/**
 * 🏆 Tournament System - Glassmorphism Styles
 * 
 * Modern IoT design with glassmorphism effects
 */

@import 'design-tokens.css';

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

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

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

/* Background Effects */
.bg-effects {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.signal-wave {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(37, 99, 235, 0.1);
  animation: pulse 4s ease-in-out infinite;
}

.wave-1 {
  width: 300px;
  height: 300px;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.wave-2 {
  width: 500px;
  height: 500px;
  top: 50%;
  right: 10%;
  animation-delay: 1s;
}

.wave-3 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  left: 30%;
  animation-delay: 2s;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.2;
  }
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Glass Effect */
.glass {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
}

/* Header */
header {
  position: sticky;
  top: var(--spacing-md);
  margin: 0 var(--spacing-lg);
  z-index: 100;
  padding: var(--spacing-md) var(--spacing-xl);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: rgba(248, 250, 252, 0.7);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-foreground);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.btn-icon {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: var(--radius-full);
  width: 40px;
  height: 40px;
  cursor: pointer;
  font-size: 1rem;
  transition: background var(--transition-fast);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.2);
}

.user-avatar {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-seasonal));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* Hero Section */
.hero-section {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.hero-content {
  padding: var(--spacing-2xl);
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-seasonal));
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, #f8fafc, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.125rem;
  color: rgba(248, 250, 252, 0.7);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
}

.hero-stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(248, 250, 252, 0.6);
}

/* Section Headers */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.section-tabs {
  display: flex;
  gap: var(--spacing-sm);
}

.tab {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: rgba(248, 250, 252, 0.7);
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tab:hover,
.tab.active {
  background: rgba(37, 99, 235, 0.2);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.view-all {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.view-all:hover {
  text-decoration: underline;
}

/* Tournament Grid */
.tournaments-section {
  margin-bottom: var(--spacing-2xl);
}

.tournament-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.tournament-card {
  padding: var(--spacing-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.tournament-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.tournament-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.tournament-icon {
  font-size: 2rem;
}

.tournament-status {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.tournament-status.active {
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-success);
}

.tournament-status.upcoming {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning);
}

.tournament-status.completed {
  background: rgba(100, 116, 139, 0.2);
  color: var(--color-secondary);
}

.tournament-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.tournament-description {
  color: rgba(248, 250, 252, 0.6);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

.tournament-meta {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.meta-item .label {
  font-size: 0.75rem;
  color: rgba(248, 250, 252, 0.5);
}

.meta-item .value {
  font-weight: 600;
}

.meta-item .value.difficulty {
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.meta-item .value.difficulty.easy {
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-success);
}

.meta-item .value.difficulty.medium {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning);
}

.meta-item .value.difficulty.hard {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-error);
}

.meta-item .value.difficulty.expert {
  background: rgba(168, 85, 247, 0.2);
  color: var(--color-seasonal);
}

.tournament-time {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: rgba(248, 250, 252, 0.6);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

.tournament-rewards {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm);
  background: rgba(251, 191, 36, 0.1);
  border-radius: var(--radius-md);
}

.rewards-label {
  font-size: 0.875rem;
  color: rgba(248, 250, 252, 0.6);
}

.reward-first {
  font-weight: 700;
  color: var(--color-gold);
}

/* Buttons */
.btn-primary {
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), #1d4ed8);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-primary:disabled {
  background: var(--color-secondary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-primary.registered {
  background: var(--color-success);
}

/* Challenges Layout */
.challenges-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.challenge-section {
  padding: var(--spacing-lg);
}

.challenge-card {
  padding: var(--spacing-md);
}

.challenge-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.challenge-icon {
  font-size: 2rem;
}

.challenge-info {
  flex: 1;
}

.challenge-info h4 {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.challenge-status {
  display: inline-block;
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.challenge-status.available {
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-success);
}

.challenge-status.in-progress {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning);
}

.challenge-status.completed {
  background: rgba(100, 116, 139, 0.2);
  color: var(--color-secondary);
}

.challenge-target {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.target-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.target-label {
  font-size: 0.875rem;
  color: rgba(248, 250, 252, 0.6);
}

.challenge-progress {
  margin-bottom: var(--spacing-md);
}

.progress-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-success), #34d399);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.progress-fill.weekly {
  background: linear-gradient(90deg, var(--color-weekly), #60a5fa);
}

.progress-text {
  display: block;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(248, 250, 252, 0.6);
}

.challenge-reward {
  text-align: center;
}

.xp-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), #1d4ed8);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
}

.xp-badge.gold {
  background: linear-gradient(135deg, var(--color-gold), #d97706);
}

/* Leaderboard */
.leaderboard-section {
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.leaderboard-table {
  overflow-x: auto;
}

.table-header,
.table-body tr {
  display: grid;
  grid-template-columns: 80px 1fr 120px 120px 80px;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  align-items: center;
}

.table-header {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  font-weight: 600;
  color: rgba(248, 250, 252, 0.6);
  font-size: 0.875rem;
}

.table-body tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.rank-cell {
  text-align: center;
}

.rank-number {
  font-weight: 600;
  color: rgba(248, 250, 252, 0.6);
}

.player-cell {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.player-avatar {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-seasonal));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.player-name {
  font-weight: 500;
}

.score-cell {
  font-weight: 700;
  color: var(--color-primary);
}

.distance-cell,
.submissions-cell {
  color: rgba(248, 250, 252, 0.6);
}

/* Stats Section */
.stats-section {
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-md);
}

.stat-card {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
}

.stat-card .stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-card .stat-label {
  font-size: 0.75rem;
  color: rgba(248, 250, 252, 0.6);
}

/* Footer */
footer {
  margin: 0 var(--spacing-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: rgba(248, 250, 252, 0.6);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-foreground);
}

.footer-copy {
  color: rgba(248, 250, 252, 0.4);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .tournament-grid {
    grid-template-columns: 1fr;
  }
  
  .challenges-layout {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    display: none;
  }
  
  .table-header,
  .table-body tr {
    grid-template-columns: 60px 1fr 80px 80px;
  }
  
  .table-header .col-distance,
  .table-body .distance-cell {
    display: none;
  }
}