/* RetroOasis 全局样式 - 复古像素风 */

:root {
  --bg-deep: #121214;
  --accent-green: #39FF14;
  --card-gray: #2A2A30;
  --text-light: #E0E0E0;
}

* {
  box-sizing: border-box;
}

body, h2, h3, .game-title, .back-btn {
  font-family: 'Press Start 2P', monospace !important;
  letter-spacing: 1px;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-light);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  image-rendering: pixelated;
}

header {
  text-align: center;
  padding: 40px 20px 20px;
  border-bottom: 4px solid var(--accent-green);
}

.logo {
  font-size: 3rem;
  color: var(--accent-green);
  text-shadow: 0 0 10px var(--accent-green);
  margin: 0;
  letter-spacing: 4px;
}

.tagline {
  font-size: 1rem;
  color: #888;
  margin-top: 8px;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}

.game-card {
  background-color: var(--card-gray);
  border: 4px solid #444;
  padding: 12px;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  cursor: pointer;
  position: relative;
}

.game-card:hover {
  transform: scale(1.03);
  box-shadow: 0 0 0 4px var(--accent-green);
  border-color: var(--accent-green);
}

/* 游戏卡片标题与元信息 */
.game-card h3 {
  font-size: 0.9rem;
  margin: 12px 0 4px;
  color: var(--accent-green);
  text-align: center;
}

.game-card .game-meta {
  font-size: 11px;
  color: #666;
  text-align: center;
  padding-bottom: 8px;
}

/* ========== 纯 CSS 复古卡带占位符（替代图片） ========== */

/* 替代图片的占位容器 */
.game-cover-placeholder {
  width: 100%;
  height: 150px;
  background-color: #1a1a1e;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 2px solid #121214;
}

/* 模拟老式 CRT 街机显示屏的扫描线网格效果 */
.arcade-grid {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: 
    linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
    linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  background-size: 100% 4px, 6px 100%;
  opacity: 0.8;
}

/* 居中的大像素表情图标 */
.pixel-icon {
  font-size: 48px;
  filter: drop-shadow(0 0 10px rgba(57, 255, 20, 0.6));
  z-index: 1;
  transition: transform 0.3s ease;
}

/* 给不同的游戏定制不同的渐变暗光背景 */
.snake-bg {
  background: radial-gradient(circle, #1f3a1e 0%, #121214 100%);
}
.tetris-bg {
  background: radial-gradient(circle, #2a2a4a 0%, #121214 100%);
}
.breakout-bg {
  background: radial-gradient(circle, #3a1f2a 0%, #121214 100%);
}
.invaders-bg {
  background: radial-gradient(circle, #1a2a3a 0%, #121214 100%);
}
.pacman-bg {
  background: radial-gradient(circle, #2a3a1a 0%, #121214 100%);
}
.racer-bg {
  background: radial-gradient(circle, #1a1a2a 0%, #121214 100%);
}
.flappy-bg {
  background: radial-gradient(circle, #1a3a2a 0%, #121214 100%);
}
.pong-bg {
  background: radial-gradient(circle, #2a2a3a 0%, #121214 100%);
}
.asteroids-bg {
  background: radial-gradient(circle, #2a1a3a 0%, #121214 100%);
}
.frogger-bg {
  background: radial-gradient(circle, #1a3a1a 0%, #121214 100%);
}
.missile-bg {
  background: radial-gradient(circle, #1a2a4a 0%, #121214 100%);
}
.helicopter-bg {
  background: radial-gradient(circle, #2a3a3a 0%, #121214 100%);
}
.simon-bg {
  background: radial-gradient(circle, #2a3a2a 0%, #121214 100%);
}
.memory-bg {
  background: radial-gradient(circle, #3a2a3a 0%, #121214 100%);
}
.runner-bg {
  background: radial-gradient(circle, #2a2a1a 0%, #121214 100%);
}
.minesweeper-bg {
  background: radial-gradient(circle, #2a1a1a 0%, #121214 100%);
}
.whack-bg {
  background: radial-gradient(circle, #3a2a1a 0%, #121214 100%);
}
.lunar-bg {
  background: radial-gradient(circle, #1a1a3a 0%, #121214 100%);
}
.sudoku-bg {
  background: radial-gradient(circle, #1a2a3a 0%, #121214 100%);
}
.sokoban-bg {
  background: radial-gradient(circle, #2a2a1a 0%, #121214 100%);
}
.lights-bg {
  background: radial-gradient(circle, #2a1a2a 0%, #121214 100%);
}
.sliding-bg {
  background: radial-gradient(circle, #1a2a2a 0%, #121214 100%);
}
.huarong-bg {
  background: radial-gradient(circle, #3a1a1a 0%, #121214 100%);
}
.lianliankan-bg {
  background: radial-gradient(circle, #2a3a1a 0%, #121214 100%);
}
.bg-2048 {
  background: radial-gradient(circle, #3a2e1e 0%, #121214 100%);
}

/* 当鼠标悬停卡片时，图标产生微微放大的动态反馈 */
.game-card:hover .pixel-icon {
  transform: scale(1.2) rotate(5deg);
}

footer {
  text-align: center;
  padding: 30px;
  font-size: 0.75rem;
  color: #555;
  border-top: 2px solid #333;
}

footer p {
  margin: 0 0 10px;
}

footer p:last-child {
  margin-bottom: 0;
}

.footer-beian a {
  color: #666;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-beian a:hover {
  color: #39FF14;
}

/* 伪装层样式 */
#disguise-layer {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #fff;
  display: none;
}

/* 按钮通用样式 */
.btn {
  font-family: inherit;
  background: transparent;
  border: 3px solid var(--accent-green);
  color: var(--accent-green);
  padding: 10px 20px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.1s;
}

.btn:hover {
  background: var(--accent-green);
  color: var(--bg-deep);
}

/* ========== 摸鱼榜样式 ========== */
.leaderboard {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  text-align: center;
}

.leaderboard h3 {
  color: #39FF14;
  font-size: 1rem;
  margin-bottom: 20px;
}

.leaderboard-grid {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.leaderboard-item {
  background: #1a1a1e;
  border: 2px solid #333;
  padding: 15px 25px;
  min-width: 140px;
}

.leaderboard-item .game-name {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 8px;
}

.leaderboard-item .score {
  font-size: 1.4rem;
  color: #39FF14;
  font-weight: bold;
}

/* ========== 硬核街机排行榜样式 ========== */
.retro-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  color: #aaa;
  background: #1a1a1e;
  border: 3px solid #333;
}

.retro-table th, .retro-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px dashed #222;
}

.retro-table th {
  color: #666;
  background: #111;
  font-size: 11px;
}

.retro-table tr.top1 {
  color: #FF00FF;
  text-shadow: 0 0 8px #FF00FF;
}

.retro-table tr:hover {
  background: #222;
}