:root {
  --bg-primary: #070b14;
  --bg-secondary: #0c1222;
  --bg-card: rgba(13, 20, 38, 0.75);
  --bg-card-hover: rgba(18, 28, 54, 0.85);
  --cyan-primary: #00e5ff;
  --cyan-glow: rgba(0, 229, 255, 0.4);
  --cyan-subtle: rgba(0, 229, 255, 0.12);
  --purple-primary: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.35);
  --amber-gold: #f59e0b;
  --emerald-green: #10b981;
  --rose-red: #f43f5e;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-cyan: rgba(0, 229, 255, 0.22);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --font-display: 'Rajdhani', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-display);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 229, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 40%),
    linear-gradient(rgba(0, 229, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
}

canvas#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

.app-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- Header & Navigation --- */
header.quantum-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-cyan);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan-primary), var(--purple-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--cyan-glow);
  font-weight: 800;
  font-size: 1.25rem;
  color: #070b14;
}

.brand-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.brand-title .cyan {
  color: var(--cyan-primary);
  text-shadow: 0 0 10px var(--cyan-glow);
}

.brand-title .purple {
  color: var(--purple-primary);
  text-shadow: 0 0 10px var(--purple-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--cyan-primary);
  background: var(--cyan-subtle);
  text-shadow: 0 0 8px var(--cyan-glow);
}

.nav-auth {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* --- Buttons --- */
.btn-quantum {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid var(--cyan-primary);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(168, 85, 247, 0.15));
  color: var(--cyan-primary);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
}

.btn-quantum:hover {
  background: linear-gradient(135deg, var(--cyan-primary), var(--purple-primary));
  color: #070b14;
  box-shadow: 0 0 24px var(--cyan-glow);
  transform: translateY(-2px);
}

.btn-quantum.purple {
  border-color: var(--purple-primary);
  color: var(--purple-primary);
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.2);
}

.btn-quantum.purple:hover {
  background: linear-gradient(135deg, var(--purple-primary), var(--cyan-primary));
  color: #070b14;
  box-shadow: 0 0 24px var(--purple-glow);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

/* --- Container & Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  flex: 1;
}

/* --- Hero Section --- */
.hero-section {
  text-align: center;
  padding: 3rem 1rem 4rem;
  position: relative;
}

/* --- Hero Animated 3D Logo --- */
.hero-logo-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
}

.hero-logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 580px;
  height: 320px;
  background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.22) 0%, rgba(168, 85, 247, 0.14) 45%, transparent 72%);
  filter: blur(32px);
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  animation: pulseGlow 6s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
  0% { opacity: 0.65; transform: translate(-50%, -50%) scale(0.94); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1.06); }
}

.hero-logo-animated {
  position: relative;
  z-index: 1;
  max-width: 620px;
  width: 90%;
  height: auto;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.75)) drop-shadow(0 0 25px rgba(0, 229, 255, 0.22));
  animation: floatLevitate 5s ease-in-out infinite;
  user-select: none;
  pointer-events: auto;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.hero-logo-animated:hover {
  transform: translateY(-8px) scale(1.02);
  filter: drop-shadow(0 22px 38px rgba(0, 0, 0, 0.85)) drop-shadow(0 0 35px rgba(0, 229, 255, 0.45));
}

@keyframes floatLevitate {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--cyan-subtle);
  border: 1px solid var(--cyan-primary);
  color: var(--cyan-primary);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}

.hero-title {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: 2px;
  line-height: 1.1;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: 1.35rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.server-ip-box {
  display: inline-flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: 12px;
  padding: 0.6rem 1.25rem;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.server-ip-text {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cyan-primary);
}

.ip-copy-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.ip-copy-btn:hover {
  color: var(--cyan-primary);
}

/* --- Cards & Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.quantum-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-cyan);
  border-radius: 14px;
  padding: 1.75rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.quantum-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-primary), var(--purple-primary));
  opacity: 0.7;
}

.quantum-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--cyan-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 229, 255, 0.15);
}

.card-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.card-desc {
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 1.05rem;
}

/* --- Forms & Inputs --- */
.form-box {
  max-width: 520px;
  margin: 2rem auto;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-cyan);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
}

.form-label {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.75px;
  color: var(--cyan-primary);
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: rgba(7, 11, 20, 0.7);
  border: 1px solid var(--border-cyan);
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-display);
  font-size: 1.15rem;
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--cyan-primary);
  box-shadow: 0 0 12px var(--cyan-glow);
  background: rgba(7, 11, 20, 0.9);
}

.form-input::placeholder {
  color: #475569;
}

/* --- Code Input Box --- */
.code-box-wrapper {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.code-input-large {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 8px;
  text-align: center;
  text-transform: uppercase;
  color: var(--cyan-primary);
}

/* --- Alert Messages --- */
.alert {
  padding: 0.85rem 1.25rem;
  border-radius: 8px;
  margin-bottom: 1.25rem;
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--emerald-green);
  color: #34d399;
}

.alert-error {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid var(--rose-red);
  color: #fb7185;
}

.alert-info {
  background: rgba(0, 229, 255, 0.15);
  border: 1px solid var(--cyan-primary);
  color: var(--cyan-primary);
}

/* --- Player Dashboard --- */
.profile-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: 16px;
  margin-bottom: 2rem;
  backdrop-filter: blur(16px);
}

.player-avatar-wrapper {
  position: relative;
}

.player-avatar-3d {
  width: 110px;
  height: 180px;
  object-fit: contain;
  filter: drop-shadow(0 0 15px var(--cyan-glow));
}

.player-info-meta h1 {
  font-size: 2.75rem;
  font-weight: 900;
  letter-spacing: 1px;
}

.badges-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.badge {
  padding: 0.3rem 0.85rem;
  border-radius: 6px;
  font-weight: 800;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-rank {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--amber-gold);
  color: var(--amber-gold);
}

.badge-admin {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid var(--rose-red);
  color: var(--rose-red);
}

.badge-prestige {
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid var(--purple-primary);
  color: var(--purple-primary);
}

.badge-gang {
  background: rgba(0, 229, 255, 0.15);
  border: 1px solid var(--cyan-primary);
  color: var(--cyan-primary);
}

/* --- Balance Cards --- */
.stat-box {
  background: rgba(7, 11, 20, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-box .stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.stat-box .stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--cyan-primary);
  font-family: var(--font-mono);
}

/* --- Leaderboards Table --- */
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.leaderboard-table th, .leaderboard-table td {
  padding: 1rem 1.25rem;
  text-align: left;
}

.leaderboard-table th {
  background: rgba(0, 229, 255, 0.06);
  color: var(--cyan-primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 2px solid var(--border-cyan);
}

.leaderboard-table td {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 1.1rem;
}

.leaderboard-table tr:hover td {
  background: rgba(0, 229, 255, 0.04);
}

.pos-1 { color: #facc15; font-weight: 900; font-size: 1.3rem; }
.pos-2 { color: #cbd5e1; font-weight: 800; font-size: 1.2rem; }
.pos-3 { color: #d97706; font-weight: 800; font-size: 1.2rem; }

/* --- Tabs --- */
.tabs-nav {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: var(--cyan-subtle);
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
  box-shadow: 0 0 12px var(--cyan-glow);
}

/* --- Footer --- */
footer.quantum-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-cyan);
  background: rgba(7, 11, 20, 0.9);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
}

.footer-disclaimer {
  font-size: 0.82rem;
  color: var(--text-muted);
  opacity: 0.75;
  margin-top: 0.5rem;
  letter-spacing: 0.5px;
  line-height: 1.5;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  header.quantum-nav {
    flex-direction: column;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 0.5rem;
  }
  .nav-links a {
    padding: 0.3rem 0.55rem;
    font-size: 0.95rem;
  }
  .nav-auth {
    flex-wrap: wrap;
    justify-content: center;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .profile-header {
    flex-direction: column;
    text-align: center;
  }
  .badges-list {
    justify-content: center;
  }
}