/* ==================================================================
   DUST RAIDERS — интерфейс.
   Пустынный ретро-футуризм: тёмное дымчатое стекло, песочно-оранжевый
   акцент, скошенные углы, светящиеся кромки, табличные моноширинные цифры.
   Никаких внешних шрифтов и картинок — только системные стеки и градиенты.
   ================================================================== */

:root {
  /* палитра */
  --accent: #ff8c3b;
  --accent-2: #ffd08a;
  --danger: #ff4646;
  --good: #57e08a;
  --purple: #b98cff;

  --ink: #fff2e0;
  --ink-dim: #d7c2a8;
  --ink-mute: #9c8874;

  --glass: rgba(20, 14, 10, 0.52);
  --glass-solid: rgba(17, 12, 9, 0.88);
  --glass-deep: rgba(10, 7, 5, 0.72);

  --edge-grad: linear-gradient(150deg, rgba(255, 208, 138, 0.62), rgba(255, 140, 59, 0.22) 42%, rgba(255, 255, 255, 0.07) 100%);
  --edge-grad-hot: linear-gradient(150deg, #ffe6c2, rgba(255, 140, 59, 0.85) 55%, rgba(255, 208, 138, 0.5) 100%);

  /* типографика */
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  --mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', 'Courier New', monospace;

  /* геометрия */
  --bev: 12px;
  --hud-gap: 18px;
  --hud-scale: 1;

  color-scheme: dark;
}

/* ------------------------------------------------------------------ */
/* База                                                                */
/* ------------------------------------------------------------------ */

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #0b0806;
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overscroll-behavior: none;
  touch-action: none;
}

#app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 10%, #3a2415 0%, #17100b 60%, #0b0806 100%);
}

/* Холст рендерера (создаётся интегратором) */
body > canvas,
#app > canvas {
  position: fixed;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Служебные холсты HUD не должны попадать под правило выше */
.dr-hud canvas {
  position: relative;
  inset: auto;
  width: auto;
  height: auto;
  display: block;
  z-index: auto;
}

#hud-root,
#ui-root {
  position: fixed;
  inset: 0;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
}

#hud-root { z-index: 10; }
#ui-root { z-index: 20; }

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1, 'zero' 1;
  letter-spacing: 0;
}

/* ------------------------------------------------------------------ */
/* Скошенные панели с светящейся кромкой                               */
/* ------------------------------------------------------------------ */

.hud-panel,
.boost-panel,
.ui-card {
  position: relative;
  clip-path: polygon(
    var(--bev) 0, 100% 0,
    100% calc(100% - var(--bev)), calc(100% - var(--bev)) 100%,
    0 100%, 0 var(--bev)
  );
}

.hud-panel::before,
.boost-panel::before,
.ui-card::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  padding: 1px;
  background: var(--edge-grad);
  clip-path: polygon(
    var(--bev) 0, 100% 0,
    100% calc(100% - var(--bev)), calc(100% - var(--bev)) 100%,
    0 100%, 0 var(--bev)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}

/* Панели HUD держат контраст и над ярким небом, и над тёмной землёй */
.hud-panel,
.boost-panel {
  background: linear-gradient(155deg, rgba(28, 19, 13, .66), rgba(9, 6, 5, .76));
  -webkit-backdrop-filter: blur(13px) saturate(120%) brightness(.82);
  backdrop-filter: blur(13px) saturate(120%) brightness(.82);
}

/* ==================================================================
   HUD
   ================================================================== */

.dr-hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--ink);
  font-family: var(--font);
  opacity: 1;
  transition: opacity .25s ease;
  contain: layout style;
}

.dr-hud.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.hud-zone {
  position: absolute;
  display: flex;
  gap: 9px;
}

.hud-tl {
  top: var(--hud-gap); left: var(--hud-gap);
  flex-direction: column; align-items: flex-start;
  transform: scale(var(--hud-scale)); transform-origin: top left;
}
.hud-tr {
  top: var(--hud-gap); right: var(--hud-gap);
  flex-direction: column; align-items: stretch;
  transform: scale(var(--hud-scale)); transform-origin: top right;
}
.hud-bl {
  bottom: var(--hud-gap); left: var(--hud-gap);
  transform: scale(var(--hud-scale)); transform-origin: bottom left;
}
.hud-br {
  bottom: var(--hud-gap); right: var(--hud-gap);
  transform: scale(var(--hud-scale)); transform-origin: bottom right;
}

.hud-cap {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .17em;
  color: var(--ink-mute);
  text-transform: uppercase;
  line-height: 1;
}

/* ---------- круг / позиция ---------- */

.lap-panel {
  --bev: 14px;
  min-width: 176px;
  padding: 10px 14px 12px;
}

.lap-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.lap-val {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  font-weight: 700;
  color: var(--accent-2);
  text-shadow: 0 0 14px rgba(255, 140, 59, .35);
}

.pos-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin-top: 4px;
}

.pos-num {
  display: flex;
  align-items: baseline;
  line-height: .88;
}

.pos-val {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 52px;
  font-weight: 800;
  color: var(--ink);
  text-shadow: 0 3px 22px rgba(255, 140, 59, .45);
}

.pos-val.lead { color: var(--accent-2); }

.pos-val.flash { animation: posFlash .5s ease-out; }

.pos-tot {
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink-mute);
  margin-left: 2px;
}

.pos-cap { padding-bottom: 7px; }

/* ---------- времена ---------- */

.time-panel {
  --bev: 11px;
  min-width: 176px;
  padding: 9px 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.t-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.t-val {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -.01em;
}

.t-val.t-cur { font-size: 16px; color: var(--accent-2); }
.t-val.t-best { color: var(--good); }
.t-val.t-last { color: var(--ink-dim); }
.t-val.t-delta { color: var(--ink-mute); }
.t-val.t-delta.good { color: var(--good); text-shadow: 0 0 12px rgba(87, 224, 138, .35); }
.t-val.t-delta.bad { color: var(--danger); text-shadow: 0 0 12px rgba(255, 70, 70, .35); }

/* ---------- мини-карта ---------- */

.map-panel {
  --bev: 13px;
  padding: 8px;
  line-height: 0;
  align-self: flex-end;
}

.minimap { display: block; }

/* ---------- таблица положения ---------- */

.st-panel {
  --bev: 11px;
  padding: 8px 10px 9px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.st-panel.is-empty { display: none; }

.st-head { display: flex; justify-content: space-between; opacity: .85; }

.st-list { display: flex; flex-direction: column; gap: 2px; }

.st-row {
  display: grid;
  grid-template-columns: 16px 1fr auto auto;
  align-items: center;
  gap: 7px;
  padding: 3px 5px;
  font-size: 11.5px;
  color: var(--ink-dim);
  background: linear-gradient(90deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, 0));
  border-left: 2px solid rgba(255, 232, 206, .14);
  transition: color .18s ease, background-color .18s ease;
}

.st-row.me {
  color: var(--ink);
  font-weight: 700;
  border-left-color: var(--accent);
  background: linear-gradient(90deg, rgba(255, 140, 59, .22), rgba(255, 140, 59, 0));
}

.st-pos { color: var(--accent-2); font-weight: 700; text-align: right; }
.st-row.me .st-pos { color: var(--accent); }
.st-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.st-lap { font-size: 10px; color: var(--ink-mute); }
.st-gap { font-size: 10.5px; color: var(--ink-mute); min-width: 40px; text-align: right; }
.st-row.me .st-gap { color: var(--accent-2); }

/* ---------- буст ---------- */

.boost-panel {
  --bev: 10px;
  width: 54px;
  padding: 11px 10px 9px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  transition: opacity .2s ease;
}

.boost-panel.low { opacity: .72; }

.boost-track {
  position: relative;
  width: 24px;
  height: 186px;
  overflow: hidden;
  background: rgba(0, 0, 0, .45);
  box-shadow: inset 0 0 0 1px rgba(255, 208, 138, .18);
  clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}

.boost-fill {
  position: absolute;
  inset: 0;
  transform: scaleY(0);
  transform-origin: 50% 100%;
  background: linear-gradient(180deg, #fff0d2 0%, var(--accent-2) 34%, var(--accent) 78%, #ff6a2a 100%);
  will-change: transform;
}

.boost-ticks {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg,
    rgba(0, 0, 0, 0) 0 16px,
    rgba(0, 0, 0, .55) 16px 18px);
}

.boost-cap {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--ink-mute);
}

.boost-panel.full .boost-track { animation: boostPulse .62s ease-in-out infinite alternate; }
.boost-panel.full .boost-fill { filter: brightness(1.14); }
.boost-panel.full .boost-cap { color: var(--accent-2); }

/* ---------- тахометр ---------- */

.tacho-wrap {
  position: relative;
  filter: drop-shadow(0 12px 26px rgba(0, 0, 0, .55));
}

.tacho { display: block; }

/* ---------- центр экрана ---------- */

.hud-center {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: block;
}

.hud-countdown {
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%) scale(.6);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(88px, 15vw, 200px);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1;
  color: var(--ink);
  opacity: 0;
  text-shadow:
    0 0 32px rgba(255, 140, 59, .85),
    0 0 90px rgba(255, 140, 59, .45),
    0 8px 26px rgba(0, 0, 0, .7);
  white-space: nowrap;
}

.hud-countdown.show { animation: cdPop 1s cubic-bezier(.16, .84, .3, 1) forwards; }
.hud-countdown.go {
  color: var(--good);
  font-size: clamp(60px, 10vw, 132px);
  text-shadow:
    0 0 34px rgba(87, 224, 138, .9),
    0 0 100px rgba(87, 224, 138, .45),
    0 8px 26px rgba(0, 0, 0, .7);
}

.hud-wrongway {
  position: absolute;
  left: 50%;
  top: 23%;
  transform: translate(-50%, -50%);
  padding: 9px 22px;
  font-size: clamp(20px, 2.6vw, 34px);
  font-weight: 800;
  letter-spacing: .14em;
  color: #fff;
  background: linear-gradient(180deg, rgba(255, 70, 70, .92), rgba(150, 20, 20, .92));
  box-shadow: 0 0 40px rgba(255, 70, 70, .55), inset 0 0 0 1px rgba(255, 200, 200, .5);
  clip-path: polygon(14px 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
  opacity: 0;
  visibility: hidden;
}

.hud-wrongway.show {
  visibility: visible;
  animation: wwBlink .62s steps(1, end) infinite;
}

.hud-message {
  position: absolute;
  left: 50%;
  top: 63%;
  transform: translate(-50%, 14px);
  padding: 10px 26px;
  font-size: clamp(15px, 1.7vw, 22px);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--glass-solid);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: inset 0 0 0 1px rgba(255, 208, 138, .35), 0 10px 30px rgba(0, 0, 0, .5);
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  opacity: 0;
  white-space: nowrap;
  transition: opacity .2s ease, transform .24s cubic-bezier(.2, .8, .25, 1);
}

.hud-message.show { opacity: 1; transform: translate(-50%, 0); }
.hud-message.kind-good { color: var(--good); box-shadow: inset 0 0 0 1px rgba(87, 224, 138, .5), 0 10px 30px rgba(0, 0, 0, .5); }
.hud-message.kind-bad { color: var(--danger); box-shadow: inset 0 0 0 1px rgba(255, 70, 70, .5), 0 10px 30px rgba(0, 0, 0, .5); }

/* ---------- счётчик кадров ---------- */

.hud-fps {
  position: absolute;
  left: 50%;
  top: 6px;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(255, 232, 206, .55);
  text-shadow: 0 1px 4px rgba(0, 0, 0, .8);
}

.hud-fps.mid { color: var(--accent-2); }
.hud-fps.bad { color: var(--danger); }

/* ==================================================================
   Анимации HUD
   ================================================================== */

@keyframes cdPop {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(2.1); }
  14%  { opacity: 1; transform: translate(-50%, -50%) scale(1.06); }
  26%  { transform: translate(-50%, -50%) scale(1); }
  78%  { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(.94); }
}

@keyframes wwBlink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: .12; }
}

@keyframes posFlash {
  0%   {
    transform: scale(1.34);
    text-shadow: 0 0 36px rgba(255, 140, 59, .95), 0 3px 22px rgba(255, 140, 59, .7);
  }
  100% { transform: scale(1); }
}

@keyframes boostPulse {
  from { box-shadow: inset 0 0 0 1px rgba(255, 208, 138, .3), 0 0 0 rgba(255, 140, 59, 0); }
  to   { box-shadow: inset 0 0 0 1px #ffd08a, 0 0 20px rgba(255, 140, 59, .8); }
}

/* ==================================================================
   Экраны UI
   ================================================================== */

.dr-ui {
  position: absolute;
  inset: 0;
  pointer-events: none;
  font-family: var(--font);
  color: var(--ink);
}

.ui-screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(10px, 2.5vh, 40px);
  pointer-events: auto;
  opacity: 0;
  transition: opacity .22s ease;
}

.ui-screen[hidden] { display: none; }
.ui-screen.is-open { opacity: 1; }

.ui-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(130% 100% at 50% 12%, rgba(74, 41, 18, .55) 0%, rgba(12, 8, 6, .88) 62%, rgba(6, 4, 3, .95) 100%);
  -webkit-backdrop-filter: blur(16px) saturate(85%) brightness(.72);
  backdrop-filter: blur(16px) saturate(85%) brightness(.72);
}

/* Меню и экран управления/настроек показываем поверх кинематографичного облёта
   трассы — вуаль оставляем лёгкой, контраст держит сама карточка. */
.ui-menu .ui-veil,
.ui-controls .ui-veil,
.ui-settings .ui-veil {
  background:
    radial-gradient(120% 95% at 50% 8%, rgba(74, 41, 18, .10) 0%, rgba(12, 8, 6, .42) 58%, rgba(6, 4, 3, .66) 100%);
  -webkit-backdrop-filter: blur(3px) saturate(105%) brightness(.9);
  backdrop-filter: blur(3px) saturate(105%) brightness(.9);
}

.ui-loading .ui-veil {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.ui-card {
  --bev: 22px;
  position: relative;
  width: min(1040px, 100%);
  /* без min-width:0 flex-элемент раздувается до min-content и вылезает за экран */
  min-width: 0;
  max-width: 100%;
  max-height: 100%;
  overflow: auto;
  overscroll-behavior: contain;
  padding: clamp(20px, 3.4vw, 42px) clamp(20px, 3.4vw, 46px) clamp(18px, 2.8vw, 34px);
  background:
    linear-gradient(160deg, rgba(46, 30, 19, .92) 0%, rgba(20, 14, 10, .95) 45%, rgba(12, 9, 7, .97) 100%);
  box-shadow: 0 30px 90px rgba(0, 0, 0, .65);
  transform: translateY(16px) scale(.99);
  transition: transform .28s cubic-bezier(.2, .8, .25, 1);
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 140, 59, .45) transparent;
}

.ui-screen.is-open .ui-card { transform: none; }

.ui-card::-webkit-scrollbar { width: 8px; }
.ui-card::-webkit-scrollbar-thumb { background: rgba(255, 140, 59, .4); }
.ui-card::-webkit-scrollbar-track { background: transparent; }

.card-loading { width: min(620px, 100%); text-align: center; }
.card-menu { width: min(1060px, 100%); }
.card-pause { width: min(420px, 100%); text-align: center; }
.card-results { width: min(920px, 100%); }
.card-controls { width: min(1000px, 100%); }
.card-settings { width: min(680px, 100%); }

/* ---------- логотип и заголовки ---------- */

.brand { text-align: center; }

.brand-kicker {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .38em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: .85;
  margin-bottom: 10px;
}

.brand-title {
  margin: 0;
  font-size: clamp(44px, 8.2vw, 104px);
  font-weight: 900;
  line-height: .92;
  letter-spacing: -.02em;
  text-transform: uppercase;
  background: linear-gradient(178deg, #fff6e8 0%, var(--accent-2) 42%, var(--accent) 74%, #a8410f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 6px 24px rgba(255, 108, 30, .45));
}

.brand-title.small { font-size: clamp(30px, 5vw, 54px); }

.brand-sub {
  margin-top: 8px;
  font-size: clamp(12px, 1.4vw, 16px);
  font-weight: 600;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.brand-rule {
  height: 2px;
  margin: 18px 0 20px;
  background:
    linear-gradient(90deg, transparent, rgba(255, 140, 59, .75) 18%, rgba(255, 208, 138, .95) 50%, rgba(255, 140, 59, .75) 82%, transparent);
  box-shadow: 0 0 18px rgba(255, 140, 59, .45);
}

.card-title {
  margin: 4px 0 0;
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-align: center;
  color: var(--ink);
  text-shadow: 0 4px 26px rgba(255, 140, 59, .35);
}

/* ---------- загрузка ---------- */

.load-bar {
  position: relative;
  height: 10px;
  margin-top: 26px;
  background: rgba(0, 0, 0, .5);
  box-shadow: inset 0 0 0 1px rgba(255, 208, 138, .22);
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
  overflow: hidden;
}

.load-fill {
  position: absolute;
  inset: 0;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, #ff6a2a, var(--accent) 40%, var(--accent-2) 100%);
  box-shadow: 0 0 20px rgba(255, 140, 59, .8);
  transition: transform .25s ease-out;
  will-change: transform;
}

.load-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.load-pct { color: var(--accent-2); font-weight: 700; }

.load-tip {
  margin-top: 22px;
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: .04em;
}

/* ---------- сетка меню ---------- */

.menu-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px 26px;
  align-items: start;
}

.opt-group { min-width: 0; }

.opt-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 9px;
}

.opt-row { display: flex; flex-wrap: wrap; gap: 8px; }

.group-livery .opt-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 8px;
}

.group-difficulty .opt-row { display: grid; grid-template-columns: repeat(2, 1fr); }
.group-laps .opt-row { display: grid; grid-template-columns: repeat(3, 1fr); }

/* ---------- кнопки ---------- */

.btn,
.opt-btn,
.toggle {
  position: relative;
  appearance: none;
  border: 0;
  margin: 0;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--font);
  background: rgba(255, 255, 255, .045);
  clip-path: polygon(
    var(--bbev, 9px) 0, 100% 0,
    100% calc(100% - var(--bbev, 9px)), calc(100% - var(--bbev, 9px)) 100%,
    0 100%, 0 var(--bbev, 9px)
  );
  transition: background-color .16s ease, color .16s ease, transform .12s ease;
}

.btn::before,
.opt-btn::before,
.toggle::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  padding: 1px;
  background: var(--edge-grad);
  clip-path: polygon(
    var(--bbev, 9px) 0, 100% 0,
    100% calc(100% - var(--bbev, 9px)), calc(100% - var(--bbev, 9px)) 100%,
    0 100%, 0 var(--bbev, 9px)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  transition: background .18s ease;
}

.btn:hover, .opt-btn:hover, .toggle:hover { background: rgba(255, 140, 59, .16); }
.btn:active, .opt-btn:active, .toggle:active { transform: translateY(1px); }

.btn:focus-visible,
.opt-btn:focus-visible,
.toggle:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--accent-2);
}
.btn:focus-visible::before,
.opt-btn:focus-visible::before,
.toggle:focus-visible::before { background: var(--edge-grad-hot); }

.btn {
  --bbev: 12px;
  padding: 14px 26px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.btn-primary {
  --bbev: 14px;
  padding: 18px 34px;
  font-size: clamp(16px, 1.7vw, 21px);
  color: #1a0d05;
  background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 55%, #ff6a2a 100%);
  box-shadow: 0 12px 34px rgba(255, 108, 30, .35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #fff0d6 0%, var(--accent-2) 55%, var(--accent) 100%);
  box-shadow: 0 14px 40px rgba(255, 140, 59, .5);
}
.btn-primary::before { background: linear-gradient(150deg, rgba(255, 255, 255, .85), rgba(255, 140, 59, .2)); }
.btn-primary:focus-visible { box-shadow: inset 0 0 0 2px #2a1508, 0 12px 34px rgba(255, 108, 30, .35); }

.btn-ghost { color: var(--ink-dim); }
.btn-ghost:hover { color: var(--ink); }

.btn-danger { color: #ffb3b3; background: rgba(255, 70, 70, .1); }
.btn-danger:hover { background: rgba(255, 70, 70, .24); color: #fff; }
.btn-danger::before { background: linear-gradient(150deg, rgba(255, 120, 120, .7), rgba(255, 70, 70, .2)); }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}

.btn-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.menu-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
}

.menu-actions .btn-primary { width: min(420px, 100%); min-width: 0; }

.menu-hint {
  margin-top: 16px;
  text-align: center;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ---------- варианты выбора ---------- */

.opt-btn {
  padding: 11px 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--ink-dim);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
  text-align: left;
}

.opt-btn .opt-text { text-transform: uppercase; }

.opt-btn.is-on,
.opt-btn[aria-pressed='true'] {
  color: #1a0d05;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 8px 22px rgba(255, 108, 30, .3);
}

.opt-btn.is-on::before { background: linear-gradient(150deg, rgba(255, 255, 255, .8), rgba(255, 140, 59, .25)); }

.group-difficulty .opt-btn,
.group-laps .opt-btn { align-items: center; justify-content: center; text-align: center; }

.group-laps .opt-btn {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  padding: 12px 10px;
}

.livery-btn { padding: 8px 8px 10px; gap: 8px; }

.livery-swatch {
  display: block;
  width: 100%;
  height: 34px;
  background: linear-gradient(112deg,
    var(--lv-body, #d94f2b) 0 56%,
    var(--lv-accent, #1c1c22) 56% 78%,
    var(--lv-rims, #e8e2d6) 78% 100%);
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, .5),
    inset 0 10px 16px rgba(255, 255, 255, .16),
    inset 0 -8px 14px rgba(0, 0, 0, .3);
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.livery-name {
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ---------- результаты ---------- */

.res-sub {
  margin-top: 10px;
  text-align: center;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--accent-2);
}

.res-table { margin-top: 4px; }

.res-row {
  display: grid;
  grid-template-columns: 44px minmax(90px, 1.5fr) 1fr 1fr 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
}

.res-head {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--ink-mute);
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255, 208, 138, .18);
  padding-bottom: 8px;
}

.res-body { display: flex; flex-direction: column; gap: 3px; margin-top: 4px; }

/* fill-mode backwards: строки видимы даже если анимация не проигралась */
.res-body .res-row {
  background: linear-gradient(90deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .01));
  border-left: 3px solid rgba(255, 232, 206, .16);
  animation: resRow .42s cubic-bezier(.2, .8, .25, 1) backwards;
  font-size: 14px;
}

.res-body .res-row.me {
  border-left-color: var(--accent);
  background: linear-gradient(90deg, rgba(255, 140, 59, .24), rgba(255, 140, 59, .03));
  font-weight: 700;
  color: var(--ink);
}

.res-c { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.res-pos { font-weight: 800; font-size: 17px; color: var(--ink-dim); text-align: center; }
.res-pos.gold { color: #ffd54a; text-shadow: 0 0 16px rgba(255, 213, 74, .5); }
.res-pos.silver { color: #dfe6ee; }
.res-pos.bronze { color: #e39a5a; }
.res-name { letter-spacing: .04em; }
.res-time { color: var(--ink); }
.res-best { color: var(--ink-dim); }
.res-best.purple { color: var(--purple); text-shadow: 0 0 14px rgba(185, 140, 255, .4); }
.res-gap { color: var(--ink-mute); }

.res-actions { margin-top: 22px; }

@keyframes resRow {
  from { opacity: 0; transform: translateX(-18px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- управление ---------- */

.ctl-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.ctl-col { min-width: 0; }

.kb-clusters { display: flex; gap: 18px; margin-bottom: 16px; }

.kb-cluster {
  display: grid;
  grid-template-columns: repeat(3, 38px);
  grid-template-rows: repeat(2, 38px);
  gap: 6px;
}

.kb-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: linear-gradient(180deg, rgba(74, 52, 36, .95), rgba(28, 20, 14, .95));
  box-shadow:
    inset 0 1px 0 rgba(255, 232, 206, .28),
    inset 0 0 0 1px rgba(255, 208, 138, .22),
    0 3px 0 rgba(0, 0, 0, .5);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.kb-key.small { height: 28px; min-width: 28px; font-size: 11.5px; padding: 0 8px; }
.kb-key.pad { height: 26px; min-width: 46px; font-size: 11px; color: var(--accent-2); }

.ctl-list { display: flex; flex-direction: column; gap: 7px; }

.ctl-row {
  display: grid;
  grid-template-columns: minmax(150px, 196px) 1fr;
  align-items: center;
  gap: 14px;
  padding: 3px 0;
  border-bottom: 1px solid rgba(255, 232, 206, .07);
}

.ctl-keys { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.ctl-or { color: var(--ink-mute); font-size: 11px; }
.ctl-desc { font-size: 13px; color: var(--ink-dim); letter-spacing: .03em; }

.pad-art {
  position: relative;
  height: 88px;
  margin-bottom: 16px;
  border-radius: 46px / 42px;
  background: linear-gradient(180deg, rgba(70, 49, 34, .8), rgba(22, 15, 11, .92));
  box-shadow: inset 0 0 0 1px rgba(255, 208, 138, .2), inset 0 10px 20px rgba(255, 232, 206, .07);
}
.pad-art::before,
.pad-art::after {
  content: '';
  position: absolute;
  top: 36px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #7a6350, #221812);
  box-shadow: 0 0 0 1px rgba(255, 208, 138, .28), 0 2px 6px rgba(0, 0, 0, .6);
}
.pad-art::before { left: 26%; }
.pad-art::after { right: 26%; }

.ctl-note {
  margin-top: 14px;
  font-size: 11.5px;
  color: var(--ink-mute);
  letter-spacing: .04em;
}

/* ---------- настройки ---------- */

.set-body { display: flex; flex-direction: column; gap: 16px; }

/* группы выбора в настройках выравниваются как обычные строки: подпись слева, контрол справа */
.set-body .opt-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 232, 206, .08);
}

.set-body .opt-label {
  margin-bottom: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--ink-dim);
  white-space: nowrap;
}

.set-body .opt-row { justify-content: flex-end; }
.set-body .opt-btn { padding: 9px 14px; font-size: 12px; }

.set-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 232, 206, .08);
}

.set-name {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.set-control { display: flex; align-items: center; gap: 12px; }
.set-control.is-off { opacity: .45; }

.set-value { font-size: 12px; color: var(--accent-2); min-width: 42px; text-align: right; }

.toggle {
  --bbev: 7px;
  min-width: 78px;
  padding: 9px 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ink-mute);
}

.toggle[aria-pressed='true'] {
  color: #14240f;
  background: linear-gradient(135deg, #b9f2cf, var(--good));
}
.toggle[aria-pressed='true']::before { background: linear-gradient(150deg, rgba(255, 255, 255, .8), rgba(87, 224, 138, .3)); }

.range {
  -webkit-appearance: none;
  appearance: none;
  width: clamp(140px, 22vw, 220px);
  height: 6px;
  background: linear-gradient(90deg,
    var(--accent) 0 var(--fill, 80%),
    rgba(255, 255, 255, .14) var(--fill, 80%) 100%);
  outline: none;
  cursor: pointer;
}

.range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 18px;
  background: linear-gradient(180deg, #fff2e0, var(--accent-2));
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .6), 0 0 12px rgba(255, 140, 59, .7);
  clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px);
  cursor: pointer;
}

.range::-moz-range-thumb {
  width: 16px;
  height: 18px;
  border: 0;
  background: linear-gradient(180deg, #fff2e0, var(--accent-2));
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .6), 0 0 12px rgba(255, 140, 59, .7);
  cursor: pointer;
}

.range:focus-visible { box-shadow: 0 0 0 2px var(--accent-2); }
.range:disabled { cursor: default; }

/* ==================================================================
   Адаптивность: 1280×720 → 4K → мобильные
   ================================================================== */

@media (min-width: 900px) {
  .menu-cols { grid-template-columns: 1.55fr 1fr; }
  .group-livery { grid-row: span 2; }
  .ctl-cols { grid-template-columns: 1.15fr 1fr; }
}

@media (max-width: 1400px) {
  :root { --hud-scale: .88; --hud-gap: 14px; }
}

@media (min-width: 1900px) {
  :root { --hud-scale: 1.08; --hud-gap: 24px; }
}

@media (min-width: 2500px) {
  :root { --hud-scale: 1.34; --hud-gap: 34px; }
  .ui-card { --bev: 28px; }
  .res-body .res-row { font-size: 17px; }
  .ctl-desc, .st-row { font-size: 15px; }
}

@media (min-width: 3400px) {
  :root { --hud-scale: 1.7; --hud-gap: 48px; }
  .btn { font-size: 19px; padding: 18px 34px; }
  .btn-primary { font-size: 26px; padding: 24px 44px; }
  .opt-btn { font-size: 17px; }
}

/* Низкие экраны: HUD компактнее, чтобы не перекрывать дорогу */
@media (max-height: 700px) {
  :root { --hud-scale: .8; --hud-gap: 10px; }
  .boost-track { height: 140px; }
}

/* Мобильная раскладка */
@media (max-width: 860px) {
  :root { --hud-scale: .72; --hud-gap: 9px; }

  .st-panel { display: none; }
  .time-panel .t-row:nth-child(2) { display: none; }
  .boost-track { height: 120px; }
  .hud-message { font-size: 14px; padding: 8px 16px; }

  .menu-cols { grid-template-columns: 1fr; }
  .group-difficulty .opt-row { grid-template-columns: repeat(2, 1fr); }
  .ctl-cols { grid-template-columns: 1fr; }
  .res-row { grid-template-columns: 34px minmax(70px, 1.3fr) 1fr 1fr; }
  .res-gap { display: none; }
  .set-row { flex-direction: column; align-items: flex-start; gap: 10px; }

  /* крупнее пальцу */
  .btn { padding: 17px 26px; font-size: 16px; }
  .btn-primary { padding: 21px 30px; }
  .opt-btn { padding: 14px 14px; font-size: 14px; }
  .toggle { padding: 13px 18px; min-width: 92px; }
  .btn-row { gap: 14px; }
}

@media (max-width: 560px) {
  .brand-title { font-size: clamp(34px, 12vw, 56px); }
  .group-livery .opt-row { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); }
  .ui-card { --bev: 14px; padding: 18px 16px 20px; }
  .hud-countdown { font-size: clamp(72px, 22vw, 120px); }
}

/* Портретная ориентация телефона: подсказка развернуть устройство не нужна,
   просто ужимаем HUD ещё сильнее */
@media (orientation: portrait) and (max-width: 860px) {
  :root { --hud-scale: .62; }
}

/* ==================================================================
   Уважение к настройкам доступности
   ================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  /* Анимацию нужно именно отключить: при animation-fill-mode: forwards
     последний кадр перебивает обычные объявления, и отсчёт остаётся невидимым. */
  .hud-countdown.show {
    animation: none !important;
    opacity: 1 !important;
    transform: translate(-50%, -50%) scale(1) !important;
  }
  .hud-wrongway.show { animation: none !important; opacity: 1 !important; }
  .res-body .res-row { animation: none !important; opacity: 1 !important; }
  .boost-panel.full .boost-track { box-shadow: inset 0 0 0 1px #ffd08a, 0 0 20px rgba(255, 140, 59, .8); }
}

@media (prefers-contrast: more) {
  :root {
    --glass: rgba(10, 7, 5, .88);
    --ink-dim: #f0e2ce;
    --ink-mute: #cbb69c;
  }
}