/* ============ NEON VELOCITY · 霓虹极速 ============ */
:root {
  --cyan: #2ee6ff;
  --mag: #ff2d95;
  --vio: #7a2dff;
  --amber: #ffb347;
  --bg-deep: #0a0518;
  --glass: rgba(16, 8, 38, 0.55);
  --stroke: rgba(46, 230, 255, 0.35);
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  font-family: "Segoe UI", "PingFang SC", system-ui, sans-serif;
  color: #eaf6ff;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#game-root { position: fixed; inset: 0; }
#game-root canvas { position: absolute; inset: 0; display: block; }

.hidden { display: none !important; }

/* ---------- 氛围层 ---------- */
.vignette {
  position: absolute; inset: 0; pointer-events: none; z-index: 5;
  background: radial-gradient(ellipse at 50% 42%, transparent 52%, rgba(2, 0, 12, 0.82) 100%);
}
.scanlines {
  position: absolute; inset: 0; pointer-events: none; z-index: 6; opacity: .38;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,.16) 0 1px, transparent 1px 3px);
  mix-blend-mode: multiply;
}

/* ---------- HUD ---------- */
#hud { position: absolute; inset: 0; pointer-events: none; z-index: 10; }
.panel { position: absolute; }

.panel .label {
  font-size: 11px; letter-spacing: .34em; color: var(--cyan);
  text-shadow: 0 0 8px rgba(46,230,255,.9);
  opacity: .85;
}
.panel .num {
  font-size: 40px; font-weight: 800; line-height: 1;
  letter-spacing: .06em;
  color: #fff;
  text-shadow: 0 0 14px var(--cyan), 0 0 34px rgba(46,230,255,.55);
}

.top-left { top: 22px; left: 26px; }
.top-right { top: 22px; right: 26px; text-align: right; }
.top-right .num { font-size: 30px; }
.top-right .num .unit { font-size: 15px; margin-left: 4px; letter-spacing: .2em; color: var(--cyan); }
.best { margin-top: 8px; font-size: 12px; letter-spacing: .22em; color: var(--mag); text-shadow: 0 0 10px rgba(255,45,149,.8); }

.combo {
  margin-top: 10px; display: inline-block;
  padding: 5px 12px; font-size: 15px; font-weight: 700; letter-spacing: .18em;
  color: #fff; background: rgba(255,45,149,.16);
  border: 1px solid var(--mag);
  box-shadow: 0 0 18px rgba(255,45,149,.55), inset 0 0 12px rgba(255,45,149,.3);
  animation: comboPop .35s ease;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
@keyframes comboPop { 0% { transform: scale(.4); } 70% { transform: scale(1.18); } 100% { transform: scale(1); } }

/* 速度表 */
.bottom-left { left: 26px; bottom: 26px; }
#gauge { width: 150px; height: 150px; filter: drop-shadow(0 0 12px rgba(46,230,255,.45)); }
.gauge-arc { fill: none; stroke: rgba(46,230,255,.28); stroke-width: 5; }
.gauge-tick { stroke: rgba(46,230,255,.65); stroke-width: 2.4; }
.gauge-tick.hot { stroke: var(--mag); }
#needle { stroke: var(--mag); stroke-width: 3.4; stroke-linecap: round; filter: drop-shadow(0 0 5px var(--mag)); transition: transform 70ms linear; }
.gauge-ctr { fill: var(--cyan); }
.gauge-label { fill: #dfe9ff; font-size: 13px; letter-spacing: .2em; }

/* 能量条 */
.bottom-right { right: 26px; bottom: 30px; width: 210px; }
.bar-wrap { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.bar-label { width: 52px; font-size: 10px; letter-spacing: .26em; color: var(--cyan); text-shadow: 0 0 8px rgba(46,230,255,.9); }
.bar-wrap.shield .bar-label { color: var(--mag); text-shadow: 0 0 8px rgba(255,45,149,.9); }
.bar {
  flex: 1; height: 12px; position: relative;
  background: rgba(10, 6, 26, .8);
  border: 1px solid rgba(46,230,255,.4);
  box-shadow: inset 0 0 8px rgba(0,0,0,.8);
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}
.bar-wrap.shield .bar { border-color: rgba(255,45,149,.45); }
.bar-fill {
  height: 100%; width: 100%;
  background: linear-gradient(90deg, #0aa6ff, var(--cyan), #d8fbff);
  box-shadow: 0 0 12px rgba(46,230,255,.9);
  transition: width .12s linear;
}
.bar-wrap.shield .bar-fill {
  background: linear-gradient(90deg, #7a2dff, var(--mag), #ff9ac8);
  box-shadow: 0 0 12px rgba(255,45,149,.9);
}

/* 事件横幅 */
#banner {
  position: absolute; top: 20%; left: 50%; transform: translateX(-50%);
  font-size: 34px; font-weight: 900; letter-spacing: .3em; white-space: nowrap;
  color: #fff; pointer-events: none;
  text-shadow: 0 0 18px var(--cyan), 0 0 48px rgba(46,230,255,.8), 0 2px 0 rgba(0,0,0,.5);
  animation: bannerIn 1.5s ease forwards;
}
#banner.hot { text-shadow: 0 0 18px var(--mag), 0 0 48px rgba(255,45,149,.85), 0 2px 0 rgba(0,0,0,.5); }
@keyframes bannerIn {
  0% { opacity: 0; transform: translateX(-50%) scale(.5); }
  18% { opacity: 1; transform: translateX(-50%) scale(1.12); }
  28% { transform: translateX(-50%) scale(1); }
  78% { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) scale(1.04) translateY(-8px); }
}

/* 屏幕闪光 */
#flash-blue, #flash-red {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; z-index: 9;
}
#flash-blue { box-shadow: inset 0 0 140px rgba(46,230,255,.85); }
#flash-red { box-shadow: inset 0 0 170px rgba(255,30,60,.9); }
.fx-flash { animation: fxFlash .42s ease-out; }
@keyframes fxFlash { 0% { opacity: 1; } 100% { opacity: 0; } }

.hint {
  position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%);
  font-size: 11px; letter-spacing: .2em; color: rgba(200,215,255,.5);
}
#paused-tag {
  position: absolute; top: 42%; left: 50%; transform: translateX(-50%);
  font-size: 30px; font-weight: 800; letter-spacing: .5em;
  color: var(--cyan); text-shadow: 0 0 20px rgba(46,230,255,.9);
  animation: pulse 1.1s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .35; } }

/* 触屏按钮 */
#touch { position: absolute; inset: auto 0 0 0; display: flex; justify-content: space-between; padding: 0 22px 20px; pointer-events: none; }
.t-btn {
  pointer-events: auto; width: 74px; height: 74px; border-radius: 50%;
  background: rgba(12, 6, 30, .5); border: 1.5px solid var(--stroke);
  color: var(--cyan); font-size: 24px; backdrop-filter: blur(4px);
  box-shadow: 0 0 16px rgba(46,230,255,.25), inset 0 0 14px rgba(46,230,255,.12);
  touch-action: none;
}
.t-btn:active { background: rgba(46,230,255,.28); }
.t-boost { border-color: rgba(255,45,149,.6); color: var(--mag); box-shadow: 0 0 16px rgba(255,45,149,.4); }
@media (min-width: 820px) { #touch { display: none; } }

/* ---------- 菜单 ---------- */
#menu {
  position: absolute; inset: 0; z-index: 20;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 50% 30%, #1a0b3d 0%, var(--bg-deep) 72%);
  text-align: center;
}
.menu-grid {
  position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(46,230,255,.10) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(46,230,255,.10) 0 1px, transparent 1px 44px);
  mask-image: radial-gradient(ellipse at 50% 45%, #000 30%, transparent 80%);
}
.title {
  font-size: clamp(44px, 9vw, 92px); font-weight: 900; letter-spacing: .12em;
  color: #fff; position: relative; z-index: 1;
  text-shadow: 0 0 18px var(--cyan), 0 0 60px rgba(46,230,255,.65), 0 6px 0 rgba(0,0,0,.55);
}
.title span {
  color: var(--mag);
  text-shadow: 0 0 18px var(--mag), 0 0 60px rgba(255,45,149,.7), 0 6px 0 rgba(0,0,0,.55);
}
.subtitle {
  margin-top: 10px; font-size: 15px; letter-spacing: .62em; color: var(--amber);
  text-shadow: 0 0 12px rgba(255,179,71,.8);
}
.rules {
  margin-top: 34px; font-size: 13.5px; line-height: 2.1; letter-spacing: .1em;
  color: rgba(214,226,255,.78);
}
.rules b { color: var(--cyan); text-shadow: 0 0 10px rgba(46,230,255,.8); }
.rules div:nth-child(3) b, .rules div:nth-child(4) b { color: var(--mag); text-shadow: 0 0 10px rgba(255,45,149,.8); }
.cta {
  margin-top: 40px; padding: 16px 46px; font-size: 18px; font-weight: 800; letter-spacing: .3em;
  color: #fff; cursor: pointer; background: linear-gradient(120deg, #7a2dff, var(--mag));
  border: none; clip-path: polygon(16px 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
  box-shadow: 0 0 26px rgba(255,45,149,.75), 0 0 70px rgba(122,45,255,.4);
  transition: transform .12s ease, box-shadow .2s ease;
  position: relative; z-index: 1;
}
.cta:hover { transform: scale(1.06); box-shadow: 0 0 40px rgba(255,45,149,1), 0 0 90px rgba(122,45,255,.6); }
.cta:active { transform: scale(.97); }
.cta.danger { background: linear-gradient(120deg, #ff3d3d, var(--mag)); box-shadow: 0 0 26px rgba(255,45,90,.7); }
.cta.ghost {
  margin-top: 16px; background: transparent; color: var(--cyan);
  border: 1.5px solid var(--stroke); box-shadow: 0 0 16px rgba(46,230,255,.3);
}
.press-hint { margin-top: 18px; font-size: 11px; letter-spacing: .4em; color: rgba(180,200,255,.5); animation: pulse 1.6s infinite; }

/* ---------- 结算 ---------- */
#over {
  position: absolute; inset: 0; z-index: 20;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 50% 30%, rgba(90, 6, 26, .55) 0%, rgba(8, 2, 14, .92) 70%);
  text-align: center;
  animation: overIn .7s ease;
}
@keyframes overIn { from { opacity: 0; transform: scale(1.06); } }
.over-title {
  font-size: clamp(30px, 6vw, 54px); font-weight: 900; letter-spacing: .3em; color: #ff4d6d;
  text-shadow: 0 0 20px rgba(255,40,80,.9), 0 0 70px rgba(255,40,80,.5);
}
.over-score { margin-top: 26px; }
.over-score .num { font-size: 58px; font-weight: 800; text-shadow: 0 0 20px var(--cyan), 0 0 60px rgba(46,230,255,.55); }
.over-row {
  margin-top: 14px; width: 280px; display: flex; justify-content: space-between;
  font-size: 14px; letter-spacing: .18em; color: rgba(214,226,255,.75);
  border-bottom: 1px dashed rgba(122,45,255,.5); padding-bottom: 8px;
}
.over-row b { color: #fff; }
#new-record { margin-top: 16px; color: var(--amber); letter-spacing: .3em; text-shadow: 0 0 14px rgba(255,179,71,.9); animation: pulse 1s infinite; }

/* ---------- 排名徽章 ---------- */
.rank {
  margin-top: 6px; display: inline-block;
  font-size: 15px; font-weight: 800; letter-spacing: .16em;
  color: var(--cyan); text-shadow: 0 0 10px rgba(46,230,255,.8);
  background: rgba(46,230,255,.08); border: 1px solid rgba(46,230,255,.3);
  padding: 3px 10px; border-radius: 4px;
}
.rank.leading { color: var(--amber); border-color: rgba(255,179,71,.5); background: rgba(255,179,71,.1); text-shadow: 0 0 10px rgba(255,179,71,.9); }

/* ---------- 地图选择 ---------- */
.map-label {
  margin-top: 14px; font-size: 11px; letter-spacing: .4em; color: rgba(143,216,255,.7);
}
.map-select { display: flex; gap: 12px; margin-top: 10px; justify-content: center; }
.map-card {
  width: 168px; padding: 0 0 8px; border-radius: 10px;
  background: rgba(16, 8, 38, .72); border: 1.5px solid var(--stroke);
  color: #eaf6ff; cursor: pointer; text-align: center; font-family: inherit;
  backdrop-filter: blur(6px); transition: transform .18s, box-shadow .18s, border-color .18s;
  overflow: hidden;
}
.map-card:hover { transform: translateY(-4px); box-shadow: 0 6px 24px rgba(46,230,255,.25); }
.map-card.sel { border-color: var(--cyan); box-shadow: 0 0 20px rgba(46,230,255,.55), inset 0 0 12px rgba(46,230,255,.15); }
.map-thumb { height: 46px; width: 100%; }
.map-name { margin-top: 6px; font-size: 15px; font-weight: 800; letter-spacing: .12em; }
.map-sub { font-size: 9px; letter-spacing: .3em; color: var(--cyan); opacity: .85; margin-top: 2px; }
.map-desc { font-size: 10px; color: rgba(200,215,255,.65); margin-top: 4px; line-height: 1.4; padding: 0 6px; }
.map-diff { font-size: 9px; margin-top: 5px; color: var(--mag); letter-spacing: .2em; }

@media (max-width: 640px) {
  .map-card { width: 104px; }
  .map-desc { display: none; }
}