/* AIR HOCKEY NEON - style.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #050810;
  --surface:      rgba(8,14,26,.92);
  --border:       rgba(0,245,255,.16);
  --border2:      rgba(255,255,255,.05);
  --accent:       #00f5ff;
  --accent-glow:  rgba(0,245,255,.30);
  --accent2:      #ff2d78;
  --accent2-glow: rgba(255,45,120,.30);
  --text:         #e6eeff;
  --muted:        #606890;
  --font:         'Orbitron', monospace;
  --font-body:    'Rajdhani', sans-serif;
  --radius:       10px;
}

html { font-size: 16px; }

body {
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  background:
    radial-gradient(ellipse 65% 45% at 10% 10%, rgba(0,245,255,.09) 0%, transparent 60%),
    radial-gradient(ellipse 55% 45% at 90% 90%, rgba(255,45,120,.10) 0%, transparent 60%),
    linear-gradient(160deg, #03060d 0%, #060810 60%, #0a0510 100%);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button, select { font-family: var(--font); cursor: pointer; }

.game-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .75rem 1rem;
  gap: .65rem;
}

.game-header {
  width: min(1220px, 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 0 0 1px rgba(0,245,255,.04), inset 0 1px 0 rgba(255,255,255,.03);
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: .9rem;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}

.eyebrow {
  font-family: var(--font);
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .25em;
  color: var(--accent);
  text-shadow: 0 0 14px var(--accent-glow);
  text-transform: uppercase;
}

.select-group {
  display: flex;
  align-items: center;
  gap: .45rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(0,245,255,.38);
  color: var(--accent);
  background: transparent;
  border-radius: 7px;
  font-size: 1.2rem;
  line-height: 1;
  transition: background .16s, color .16s, box-shadow .16s;
}

.neon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0,245,255,.38);
  color: var(--accent);
  background: transparent;
  border-radius: 7px;
  padding: .5rem .9rem;
  font-size: .6rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background .16s, color .16s, box-shadow .16s;
}
.back-link:hover, .neon-btn:hover {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 20px var(--accent-glow);
}

.game-title {
  font-family: var(--font);
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: .06em;
  color: #e8f0ff;
  text-shadow: 0 0 16px rgba(255,255,255,.14);
}
.accent { color: var(--accent); text-shadow: 0 0 16px var(--accent-glow); }
.accent-2 { color: var(--accent2); text-shadow: 0 0 22px var(--accent2-glow); }

.hud-bar {
  width: min(1220px, 100%);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: .5rem;
  padding: .8rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
}

.hud-side {
  display: flex;
  flex-direction: column;
  gap: .18rem;
}
.left-hud  { align-items: flex-start; }
.right-hud { align-items: flex-end; }

.hud-label {
  font-family: var(--font);
  font-size: .55rem;
  letter-spacing: .2em;
  color: var(--muted);
  text-transform: uppercase;
}

.hud-score {
  font-family: var(--font);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1;
  color: var(--accent);
  text-shadow: 0 0 24px var(--accent-glow);
  transition: transform .1s;
}

.wins-row {
  display: flex;
  gap: 5px;
  min-height: 10px;
}
.right-wins { justify-content: flex-end; }
.pip {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 7px var(--accent-glow);
}
.right-wins .pip {
  background: var(--accent2);
  box-shadow: 0 0 7px var(--accent2-glow);
}

.hud-center {
  display: flex;
  gap: .75rem;
  align-items: center;
  padding: 0 1rem;
  border-left: 1px solid var(--border2);
  border-right: 1px solid var(--border2);
}

.hud-info-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
}

.hud-mini {
  font-family: var(--font);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .08em;
  color: var(--text);
  line-height: 1;
}

.ctrl-select {
  min-height: 32px;
  padding: 0 1.6rem 0 .65rem;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  background-color: rgba(6,12,22,.92);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 12px) 13px, calc(100% - 8px) 13px;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
  appearance: none;
  cursor: pointer;
  transition: border-color .15s;
}
.ctrl-select:focus, .ctrl-select:hover {
  outline: none;
  border-color: rgba(0,245,255,.5);
}
.ctrl-select option { background: #080e1a; }

.stage-wrap {
  position: relative;
  width: min(1220px, 100%);
  border: 1px solid rgba(0,245,255,.22);
  border-radius: var(--radius);
  overflow: hidden;
  background: #020408;
  box-shadow:
    0 0 0 1px rgba(0,245,255,.04),
    0 0 50px rgba(0,245,255,.09),
    0 0 80px rgba(255,45,120,.07);
}

canvas#gameCanvas {
  display: block;
  width: 100%;
  height: auto;
  touch-action: none;
}

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .9rem;
  padding: 1.5rem;
  background: rgba(2,4,10,.88);
  backdrop-filter: blur(5px);
  text-align: center;
  z-index: 10;
}
.screen.hidden { display: none; }
.screen.goal-overlay { background: rgba(2,4,10,.72); backdrop-filter: blur(2px); }

.screen-eyebrow {
  font-family: var(--font);
  font-size: .62rem;
  letter-spacing: .28em;
  color: var(--accent);
  text-shadow: 0 0 12px var(--accent-glow);
  text-transform: uppercase;
}

.screen-title {
  font-family: var(--font);
  font-size: clamp(2rem, 7vw, 4rem);
  font-weight: 900;
  letter-spacing: .05em;
  color: #f0f6ff;
  text-shadow: 0 0 30px rgba(255,255,255,.22);
  line-height: 1.05;
}

.screen-accent {
  color: var(--accent);
  text-shadow: 0 0 22px var(--accent-glow);
}

.screen-sub {
  color: rgba(170,185,220,.82);
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.65;
  max-width: 420px;
}

.big-btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  min-height: 50px;
  padding: 0 2.2rem;
  font-family: var(--font);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: #000;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  box-shadow: 0 0 26px var(--accent-glow), 0 0 52px rgba(0,245,255,.12);
  transition: transform .14s, box-shadow .14s, filter .14s;
}
.big-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px var(--accent-glow), 0 0 72px rgba(0,245,255,.18);
  filter: brightness(1.08);
}
.big-btn:active { transform: translateY(0); }

.key-hints {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-top: .2rem;
}
.key-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
}
kbd {
  font-family: var(--font);
  font-size: .58rem;
  letter-spacing: .06em;
  color: var(--accent);
  background: rgba(0,245,255,.08);
  border: 1px solid rgba(0,245,255,.28);
  border-radius: 4px;
  padding: .18rem .45rem;
  white-space: nowrap;
}
.key-row span {
  color: var(--muted);
  font-size: .82rem;
  font-weight: 600;
}

.goal-anim {
  animation: goalPop .55s cubic-bezier(.22,1,.36,1) both;
}
@keyframes goalPop {
  0%   { transform: scale(.5); opacity: 0; }
  60%  { transform: scale(1.18); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

.controls-hint {
  color: var(--muted);
  font-family: var(--font);
  font-size: .52rem;
  letter-spacing: .1em;
  text-align: center;
}

@media (max-width: 700px) {
  .game-header { align-items: flex-start; flex-direction: column; }
  .top-bar-right { width: 100%; justify-content: flex-start; }
  .select-group { flex: 1; }
  .ctrl-select { width: 100%; }
  .hud-bar { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; padding: .65rem .9rem; }
  .hud-center { grid-column: 1 / -1; border: none; padding: .4rem 0 0; justify-content: center; border-top: 1px solid var(--border2); }
  .hud-score { font-size: 2rem; }
  .game-title { font-size: .9rem; }
}

@media (max-width: 480px) {
  .game-page { padding: .5rem; gap: .5rem; }
  .controls-hint { display: none; }
}