/* ============================================
   DOIN.WIN — 复古像素风主题
   ============================================ */

:root {
  /* 配色：近黑藏蓝底 + 霓虹点缀 */
  --bg: #0b0b1a;
  --bg-raise: #14142b;
  --ink: #e8e6f0;
  --ink-dim: #8b89a6;

  --neon-cyan: #4de8e0;
  --neon-pink: #ff5db1;
  --neon-amber: #ffc94d;
  --neon-violet: #9d7bff;

  --pixel: 4px; /* 像素硬边基础单位 */

  /* 字体 */
  --font-pixel: "Press Start 2P", "PingFang SC", "Microsoft YaHei", monospace;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html {
  background: var(--bg);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(157, 123, 255, 0.14), transparent),
    radial-gradient(ellipse 60% 40% at 85% 110%, rgba(77, 232, 224, 0.08), transparent),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- CRT 扫描线（低透明度，克制） ---------- */
.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0, 0, 0, 0.14) 3px,
    rgba(0, 0, 0, 0.14) 4px
  );
  opacity: 0.5;
}

/* ---------- 页头 ---------- */
.site-header {
  text-align: center;
  padding: clamp(48px, 9vw, 88px) 20px 8px;
}

.logo-text {
  font-family: var(--font-pixel);
  font-size: clamp(28px, 6vw, 52px);
  letter-spacing: 0.06em;
  color: var(--ink);
  text-shadow:
    var(--pixel) var(--pixel) 0 var(--neon-pink),
    calc(var(--pixel) * -1) calc(var(--pixel) * -1) 0 rgba(77, 232, 224, 0.35);
}

.logo-dot {
  color: var(--neon-amber);
}

.tagline {
  margin-top: 20px;
  font-family: var(--font-pixel);
  font-size: clamp(8px, 1.6vw, 11px);
  line-height: 2;
  color: var(--ink-dim);
  letter-spacing: 0.12em;
}

.header-divider {
  margin: 36px auto 0;
  max-width: 640px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-pixel);
  font-size: 10px;
  color: var(--neon-cyan);
  letter-spacing: 0.1em;
}

.header-divider::before,
.header-divider::after {
  content: "";
  flex: 1;
  height: var(--pixel);
  background: repeating-linear-gradient(
    to right,
    rgba(77, 232, 224, 0.4) 0 var(--pixel),
    transparent var(--pixel) calc(var(--pixel) * 2)
  );
}

.blink {
  animation: blink 1.2s steps(2, start) infinite;
}

@keyframes blink {
  to {
    visibility: hidden;
  }
}

/* ---------- 游戏卡片网格 ---------- */
main {
  flex: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.noscript-msg,
.load-err {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--ink-dim);
  font-family: var(--font-pixel);
  font-size: 11px;
  line-height: 2;
  padding: 40px 0;
}

/* ---------- 卡片 ---------- */
.game-card {
  position: relative;
  display: block;
  background: var(--bg-raise);
  border: var(--pixel) solid var(--ink);
  text-decoration: none;
  color: inherit;
  /* 像素硬阴影 */
  box-shadow: calc(var(--pixel) * 2) calc(var(--pixel) * 2) 0 var(--card-accent, var(--neon-cyan));
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  image-rendering: pixelated;
}

.game-card:hover,
.game-card:focus-visible {
  transform: translate(calc(var(--pixel) * -1), calc(var(--pixel) * -1));
  box-shadow: calc(var(--pixel) * 3) calc(var(--pixel) * 3) 0 var(--card-accent, var(--neon-cyan));
}

.game-card:active {
  transform: translate(var(--pixel), var(--pixel));
  box-shadow: var(--pixel) var(--pixel) 0 var(--card-accent, var(--neon-cyan));
}

.game-card:focus-visible {
  outline: 3px dashed var(--neon-amber);
  outline-offset: 5px;
}

/* 封面区 */
.card-cover {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.03)),
    repeating-conic-gradient(var(--bg) 0% 25%, var(--bg-raise) 0% 50%) 0 0 / 24px 24px;
  border-bottom: var(--pixel) solid var(--ink);
  overflow: hidden;
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-icon {
  font-size: 56px;
  line-height: 1;
  filter: drop-shadow(var(--pixel) var(--pixel) 0 rgba(0, 0, 0, 0.45));
  transition: transform 0.12s ease;
}

.game-card:hover .card-icon {
  transform: scale(1.12);
}

/* 即将上线徽标 */
.badge-soon {
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--font-pixel);
  font-size: 8px;
  padding: 6px 8px;
  color: var(--bg);
  background: var(--neon-amber);
  border: 2px solid var(--bg);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.5);
  letter-spacing: 0.08em;
}

/* 文字区 */
.card-body {
  padding: 18px 16px 20px;
}

.card-title {
  font-family: var(--font-pixel);
  font-size: 24px;
  line-height: 1.5;
  color: var(--card-accent, var(--neon-cyan));
}

.card-desc {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.card-tags {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-family: var(--font-pixel);
  font-size: 8px;
  padding: 5px 8px;
  color: var(--ink-dim);
  border: 2px solid var(--ink-dim);
  letter-spacing: 0.08em;
}

/* 即将上线卡片：整体降饱和、禁止点击 */
.game-card.is-soon {
  cursor: default;
  filter: saturate(0.75);
}

.game-card.is-soon:hover,
.game-card.is-soon:focus-visible {
  transform: none;
  box-shadow: calc(var(--pixel) * 2) calc(var(--pixel) * 2) 0 var(--card-accent, var(--neon-cyan));
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 28px 20px 36px;
  text-align: center;
  font-family: var(--font-pixel);
  font-size: 8px;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .blink {
    animation: none;
  }
  .game-card,
  .card-icon {
    transition: none;
  }
}