/* ============================================================
   SNAKE — Neon Arcade
   Premium stylesheet · Dark · Glassmorphism · Neon green accent
   ============================================================ */

/* ---------- DESIGN TOKENS ---------- */
:root {
  --bg-0:        #06090a;
  --bg-1:        #0a0f10;
  --bg-2:        #0e1416;
  --ink-0:       #e7fff1;
  --ink-1:       #b9d6c6;
  --ink-2:       #7a9388;
  --ink-3:       #46584f;

  --neon:        #39ff14;
  --neon-soft:   #5cff3a;
  --neon-deep:   #00b837;
  --neon-glow:   rgba(57,255,20,0.55);
  --neon-faint:  rgba(57,255,20,0.10);

  --danger:      #ff3860;
  --warn:        #ffd23f;

  --glass-bg:    rgba(14,20,22,0.55);
  --glass-stroke:rgba(255,255,255,0.06);
  --glass-blur:  18px;

  --radius-xs:   6px;
  --radius-sm:   10px;
  --radius-md:   14px;
  --radius-lg:   20px;

  --shadow-1:    0 1px 0 rgba(255,255,255,0.04) inset, 0 10px 30px rgba(0,0,0,0.45);
  --shadow-neon: 0 0 0 1px rgba(57,255,20,0.35), 0 0 24px rgba(57,255,20,0.25), 0 0 60px rgba(57,255,20,0.15);

  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --font-display: "Major Mono Display", "VT323", ui-monospace, monospace;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-pixel:   "VT323", ui-monospace, monospace;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  min-height: 100vh;
  background: var(--bg-0);
  color: var(--ink-0);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}
button { font-family: inherit; cursor: pointer; }
kbd {
  font-family: var(--font-mono);
  font-size: 0.78em;
  padding: 2px 6px;
  border: 1px solid rgba(255,255,255,0.12);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: rgba(255,255,255,0.04);
  color: var(--ink-0);
}
::selection { background: var(--neon); color: #001b06; }

/* ---------- ANIMATED BACKGROUND ---------- */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(57,255,20,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57,255,20,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 35%, #000 30%, transparent 75%);
  animation: gridDrift 22s linear infinite;
}
@keyframes gridDrift {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 48px 48px, 48px 48px; }
}
.bg-scanlines {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,0.012) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}
.bg-noise {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.22 0 0 0 0 1 0 0 0 0 0.08 0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.bg-orb {
  position: fixed; z-index: 0; border-radius: 50%; pointer-events: none; filter: blur(80px);
  opacity: 0.35;
}
.bg-orb-1 { width: 560px; height: 560px; left: -160px; top: -160px; background: radial-gradient(circle, var(--neon-glow), transparent 60%); animation: floatOrb 18s ease-in-out infinite; }
.bg-orb-2 { width: 460px; height: 460px; right: -140px; bottom: -180px; background: radial-gradient(circle, rgba(0,184,55,0.45), transparent 60%); animation: floatOrb 22s ease-in-out infinite reverse; }
@keyframes floatOrb {
  0%,100% { transform: translate3d(0,0,0) scale(1); }
  50%     { transform: translate3d(40px,-30px,0) scale(1.08); }
}

/* ---------- APP LAYOUT ---------- */
.app {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 36px 24px 80px;
  display: grid;
  gap: 36px;
}

/* ---------- HEADER ---------- */
.header {
  display: grid;
  gap: 8px;
  text-align: center;
  padding-top: 8px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 auto;
  padding: 6px 12px;
  border: 1px solid var(--glass-stroke);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: 999px;
  color: var(--ink-1);
  font-size: 11px;
  letter-spacing: 0.32em;
}
.brand-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 12px var(--neon-glow);
  animation: pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot {
  0%,100% { transform: scale(1); opacity: 1; }
  50%     { transform: scale(0.7); opacity: 0.6; }
}
.title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(56px, 11vw, 128px);
  letter-spacing: 0.04em;
  margin: 4px 0 0;
  line-height: 0.95;
  color: var(--neon);
  text-shadow:
    0 0 8px var(--neon-glow),
    0 0 28px rgba(57,255,20,0.35),
    0 0 80px rgba(57,255,20,0.2);
}
.t-letter {
  display: inline-block;
  transform: translateY(20px);
  opacity: 0;
  animation: letterRise 0.8s var(--ease-out) forwards;
  animation-delay: calc(var(--i) * 80ms + 200ms);
}
@keyframes letterRise {
  to { transform: translateY(0); opacity: 1; }
}
.subtitle {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.45em;
  color: var(--ink-2);
}

/* ---------- HUD ---------- */
.hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}
.hud-card {
  position: relative;
  padding: 14px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-md);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform 240ms var(--ease-out), border-color 240ms var(--ease-out);
}
.hud-card::after {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
}
.hud-card:hover { transform: translateY(-2px); border-color: rgba(57,255,20,0.22); }
.hud-card--accent {
  border-color: rgba(57,255,20,0.25);
  box-shadow: var(--shadow-1), 0 0 24px rgba(57,255,20,0.08);
}
.hud-label {
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--ink-2);
}
.hud-value {
  font-family: var(--font-pixel);
  font-size: 36px;
  line-height: 1;
  margin-top: 6px;
  color: var(--ink-0);
}
.hud-card--accent .hud-value { color: var(--neon); text-shadow: 0 0 14px var(--neon-glow); }
.hud-value.pop { animation: popVal 360ms var(--ease-out); }
@keyframes popVal {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.18); color: var(--neon); text-shadow: 0 0 18px var(--neon-glow); }
  100% { transform: scale(1); }
}

/* ---------- BOARD ---------- */
.board-wrap {
  display: grid;
  gap: 20px;
  justify-items: center;
}
.board-frame {
  position: relative;
  width: min(600px, calc(100vw - 48px));
  aspect-ratio: 1 / 1;
  padding: 14px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0)) padding-box,
    linear-gradient(140deg, rgba(57,255,20,0.55), rgba(57,255,20,0.02) 40%, rgba(57,255,20,0.35)) border-box;
  border: 1px solid transparent;
  box-shadow:
    0 30px 90px rgba(0,0,0,0.55),
    0 0 0 1px rgba(57,255,20,0.08),
    0 0 80px rgba(57,255,20,0.12);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}
.board-frame::before {
  content: "";
  position: absolute; inset: 14px;
  border-radius: 14px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(57,255,20,0.10), transparent 50%),
    linear-gradient(180deg, #050807, #07100b);
  z-index: 0;
}
#gameCanvas {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  display: block;
  border-radius: 12px;
}
.board-frame.shake { animation: shake 0.32s linear; }
@keyframes shake {
  10%,90% { transform: translate3d(-1px, 0, 0); }
  20%,80% { transform: translate3d(2px, 0, 0); }
  30%,50%,70% { transform: translate3d(-4px, 0, 0); }
  40%,60% { transform: translate3d(4px, 0, 0); }
}

/* ---------- OVERLAYS ---------- */
.overlay {
  position: absolute;
  inset: 14px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
  background: rgba(5,8,7,0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 5;
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms var(--ease-out);
}
.overlay.is-active { opacity: 1; pointer-events: auto; }
.overlay-inner { max-width: 420px; display: grid; gap: 16px; }
.overlay-eyebrow {
  font-size: 11px;
  letter-spacing: 0.42em;
  color: var(--neon);
}
.overlay-eyebrow--danger { color: var(--danger); }
.overlay-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(28px, 5vw, 44px);
  margin: 0;
  color: var(--ink-0);
  letter-spacing: 0.02em;
}
.overlay--gameover .overlay-title {
  animation: glitchTitle 1.2s steps(2, end);
}
@keyframes glitchTitle {
  0%   { text-shadow: 0 0 0 transparent; transform: translateX(0); }
  20%  { text-shadow: -3px 0 var(--danger), 3px 0 var(--neon); transform: translateX(-2px); }
  40%  { text-shadow:  3px 0 var(--danger),-3px 0 var(--neon); transform: translateX(2px); }
  60%  { text-shadow: -2px 0 var(--neon);                       transform: translateX(-1px); }
  100% { text-shadow: 0 0 18px rgba(255,56,96,0.35);            transform: translateX(0); }
}
.overlay-text { color: var(--ink-1); margin: 0; }
.overlay-hint { margin-top: 2px; color: var(--ink-2); font-size: 12px; }

/* GAME OVER STATS */
.gameover-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  padding: 12px;
  border: 1px solid var(--glass-stroke);
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-md);
}
.go-stat { padding: 6px 4px; }
.go-stat-label { font-size: 10px; letter-spacing: 0.3em; color: var(--ink-2); }
.go-stat-value { font-family: var(--font-pixel); font-size: 28px; color: var(--ink-0); }
.go-stat--accent .go-stat-value { color: var(--neon); text-shadow: 0 0 12px var(--neon-glow); }
.gameover-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.achievement-toast {
  display: none;
  align-items: center; justify-content: center; gap: 8px;
  margin-top: 4px;
  padding: 8px 12px;
  border: 1px solid rgba(57,255,20,0.4);
  background: rgba(57,255,20,0.08);
  color: var(--neon);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.2em;
  animation: shineBadge 1.6s ease-in-out infinite;
}
.achievement-toast.is-on { display: inline-flex; }
.ach-icon { display: inline-block; transform: translateY(-1px); }
@keyframes shineBadge {
  0%,100% { box-shadow: 0 0 0 rgba(57,255,20,0); }
  50%     { box-shadow: 0 0 22px rgba(57,255,20,0.45); }
}

/* LOADING */
.overlay--loading { background: rgba(5,8,7,0.95); }
.loader { display: inline-flex; gap: 8px; }
.loader span {
  width: 12px; height: 28px; border-radius: 3px;
  background: var(--neon);
  box-shadow: 0 0 12px var(--neon-glow);
  animation: barBounce 1s var(--ease-in-out) infinite;
}
.loader span:nth-child(2) { animation-delay: 0.12s; }
.loader span:nth-child(3) { animation-delay: 0.24s; }
.loader span:nth-child(4) { animation-delay: 0.36s; }
@keyframes barBounce {
  0%,100% { transform: scaleY(0.3); opacity: 0.4; }
  50%     { transform: scaleY(1);   opacity: 1; }
}
.loader-text { margin-top: 14px; font-size: 11px; letter-spacing: 0.42em; color: var(--ink-2); }

/* ---------- BUTTONS ---------- */
.btn {
  --bg: rgba(255,255,255,0.04);
  --fg: var(--ink-0);
  --bd: rgba(255,255,255,0.1);
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--bd);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out), background 200ms, color 200ms, border-color 200ms;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at var(--mx,50%) var(--my,50%), rgba(57,255,20,0.18), transparent 50%);
  opacity: 0;
  transition: opacity 240ms;
}
.btn:hover::before { opacity: 1; }
.btn:hover { transform: translateY(-1px); border-color: rgba(57,255,20,0.4); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn--primary {
  --bg: var(--neon);
  --fg: #001b06;
  --bd: transparent;
  box-shadow: 0 0 0 1px rgba(57,255,20,0.7), 0 14px 40px rgba(57,255,20,0.25);
}
.btn--primary:hover {
  box-shadow: 0 0 0 1px rgba(57,255,20,0.9), 0 18px 50px rgba(57,255,20,0.35), 0 0 30px var(--neon-glow);
  border-color: transparent;
}
.btn--ghost {
  --bg: transparent;
  --bd: rgba(255,255,255,0.14);
}
.btn--lg { padding: 16px 30px; font-size: 14px; }
.btn--block { width: 100%; }
.btn-arrow { font-size: 16px; transform: translateX(0); transition: transform 220ms var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ---------- CONTROLS ROW ---------- */
.controls {
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
}
.ctrl-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--glass-stroke);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--ink-0);
  border-radius: 12px;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  transition: transform 200ms var(--ease-out), border-color 200ms, color 200ms, box-shadow 200ms;
}
.ctrl-btn svg { color: var(--neon); transition: transform 200ms var(--ease-out); }
.ctrl-btn:hover {
  border-color: rgba(57,255,20,0.4);
  transform: translateY(-1px);
  box-shadow: 0 0 24px rgba(57,255,20,0.08);
}
.ctrl-btn:hover svg { transform: scale(1.1); }
.ctrl-btn--icon { padding: 10px; }
.ctrl-btn--icon span { display: none; }

/* ---------- TOUCHPAD ---------- */
.touchpad {
  display: none;
  grid-template-columns: repeat(3, 56px);
  grid-template-rows: repeat(3, 56px);
  gap: 8px;
  margin-top: 6px;
}
.tp {
  width: 56px; height: 56px;
  border-radius: 14px;
  border: 1px solid var(--glass-stroke);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--neon);
  font-size: 18px;
  transition: transform 120ms, background 120ms, box-shadow 120ms;
}
.tp:active { transform: scale(0.92); background: rgba(57,255,20,0.16); box-shadow: 0 0 24px var(--neon-glow); }
.tp-up    { grid-column: 2; grid-row: 1; }
.tp-left  { grid-column: 1; grid-row: 2; }
.tp-right { grid-column: 3; grid-row: 2; }
.tp-down  { grid-column: 2; grid-row: 3; }

/* MOBILE-ONLY touchpad optimizations (does not affect desktop layout) */
@media (pointer: coarse), (max-width: 720px) {
  .touchpad {
    grid-template-columns: repeat(3, 72px);
    grid-template-rows: repeat(3, 72px);
    gap: 10px;
    margin-top: 14px;
    /* Disable text selection & iOS callout on the d-pad */
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
  }
  .tp {
    width: 72px; height: 72px;
    font-size: 22px;
    border-radius: 18px;
    /* Prevent double-tap-to-zoom and remove tap delay */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none;
  }
  .tp.is-pressed {
    transform: scale(0.9);
    background: rgba(57,255,20,0.22);
    box-shadow: 0 0 26px var(--neon-glow), inset 0 0 18px rgba(57,255,20,0.18);
    border-color: rgba(57,255,20,0.6);
  }
  /* Canvas: stop accidental scrolling/zooming while playing */
  #gameCanvas {
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
  }
}

/* ---------- PANELS (STATS / ACH) ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.panel {
  padding: 22px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-1);
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.panel-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.42em;
  color: var(--ink-1);
  font-weight: 600;
}
.panel-note { font-size: 11px; color: var(--ink-2); letter-spacing: 0.24em; }
.link-btn {
  background: transparent; border: 0; color: var(--ink-2);
  font-size: 11px; letter-spacing: 0.24em; text-transform: lowercase;
  text-decoration: underline; text-underline-offset: 4px;
  transition: color 200ms;
}
.link-btn:hover { color: var(--neon); }

.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat {
  padding: 14px;
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.02);
  transition: border-color 200ms, transform 200ms;
}
.stat:hover { border-color: rgba(57,255,20,0.22); transform: translateY(-1px); }
.stat-label { font-size: 11px; color: var(--ink-2); letter-spacing: 0.2em; text-transform: uppercase; }
.stat-value { font-family: var(--font-pixel); font-size: 30px; color: var(--ink-0); margin-top: 4px; line-height: 1; }

.ach-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ach {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.02);
  transition: border-color 220ms, background 220ms, transform 220ms;
}
.ach-badge {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  border: 1px solid var(--glass-stroke);
  color: var(--ink-3);
  background: rgba(255,255,255,0.02);
  transition: color 220ms, border-color 220ms, box-shadow 220ms, background 220ms;
}
.ach-name { font-size: 13px; color: var(--ink-0); letter-spacing: 0.04em; }
.ach-desc { font-size: 11px; color: var(--ink-2); }
.ach-state {
  font-size: 10px; letter-spacing: 0.3em; color: var(--ink-3);
  padding: 4px 8px; border-radius: 999px; border: 1px solid var(--glass-stroke);
}
.ach.is-unlocked {
  border-color: rgba(57,255,20,0.35);
  background: linear-gradient(180deg, rgba(57,255,20,0.06), rgba(57,255,20,0.02));
}
.ach.is-unlocked .ach-badge {
  color: var(--neon);
  border-color: rgba(57,255,20,0.5);
  background: rgba(57,255,20,0.08);
  box-shadow: 0 0 18px rgba(57,255,20,0.25);
}
.ach.is-unlocked .ach-state { color: var(--neon); border-color: rgba(57,255,20,0.5); }

/* ---------- FOOTER ---------- */
.footer { display: grid; gap: 10px; }
.footer-line { height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent); }
.footer-meta {
  display: flex; justify-content: space-between;
  color: var(--ink-3); font-size: 11px; letter-spacing: 0.24em;
}

/* ---------- DRAWER ---------- */
.drawer {
  position: fixed; inset: 0; z-index: 50;
  pointer-events: none;
}
.drawer.is-open { pointer-events: auto; }
.drawer-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 320ms var(--ease-out);
}
.drawer.is-open .drawer-backdrop { opacity: 1; }
.drawer-panel {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: min(420px, 92vw);
  background: linear-gradient(180deg, #0a1011, #07100b);
  border-left: 1px solid rgba(57,255,20,0.18);
  box-shadow: -20px 0 60px rgba(0,0,0,0.6);
  transform: translateX(100%);
  transition: transform 380ms var(--ease-out);
  padding: 24px;
  display: grid;
  grid-auto-rows: max-content;
  gap: 18px;
  overflow-y: auto;
}
.drawer.is-open .drawer-panel { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; }
.drawer-title { margin: 0; font-size: 14px; letter-spacing: 0.42em; color: var(--ink-1); }
.icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: transparent;
  border: 1px solid var(--glass-stroke);
  border-radius: 10px;
  color: var(--ink-1);
  transition: color 200ms, border-color 200ms;
}
.icon-btn:hover { color: var(--neon); border-color: rgba(57,255,20,0.4); }

.setting {
  padding: 14px;
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.02);
}
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.setting-label { font-size: 13px; letter-spacing: 0.06em; color: var(--ink-0); margin-bottom: 8px; }
.setting-sub   { font-size: 11px; color: var(--ink-2); }
.setting-hint  { margin: 8px 0 0; font-size: 11px; color: var(--ink-2); }

.seg {
  display: inline-flex; padding: 4px; gap: 4px;
  border: 1px solid var(--glass-stroke);
  border-radius: 999px;
  background: rgba(0,0,0,0.35);
}
.seg-opt {
  appearance: none; background: transparent; border: 0;
  padding: 8px 14px;
  font-size: 11px; letter-spacing: 0.24em;
  color: var(--ink-2);
  border-radius: 999px;
  transition: background 200ms, color 200ms, box-shadow 200ms;
}
.seg-opt:hover { color: var(--ink-0); }
.seg-opt.is-active {
  color: #001b06;
  background: var(--neon);
  box-shadow: 0 0 0 1px var(--neon), 0 0 22px var(--neon-glow);
}

.toggle {
  position: relative;
  width: 46px; height: 26px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-stroke);
  border-radius: 999px;
  transition: background 220ms, border-color 220ms, box-shadow 220ms;
}
.toggle-knob {
  position: absolute; top: 2px; left: 2px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--ink-1);
  transition: transform 240ms var(--ease-out), background 220ms;
}
.toggle.is-on {
  background: rgba(57,255,20,0.18);
  border-color: rgba(57,255,20,0.6);
  box-shadow: 0 0 16px rgba(57,255,20,0.2);
}
.toggle.is-on .toggle-knob { transform: translateX(20px); background: var(--neon); box-shadow: 0 0 10px var(--neon-glow); }

.drawer-foot { margin-top: 8px; }

/* ---------- TOAST ---------- */
.toast-stack {
  position: fixed; left: 50%; bottom: 28px;
  transform: translateX(-50%);
  display: grid; gap: 10px; z-index: 60;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  min-width: 240px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(8,12,11,0.92);
  border: 1px solid rgba(57,255,20,0.35);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 20px rgba(57,255,20,0.12);
  color: var(--ink-0);
  font-size: 12px;
  letter-spacing: 0.12em;
  display: flex; align-items: center; gap: 10px;
  animation: toastIn 280ms var(--ease-out), toastOut 280ms var(--ease-out) forwards;
  animation-delay: 0s, 2.6s;
}
.toast .tdot { width: 8px; height: 8px; background: var(--neon); border-radius: 50%; box-shadow: 0 0 12px var(--neon-glow); }
@keyframes toastIn  { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(8px); } }

/* ---------- LEADERBOARD ---------- */
.panel--full { width: 100%; }
.panel-actions { display: inline-flex; align-items: center; gap: 12px; }
.lb-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 6px;
  counter-reset: lb;
}
.lb-row {
  display: grid;
  grid-template-columns: 36px 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--glass-stroke);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.02);
  transition: border-color 220ms, background 220ms, transform 220ms;
}
.lb-row:hover { border-color: rgba(57,255,20,0.22); transform: translateY(-1px); }
.lb-row.is-me {
  border-color: rgba(57,255,20,0.45);
  background: linear-gradient(180deg, rgba(57,255,20,0.07), rgba(57,255,20,0.02));
  box-shadow: 0 0 18px rgba(57,255,20,0.10);
}
.lb-rank {
  font-family: var(--font-pixel);
  font-size: 22px;
  color: var(--ink-2);
  text-align: center;
}
.lb-row:nth-child(1) .lb-rank { color: var(--neon); text-shadow: 0 0 12px var(--neon-glow); }
.lb-row:nth-child(2) .lb-rank { color: #d8f5cf; }
.lb-row:nth-child(3) .lb-rank { color: #b9d6c6; }
.lb-name {
  font-size: 13px; letter-spacing: 0.04em; color: var(--ink-0);
  text-transform: uppercase;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.lb-meta {
  font-size: 10px; letter-spacing: 0.18em; color: var(--ink-3);
}
.lb-score {
  font-family: var(--font-pixel);
  font-size: 22px;
  color: var(--ink-0);
  min-width: 64px; text-align: right;
}
.lb-row:nth-child(1) .lb-score { color: var(--neon); text-shadow: 0 0 12px var(--neon-glow); }
.lb-empty {
  padding: 14px;
  border: 1px dashed var(--glass-stroke);
  border-radius: var(--radius-md);
  color: var(--ink-2);
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.2em;
}
.lb-foot { margin-top: 12px; font-size: 11px; color: var(--ink-2); }
.inline-link {
  background: transparent; border: 0; padding: 0;
  color: var(--neon);
  text-decoration: underline; text-underline-offset: 4px;
  font: inherit; cursor: pointer;
}
.inline-link:hover { color: var(--neon-soft); }

/* Settings input */
.setting-input {
  width: 100%;
  padding: 10px 12px;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--glass-stroke);
  color: var(--ink-0);
  border-radius: 10px;
  font: 600 13px / 1.4 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  outline: none;
  transition: border-color 200ms, box-shadow 200ms, background 200ms;
}
.setting-input::placeholder { color: var(--ink-3); }
.setting-input:focus {
  border-color: rgba(57,255,20,0.6);
  background: rgba(57,255,20,0.05);
  box-shadow: 0 0 0 1px rgba(57,255,20,0.4), 0 0 18px rgba(57,255,20,0.15);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .app { padding: 22px 16px 64px; gap: 24px; }
  .hud { grid-template-columns: repeat(2, 1fr); max-width: 480px; }
  .hud-value { font-size: 28px; }
  .ctrl-btn span { display: none; }
  .ctrl-btn { padding: 10px; }
  .touchpad { display: grid; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 420px) {
  .stats-grid { grid-template-columns: 1fr; }
  .title { font-size: 64px; }
}

/* ---------- A11Y / PREFERS REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}