/* 现代科技感掼蛋比赛系统样式 */

:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  --dark-bg: #0f0f23;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #b8b8d1;
  --glow-blue: rgba(102, 126, 234, 0.6);
  --glow-purple: rgba(118, 75, 162, 0.6);
  --glow-cyan: rgba(79, 172, 254, 0.6);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--dark-bg);
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

html {
  height: auto;
  overflow-y: auto;
}

/* 动态背景网格 */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
}

.bg-grid::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(102, 126, 234, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(102, 126, 234, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

/* 导航栏 - 玻璃态效果 */
.nav {
  background: rgba(15, 15, 35, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary-gradient);
  opacity: 0.1;
  z-index: -1;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 8px 12px;
  border-radius: 10px;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* 主容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* 卡片 - 玻璃态效果 */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary-gradient);
  opacity: 0.05;
  z-index: -1;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 按钮 - 渐变效果 */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 10px 30px var(--glow-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px var(--glow-blue);
}

.btn-success {
  background: var(--success-gradient);
  color: white;
  box-shadow: 0 10px 30px var(--glow-cyan);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px var(--glow-cyan);
}

.btn-warning {
  background: var(--warning-gradient);
  color: white;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
}

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

/* 表单 */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

select.form-control option {
  color: #111;
  background: #f2f2f2;
}

.form-control:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 表格 */
.table-container {
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 16px;
  border: 1px solid var(--card-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.02);
}

.table th {
  background: var(--primary-gradient);
  color: white;
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  position: relative;
}

.table th::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.table td {
  padding: 1rem;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-secondary);
}

.table.table-compact th,
.table.table-compact td {
  padding: 0.6rem 0.8rem;
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* 状态标签 */
.badge {
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-block;
}

.badge-success {
  background: var(--success-gradient);
  color: white;
}

.badge-warning {
  background: var(--warning-gradient);
  color: white;
}

.badge-info {
  background: var(--primary-gradient);
  color: white;
}

/* 座位图 */
.seatmap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.seat {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.seat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
}

.seat.a::before {
  background: var(--success-gradient);
}

.seat.b::before {
  background: var(--warning-gradient);
}

.seat:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.seat-number {
  font-size: 2rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.seat-player {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* 网格布局 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.avatars {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--card-border);
  background: rgba(255,255,255,.08);
  overflow: hidden;
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* 统计卡片 */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-gradient);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeInUp 0.6s ease forwards;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  .nav {
    padding: 1rem;
  }
  
  .nav-links {
    gap: 1rem;
  }
  
  .grid {
    grid-template-columns: 1fr;
  }
  
  .seatmap {
    grid-template-columns: 1fr;
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
}

/* 特殊效果 */
.glow {
  position: relative;
}

.glow::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--primary-gradient);
  border-radius: inherit;
  z-index: -1;
  filter: blur(10px);
  opacity: 0.5;
}

/* 霓虹灯效果 */
.neon {
  text-shadow: 
    0 0 10px currentColor,
    0 0 20px currentColor,
    0 0 30px currentColor;
  animation: neon-pulse 2s ease-in-out infinite alternate;
}

@keyframes neon-pulse {
  from {
    text-shadow: 
      0 0 10px currentColor,
      0 0 20px currentColor,
      0 0 30px currentColor;
  }
  to {
    text-shadow: 
      0 0 5px currentColor,
      0 0 10px currentColor,
      0 0 15px currentColor;
  }
}