/* ============================================================
   NEO-ARCADE BREAKOUT — DESIGN SYSTEM
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg: #020617;
  --bg-alt: #0f172a;
  --surface: rgba(15, 23, 42, 0.80);
  --surface-alt: rgba(30, 41, 59, 0.60);
  --border: rgba(255, 255, 255, 0.05);
  --border-glow: rgba(56, 189, 248, 0.30);

  --neon-blue: #38bdf8;
  --neon-pink: #f472b6;
  --neon-green: #4ade80;
  --neon-yellow: #fbbf24;
  --neon-purple: #a855f7;
  --neon-red: #ef4444;
  --white: #ffffff;
  --text-muted: #64748b;
  --text-dim: #334155;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 40px;
  --radius-xl: 60px;
}

/* ---------- Reset / Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--white);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* ---------- Canvas ---------- */
#gameCanvas {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--bg);
  transition: filter 0.7s ease, opacity 0.7s ease;
  cursor: default;
  z-index: 1;
}

#gameCanvas.playing {
  cursor: none;
}

#gameCanvas.blurred {
  filter: blur(30px);
  opacity: 0.15;
}

/* ---------- CRT Scanlines & Visual Effects ---------- */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 40;
  background:
    linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
    linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  background-size: 100% 4px, 6px 100%;
  animation: scanline 10s linear infinite;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.9);
}

@keyframes scanline {
  0% {
    background-position: 0 0, 0 0;
  }

  100% {
    background-position: 0 100vh, 0 0;
  }
}

.aberration-active {
  animation: chromaticAberration 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes chromaticAberration {
  0% {
    filter: drop-shadow(0px 0px 0px rgba(255, 0, 0, 0)) drop-shadow(0px 0px 0px rgba(0, 255, 255, 0));
    transform: scale(1);
  }

  50% {
    filter: drop-shadow(-8px 0px 0px rgba(255, 0, 0, 0.8)) drop-shadow(8px 0px 0px rgba(0, 255, 255, 0.8));
    transform: scale(1.02);
  }

  100% {
    filter: drop-shadow(0px 0px 0px rgba(255, 0, 0, 0)) drop-shadow(0px 0px 0px rgba(0, 255, 255, 0));
    transform: scale(1);
  }
}

/* ---------- Overlays ---------- */
.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  pointer-events: none;
  animation: fadeIn 0.4s ease;
}

.hidden {
  display: none !important;
}

/* ---------- Typography ---------- */
.title-gradient {
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.04em;
  background: linear-gradient(90deg, var(--neon-blue), var(--white), var(--neon-pink));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(56, 189, 248, 0.3));
  line-height: 1;
  margin-bottom: 4px;
}

.subtitle {
  color: var(--neon-blue);
  font-weight: 900;
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  font-style: italic;
  opacity: 0.5;
  margin-bottom: 40px;
  line-height: 1;
}

/* ---------- Stats Grid (Menu) ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 40px;
  text-align: left;
}

.stat-box {
  background: var(--surface-alt);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 10px;
  font-weight: 900;
  color: var(--text-muted);
  text-transform: uppercase;
  font-style: italic;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat-coins {
  color: var(--neon-yellow);
}

/* ---------- Buttons ---------- */
.btn-primary {
  position: relative;
  width: 100%;
  background: var(--bg);
  color: var(--white);
  font-weight: 900;
  font-style: italic;
  font-size: 1.6rem;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  padding: 22px 0;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  margin-bottom: 12px;
  transition: all 0.3s ease;
  overflow: hidden;
  font-family: var(--font);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
  border-radius: 15px;
  z-index: -1;
  opacity: 0.6;
  filter: blur(8px);
  transition: opacity 0.3s ease;
}

.btn-primary:hover {
  background: var(--bg-alt);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  width: 100%;
  background: transparent;
  color: var(--neon-pink);
  font-weight: 900;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 16px 0;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(244, 114, 182, 0.2);
  cursor: pointer;
  margin-bottom: 16px;
  transition: all 0.3s ease;
  font-family: var(--font);
}

.btn-secondary:hover {
  background: rgba(244, 114, 182, 0.08);
  border-color: rgba(244, 114, 182, 0.4);
}

.btn-danger {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 9px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: color 0.3s;
  font-family: var(--font);
}

.btn-danger:hover {
  color: var(--neon-red);
}

/* ---------- Modifier Toggle (Menu) ---------- */
.modifier-toggle {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 20px;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}

.modifier-toggle:hover {
  border-color: rgba(168, 85, 247, 0.3);
}

.modifier-toggle.active {
  border-color: rgba(168, 85, 247, 0.5);
  background: rgba(168, 85, 247, 0.08);
}

.modifier-icon {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.modifier-info {
  flex: 1;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.modifier-label {
  font-size: 11px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--white);
}

.modifier-desc {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.toggle-switch {
  width: 46px;
  height: 26px;
  background: var(--bg);
  border-radius: 13px;
  border: 2px solid var(--text-dim);
  position: relative;
  flex-shrink: 0;
  transition: background 0.3s, border-color 0.3s;
}

.toggle-switch.active {
  background: rgba(168, 85, 247, 0.35);
  border-color: var(--neon-purple);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.4);
}

.toggle-knob {
  width: 18px;
  height: 18px;
  background: var(--text-muted);
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.3s, background 0.3s;
}

.toggle-switch.active .toggle-knob {
  transform: translateX(20px);
  background: var(--neon-purple);
  box-shadow: 0 0 8px var(--neon-purple);
}

/* ---------- HUD ---------- */
.hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 16px 24px;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(56, 189, 248, 0.15);
  z-index: 60;
  font-style: italic;
  animation: slideDown 0.3s ease;
}

.hud-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hud-center {
  align-items: center;
}

.hud-right {
  align-items: flex-end;
}

.hud-label {
  font-size: 10px;
  font-weight: 900;
  color: var(--neon-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1;
}

.hud-label-shield {
  color: var(--neon-purple);
}

.hud-label-combo {
  color: var(--neon-yellow);
}

.hud-label-lives {
  color: var(--neon-pink);
}

.hud-label-coins {
  color: var(--neon-yellow);
}

.hud-label-wave {
  color: var(--neon-green);
}

.hud-value {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.hud-value-shield {
  color: var(--neon-purple);
  font-size: 1.2rem;
}

.hud-value-coins {
  color: var(--neon-yellow);
}

.hud-value-wave {
  color: var(--neon-green);
}

.hud-value-combo {
  font-size: 1.8rem;
  color: var(--text-dim);
  transition: color 0.2s, transform 0.2s;
}

.hud-value-combo.active {
  color: var(--neon-yellow);
  transform: scale(1.15);
}

.lives-container {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.life-diamond {
  width: 14px;
  height: 14px;
  background: var(--neon-pink);
  transform: rotate(45deg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 8px var(--neon-pink);
}

/* ---------- Floating Text ---------- */
.floating-text {
  position: fixed;
  pointer-events: none;
  font-weight: 900;
  font-style: italic;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  z-index: 100;
  animation: floatUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

@keyframes floatUp {
  0% {
    transform: translateY(0) scale(0.8);
    opacity: 0;
  }

  10% {
    transform: translateY(-5px) scale(1.1);
    opacity: 1;
  }

  100% {
    transform: translateY(-40px) scale(1);
    opacity: 0;
  }
}

/* ---------- Panels & Close Button ---------- */
.panel {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 2px solid var(--border-glow);
  padding: 40px;
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  pointer-events: auto;
  animation: zoomIn 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.panel-shop {
  /* Scrollable container for grids inside panels */
  overflow-y: auto;
  overflow-x: hidden;
}

.btn-close {
  position: sticky;
  top: -24px;
  /* Pull it up against the panel padding */
  float: right;
  /* Align it to the right */
  margin-right: -24px;
  width: 32px;
  height: 32px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 6px;
  color: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}

.btn-close::before,
.btn-close::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 2px;
  background: var(--neon-pink);
  transition: all 0.2s ease;
  box-shadow: 0 0 5px var(--neon-pink);
}

.btn-close::before {
  transform: rotate(45deg);
}

.btn-close::after {
  transform: rotate(-45deg);
}

.btn-close:hover {
  background: rgba(244, 114, 182, 0.15);
  border-color: var(--neon-pink);
  transform: scale(1.1);
  box-shadow: 0 0 15px rgba(244, 114, 182, 0.4);
}

.btn-close:hover::before,
.btn-close:hover::after {
  background: #fff;
  box-shadow: 0 0 8px #fff, 0 0 15px var(--neon-pink);
}

/* ---------- Shop ---------- */
.shop-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  padding-bottom: 16px;
}

.shop-title {
  font-size: 2.2rem;
  font-weight: 900;
  font-style: italic;
  color: var(--neon-yellow);
  letter-spacing: -0.04em;
  text-transform: uppercase;
  line-height: 1;
}

.shop-subtitle {
  font-size: 10px;
  font-weight: 900;
  color: rgba(251, 191, 36, 0.5);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-style: italic;
  margin-top: 6px;
  line-height: 1;
}

.shop-coins {
  font-size: 1.6rem;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.03em;
  background: var(--surface-alt);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.upgrades-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 4px;
}

.upgrade-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--surface-alt);
  border-radius: 24px;
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}

.upgrade-card:hover {
  border-color: rgba(251, 191, 36, 0.2);
}

.upgrade-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  flex-shrink: 0;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.upgrade-info {
  flex: 1;
  text-align: left;
}

.upgrade-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.upgrade-name {
  font-size: 11px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.upgrade-level {
  font-size: 10px;
  font-weight: 900;
  color: var(--neon-blue);
  background: rgba(56, 189, 248, 0.1);
  padding: 3px 8px;
  border-radius: 99px;
}

.upgrade-desc {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  line-height: 1.3;
}

.btn-buy {
  width: 100%;
  margin-top: 8px;
  padding: 8px 0;
  border-radius: var(--radius-sm);
  font-weight: 900;
  font-style: italic;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  font-family: var(--font);
}

.btn-buy.can-buy {
  background: var(--neon-yellow);
  color: var(--bg);
}

.btn-buy.can-buy:hover {
  background: #fcd34d;
  box-shadow: 0 0 20px rgba(251, 191, 36, 0.3);
}

.btn-buy.cannot-buy {
  background: rgba(30, 41, 59, 0.8);
  color: var(--text-dim);
  cursor: not-allowed;
}

.btn-back {
  width: 100%;
  margin-top: 28px;
  background: var(--surface-alt);
  color: var(--white);
  font-weight: 900;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 16px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.3s;
  font-family: var(--font);
}

.btn-back:hover {
  background: rgba(51, 65, 85, 0.6);
}

/* ---------- Skill Tree & Missions ---------- */
.skill-branches {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.skill-branch {
  text-align: left;
  background: rgba(30, 41, 59, 0.4);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.1);
}

.branch-title {
  font-size: 11px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  color: var(--neon-blue);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.branch-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--neon-blue), transparent);
  opacity: 0.3;
}

.mission-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--surface-alt);
  border-radius: 20px;
  border: 1px solid var(--border);
  text-align: left;
}

.mission-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.mission-name {
  font-size: 12px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  color: var(--white);
}

.mission-reward {
  font-size: 11px;
  font-weight: 900;
  color: var(--neon-yellow);
}

.mission-progress-bg {
  width: 100%;
  height: 8px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.mission-progress-fill {
  height: 100%;
  background: var(--neon-blue);
  border-radius: 4px;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px var(--neon-blue);
}

.mission-status {
  font-size: 9px;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: right;
}

.mission-completed .mission-name {
  color: var(--neon-green);
  text-decoration: line-through;
}

.mission-completed .mission-progress-fill {
  background: var(--neon-green);
  box-shadow: 0 0 10px var(--neon-green);
}

/* ---------- Modifiers (Roguelite) ---------- */
.modifiers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.modifier-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(244, 114, 182, 0.3);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modifier-card:hover {
  transform: translateY(-4px);
  border-color: var(--neon-pink);
  box-shadow: 0 4px 20px rgba(244, 114, 182, 0.2);
  background: rgba(30, 41, 59, 0.8);
}

.mod-icon {
  font-size: 32px;
}

.mod-title {
  color: var(--neon-pink);
  font-weight: 900;
  font-style: italic;
  font-size: 14px;
  text-transform: uppercase;
}

.mod-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

.mod-bonus {
  margin-top: auto;
  font-size: 12px;
  font-weight: 900;
  color: var(--neon-yellow);
}

/* ---------- Game Over ---------- */
.gameover-title {
  font-size: clamp(2.8rem, 7vw, 4.2rem);
  font-weight: 900;
  font-style: italic;
  letter-spacing: -0.04em;
  color: var(--neon-red);
  filter: drop-shadow(0 0 15px rgba(220, 38, 38, 0.5));
  line-height: 1;
  margin-bottom: 4px;
}

.gameover-subtitle {
  color: var(--text-muted);
  font-weight: 900;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-style: italic;
  margin-bottom: 40px;
  line-height: 1;
}

.gameover-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 36px;
}

.gameover-stat {
  flex: 1;
  background: var(--surface-alt);
  padding: 28px 16px;
  border-radius: 28px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

.gameover-score {
  color: var(--neon-blue);
  font-size: 2.8rem;
}

.gameover-coins {
  color: var(--neon-yellow);
  font-size: 2.8rem;
}

.gameover-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 320px;
  margin: 0 auto;
}

.btn-retry {
  width: 100%;
  background: var(--white);
  color: var(--bg);
  font-weight: 900;
  font-style: italic;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  padding: 18px 0;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.1);
  font-family: var(--font);
}

.btn-retry:hover {
  background: var(--neon-blue);
  box-shadow: 0 8px 40px rgba(56, 189, 248, 0.3);
}

.btn-shop {
  width: 100%;
  background: var(--neon-pink);
  color: var(--white);
  font-weight: 900;
  font-style: italic;
  font-size: 1rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  padding: 14px 0;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 20px rgba(244, 114, 182, 0.15);
  font-family: var(--font);
}

.btn-shop:hover {
  background: #f9a8d4;
}

.btn-menu-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 900;
  font-style: italic;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  cursor: pointer;
  margin-top: 8px;
  text-decoration: underline;
  text-decoration-color: var(--neon-blue);
  text-underline-offset: 6px;
  transition: color 0.3s;
  font-family: var(--font);
}

.btn-menu-link:hover {
  color: var(--white);
}

/* ---------- Save Score Section ---------- */
.save-score-section {
  margin-bottom: 24px;
  text-align: center;
}

.save-score-label {
  display: block;
  font-size: 9px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--neon-green);
  margin-bottom: 12px;
}

.save-score-row {
  display: flex;
  gap: 8px;
  max-width: 320px;
  margin: 0 auto;
}

.save-score-input {
  flex: 1;
  background: var(--bg);
  border: 2px solid rgba(74, 222, 128, 0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font);
  font-weight: 900;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.save-score-input::placeholder {
  color: var(--text-dim);
  font-weight: 700;
}

.save-score-input:focus {
  border-color: var(--neon-green);
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.2);
}

.btn-save-score {
  background: var(--neon-green);
  color: var(--bg);
  font-family: var(--font);
  font-weight: 900;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  white-space: nowrap;
}

.btn-save-score:hover {
  background: #86efac;
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.4);
}

.btn-save-score:disabled {
  background: rgba(30, 41, 59, 0.8);
  color: var(--text-dim);
  cursor: not-allowed;
  box-shadow: none;
}

.save-score-status {
  font-size: 10px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 8px;
  min-height: 16px;
  color: var(--neon-green);
}

/* ---------- Leaderboard Table ---------- */
.leaderboard-table-container {
  max-height: 55vh;
  overflow-y: auto;
}

.leaderboard-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 4px;
  text-align: left;
}

.leaderboard-table th {
  font-size: 9px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.leaderboard-table td {
  padding: 10px 12px;
  font-weight: 700;
  font-style: italic;
  font-size: 12px;
  background: var(--surface-alt);
  transition: background 0.2s;
}

.leaderboard-table tr:hover td {
  background: rgba(56, 189, 248, 0.08);
}

.leaderboard-table td:first-child {
  border-radius: 12px 0 0 12px;
}

.leaderboard-table td:last-child {
  border-radius: 0 12px 12px 0;
}

.lb-rank {
  font-size: 14px;
  font-weight: 900;
  width: 40px;
  text-align: center;
}

.lb-rank-1 {
  color: #fbbf24;
  text-shadow: 0 0 12px rgba(251, 191, 36, 0.6);
  font-size: 18px;
}

.lb-rank-2 {
  color: #94a3b8;
  text-shadow: 0 0 10px rgba(148, 163, 184, 0.5);
  font-size: 16px;
}

.lb-rank-3 {
  color: #f97316;
  text-shadow: 0 0 10px rgba(249, 115, 22, 0.5);
  font-size: 15px;
}

.lb-name {
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.lb-score {
  color: var(--neon-blue);
  font-size: 14px;
  font-weight: 900;
  text-align: right;
}

.lb-wave {
  color: var(--neon-green);
  font-size: 11px;
  text-align: center;
}

.lb-date {
  color: var(--text-muted);
  font-size: 9px;
  text-align: right;
  white-space: nowrap;
}

.lb-empty {
  text-align: center;
  color: var(--text-dim);
  padding: 40px 20px;
  font-size: 11px;
  font-weight: 900;
  font-style: italic;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.lb-highlight td {
  background: rgba(74, 222, 128, 0.12) !important;
  border-top: 1px solid rgba(74, 222, 128, 0.3);
  border-bottom: 1px solid rgba(74, 222, 128, 0.3);
}

.leaderboard-table-container::-webkit-scrollbar {
  width: 6px;
}

.leaderboard-table-container::-webkit-scrollbar-track {
  background: transparent;
}

.leaderboard-table-container::-webkit-scrollbar-thumb {
  background: rgba(74, 222, 128, 0.2);
  border-radius: 3px;
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(20px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseGlow {

  0%,
  100% {
    opacity: 0.4;
  }

  50% {
    opacity: 1;
  }
}

/* ---------- Scrollbar (Shop) ---------- */
.panel-shop::-webkit-scrollbar {
  width: 6px;
}

.panel-shop::-webkit-scrollbar-track {
  background: transparent;
}

.panel-shop::-webkit-scrollbar-thumb {
  background: rgba(251, 191, 36, 0.2);
  border-radius: 3px;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .panel-menu {
    padding: 32px 24px;
  }

  .panel-gameover {
    padding: 36px 24px;
  }

  .title-gradient {
    font-size: 2.4rem;
  }

  .gameover-title {
    font-size: 2rem;
  }

  .gameover-score,
  .gameover-coins {
    font-size: 2rem;
  }

  .hud {
    padding: 10px 14px;
  }

  .hud-value {
    font-size: 1.1rem;
  }

  .stats-grid {
    gap: 10px;
  }

  .stat-value {
    font-size: 1.4rem;
  }
}

/* ---------- Mobile Dash Button ---------- */
.mobile-dash-btn {
  position: fixed;
  bottom: 28px;
  right: 20px;
  z-index: 70;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid var(--neon-blue);
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--neon-blue);
  font-family: var(--font);
  font-weight: 900;
  font-style: italic;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  box-shadow:
    0 0 15px rgba(56, 189, 248, 0.35),
    inset 0 0 15px rgba(56, 189, 248, 0.08);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.2s ease, border-color 0.2s ease;
  animation: dashPulse 2s ease-in-out infinite;
  text-shadow: 0 0 8px var(--neon-blue);
}

.mobile-dash-btn .dash-label {
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: -2px;
}

.mobile-dash-btn:active {
  transform: scale(0.9);
  box-shadow:
    0 0 25px rgba(56, 189, 248, 0.6),
    inset 0 0 20px rgba(56, 189, 248, 0.15);
}

.mobile-dash-btn.on-cooldown {
  opacity: 0.35;
  border-color: var(--text-dim);
  color: var(--text-dim);
  text-shadow: none;
  box-shadow: none;
  animation: none;
  pointer-events: none;
}

@keyframes dashPulse {
  0%, 100% {
    box-shadow:
      0 0 15px rgba(56, 189, 248, 0.35),
      inset 0 0 15px rgba(56, 189, 248, 0.08);
  }
  50% {
    box-shadow:
      0 0 25px rgba(56, 189, 248, 0.55),
      inset 0 0 20px rgba(56, 189, 248, 0.15);
  }
}