/* OMC Neon Arena — full neon arcade theme (worker-3) */

/* ── Palette tokens ───────────────────────────────────────────────────────── */
:root {
  --bg:       #05060a;
  --grid:     #101828;
  --cyan:     #22e4ff;
  --magenta:  #ff3df0;
  --yellow:   #ffd84d;
  --lime:     #7dff6d;
  --text:     #e7f0ff;
  --dim:      rgba(231, 240, 255, 0.55);
  --panel-bg: rgba(5, 8, 18, 0.92);
  --glow-c:   0 0 8px var(--cyan), 0 0 24px rgba(34, 228, 255, 0.4);
  --glow-m:   0 0 8px var(--magenta), 0 0 24px rgba(255, 61, 240, 0.4);
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* ── Base ────────────────────────────────────────────────────────────────── */
html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Courier New", Courier, monospace;
  overflow: hidden;
  user-select: none;
}

/* ── App shell ───────────────────────────────────────────────────────────── */
#app {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  /* subtle radial vignette */
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.7) 100%);
}

/* ── Canvas ──────────────────────────────────────────────────────────────── */
#game {
  display: block;
  width: min(100vw, calc(100vh * 16 / 9));
  height: min(100vh, calc(100vw * 9 / 16));
  max-width: 1280px;
  max-height: 720px;
  background: var(--bg);
  image-rendering: pixelated;
  cursor: crosshair;
  box-shadow:
    0 0 0 1px rgba(34, 228, 255, 0.18),
    0 0 32px rgba(34, 228, 255, 0.12),
    0 0 80px rgba(34, 228, 255, 0.06);
}

/* ── HUD ─────────────────────────────────────────────────────────────────── */
.hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: auto 1fr auto;
  padding: 0.75rem 1rem;
  gap: 0.4rem;
}

/* score + combo: top-left */
.hud__slot[data-slot="score"] {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
}
.hud__slot[data-slot="combo"] {
  grid-column: 1;
  grid-row: 2;
  align-self: start;
  margin-top: 0.15rem;
}

/* wave: top-center */
.hud__slot[data-slot="wave"] {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
}

/* health: bottom-left */
.hud__slot[data-slot="health"] {
  grid-column: 1;
  grid-row: 3;
  justify-self: start;
  align-self: end;
}

.hud__slot {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(34, 228, 255, 0.18);
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
  backdrop-filter: blur(4px);
}

.hud__slot [data-hud] {
  color: var(--cyan);
  text-shadow: 0 0 6px var(--cyan);
  font-weight: bold;
}

/* combo highlight when active */
.hud__slot[data-slot="combo"] [data-hud="combo"] {
  color: var(--yellow);
  text-shadow: 0 0 6px var(--yellow);
}

/* wave number stands out in magenta */
.hud__slot[data-slot="wave"] [data-hud="wave"] {
  color: var(--magenta);
  text-shadow: 0 0 6px var(--magenta);
}

/* ── Health pips ─────────────────────────────────────────────────────────── */
.hud__slot[data-slot="health"] {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hud__slot[data-slot="health"] .hud__label {
  color: var(--dim);
}

.health-pips {
  display: flex;
  gap: 3px;
  align-items: center;
}

.health-pip {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--lime);
  box-shadow: 0 0 5px var(--lime), 0 0 10px rgba(125, 255, 109, 0.35);
  transition: background 0.15s, box-shadow 0.15s, opacity 0.15s;
}

.health-pip.empty {
  background: rgba(125, 255, 109, 0.12);
  box-shadow: none;
  opacity: 0.35;
}

.health-pip.danger {
  background: var(--magenta);
  box-shadow: 0 0 5px var(--magenta), 0 0 10px rgba(255, 61, 240, 0.4);
  animation: pip-pulse 0.6s ease-in-out infinite alternate;
}

@keyframes pip-pulse {
  from { opacity: 1; }
  to   { opacity: 0.45; }
}

/* ── Overlay base ────────────────────────────────────────────────────────── */
.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 10;
  backdrop-filter: blur(3px);
  background: rgba(0, 0, 0, 0.62);
}

.overlay.hidden {
  display: none;
}

.overlay__panel {
  background: var(--panel-bg);
  border: 1px solid rgba(34, 228, 255, 0.25);
  border-radius: 6px;
  padding: 2rem 2.5rem;
  text-align: center;
  max-width: 30rem;
  width: 90%;
  box-shadow:
    0 0 0 1px rgba(34, 228, 255, 0.08),
    0 0 40px rgba(34, 228, 255, 0.08),
    inset 0 1px 0 rgba(34, 228, 255, 0.12);
  position: relative;
  overflow: hidden;
}

/* subtle scan-line shimmer on panel */
.overlay__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 3px,
    rgba(34, 228, 255, 0.025) 3px,
    rgba(34, 228, 255, 0.025) 4px
  );
  pointer-events: none;
  border-radius: inherit;
}

/* ── Overlay title ───────────────────────────────────────────────────────── */
.overlay__title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: var(--glow-c);
}

/* animated glow pulse on the main menu title only */
.overlay--menu .overlay__title {
  animation: title-glow 2.4s ease-in-out infinite alternate;
}

@keyframes title-glow {
  from {
    text-shadow: 0 0 6px var(--cyan), 0 0 18px rgba(34, 228, 255, 0.4);
    color: var(--cyan);
  }
  to {
    text-shadow:
      0 0 12px var(--cyan),
      0 0 40px rgba(34, 228, 255, 0.7),
      0 0 80px rgba(34, 228, 255, 0.3);
    color: #a8f7ff;
  }
}

/* pause title in magenta */
.overlay--pause .overlay__title {
  color: var(--magenta);
  text-shadow: var(--glow-m);
}

/* gameover title in yellow */
.overlay--gameover .overlay__title {
  color: var(--yellow);
  text-shadow: 0 0 8px var(--yellow), 0 0 24px rgba(255, 216, 77, 0.45);
}

/* ── Overlay text ────────────────────────────────────────────────────────── */
.overlay__subtitle {
  margin: 0 0 1.2rem;
  color: var(--dim);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.overlay__meta {
  margin: 0.45rem 0;
  color: var(--dim);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

.overlay__meta [data-hud] {
  color: var(--cyan);
  text-shadow: 0 0 5px var(--cyan);
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.overlay__button {
  display: inline-block;
  margin: 0.55rem 0.3rem 0;
  padding: 0.55rem 1.4rem;
  border: 1px solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  font: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 3px;
  text-shadow: 0 0 6px var(--cyan);
  box-shadow: 0 0 8px rgba(34, 228, 255, 0.2), inset 0 0 8px rgba(34, 228, 255, 0.05);
  transition: background 0.18s, box-shadow 0.18s, transform 0.1s, color 0.18s;
  position: relative;
  overflow: hidden;
}

.overlay__button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(34, 228, 255, 0.1) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.18s;
}

.overlay__button:hover {
  background: rgba(34, 228, 255, 0.1);
  box-shadow: 0 0 16px rgba(34, 228, 255, 0.5), inset 0 0 12px rgba(34, 228, 255, 0.1);
  transform: translateY(-1px) scale(1.03);
  color: #fff;
  text-shadow: 0 0 10px var(--cyan);
}

.overlay__button:hover::before {
  opacity: 1;
}

.overlay__button:active {
  transform: translateY(0) scale(0.97);
  box-shadow: 0 0 8px rgba(34, 228, 255, 0.3);
}

/* restart / try-again button gets magenta treatment */
.overlay__button[data-action="reset"] {
  border-color: var(--magenta);
  color: var(--magenta);
  text-shadow: 0 0 6px var(--magenta);
  box-shadow: 0 0 8px rgba(255, 61, 240, 0.2), inset 0 0 8px rgba(255, 61, 240, 0.05);
}

.overlay__button[data-action="reset"]:hover {
  background: rgba(255, 61, 240, 0.1);
  box-shadow: 0 0 16px rgba(255, 61, 240, 0.5), inset 0 0 12px rgba(255, 61, 240, 0.1);
  color: #fff;
  text-shadow: 0 0 10px var(--magenta);
}

/* ── V2 HUD: Buff chips ──────────────────────────────────────────────────── */
.hud-buffs {
  position: absolute;
  top: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: row;
  gap: 8px;
  pointer-events: none;
  z-index: 2;
  /* sits in grid col 2 row 1, but absolute so it doesn't displace wave slot */
}

.buff-chip {
  position: relative;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--chip-color, var(--cyan));
  box-shadow: 0 0 6px var(--chip-color, var(--cyan)), 0 0 14px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: bold;
  color: var(--chip-color, var(--cyan));
  text-shadow: 0 0 5px var(--chip-color, var(--cyan));
  text-transform: uppercase;
  overflow: hidden;
  flex-shrink: 0;
}

/* countdown ring via conic-gradient on ::before */
.buff-chip::before {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: conic-gradient(
    var(--chip-color, var(--cyan)) calc(var(--p, 1) * 360deg),
    rgba(255, 255, 255, 0.08) 0
  );
  z-index: 0;
}

/* inner glyph sits above the ring */
.buff-chip > span {
  position: relative;
  z-index: 1;
}

/* color palette per kind */
.buff-chip[data-kind="rapidfire"] { --chip-color: var(--cyan); }
.buff-chip[data-kind="spread"]    { --chip-color: var(--magenta); }
.buff-chip[data-kind="pierce"]    { --chip-color: #ffffff; }
.buff-chip[data-kind="shield"]    { --chip-color: var(--yellow); }
.buff-chip[data-kind="heal"]      { --chip-color: var(--lime); }
.buff-chip[data-kind="bomb"]      { --chip-color: #ff5a5a; }

/* ── V2 HUD: Dash pip ────────────────────────────────────────────────────── */
.dash-pip {
  position: absolute;
  bottom: 0.75rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(34, 228, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: rgba(34, 228, 255, 0.5);
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}

.dash-pip::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: conic-gradient(
    var(--cyan) calc(var(--p, 0) * 360deg),
    rgba(34, 228, 255, 0.08) 0
  );
}

.dash-pip > span {
  position: relative;
  z-index: 1;
  font-size: 1.1rem;
  line-height: 1;
}

.dash-pip.ready {
  border-color: var(--cyan);
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan);
  animation: dash-pulse 0.8s ease-in-out infinite alternate;
}

@keyframes dash-pulse {
  from { box-shadow: 0 0 6px var(--cyan), 0 0 12px rgba(34, 228, 255, 0.3); }
  to   { box-shadow: 0 0 14px var(--cyan), 0 0 28px rgba(34, 228, 255, 0.6); }
}

/* ── V2 HUD: Boss health bar ─────────────────────────────────────────────── */
.boss-bar {
  position: absolute;
  top: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  max-width: 800px;
  pointer-events: none;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  /* offset downward to sit below wave slot */
  margin-top: 2rem;
}

.boss-bar .label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 5px var(--cyan);
}

.boss-bar__fill-track {
  width: 100%;
  height: 22px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(34, 228, 255, 0.3);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.boss-bar__fill {
  height: 22px;
  width: 100%;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(34, 228, 255, 0.3);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.boss-bar__fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: calc(var(--p, 1) * 100%);
  background: linear-gradient(90deg, rgba(34, 228, 255, 0.6), var(--cyan));
  box-shadow: 0 0 8px var(--cyan);
  transition: width 0.15s ease;
  border-radius: 2px;
}

/* danger pulse when HP < 33% */
.boss-bar[data-danger="true"] .boss-bar__fill::after {
  background: linear-gradient(90deg, rgba(255, 61, 240, 0.6), var(--magenta));
  box-shadow: 0 0 8px var(--magenta);
  animation: boss-danger 0.5s ease-in-out infinite alternate;
}

@keyframes boss-danger {
  from { opacity: 1; }
  to   { opacity: 0.6; }
}

/* ── V2 HUD: Wave banner ─────────────────────────────────────────────────── */
.wave-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: bold;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 20px var(--cyan), 0 0 50px rgba(34, 228, 255, 0.5);
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  white-space: nowrap;
}

.wave-banner.show {
  animation: wave-flash 1.6s ease forwards;
}

@keyframes wave-flash {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.7); }
  15%  { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  75%  { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.05); }
}

/* ── V2 Settings overlay ─────────────────────────────────────────────────── */
.overlay--settings .overlay__title,
#overlay-settings .overlay__title {
  color: var(--cyan);
  text-shadow: var(--glow-c);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.9rem 0;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(34, 228, 255, 0.1);
}

.settings-label {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
  flex-shrink: 0;
}

.settings-control {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.settings-value {
  font-size: 0.75rem;
  color: var(--cyan);
  text-shadow: 0 0 5px var(--cyan);
  min-width: 2ch;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Neon slider */
.settings-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 140px;
  height: 4px;
  background: rgba(34, 228, 255, 0.15);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  position: relative;
}

.settings-slider::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(
    to right,
    var(--cyan) 0%,
    var(--cyan) calc(var(--pct, 70%) * 1%),
    rgba(34, 228, 255, 0.15) calc(var(--pct, 70%) * 1%),
    rgba(34, 228, 255, 0.15) 100%
  );
}

.settings-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid var(--bg);
  box-shadow: 0 0 6px var(--cyan), 0 0 12px rgba(34, 228, 255, 0.4);
  margin-top: -5px;
  cursor: pointer;
  transition: box-shadow 0.15s;
}

.settings-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 10px var(--cyan), 0 0 20px rgba(34, 228, 255, 0.6);
}

.settings-slider::-moz-range-track {
  height: 4px;
  border-radius: 2px;
  background: rgba(34, 228, 255, 0.15);
}

.settings-slider::-moz-range-progress {
  height: 4px;
  border-radius: 2px;
  background: var(--cyan);
}

.settings-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid var(--bg);
  box-shadow: 0 0 6px var(--cyan);
  cursor: pointer;
}

/* Neon toggle checkbox */
.settings-toggle {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.settings-toggle-label {
  display: block;
  width: 40px;
  height: 22px;
  background: rgba(34, 228, 255, 0.1);
  border: 1px solid rgba(34, 228, 255, 0.3);
  border-radius: 11px;
  cursor: pointer;
  position: relative;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.settings-toggle-label::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(34, 228, 255, 0.4);
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
}

.settings-toggle:checked + .settings-toggle-label {
  background: rgba(34, 228, 255, 0.2);
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(34, 228, 255, 0.4);
}

.settings-toggle:checked + .settings-toggle-label::after {
  transform: translateX(18px);
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

/* Settings button on pause overlay */
.overlay__button--settings {
  border-color: var(--yellow);
  color: var(--yellow);
  text-shadow: 0 0 6px var(--yellow);
  box-shadow: 0 0 8px rgba(255, 216, 77, 0.2), inset 0 0 8px rgba(255, 216, 77, 0.05);
}

.overlay__button--settings:hover {
  background: rgba(255, 216, 77, 0.1);
  box-shadow: 0 0 16px rgba(255, 216, 77, 0.5), inset 0 0 12px rgba(255, 216, 77, 0.1);
  color: #fff;
  text-shadow: 0 0 10px var(--yellow);
}

/* ── V3: Buff chip tier badges ───────────────────────────────────────────── */
.buff-chip[data-tier="2"]::after,
.buff-chip[data-tier="3"]::after {
  position: absolute;
  top: 1px;
  right: 1px;
  font-size: 10px;
  font-weight: bold;
  line-height: 1;
  color: var(--chip-color, var(--cyan));
  text-shadow: 0 0 6px var(--chip-color, var(--cyan));
  z-index: 2;
  pointer-events: none;
}

.buff-chip[data-tier="2"]::after { content: "II"; }
.buff-chip[data-tier="3"]::after { content: "III"; }

/* ── V3: Wave banner flavors ─────────────────────────────────────────────── */
@keyframes banner-shake {
  0%, 100% { transform: translate(-50%, -50%) translateX(0); }
  20%       { transform: translate(-50%, -50%) translateX(-4px); }
  40%       { transform: translate(-50%, -50%) translateX(4px); }
  60%       { transform: translate(-50%, -50%) translateX(-3px); }
  80%       { transform: translate(-50%, -50%) translateX(3px); }
}

@keyframes banner-gold-shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes banner-rainbow {
  0%   { color: var(--cyan);    text-shadow: 0 0 20px var(--cyan),    0 0 50px rgba(34,228,255,0.5); }
  25%  { color: var(--magenta); text-shadow: 0 0 20px var(--magenta), 0 0 50px rgba(255,61,240,0.5); }
  50%  { color: var(--yellow);  text-shadow: 0 0 20px var(--yellow),  0 0 50px rgba(255,216,77,0.5); }
  75%  { color: var(--lime);    text-shadow: 0 0 20px var(--lime),    0 0 50px rgba(125,255,109,0.5); }
  100% { color: var(--cyan);    text-shadow: 0 0 20px var(--cyan),    0 0 50px rgba(34,228,255,0.5); }
}

.wave-banner.banner-boss.show {
  background: linear-gradient(90deg, var(--magenta), #ff1a1a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: wave-flash 1.6s ease forwards, banner-shake 0.4s ease 0.15s 2;
  filter: drop-shadow(0 0 12px var(--magenta));
}

.wave-banner.banner-bonus.show {
  background: linear-gradient(90deg, #ffd84d 20%, #fff5a0 50%, #ffd84d 80%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: wave-flash 1.6s ease forwards, banner-gold-shimmer 1.2s linear infinite;
  filter: drop-shadow(0 0 12px var(--yellow));
}

.wave-banner.banner-bonus.show::before,
.wave-banner.banner-bonus.show::after {
  content: " ★";
  font-size: 0.6em;
  color: var(--yellow);
  -webkit-text-fill-color: var(--yellow);
  text-shadow: 0 0 8px var(--yellow);
}

.wave-banner.banner-bonus.show::before { content: "★ "; }

.wave-banner.banner-perfect.show {
  animation: wave-flash 1.6s ease forwards, banner-rainbow 0.8s linear infinite;
  font-size: clamp(3.5rem, 9vw, 5.8rem);
}

.wave-banner.banner-wave.show {
  color: var(--cyan);
  text-shadow: 0 0 20px var(--cyan), 0 0 50px rgba(34,228,255,0.5);
}

/* ── V3: Leaderboard ─────────────────────────────────────────────────────── */
.leaderboard {
  list-style: none;
  margin: 1rem 0 0.8rem;
  padding: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.leaderboard li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.3rem 0.5rem;
  border: 1px solid rgba(34, 228, 255, 0.1);
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.3);
  font-size: 0.78rem;
  transition: transform 0.15s, box-shadow 0.15s;
  color: var(--dim);
}

.leaderboard li.leaderboard__row--empty {
  opacity: 0.35;
  border-color: rgba(34, 228, 255, 0.05);
}

.leaderboard__rank {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(34, 228, 255, 0.12);
  border: 1px solid rgba(34, 228, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: bold;
  color: var(--cyan);
  flex-shrink: 0;
}

.leaderboard__score {
  flex: 1;
  text-align: right;
  font-family: "Courier New", Courier, monospace;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  font-weight: bold;
  letter-spacing: 0.04em;
}

.leaderboard__date {
  font-size: 0.65rem;
  color: var(--dim);
  min-width: 5ch;
  text-align: right;
  opacity: 0.75;
}

.leaderboard li.leaderboard__row--current {
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(34, 228, 255, 0.35), inset 0 0 6px rgba(34, 228, 255, 0.08);
  color: var(--text);
  transform: scale(1.04);
  background: rgba(34, 228, 255, 0.06);
}

.leaderboard li.leaderboard__row--current .leaderboard__rank {
  background: rgba(34, 228, 255, 0.25);
  border-color: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

.leaderboard li.leaderboard__row--rank-1 .leaderboard__rank {
  background: rgba(255, 216, 77, 0.2);
  border-color: var(--yellow);
  color: var(--yellow);
  box-shadow: 0 0 8px rgba(255, 216, 77, 0.5);
}

.leaderboard li.leaderboard__row--rank-1 .leaderboard__score {
  color: var(--yellow);
  text-shadow: 0 0 6px var(--yellow);
}

/* gold glow for rank-1 that is also current */
.leaderboard li.leaderboard__row--rank-1.leaderboard__row--current {
  border-color: var(--yellow);
  box-shadow: 0 0 12px rgba(255, 216, 77, 0.5), inset 0 0 8px rgba(255, 216, 77, 0.1);
  background: rgba(255, 216, 77, 0.06);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .overlay__panel {
    padding: 1.4rem 1.2rem;
  }

  .overlay__title {
    font-size: 1.4rem;
  }

  .hud__slot {
    font-size: 0.65rem;
    padding: 0.15rem 0.4rem;
  }

  .health-pip {
    width: 8px;
    height: 8px;
  }
}

@media (max-width: 400px) {
  .overlay__button {
    display: block;
    width: 100%;
    margin: 0.4rem 0 0;
  }
}