/* ============ ROCKET CLASH — UI stylesheet ============ */
:root {
  --blue: #1e6fff;
  --blue-glow: #4da3ff;
  --orange: #ff7a1a;
  --orange-glow: #ffb054;
  --bg-deep: #05070f;
  --panel: rgba(10, 16, 34, 0.82);
  --panel-edge: rgba(120, 170, 255, 0.25);
  --text: #e8efff;
  --text-dim: #8fa3c8;
  --accent: #ffd34d;
  font-size: clamp(13px, 1.4vw, 18px);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { width: 100%; height: 100%; overflow: hidden; background: var(--bg-deep); }
body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  -webkit-user-select: none; user-select: none;
}
#app { position: fixed; inset: 0; }
#game-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hidden { display: none !important; }

/* ---------- generic screens ---------- */
.screen {
  position: absolute; inset: 0; z-index: 30;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2.2vh; padding: 4vh 4vw; text-align: center;
  background: radial-gradient(120% 90% at 50% 110%, rgba(20,40,90,0.55), rgba(5,7,15,0.88) 70%);
  backdrop-filter: blur(3px);
}
.screen.overlay { background: rgba(4, 6, 14, 0.72); }
.screen-title {
  font-size: 2.6rem; letter-spacing: 0.35em; font-weight: 800; font-style: italic;
  text-shadow: 0 0 22px rgba(90,150,255,0.55);
}
.game-logo {
  font-size: clamp(3rem, 9vw, 7rem); font-weight: 900; font-style: italic; letter-spacing: 0.06em;
  line-height: 0.95; color: #fff;
  text-shadow: 0 0 8px rgba(255,255,255,0.4), 0 0 34px var(--blue-glow), 0 0 90px var(--blue);
}
.game-logo span {
  display: block; color: var(--accent);
  text-shadow: 0 0 10px rgba(255,211,77,0.5), 0 0 40px var(--orange), 0 0 100px var(--orange);
}
.tagline { color: var(--text-dim); letter-spacing: 0.5em; text-transform: uppercase; font-size: 0.85rem; }
.footnote { position: absolute; bottom: 3vh; color: var(--text-dim); font-size: 0.75rem; letter-spacing: 0.12em; }

.menu-stack { display: flex; flex-direction: column; gap: 1.4vh; min-width: min(340px, 70vw); }
.menu-stack.row { flex-direction: row; justify-content: center; min-width: 0; }
.btn {
  font: inherit; font-weight: 700; letter-spacing: 0.22em; font-size: 1rem;
  color: var(--text); background: linear-gradient(180deg, rgba(50,70,120,0.6), rgba(20,30,60,0.75));
  border: 1px solid var(--panel-edge); border-radius: 8px;
  padding: 1.5vh 3vw; cursor: pointer; text-transform: uppercase;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 0 18px rgba(90,150,255,0.45); }
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: linear-gradient(180deg, #ffcf4d, #ff8b1f);
  color: #221100; border-color: rgba(255, 200, 90, 0.7);
  text-shadow: none; box-shadow: 0 0 24px rgba(255, 150, 40, 0.35);
}
.btn-primary:hover { box-shadow: 0 0 34px rgba(255, 170, 50, 0.7); }

.panel {
  background: var(--panel); border: 1px solid var(--panel-edge); border-radius: 12px;
  padding: 2.4vh 2.4vw; max-width: min(860px, 92vw);
  box-shadow: 0 12px 50px rgba(0,0,0,0.5), inset 0 0 40px rgba(40,70,140,0.12);
}
.panel h3 { margin: 1.2vh 0 0.8vh; letter-spacing: 0.2em; font-size: 0.9rem; color: var(--accent); text-transform: uppercase; }

.setting-row { display: flex; align-items: center; gap: 2vw; margin: 1.6vh 0; text-align: left; }
.setting-row label { width: 9em; color: var(--text-dim); letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.85rem; }
.seg { display: flex; gap: 6px; flex-wrap: wrap; }
.seg button {
  font: inherit; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.1em;
  padding: 0.8vh 1.4vw; border-radius: 6px; cursor: pointer;
  color: var(--text-dim); background: rgba(30,45,85,0.5); border: 1px solid transparent;
  transition: all 0.12s ease;
}
.seg button:hover { color: var(--text); }
.seg button.on {
  color: #fff; border-color: var(--blue-glow);
  background: linear-gradient(180deg, rgba(60,110,220,0.8), rgba(30,60,140,0.8));
  box-shadow: 0 0 14px rgba(80,140,255,0.45);
}

.garage-grid { display: flex; gap: 2vw; flex-wrap: wrap; justify-content: center; }
.swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch {
  width: 42px; height: 42px; border-radius: 8px; cursor: pointer;
  border: 2px solid rgba(255,255,255,0.15); transition: all 0.12s ease;
}
.swatch:hover { transform: scale(1.12); }
.swatch.on { border-color: #fff; box-shadow: 0 0 14px rgba(255,255,255,0.6); transform: scale(1.12); }
.garage-note { max-width: 320px; text-align: left; color: var(--text-dim); line-height: 1.55; }

.howto { display: flex; gap: 3vw; text-align: left; flex-wrap: wrap; justify-content: center; max-height: 60vh; overflow: auto; }
.howto-col { min-width: 260px; max-width: 380px; }
.howto ul { list-style: none; }
.howto li { padding: 0.45vh 0; color: var(--text-dim); }
.howto b { color: var(--text); background: rgba(90,140,255,0.18); border-radius: 4px; padding: 0 6px; }

/* ---------- HUD ---------- */
#hud { position: absolute; inset: 0; z-index: 20; pointer-events: none; }
#scoreboard {
  position: absolute; top: 1.6vh; left: 50%; transform: translateX(-50%);
  display: flex; align-items: stretch; gap: 0;
  border-radius: 10px; overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.55);
  font-weight: 800;
}
.sb-team { display: flex; align-items: center; gap: 1vw; padding: 0.8vh 1.4vw; font-size: 1.25rem; }
.sb-blue { background: linear-gradient(180deg, #2456c9, #123068); }
.sb-orange { background: linear-gradient(180deg, #e0641a, #7a3208); }
.sb-score { font-size: 1.7rem; min-width: 1.4em; text-align: center; }
.sb-name { letter-spacing: 0.15em; font-size: 0.85rem; opacity: 0.9; }
#sb-clock-wrap {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: rgba(6,10,22,0.92); padding: 0.4vh 1.2vw;
}
#sb-clock { font-size: 1.5rem; font-variant-numeric: tabular-nums; letter-spacing: 0.06em; }
#sb-clock.low { color: #ff5544; animation: pulse 1s infinite; }
#sb-ot { font-size: 0.7rem; color: var(--accent); letter-spacing: 0.25em; }
@keyframes pulse { 50% { opacity: 0.45; } }

#boost-meter { position: absolute; right: 2.4vw; bottom: 3vh; display: flex; flex-direction: column; align-items: center; gap: 1vh; }
#boost-ring {
  position: relative; width: clamp(84px, 9vw, 128px); height: clamp(84px, 9vw, 128px);
  border-radius: 50%; background: conic-gradient(rgba(255,255,255,0.08) 0 100%);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 24px rgba(0,0,0,0.5), inset 0 0 18px rgba(0,0,0,0.6);
}
#boost-ring::after { content: ""; position: absolute; inset: 12%; border-radius: 50%; background: rgba(5,8,18,0.9); }
#boost-fill {
  position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--p) * 1%), rgba(255,255,255,0.06) 0);
  transition: background 0.15s linear;
  -webkit-mask: radial-gradient(circle, transparent 58%, #000 59%);
  mask: radial-gradient(circle, transparent 58%, #000 59%);
}
#boost-num { position: relative; z-index: 2; font-size: 1.6rem; font-weight: 900; font-variant-numeric: tabular-nums; }
#boost-num.full { color: var(--accent); text-shadow: 0 0 14px rgba(255, 200, 60, 0.8); }
#speedo { font-weight: 800; font-size: 1.1rem; color: var(--text-dim); }
#speed-num { color: var(--text); font-size: 1.5rem; font-variant-numeric: tabular-nums; margin-right: 4px; }
#speed-num.sonic { color: var(--accent); text-shadow: 0 0 12px rgba(255,210,80,0.9); }
.speedo-unit { font-size: 0.7rem; letter-spacing: 0.15em; }

#ballcam-ind {
  position: absolute; left: 2.4vw; bottom: 3vh; font-size: 0.75rem; letter-spacing: 0.3em;
  color: var(--accent); border: 1px solid rgba(255,211,77,0.5); border-radius: 6px; padding: 6px 10px;
  background: rgba(10,14,28,0.7);
}
#hint-bar {
  position: absolute; bottom: 1vh; left: 50%; transform: translateX(-50%);
  font-size: 0.68rem; color: var(--text-dim); letter-spacing: 0.1em; opacity: 0.75; white-space: nowrap;
}

#countdown {
  position: absolute; top: 34%; left: 50%; transform: translate(-50%, -50%);
  font-size: clamp(5rem, 16vw, 12rem); font-weight: 900; font-style: italic; color: #fff;
  text-shadow: 0 0 30px var(--blue-glow), 0 0 90px var(--blue);
}
#countdown.go { color: var(--accent); text-shadow: 0 0 30px var(--orange-glow), 0 0 100px var(--orange); }

#announce {
  position: absolute; top: 26%; left: 50%; transform: translateX(-50%);
  text-align: center; pointer-events: none;
}
#announce-main {
  font-size: clamp(3rem, 9vw, 7rem); font-weight: 900; font-style: italic; letter-spacing: 0.08em;
  color: #fff; animation: announce-pop 0.5s cubic-bezier(0.2, 2.2, 0.4, 1);
}
#announce-main.blue { text-shadow: 0 0 20px var(--blue-glow), 0 0 80px var(--blue); }
#announce-main.orange { text-shadow: 0 0 20px var(--orange-glow), 0 0 80px var(--orange); }
#announce-main.gold { color: var(--accent); text-shadow: 0 0 24px var(--orange-glow), 0 0 90px var(--orange); }
#announce-sub { font-size: 1.2rem; letter-spacing: 0.4em; color: var(--text); opacity: 0.9; margin-top: 1vh; text-transform: uppercase; }
@keyframes announce-pop { 0% { transform: scale(0.2); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }

#player-banner {
  position: absolute; bottom: 14vh; left: 50%; transform: translateX(-50%);
  font-size: 1rem; letter-spacing: 0.25em; color: var(--text);
  background: rgba(8,12,26,0.8); border: 1px solid var(--panel-edge);
  padding: 8px 22px; border-radius: 8px; text-transform: uppercase;
}

#mute-ind {
  position: absolute; top: 1.6vh; right: 2vw; z-index: 40; font-size: 0.75rem;
  color: var(--text-dim); background: rgba(8,12,26,0.75); padding: 6px 10px; border-radius: 6px;
}

/* ---------- results ---------- */
.results-score { font-size: clamp(3rem, 8vw, 6rem); font-weight: 900; font-variant-numeric: tabular-nums; }
.results-score em { font-style: normal; color: var(--text-dim); margin: 0 1vw; }
#res-blue { color: var(--blue-glow); text-shadow: 0 0 26px var(--blue); }
#res-orange { color: var(--orange-glow); text-shadow: 0 0 26px var(--orange); }
#results-stats { min-width: min(560px, 90vw); }
#results-stats table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
#results-stats th { color: var(--text-dim); font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; padding: 6px 4px; }
#results-stats td { padding: 6px 4px; font-size: 1.05rem; }
#results-stats tr + tr td { border-top: 1px solid rgba(120,170,255,0.12); }

/* ---------- loading ---------- */
#loading {
  position: absolute; inset: 0; z-index: 50; background: var(--bg-deep);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2vh;
  color: var(--text-dim); letter-spacing: 0.2em; font-size: 0.85rem;
}
.loader-car {
  width: 64px; height: 30px; border-radius: 8px 16px 10px 6px;
  background: linear-gradient(180deg, #4da3ff, #123c9e);
  animation: rev 0.6s infinite alternate ease-in-out;
  box-shadow: -30px 8px 30px 2px rgba(255,150,50,0.55);
}
@keyframes rev { from { transform: translateY(0) rotate(-2deg); } to { transform: translateY(-6px) rotate(2deg); } }

@media (max-width: 700px) {
  .setting-row { flex-direction: column; align-items: flex-start; gap: 6px; }
  .howto { flex-direction: column; }
  #hint-bar { display: none; }
}