/* 大厅页面 */

.lobby-wrap {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 32px 80px;
}

/* 顶部条：标题 + 主视觉 */
.lobby-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 28px;
}

.lobby-title {
  display: flex;
  align-items: baseline;
  gap: 18px;
}

.lobby-title h1 {
  font-family: var(--font-serif);
  font-size: 48px;
  letter-spacing: 0.1em;
  color: var(--ink);
  text-shadow: 2px 2px 0 rgba(255, 255, 255, 0.35);
}

.lobby-title .sub {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-mute);
  letter-spacing: 0.3em;
}

.lobby-hero {
  display: flex;
  gap: 10px;
  align-items: center;
}

.lobby-hero .stat {
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(4px);
  padding: 10px 18px;
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 255, 255, 0.6);
  text-align: center;
  min-width: 84px;
}
.lobby-hero .stat .n {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--accent-red);
  line-height: 1;
}
.lobby-hero .stat .l {
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 4px;
}

/* 创建房间卡 */
.create-card {
  padding: 24px 28px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  animation: fadeInUp 0.4s ease both;
}
.create-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--ink);
  margin-right: auto;
}
.create-card .input { min-width: 220px; }

/* 房间列表 */

.rooms-section h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.rooms-section h2::before {
  content: "";
  width: 6px;
  height: 22px;
  background: var(--accent-red);
  display: inline-block;
  border-radius: 2px;
}

.room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.room-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  animation: fadeInUp 0.35s ease both;
  position: relative;
  overflow: hidden;
}
.room-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-red), var(--accent-gold), var(--accent-indigo));
}
.room-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.room-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.room-id {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 0.05em;
}
.room-status {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 99px;
  font-weight: 600;
}
.room-status.playing  { background: #e6f0d6; color: #4f7020; }
.room-status.marking  { background: #fde9c6; color: #8a5a1c; }
.room-status.finished { background: #e0e0e0; color: #6a6a6a; }

.room-meta {
  display: flex;
  justify-content: space-between;
  color: var(--ink-mute);
  font-size: 13px;
}
.room-meta b { color: var(--ink); font-weight: 600; }

.room-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-mute);
  font-family: var(--font-serif);
  font-size: 18px;
}
.empty-state .ideo {
  font-size: 60px;
  color: var(--wood-warm);
  margin-bottom: 12px;
  opacity: 0.6;
}

/* 底部 tips */
.lobby-tips {
  margin-top: 40px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.35);
  border-radius: var(--r-md);
  color: var(--ink-mute);
  font-size: 13px;
  line-height: 1.8;
}

@media (max-width: 640px) {
  .lobby-title h1 { font-size: 36px; }
  .lobby-wrap { padding: 24px 16px 60px; }
}