/* ========================================
   NO YOU CAN'T - Cyberpunk Theme
   NEXUS-7 Security Fortress
   ======================================== */

:root {
  /* Core colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  
  /* Neon accents */
  --neon-cyan: #00f0ff;
  --neon-magenta: #ff00ff;
  --neon-purple: #bf00ff;
  --neon-pink: #ff2a6d;
  --neon-yellow: #f0ff00;
  --neon-green: #00ff9f;
  
  /* Text colors */
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  
  /* Status colors */
  --success: #00ff9f;
  --error: #ff2a6d;
  --warning: #f0ff00;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  --gradient-danger: linear-gradient(135deg, var(--neon-pink), var(--neon-magenta));
  --gradient-dark: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
  
  /* Fonts */
  --font-display: 'Orbitron', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --font-body: 'Rajdhani', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--neon-magenta);
  text-shadow: 0 0 10px var(--neon-magenta);
}

/* ========================================
   Background Effects
   ======================================== */
.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.1) 0px,
    rgba(0, 0, 0, 0.1) 1px,
    transparent 1px,
    transparent 2px
  );
  animation: scanlines 0.1s linear infinite;
}

@keyframes scanlines {
  0% { background-position: 0 0; }
  100% { background-position: 0 4px; }
}

.grid-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -2;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  perspective: 500px;
}

.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--neon-cyan);
  border-radius: 50%;
  animation: float-particle 20s linear infinite;
  opacity: 0.5;
}

@keyframes float-particle {
  0% {
    transform: translateY(100vh) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(-100px) translateX(100px);
    opacity: 0;
  }
}

/* ========================================
   Glitch Effect
   ======================================== */
.glitch {
  position: relative;
  animation: glitch-skew 4s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  left: 2px;
  text-shadow: -2px 0 var(--neon-magenta);
  clip: rect(24px, 550px, 90px, 0);
  animation: glitch-anim 3s infinite linear alternate-reverse;
}

.glitch::after {
  left: -2px;
  text-shadow: -2px 0 var(--neon-cyan);
  clip: rect(85px, 550px, 140px, 0);
  animation: glitch-anim2 2s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
  0% { clip: rect(17px, 9999px, 94px, 0); }
  10% { clip: rect(33px, 9999px, 15px, 0); }
  20% { clip: rect(95px, 9999px, 53px, 0); }
  30% { clip: rect(59px, 9999px, 32px, 0); }
  40% { clip: rect(21px, 9999px, 78px, 0); }
  50% { clip: rect(82px, 9999px, 5px, 0); }
  60% { clip: rect(39px, 9999px, 67px, 0); }
  70% { clip: rect(62px, 9999px, 91px, 0); }
  80% { clip: rect(11px, 9999px, 48px, 0); }
  90% { clip: rect(73px, 9999px, 29px, 0); }
  100% { clip: rect(44px, 9999px, 86px, 0); }
}

@keyframes glitch-anim2 {
  0% { clip: rect(65px, 9999px, 42px, 0); }
  10% { clip: rect(12px, 9999px, 87px, 0); }
  20% { clip: rect(48px, 9999px, 23px, 0); }
  30% { clip: rect(91px, 9999px, 56px, 0); }
  40% { clip: rect(34px, 9999px, 79px, 0); }
  50% { clip: rect(7px, 9999px, 68px, 0); }
  60% { clip: rect(52px, 9999px, 14px, 0); }
  70% { clip: rect(83px, 9999px, 41px, 0); }
  80% { clip: rect(26px, 9999px, 95px, 0); }
  90% { clip: rect(69px, 9999px, 38px, 0); }
  100% { clip: rect(18px, 9999px, 72px, 0); }
}

@keyframes glitch-skew {
  0% { transform: skew(0deg); }
  20% { transform: skew(0deg); }
  21% { transform: skew(1deg); }
  22% { transform: skew(-1deg); }
  23% { transform: skew(0deg); }
  100% { transform: skew(0deg); }
}

/* ========================================
   Layout
   ======================================== */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========================================
   Header
   ======================================== */
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid rgba(0, 240, 255, 0.2);
  margin-bottom: var(--space-lg);
}

.logo-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 4px;
}

.tagline {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 3px;
}

.main-nav {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 2px;
  padding: var(--space-sm) var(--space-md);
  position: relative;
  color: var(--text-secondary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--neon-cyan);
  transition: var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ========================================
   NEXUS-7 Avatar & Message
   ======================================== */
.nexus-container {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(191, 0, 255, 0.05));
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 4px;
  margin-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.nexus-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
  animation: shine 3s infinite;
}

@keyframes shine {
  100% { left: 100%; }
}

.nexus-avatar {
  position: relative;
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.avatar-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 2px solid var(--neon-cyan);
  border-radius: 50%;
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.5; }
}

.avatar-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: var(--bg-secondary);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.avatar-eye {
  width: 8px;
  height: 8px;
  background: var(--neon-cyan);
  border-radius: 50%;
  animation: blink 3s infinite;
  box-shadow: 0 0 10px var(--neon-cyan);
}

@keyframes blink {
  0%, 90%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.1); }
}

.avatar-status {
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--neon-green);
  background: var(--bg-primary);
  padding: 2px 6px;
  border: 1px solid var(--neon-green);
  border-radius: 2px;
}

.nexus-message-box {
  flex: 1;
}

.message-header {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--neon-cyan);
  margin-bottom: var(--space-sm);
  letter-spacing: 2px;
}

.nexus-message {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.highlight {
  color: var(--neon-magenta);
  text-shadow: 0 0 10px var(--neon-magenta);
  font-weight: bold;
}

/* ========================================
   Pages
   ======================================== */
.main-content {
  flex: 1;
}

.page {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--space-sm);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  font-family: var(--font-mono);
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
  text-align: center;
  padding: var(--space-xl) 0;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: 8px;
  margin-bottom: var(--space-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.hero-challenge {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 2px;
  padding: var(--space-md) var(--space-xl);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-normal);
  text-transform: uppercase;
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: transparent;
  color: var(--neon-cyan);
  border: 2px solid var(--neon-cyan);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--neon-cyan);
  transition: var(--transition-normal);
  z-index: 0;
}

.btn-primary:hover {
  color: var(--bg-primary);
  box-shadow: 0 0 30px var(--neon-cyan);
}

.btn-primary:hover::before {
  left: 0;
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--text-muted);
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.btn-full {
  width: 100%;
}

.btn-back {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--text-muted);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8rem;
}

.btn-back:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
}

.btn-glitch:hover {
  animation: btn-glitch 0.3s ease;
}

@keyframes btn-glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

/* ========================================
   Info Cards
   ======================================== */
.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.info-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(0, 240, 255, 0.1);
  padding: var(--space-lg);
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.info-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-cyan);
  box-shadow: 0 10px 40px rgba(0, 240, 255, 0.1);
}

.info-card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.info-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--neon-cyan);
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.info-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ========================================
   Taunt Section
   ======================================== */
.taunt-section {
  text-align: center;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(191, 0, 255, 0.05), rgba(255, 0, 255, 0.05));
  border: 1px solid rgba(191, 0, 255, 0.2);
  margin: var(--space-xl) 0;
}

.taunt-section h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--neon-magenta);
  letter-spacing: 4px;
  margin-bottom: var(--space-lg);
}

.nexus-quote {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-style: italic;
  max-width: 800px;
  margin: 0 auto;
  line-height: 2;
}

.nexus-quote footer {
  margin-top: var(--space-md);
  font-size: 0.9rem;
  color: var(--neon-purple);
  font-style: normal;
}

/* ========================================
   Auth Forms
   ======================================== */
.auth-container {
  max-width: 450px;
  margin: 0 auto;
  padding: var(--space-xl);
  background: var(--bg-secondary);
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.auth-tabs {
  display: flex;
  margin-bottom: var(--space-xl);
}

.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  padding: var(--space-md);
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 2px;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition-normal);
}

.auth-tab:hover {
  color: var(--text-secondary);
}

.auth-tab.active {
  color: var(--neon-cyan);
  border-bottom-color: var(--neon-cyan);
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.auth-form h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--text-primary);
  letter-spacing: 3px;
}

.form-group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  letter-spacing: 1px;
}

.form-group input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--text-muted);
  padding: var(--space-md) 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  transition: var(--transition-normal);
}

.form-group input:focus {
  outline: none;
}

.form-group input:focus + .input-line {
  transform: scaleX(1);
}

.input-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--neon-cyan);
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.form-footer {
  text-align: center;
  margin-top: var(--space-lg);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========================================
   Levels Grid
   ======================================== */
.levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.level-card {
  background: var(--bg-secondary);
  border: 1px solid rgba(0, 240, 255, 0.1);
  padding: var(--space-lg);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.level-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--neon-cyan);
  transform: scaleY(0);
  transition: var(--transition-normal);
}

.level-card:hover:not(.locked) {
  transform: translateX(5px);
  border-color: var(--neon-cyan);
}

.level-card:hover:not(.locked)::before {
  transform: scaleY(1);
}

.level-card.locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.level-card.locked::after {
  content: '🔒';
  position: absolute;
  top: 50%;
  right: var(--space-lg);
  transform: translateY(-50%);
  font-size: 1.5rem;
}

.level-card.completed {
  border-color: var(--neon-green);
}

.level-card.completed::before {
  background: var(--neon-green);
  transform: scaleY(1);
}

.level-card.completed::after {
  content: '✓';
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  color: var(--neon-green);
  font-size: 1.5rem;
}

.level-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.level-card.current .level-number {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.level-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  letter-spacing: 1px;
}

.level-difficulty {
  font-size: 0.9rem;
  color: var(--neon-yellow);
}

/* ========================================
   Level Detail
   ======================================== */
.level-detail-container {
  max-width: 900px;
  margin: 0 auto;
}

.level-header {
  margin-bottom: var(--space-xl);
}

.level-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin: var(--space-md) 0;
}

.level-content {
  background: var(--bg-secondary);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  min-height: 300px;
}

.flag-submission {
  background: var(--bg-secondary);
  border: 1px solid rgba(191, 0, 255, 0.2);
  padding: var(--space-xl);
}

.flag-submission h3 {
  font-family: var(--font-display);
  color: var(--neon-magenta);
  margin-bottom: var(--space-lg);
  letter-spacing: 2px;
}

#flag-form {
  display: flex;
  gap: var(--space-md);
  align-items: flex-end;
}

#flag-input {
  flex: 1;
  font-family: var(--font-mono);
}

.flag-result {
  margin-top: var(--space-md);
  font-family: var(--font-mono);
  padding: var(--space-md);
  border-radius: 4px;
}

.flag-result.success {
  background: rgba(0, 255, 159, 0.1);
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
}

.flag-result.error {
  background: rgba(255, 42, 109, 0.1);
  border: 1px solid var(--neon-pink);
  color: var(--neon-pink);
}

/* ========================================
   Leaderboard
   ======================================== */
.leaderboard-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.lb-tab {
  background: transparent;
  border: 1px solid var(--text-muted);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 1px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-normal);
}

.lb-tab:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.lb-tab.active {
  background: var(--neon-cyan);
  border-color: var(--neon-cyan);
  color: var(--bg-primary);
}

.leaderboard-content {
  background: var(--bg-secondary);
  border: 1px solid rgba(0, 240, 255, 0.1);
  min-height: 400px;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
}

.leaderboard-table th,
.leaderboard-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.leaderboard-table th {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--neon-cyan);
  letter-spacing: 2px;
  background: rgba(0, 240, 255, 0.05);
}

.leaderboard-table tr:hover {
  background: rgba(0, 240, 255, 0.02);
}

.rank-1 { color: gold; }
.rank-2 { color: silver; }
.rank-3 { color: #cd7f32; }

.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* ========================================
   Toast Notifications
   ======================================== */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--neon-cyan);
  padding: var(--space-md) var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  animation: slideIn 0.3s ease, fadeOut 0.3s ease 3s forwards;
  max-width: 400px;
}

.toast.error {
  border-color: var(--neon-pink);
}

.toast.success {
  border-color: var(--neon-green);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
  to { opacity: 0; transform: translateX(100%); }
}

/* ========================================
   Footer
   ======================================== */
.main-footer {
  margin-top: auto;
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(0, 240, 255, 0.1);
  text-align: center;
}

.footer-content p {
  margin: var(--space-sm) 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-taunt {
  color: var(--text-secondary) !important;
  font-style: italic;
}

/* ========================================
   Stats Display
   ======================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-lg);
}

.stat-card {
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.1);
  padding: var(--space-lg);
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--neon-cyan);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: var(--space-sm);
  letter-spacing: 1px;
}

.completion-bar {
  height: 4px;
  background: var(--bg-tertiary);
  margin-top: var(--space-sm);
  border-radius: 2px;
  overflow: hidden;
}

.completion-fill {
  height: 100%;
  background: var(--gradient-primary);
  transition: var(--transition-normal);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  .main-header {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .main-nav {
    gap: var(--space-md);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .nexus-container {
    flex-direction: column;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  #flag-form {
    flex-direction: column;
  }

  .leaderboard-table th,
  .leaderboard-table td {
    padding: var(--space-sm);
    font-size: 0.85rem;
  }
}