/* Раздел «Чип-тюнинг BMW». Токены — в style.css, карточки и модалки — в epoch.css. Сетка 4px. */
.chip { padding-top: calc(var(--header-h) + 32px); padding-bottom: 64px; }

.chip__title { margin-top: 16px; font-size: clamp(32px, 4vw, 48px); font-weight: 500; line-height: 1.1; letter-spacing: -.02em; }
.chip__lead { margin-top: 12px; max-width: 40rem; font-size: 17px; line-height: 1.55; color: var(--text-2); }
.chip__source { margin-top: 32px; max-width: 48rem; font-size: 14px; line-height: 1.5; color: var(--text-3); }

/* ---------- Выбор автомобиля ---------- */
.pick {
  position: sticky; top: calc(var(--header-h) + 12px); z-index: 10;
  display: grid; grid-template-columns: 120px repeat(3, minmax(0, 1fr)); gap: 12px; align-items: end;
  margin: 32px 0 40px; padding: 16px;
  background: rgba(24, 25, 28, .94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--line); border-radius: 16px;
}
.pick label span, .pick__brand span, .quickpick label span { display: block; font-size: 14px; color: var(--text-2); margin-bottom: 4px; }
.pick__brand b { display: flex; align-items: center; height: 44px; padding: 0 12px; border-radius: 10px; background: var(--raised); font-weight: 500; }
.pick select, .quickpick select {
  width: 100%; height: 44px; padding: 0 32px 0 12px; border-radius: 10px;
  background: var(--bg-deep); border: 1px solid var(--line); color: var(--text); font: inherit; font-size: 16px;
  appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: calc(100% - 16px) 20px, calc(100% - 12px) 20px; background-size: 4px 4px; background-repeat: no-repeat;
  transition: border-color var(--t-fast) var(--ease);
}
.pick select:focus, .quickpick select:focus { outline: 0; border-color: var(--line-strong); }
.pick select:disabled, .quickpick select:disabled { opacity: .45; }

/* ---------- Плитки моделей и поколений ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.tile {
  display: flex; flex-direction: column; gap: 4px; padding: 20px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}
.tile:hover { border-color: var(--line-strong); background: var(--raised); }
.tile__name { font-size: 20px; font-weight: 500; line-height: 1.3; }
.tile__sub { font-size: 15px; color: var(--text-2); }
.tile__code { font-size: 14px; color: var(--text-2); }
.tile__meta { margin-top: 12px; font-size: 14px; color: var(--text-3); }

/* ---------- Таблица двигателей ---------- */
.group__title { margin: 32px 0 12px; font-size: 20px; font-weight: 500; }
.group__title:first-child { margin-top: 0; }
.etable { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--surface); }
.etable__head, .erow { display: grid; grid-template-columns: minmax(0, 2fr) 1fr 1fr 1fr minmax(0, 1.4fr); gap: 16px; align-items: center; padding: 0 20px; }
.etable__head { height: 40px; font-size: 14px; color: var(--text-3); border-bottom: 1px solid var(--line); }
.erow { min-height: 64px; padding-top: 12px; padding-bottom: 12px; border-top: 1px solid var(--line); transition: background-color var(--t-fast) var(--ease); }
.etable__head + .erow { border-top: 0; }
.erow:hover { background: var(--raised); }
.erow__name { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.erow__name b { font-weight: 500; font-size: 17px; }
.erow__name .code { font-size: 14px; color: var(--text-3); }
.erow__num { font-size: 16px; color: var(--text); }
.erow__gain { font-size: 16px; color: var(--accent); }
.erow__price { font-size: 16px; font-weight: 500; }
.erow__price small { display: block; font-size: 14px; font-weight: 400; color: var(--text-3); }
.erow__status { grid-column: 3 / -1; }

/* ---------- Окно выбора на главной ---------- */
.quickpick { padding: 24px 24px calc(24px + var(--safe-b)); display: grid; gap: 12px; }
.quickpick h2 { font-size: 22px; font-weight: 500; padding-right: 48px; }
.quickpick p { color: var(--text-2); line-height: 1.5; margin-bottom: 4px; }
.quickpick .btn { margin-top: 8px; }

/* ---------- Мобильные ---------- */
@media (max-width: 900px) {
  .chip { padding-top: calc(var(--header-h) + 24px); padding-bottom: calc(96px + var(--safe-b)); }
  .pick { position: static; grid-template-columns: 1fr; gap: 8px; margin: 24px 0 32px; }
  .pick__brand { display: none; }
  .etable__head { display: none; }
  .erow { grid-template-columns: 1fr auto; gap: 4px 16px; padding: 16px; }
  .erow__name { grid-column: 1 / -1; margin-bottom: 4px; }
  .erow__num, .erow__gain { font-size: 15px; }
  .erow__num::before, .erow__gain::before { content: attr(data-label) " "; font-family: var(--font); color: var(--text-3); }
  .erow__price { grid-column: 1 / -1; margin-top: 8px; font-size: 18px; }
  .erow__status { grid-column: 1 / -1; }
}

/* Телефон: таблица двигателей и выбор машины крупнее */
@media (max-width: 760px) {
  .chip__lead { font-size: 17px; }
  .chip__source { font-size: 15px; }
  .pick label span, .quickpick label span { font-size: 15px; }
  .pick select, .quickpick select { font-size: 16px; height: 48px; }
  .quickpick p { font-size: 16px; }
  .tile__name { font-size: 22px; }
  .tile__sub, .tile__code, .tile__meta { font-size: 15px; }
  .erow__name b { font-size: 19px; }
  .erow__name .code { font-size: 15px; }
  .erow { grid-template-columns: 1fr; gap: 4px; }
  .erow__num, .erow__gain { font-size: 16px; white-space: nowrap; }
  .erow__price { font-size: 20px; }
  .erow__price small { font-size: 14px; }
}

/* Иконка «есть график» (js/chip/page.js): синяя — график есть, серая — нет */
.graph { display: inline-flex; width: 18px; height: 18px; margin-left: 8px; vertical-align: -3px; color: var(--accent); flex: none; }
.graph svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.graph.is-off { color: var(--text-3); opacity: .45; }
.tile__graph { display: flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 14px; color: var(--accent); }
.tile__graph .graph { margin-left: 0; }
.tile__graph.is-off { color: var(--text-3); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }