/**
 * 大厅样式。设计稿 2a「无卡片框架」：只用留白和发丝线分区，
 * 全文件不出现一处 border 包裹容器。
 */

.lobby {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 32px 60px;
}

/* —— 顶栏 —— */
.lobby-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.lobby-brand { display: flex; align-items: baseline; gap: 10px; }
.lobby-logo { font: 700 22px/1 var(--font-serif); letter-spacing: .06em; }
.lobby-logo-en {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: .22em;
  color: var(--muted);
}
.lobby-top-right { display: flex; align-items: center; gap: 14px; }
.lobby-online { font-size: 12.5px; color: var(--muted); }

/* —— 玩家条 —— */
.lobby-me { display: flex; align-items: center; gap: 12px; padding: 20px 0 4px; }
.lobby-me-nick { font-weight: 600; }
.lobby-me-record { font-size: 12.5px; }

/* —— 三个操作区：靠竖发丝线分隔，无边框 —— */
.acts {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 26px;
  align-items: stretch;
  padding: 26px 0 30px;
}
.act { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.act-title { margin: 0; font: 700 13px/1.4 var(--font-sans); }
.act-note { font-size: 12px; margin: 0; }
.act > .btn { margin-top: auto; align-self: stretch; }
.act-or {
  display: flex; align-items: center; gap: 10px;
  align-self: stretch; font-size: 12px;
}
.act-or::before, .act-or::after {
  content: ''; flex: 1; height: 1px; background: var(--hairline);
}

/* —— 分段选择器 —— */
.seg { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.seg-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 7px;
  font-size: 12.5px; color: var(--text-2);
  transition: background-color .15s, color .15s;
}
.seg-btn:hover { background: var(--surface); }
.seg-btn[data-on="true"] { background: var(--accent-tint); color: var(--accent); font-weight: 600; }
.seg-tag {
  font: 500 10px/1 var(--font-mono);
  padding: 2px 5px; border-radius: 4px;
  background: var(--surface); color: var(--muted);
}
.swatch { width: 11px; height: 11px; border-radius: 50%; }

/* —— 邀请码输入 —— */
.code-row { display: flex; gap: 6px; }
.code-cell {
  width: 34px; height: 42px;
  text-align: center;
  font: 600 17px/1 var(--font-mono);
  border-radius: 8px;
  background: var(--surface);
  transition: box-shadow .15s;
}
.code-cell:focus { outline: none; box-shadow: inset 0 0 0 2px var(--accent); }
.code-big {
  margin: 14px 0 4px;
  font: 700 30px/1 var(--font-mono);
  letter-spacing: .18em;
  text-align: center;
  color: var(--accent);
}

/* —— 房间列表 —— */
.rooms { padding-top: 26px; }
.rooms-head { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
.rooms-hint { margin-left: auto; font-size: 11.5px; }
.tabs { display: flex; gap: 4px; }
.tab {
  padding: 5px 11px; border-radius: 7px;
  font-size: 12.5px; color: var(--muted);
}
.tab:hover { background: var(--surface); }
.tab[data-on="true"] { background: var(--surface); color: var(--text); font-weight: 600; }

.rooms-body { display: flex; flex-direction: column; }
.rooms-empty { padding: 34px 0; text-align: center; font-size: 13px; }

.room-row {
  display: grid;
  grid-template-columns: 68px 28px minmax(90px, 1fr) auto auto 76px;
  align-items: center;
  gap: 12px;
  padding: 11px 6px;
  border-bottom: 1px solid var(--hairline);   /* 发丝线，非卡片边框 */
}
.room-row:hover { background: var(--surface); }
.room-no { font-size: 12.5px; color: var(--muted); }
.room-host { font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.room-rules, .room-state { font-size: 12px; white-space: nowrap; }
.room-row > .btn { justify-self: end; }

/* —— 首次进入弹窗 —— */
.nick-preview {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 22px 0 6px;
}
.nick-text { font: 600 17px/1 var(--font-sans); }

/* —— toast —— */
.toast {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  padding: 10px 16px; border-radius: 9px;
  background: var(--text); color: var(--bg);
  font-size: 13px;
  box-shadow: 0 8px 24px -10px rgba(15, 42, 63, .5);
  animation: toastIn .18s ease-out both;
}
.toast--out { opacity: 0; transition: opacity .25s; }
@keyframes toastIn { from { transform: translateY(8px); opacity: 0; } }

/* —— 设置面板 —— */
.settings { max-height: min(70vh, 560px); overflow-y: auto; padding-right: 4px; }
.set-group { margin: 0 0 4px; font: 700 13px/1.4 var(--font-sans); }
.set-field { padding: 18px 0 4px; }
.set-label { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.set-desc { font-size: 11.5px; line-height: 1.6; margin: 8px 0 0; }
.set-row {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline);
  cursor: pointer;
}
.set-row .set-desc { margin-top: 2px; }
.set-row input { width: 17px; height: 17px; accent-color: var(--accent); cursor: pointer; }

/* —— 响应式：设计稿 1e 手机 390×844 —— */
@media (max-width: 900px) {
  .lobby { padding: 20px 16px 48px; }
  .acts { grid-template-columns: 1fr; gap: 0; }
  .acts > .vr { display: none; }
  .act {
    padding: 18px 0;
    border-bottom: 1px solid var(--hairline);
  }
  .act:last-child { border-bottom: 0; }
  .room-row { grid-template-columns: 58px 28px 1fr 70px; row-gap: 4px; }
  .room-rules, .room-state { grid-column: 3 / -1; font-size: 11.5px; }
}

/* —— 昵称输入（首次进入与设置面板共用） —— */
.nick-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 0 4px;
}
.nick-input {
  flex: 1;
  min-width: 0;
  padding: 10px 13px;
  border-radius: 9px;
  background: var(--surface);
  font-size: 15px;
  font-weight: 600;
}
.nick-input:focus { outline: none; box-shadow: inset 0 0 0 2px var(--accent); }
.nick-err { color: var(--danger); font-size: 12.5px; min-height: 18px; margin: 2px 0 0; }