 10px; width: 100%; height: 54px;
}
.twz-count {
  font-size: 11px; color: var(--twz-muted); background: rgba(255,255,255,.05);
  padding: 2px 8px; border-radius: 999px;
}

/* brand step layout: grid + right-hand type selector */
.twz-brandwrap { display: grid; grid-template-columns: 1fr 168px; gap: 18px; align-items: start; }
.twz-main { min-width: 0; }
.twz-types {
  display: flex; flex-direction: column; gap: 6px; position: sticky; top: 16px;
  background: var(--twz-card); border: 1px solid var(--twz-border); border-radius: 12px; padding: 12px;
}
.twz-types-title { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--twz-muted); margin-bottom: 4px; }
.twz-type {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  background: transparent; border: 1px solid var(--twz-border); color: var(--twz-text);
  padding: 7px 11px; border-radius: 9px; cursor: pointer; font-size: 13px; font-weight: 600; transition: .12s;
}
.twz-type:hover { background: var(--twz-card-hover); border-color: var(--twz-accent); }
.twz-type.is-active { background: var(--twz-accent); border-color: var(--twz-accent); color: #fff; }
.twz-type-cnt { font-size: 11px; opacity: .8; background: rgba(255,255,255,.1); padding: 1px 7px; border-radius: 999px; }

/* engine gain badge */
.twz-gain { font-size: 12px; font-weight: 700; color: var(--twz-gain); }

/* power-gain slider */
.twz-slider { display: flex; flex-direction: column; gap: 8px; max-width: 440px; margin: 0 auto 18px; }
.twz-slider-label { font-size: 13px; color: var(--twz-muted); text-align: center; }
.twz-slider-label b { color: #fff; font-size: 15px; }
#twz-gain { width: 100%; accent-color: var(--twz-accent); height: 6px; cursor: pointer; }

/* CTA buttons on the result card */
.twz-cta { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.twz-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 11px; font-weight: 700; font-size: 14px; text-decoration: none;
  transition: transform .12s, filter .12s; flex: 1 1 auto; min-width: 180px;
}
.twz-btn:hover { transform: translateY(-1px); filter: brightness(1.06); }
.twz-btn--wa { background: #25D366; color: #07351c; }
.twz-btn--order { background: var(--twz-accent); color: #fff; }

/* fuel split bar (engine step) */
.twz-fuels { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 16px; }
.twz-fuel {
  background: transparent; border: 1px solid var(--twz-border); color: var(--twz-text);
  padding: 7px 14px; border-radius: 999px; cursor: pointer; font-size: 13px; font-weight: 600; transition: .12s;
}
.twz-fuel:hover { background: var(--twz-card-hover); border-color: var(--twz-accent); }
.twz-fuel.is-active { background: var(--twz-accent); border-color: var(--twz-accent); color: #fff; }

/* power-search results list */
.twz-srcount { font-size: 12px; color: var(--twz-muted); margin-bottom: 10px; }
.twz-srlist { display: flex; flex-direction: column; gap: 8px; }
.twz-sr {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 11px 14px; border-radius: 10px; text-decoration: none;
  background: var(--twz-card); border: 1px solid var(--twz-border); color: var(--twz-text);
  transition: background .12s, border-color .12s, transform .12s;
}
.twz-sr:hover { background: var(--twz-card-hover); border-color: var(--twz-accent); transform: translateX(2px); }
.twz-sr-info { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.twz-sr-title { font-weight: 700; font-size: 14px; }
.twz-sr-sub { font-size: 12px; color: var(--twz-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.twz-sr-fig { display: flex; align-items: center; gap: 8px; white-space: nowrap; font-size: 13px; font-weight: 600; }
.twz-sr-o { color: var(--twz-muted); }
.twz-sr-arr { color: var(--twz-accent); }
.twz-sr-s { color: var(--twz-gain); }
.twz-sr-s.is-dev { color: var(--twz-dev); }
.twz-main.twz-busy { opacity: .5; pointer-events: none; transition: opacity .12s; }
@media (max-width: 480px) {
  .twz-sr { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* result badges + Stage 2 */
.twz-badges { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.twz-badge {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  padding: 4px 10px; border-radius: 999px; background: rgba(255,255,255,.06); color: var(--twz-muted); border: 1px solid var(--twz-border);
}
.twz-badge--fuel { color: #7fd1ff; border-color: rgba(127,209,255,.3); background: rgba(127,209,255,.1); }
.twz-metric.is-stage2 { border-color: #8a5cff; }
.twz-metric.is-stage2 .twz-metric-value { color: #b89bff; }
.twz-metrics { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }

/* states */
.twz-loading, .twz-empty { text-align: center; color: var(--twz-muted); padding: 48px 0; font-size: 15px; }

@media (max-width: 720px) {
  .twz-brandwrap { grid-template-columns: 1fr; }
  .twz-types { position: static; flex-flow: row wrap; }
  .twz-type { flex: 1 1 auto; }
}

/* result */
.twz-result {
  background: var(--twz-card); border: 1px solid var(--twz-border); border-radius: 18px;
  padding: 24px; margin-bottom: 16px;
}
.twz-result-head { margin-bottom: 20px; }
.twz-result-title { font-size: 22px; font-weight: 800; color: #fff; }
.twz-result-sub { color: var(--twz-muted); font-size: 14px; margin-top: 4px; }

.twz-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.twz-metric {
  background: var(--twz-bg); border: 1px solid var(--twz-border); border-radius: 14px;
  padding: 18px; text-align: center;
}
.twz-metric-label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--twz-muted); margin-bottom: 8px; }
.twz-metric-value { display: block; font-size: 20px; font-weight: 800; color: #fff; }
.twz-metric.is-gain .twz-metric-value { color: var(--twz-gain); }
.twz-metric.is-dev  .twz-metric-value { color: var(--twz-dev); font-size: 16px; }
.twz-metric.is-stage { border-color: var(--twz-accent); }

.twz-section { margin-top: 22px; }
.twz-section-title { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--twz-muted); margin-bottom: 10px; }
.twz-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.twz-pill {
  font-size: 12px; font-weight: 600; padding: 6px 12px; border-radius: 999px;
  background: rgba(225,29,42,.12); color: #ff8a93; border: 1px solid rgba(225,29,42,.25);
}

@media (max-width: 560px) {
  .twz { padding: 18px; }
  .twz-metrics { grid-template-columns: 1fr; }
}