/* 赛博朋克风格 - 全局样式 */

:root {
  --neon-cyan: #00f0ff;
  --neon-pink: #ff00ff;
  --neon-yellow: #f0e800;
  --neon-green: #00ff88;
  --neon-red: #ff0044;
  --dark-bg: #0a0a0f;
  --dark-surface: #12121a;
  --dark-elevated: #1a1a2e;
  --text-primary: #e0e0e0;
  --text-secondary: #8888a0;
  --grid-line: rgba(0, 240, 255, 0.1);
}

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

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* 赛博朋克背景网格 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* 扫描线效果 */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 240, 255, 0.03) 2px,
    rgba(0, 240, 255, 0.03) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* 霓虹发光文字 */
.neon-text {
  text-shadow:
    0 0 5px var(--neon-cyan),
    0 0 10px var(--neon-cyan),
    0 0 20px var(--neon-cyan),
    0 0 40px var(--neon-cyan);
}

.neon-text-pink {
  text-shadow:
    0 0 5px var(--neon-pink),
    0 0 10px var(--neon-pink),
    0 0 20px var(--neon-pink),
    0 0 40px var(--neon-pink);
}

.neon-border {
  border: 1px solid var(--neon-cyan);
  box-shadow:
    0 0 5px var(--neon-cyan),
    inset 0 0 5px rgba(0, 240, 255, 0.1);
}

/* 赛博朋克按钮 */
.cyber-btn {
  background: transparent;
  border: 2px solid var(--neon-cyan);
  color: var(--neon-cyan);
  padding: 12px 24px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.cyber-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  transition: left 0.5s;
}

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

.cyber-btn:hover {
  background: rgba(0, 240, 255, 0.1);
  box-shadow: 0 0 20px var(--neon-cyan);
}

.cyber-btn:active {
  transform: scale(0.95);
}

/* 赛博朋克卡片 */
.cyber-card {
  background: var(--dark-surface);
  border: 1px solid rgba(0, 240, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.cyber-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink), var(--neon-cyan));
}

.cyber-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--neon-cyan);
  border-bottom: 2px solid var(--neon-cyan);
}

/* 角标装饰 */
.corner-decoration {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 2px solid var(--neon-cyan);
}

.corner-tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.corner-tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.corner-bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.corner-br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

/* 页面容器 */
.page {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  padding: 20px;
  max-width: 480px;
  margin: 0 auto;
}

/* 头部 */
.header {
  text-align: center;
  padding: 20px 0;
  border-bottom: 1px solid rgba(0, 240, 255, 0.3);
  margin-bottom: 20px;
}

.header h1 {
  font-size: 28px;
  font-weight: bold;
  color: var(--neon-cyan);
  letter-spacing: 4px;
}

.header .subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
  letter-spacing: 2px;
}

/* 隐藏页面 */
.page.hidden {
  display: none;
}

/* 动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

.animate-fade-in {
  animation: fadeIn 0.5s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--neon-cyan);
  border-radius: 3px;
}

/* 响应式 */
@media (max-width: 480px) {
  .page {
    padding: 10px;
  }
  
  .header h1 {
    font-size: 24px;
  }
}