/* ===== PinelliaGame - 游戏大厅样式 ===== */

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

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --bg-card-hover: #1c2a4a;
  --text-primary: #e8e8f0;
  --text-secondary: #9898b8;
  --text-muted: #606080;
  --accent: #7c5cff;
  --accent-glow: rgba(124, 92, 255, 0.3);
  --border: #2a2a4a;
  --shadow: rgba(0, 0, 0, 0.4);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #9b7cff;
}

/* --- Header --- */
.header {
  position: relative;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  padding: 48px 24px 36px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.header-title {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #7c5cff, #00d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.header-subtitle {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* 返回链接（博客集成 / 独立运行） */
.back-link {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all var(--transition);
  border: 1px solid transparent;
  z-index: 10;
}

.back-link:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  border-color: var(--border);
}

.back-link.hidden {
  display: none;
}

/* --- Main --- */
.main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 24px 48px;
}

/* --- State Messages (Loading / Error / Empty) --- */
.state-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 64px 24px;
}

.state-message.hidden {
  display: none;
}

.state-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.state-message h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.state-message p {
  color: var(--text-secondary);
  max-width: 480px;
}

/* Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Guide box (empty state) */
.guide {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-align: left;
  line-height: 1.8;
  max-width: 420px;
  white-space: pre-wrap;
}

/* Retry button */
.btn-retry {
  margin-top: 20px;
  padding: 10px 28px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition);
}

.btn-retry:hover {
  background: #6a4ae6;
  box-shadow: 0 0 20px var(--accent-glow);
}

/* --- Game Grid --- */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.game-grid.hidden {
  display: none;
}

/* --- Game Card --- */
.game-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px 20px;
  cursor: pointer;
  transition: all var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.game-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--card-color, var(--accent));
  opacity: 0.8;
}

.game-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: var(--card-color, var(--accent));
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), 0 0 20px var(--card-glow, var(--accent-glow));
}

.game-card:active {
  transform: translateY(-1px);
}

/* Card icon */
.card-icon {
  font-size: 2.8rem;
  line-height: 1;
  margin-bottom: 12px;
}

/* Card title */
.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

/* Card description */
.card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 12px;
}

/* Card tags */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  border-radius: 999px;
  background: rgba(124, 92, 255, 0.12);
  color: var(--text-secondary);
  border: 1px solid rgba(124, 92, 255, 0.15);
}

/* Card click hint */
.card-hint {
  position: absolute;
  bottom: 16px;
  right: 16px;
  font-size: 1.1rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.game-card:hover .card-hint {
  opacity: 1;
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 20px 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .header {
    padding: 36px 20px 28px;
  }

  .header-title {
    font-size: 1.8rem;
  }

  .header-subtitle {
    font-size: 0.9rem;
  }

  .main {
    padding: 24px 16px 36px;
  }

  .game-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
  }

  .game-card {
    padding: 18px 14px 14px;
  }

  .card-icon {
    font-size: 2.2rem;
  }

  .card-title {
    font-size: 1rem;
  }
}

@media (max-width: 400px) {
  .game-grid {
    grid-template-columns: 1fr;
  }
}