:root {
  --accent: #ff5a1f;
  --accent2: #00d0ff;
  --bg: #05090e;
  --panel: rgba(10, 16, 24, 0.82);
  --panel-border: rgba(0, 208, 255, 0.25);
  --text: #d9e4ee;
  --muted: #6b7a8a;
  --good: #00e07a;
  --warn: #ffd23f;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  -webkit-user-select: none; user-select: none;
}

#app, #game-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#game-canvas { outline: none; }

.hidden { display: none !important; }

/* ========================================================= HUD */
#hud { position: absolute; inset: 0; pointer-events: none; z-index: 5; }

#speedo { position: absolute; left: 22px; bottom: 20px; width: 210px; height: 210px; }
#speedo-svg { width: 100%; height: 100%; filter: drop-shadow(0 4px 14px rgba(0,0,0,.7)); }
.speedo-value { font-size: 30px; font-weight: 700; fill: #fff; font-family: inherit; }
.speedo-unit { font-size: 10px; fill: var(--muted); letter-spacing: 2px; }
.speedo-gear { font-size: 26px; font-weight: 800; fill: var(--accent2); font-family: inherit; }
#speedo-ticks line, #speedo-ticks text { stroke: #35465a; }
#speedo-ticks text { fill: #8297ab; font-size: 9px; }

#rpm-wrap {
  position: absolute; left: 252px; bottom: 34px; width: 300px;
  background: var(--panel); border: 1px solid var(--panel-border);
  border-radius: 8px; padding: 10px 12px; backdrop-filter: blur(4px);
}
#rpm-label { font-size: 10px; letter-spacing: 2px; color: var(--muted); }
#rpm-bar { height: 14px; background: #0c1520; border-radius: 7px; margin-top: 6px; overflow: hidden; position: relative; }
#rpm-fill { height: 100%; width: 0%; background: linear-gradient(90deg, #00d0ff, #00e07a 55%, #ffd23f 80%, #ff5a1f 92%); transition: width .05s linear; }
#rpm-redline { position: absolute; top: 0; height: 100%; width: 3px; background: #fff; right: 12%; opacity: .7; }
#gear-big { position: absolute; right: 12px; top: 6px; font-size: 22px; font-weight: 900; color: #fff; }

#race-info { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); text-align: center; }
#pos-big-wrap { font-weight: 900; font-size: 34px; letter-spacing: 2px; text-shadow: 0 2px 10px rgba(0,0,0,.8); }
#pos-big { color: #fff; }
#pos-total { color: var(--muted); font-size: 20px; }
#lap-counter { font-size: 14px; color: var(--accent2); letter-spacing: 2px; margin-top: 2px; }
#race-timer { font-size: 15px; font-variant-numeric: tabular-nums; color: #fff; margin-top: 2px; }

#lap-panel {
  position: absolute; top: 18px; right: 18px; min-width: 168px;
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: 8px;
  padding: 10px 14px; font-size: 12px; backdrop-filter: blur(4px);
}
.lp-row { display: flex; justify-content: space-between; gap: 20px; padding: 3px 0; }
.lp-row span:first-child { color: var(--muted); letter-spacing: 1px; }
.lp-row span:last-child { font-variant-numeric: tabular-nums; font-weight: 600; }
#lp-best span:last-child, #lp-best { color: var(--good); }
#lp-sector-row span:last-child { color: var(--accent2); }
.lp-pulse { animation: lpflash .6s ease; }
@keyframes lpflash { 0%{color:#fff} 60%{color:#fff} 100%{} }

#car-status {
  position: absolute; right: 18px; bottom: 20px; width: 210px;
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: 8px;
  padding: 10px 14px; font-size: 11px; backdrop-filter: blur(4px);
}
.cs-title { color: var(--muted); letter-spacing: 2px; margin-bottom: 6px; }
.cs-row { display: flex; justify-content: space-between; align-items: center; padding: 3px 0; }
.cs-bar { width: 120px; height: 8px; background: #0c1520; border-radius: 4px; overflow: hidden; }
.cs-bar > div { height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--good), var(--warn)); width: 100%; }
.cs-bar > div.warn { background: linear-gradient(90deg, var(--warn), #ff5a1f); }
.cs-bar > div.crit { background: #ff3b3b; }

#toast {
  position: absolute; top: 110px; left: 50%; transform: translateX(-50%);
  text-align: center; font-size: 22px; font-weight: 800; letter-spacing: 4px;
  color: #fff; text-shadow: 0 2px 16px rgba(0,0,0,.9); pointer-events: none;
}
#toast.show { animation: toastin 2.4s ease forwards; }
@keyframes toastin {
  0% { opacity: 0; transform: translateX(-50%) translateY(-16px) scale(.8); }
  12% { opacity: 1; transform: translateX(-50%) translateY(0) scale(1.05); }
  20% { transform: translateX(-50%) translateY(0) scale(1); }
  82% { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) translateY(8px); }
}

#countdown {
  position: absolute; top: 44%; left: 50%; transform: translate(-50%, -50%);
  text-align: center;
}
.cd-lights { display: flex; gap: 14px; justify-content: center; margin-bottom: 18px; }
.cd-light {
  width: 46px; height: 46px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #4a4a52, #14141a 75%);
  border: 2px solid #000; box-shadow: inset 0 0 12px #000, 0 0 0 3px #222;
  transition: all .12s ease;
}
.cd-light.on { background: radial-gradient(circle at 35% 30%, #ff9d4a, #ff1f00 75%); box-shadow: 0 0 34px #ff3b00; }
#cd-text { font-size: 64px; font-weight: 900; color: #fff; letter-spacing: 8px; text-shadow: 0 0 30px rgba(255,90,31,.8); }

#minimap {
  position: absolute; bottom: 18px; right: 250px;
  background: rgba(5, 12, 20, 0.72); border: 1px solid var(--panel-border);
  border-radius: 10px; backdrop-filter: blur(4px);
}

#cam-hint {
  position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%);
  font-size: 10px; color: rgba(140, 160, 180, .55); letter-spacing: 2px;
}

/* ========================================================= MENUS */
#overlay { position: absolute; inset: 0; z-index: 10; pointer-events: none; }
.screen {
  position: absolute; inset: 0;
  display: none; flex-direction: column; align-items: center; justify-content: center;
  pointer-events: auto;
  background: radial-gradient(ellipse at 50% 120%, rgba(255,90,31,.10), rgba(0,0,0,.55) 70%);
  backdrop-filter: blur(6px);
  animation: screenin .35s ease;
}
.screen.active { display: flex; }
@keyframes screenin { from { opacity: 0; transform: scale(1.03); } to { opacity: 1; transform: scale(1); } }

/* Title */
#screen-title { background: radial-gradient(ellipse at 50% 130%, rgba(0,208,255,.14), rgba(0,0,0,.62) 72%); }
.title-logo { text-align: center; margin-bottom: 44px; }
.logo-top { font-size: 30px; letter-spacing: 18px; color: var(--accent2); font-weight: 700; }
.logo-mid {
  font-size: 118px; font-weight: 900; line-height: .95; letter-spacing: 4px;
  color: #fff; text-shadow: 0 0 40px rgba(0,208,255,.45), 0 6px 0 #0b1a26;
  transform: skewX(-6deg);
}
.logo-sub { font-size: 13px; letter-spacing: 10px; color: var(--muted); margin-top: 10px; }
.title-footer { position: absolute; bottom: 26px; font-size: 12px; color: rgba(140,160,180,.6); letter-spacing: 2px; }

/* Buttons */
.menu-column { display: flex; flex-direction: column; gap: 14px; width: 300px; }
.menu-row { display: flex; gap: 16px; justify-content: center; margin-top: 30px; }
.menu-btn {
  pointer-events: auto; cursor: pointer;
  font-family: inherit; font-size: 15px; font-weight: 700; letter-spacing: 3px;
  color: var(--text); background: rgba(14, 24, 34, .85);
  border: 1px solid rgba(120, 150, 180, .35); border-radius: 6px;
  padding: 15px 22px; transition: all .16s ease;
}
.menu-btn:hover { background: rgba(30, 46, 62, .95); border-color: var(--accent2); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.5); }
.menu-btn.primary { background: linear-gradient(180deg, #ff7a33, #ff4d00); border-color: #ff8a4d; color: #fff; }
.menu-btn.primary:hover { background: linear-gradient(180deg, #ff8a4a, #ff5a1f); box-shadow: 0 8px 24px rgba(255,90,31,.5); }
.menu-btn.back { min-width: 140px; }

/* Head */
.screen-head { font-size: 26px; font-weight: 800; letter-spacing: 8px; color: #fff; margin-bottom: 34px; text-shadow: 0 0 24px rgba(0,208,255,.5); }

/* Car gallery */
#screen-car { background: radial-gradient(ellipse at 50% 120%, rgba(0,208,255,.05), rgba(0,0,0,.28) 70%); backdrop-filter: blur(2px); }
#screen-track { background: radial-gradient(ellipse at 50% 120%, rgba(255,90,31,.05), rgba(0,0,0,.28) 70%); backdrop-filter: blur(2px); }
.car-gallery-wrap { display: flex; align-items: center; gap: 20px; }
.car-arrow {
  pointer-events: auto; cursor: pointer; font-size: 44px; color: var(--muted);
  padding: 10px 16px; border: 1px solid rgba(120,150,180,.3); border-radius: 8px; background: rgba(10,16,24,.6);
  transition: all .15s;
}
.car-arrow:hover { color: #fff; border-color: var(--accent2); box-shadow: 0 0 18px rgba(0,208,255,.4); }
.car-stage { text-align: center; width: 460px; }
#car-stage-name { font-size: 30px; font-weight: 900; letter-spacing: 3px; margin-bottom: 6px; }
#car-stage-3d { width: 460px; height: 260px; background: radial-gradient(ellipse at 50% 100%, rgba(0,208,255,.12), rgba(10,20,30,.35)); border: 1px solid rgba(120,150,180,.18); border-radius: 10px; }
.car-stage-meta { color: var(--muted); font-size: 13px; margin-top: 8px; }

.car-stats { width: 460px; margin-top: 22px; display: flex; flex-direction: column; gap: 9px; }
.stat { display: grid; grid-template-columns: 110px 1fr 40px; align-items: center; gap: 10px; font-size: 12px; letter-spacing: 1px; color: var(--muted); }
.stat-bar { height: 9px; background: #0c1520; border-radius: 5px; overflow: hidden; }
.stat-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent2), var(--accent)); border-radius: 5px; transition: width .3s ease; }
.stat-val { text-align: right; color: var(--text); font-weight: 700; }

/* Track gallery */
.track-gallery-wrap { display: flex; align-items: center; gap: 24px; }
.track-stage { text-align: center; width: 380px; }
#track-stage-name { font-size: 30px; font-weight: 900; letter-spacing: 3px; margin-bottom: 12px; }
#track-mini { border: 1px solid rgba(120,150,180,.25); border-radius: 10px; background: #071019; }
#track-stage-meta { color: var(--muted); font-size: 13px; margin-top: 12px; line-height: 1.7; }

/* Options */
.options-list { width: 460px; display: flex; flex-direction: column; gap: 16px; }
.opt-row { display: flex; justify-content: space-between; align-items: center; font-size: 14px; letter-spacing: 2px; color: var(--text); }
.opt-seg { display: flex; gap: 6px; }
.opt-seg .seg {
  pointer-events: auto; cursor: pointer; font-family: inherit; font-size: 11px; font-weight: 700; letter-spacing: 1px;
  color: var(--muted); background: rgba(14,24,34,.8); border: 1px solid rgba(120,150,180,.3); border-radius: 5px; padding: 8px 12px;
}
.opt-seg .seg.active { background: linear-gradient(180deg, #ff7a33, #ff4d00); color: #fff; border-color: #ff8a4d; }

/* Help */
.help-body { display: flex; gap: 40px; max-width: 860px; }
.help-block { flex: 1; background: var(--panel); border: 1px solid var(--panel-border); border-radius: 10px; padding: 22px 26px; }
.help-block h3 { color: var(--accent2); letter-spacing: 3px; margin-bottom: 14px; font-size: 15px; }
.help-block p { margin: 8px 0; font-size: 13px; line-height: 1.5; color: #b9c8d6; }
.help-block b { color: #fff; }

/* Loading */
#screen-loading { background: radial-gradient(ellipse at 50% 120%, rgba(255,90,31,.12), rgba(0,0,0,.7) 70%); }
.loading-logo { font-size: 60px; font-weight: 900; letter-spacing: 8px; color: #fff; text-shadow: 0 0 40px rgba(0,208,255,.5); margin-bottom: 40px; }
.loading-bar { width: 400px; height: 8px; background: #0c1520; border-radius: 4px; overflow: hidden; border: 1px solid rgba(120,150,180,.25); }
#loading-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent2), var(--accent)); transition: width .2s ease; }
#loading-text { margin-top: 16px; font-size: 13px; letter-spacing: 4px; color: var(--muted); }

/* Results */
#results-podium { display: flex; align-items: flex-end; gap: 18px; margin-bottom: 26px; }
.podium { width: 130px; text-align: center; }
.podium .p-pos { font-size: 40px; font-weight: 900; }
.podium .p-car { font-size: 12px; letter-spacing: 1px; margin: 4px 0; color: var(--muted); }
.podium .p-time { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.podium .p-block { border-radius: 8px 8px 0 0; margin-top: 6px; border: 1px solid rgba(120,150,180,.3); }
.podium:nth-child(1) .p-block { height: 120px; background: linear-gradient(180deg,#ffd700,#b8860b); }
.podium:nth-child(2) .p-block { height: 88px; background: linear-gradient(180deg,#d7dbe0,#8b919a); }
.podium:nth-child(3) .p-block { height: 60px; background: linear-gradient(180deg,#cd7f32,#7a4516); }

#results-table { width: 520px; border-collapse: collapse; font-size: 13px; }
#results-table .rt-row { display: grid; grid-template-columns: 40px 1fr 90px 90px; padding: 8px 14px; border-bottom: 1px solid rgba(120,150,180,.15); }
#results-table .rt-row.header { color: var(--muted); letter-spacing: 2px; font-size: 11px; }
#results-table .rt-row.me { background: rgba(0,208,255,.10); border-left: 3px solid var(--accent2); }
#results-table .rt-pos { font-weight: 800; }
#results-table .rt-name { color: var(--text); }
#results-table .rt-time, #results-table .rt-gap { font-variant-numeric: tabular-nums; color: var(--muted); }

@media (max-width: 900px) {
  #speedo { width: 160px; height: 160px; left: 10px; bottom: 10px; }
  #rpm-wrap { display: none; }
  #lap-panel { display: none; }
  #car-status { display: none; }
  #minimap { display: none; }
}