/* ============================================================
   CoCo语音 UI  (hys.xinyinyuan.com)
   深色主题默认 · PC/手机自适应
   ============================================================ */

/* ---------- 主题预设 ---------- */
:root, [data-theme="coco-dark"] {
  --bg-page:#171923; --bg-card:#2A2B35; --bg-panel:#31323B;
  --text-primary:#E8E8E9; --text-secondary:#B9BABD;
  --border-light:#3E4048; --accent:#8B5CF6; --accent-hover:#9970F7;
  --accent-rgb:139,92,246; --text-on-accent:#F8FAFC;
  --btn-secondary-bg:#2E3039; --btn-secondary-border:#41424B;
  --input-bg:#373942; --member-bg:#2C2E37;
  --shadow:0 28px 60px -18px rgba(0,0,0,.56);
}
[data-theme="cream-apricot"] { /* 奶油杏暖 */
  --bg-page:#FBF3E8; --bg-card:#FFFFFF; --bg-panel:#FDF8F0;
  --text-primary:#4A3B2A; --text-secondary:#8A7A63;
  --border-light:#EFE3D2; --accent:#E8913D; --accent-hover:#D17F2B;
  --accent-rgb:232,145,61; --text-on-accent:#FFFFFF;
  --btn-secondary-bg:#F5EBDC; --btn-secondary-border:#E8DAC4;
  --input-bg:#F8F0E3; --member-bg:#FBF5EA;
  --shadow:0 20px 48px -18px rgba(180,140,80,.30);
}
[data-theme="maple-blue"] { /* 云枫蓝清 */
  --bg-page:#EEF4FB; --bg-card:#FFFFFF; --bg-panel:#F5F9FE;
  --text-primary:#2B3A4E; --text-secondary:#6B7C93;
  --border-light:#DCE7F3; --accent:#3B82C4; --accent-hover:#2E71AE;
  --accent-rgb:59,130,196; --text-on-accent:#FFFFFF;
  --btn-secondary-bg:#E8F0F9; --btn-secondary-border:#D2E0EF;
  --input-bg:#F0F6FC; --member-bg:#F4F8FD;
  --shadow:0 20px 48px -18px rgba(80,130,190,.28);
}
[data-theme="fresh-light"] { /* 清爽浅色 */
  --bg-page:#F5F7FA; --bg-card:#FFFFFF; --bg-panel:#FAFBFD;
  --text-primary:#2D3748; --text-secondary:#718096;
  --border-light:#E2E8F0; --accent:#4A90D9; --accent-hover:#3B7CC4;
  --accent-rgb:74,144,217; --text-on-accent:#FFFFFF;
  --btn-secondary-bg:#EDF2F7; --btn-secondary-border:#DDE5EE;
  --input-bg:#F3F6FA; --member-bg:#F7F9FC;
  --shadow:0 20px 48px -18px rgba(90,110,140,.22);
}
[data-theme="mint-morning"] { /* 薄荷晨露 */
  --bg-page:#F0FAF6; --bg-card:#FFFFFF; --bg-panel:#F6FCF9;
  --text-primary:#26473C; --text-secondary:#5F8579;
  --border-light:#D6EDE3; --accent:#34B48A; --accent-hover:#2A9E76;
  --accent-rgb:52,180,138; --text-on-accent:#FFFFFF;
  --btn-secondary-bg:#E4F5EE; --btn-secondary-border:#CDE9DD;
  --input-bg:#EFFAF5; --member-bg:#F3FBF7;
  --shadow:0 20px 48px -18px rgba(60,160,130,.25);
}
[data-theme="deep-ocean"] { /* 深海夜蓝 */
  --bg-page:#0E1626; --bg-card:#1A2438; --bg-panel:#202B42;
  --text-primary:#E2E8F5; --text-secondary:#94A3C0;
  --border-light:#2C3A55; --accent:#3E7BFA; --accent-hover:#5A8FFB;
  --accent-rgb:62,123,250; --text-on-accent:#FFFFFF;
  --btn-secondary-bg:#22304A; --btn-secondary-border:#32415E;
  --input-bg:#273450; --member-bg:#1E2A42;
  --shadow:0 28px 60px -18px rgba(0,0,0,.6);
}
[data-theme="cold-premium"] { /* 高级冷调 */
  --bg-page:#14161A; --bg-card:#1F2228; --bg-panel:#262A31;
  --text-primary:#E4E6EA; --text-secondary:#9BA0A8;
  --border-light:#34383F; --accent:#5E6AD2; --accent-hover:#707DE0;
  --accent-rgb:94,106,210; --text-on-accent:#F4F5FF;
  --btn-secondary-bg:#24272E; --btn-secondary-border:#383C44;
  --input-bg:#2B2F37; --member-bg:#22252C;
  --shadow:0 28px 60px -18px rgba(0,0,0,.62);
}
[data-theme="rose-neon"] { /* 玫瑰霓光 */
  --bg-page:#1E1520; --bg-card:#2C1F30; --bg-panel:#352639;
  --text-primary:#F3E9F2; --text-secondary:#BFA6C4;
  --border-light:#46324C; --accent:#E34F9E; --accent-hover:#ED66AF;
  --accent-rgb:227,79,158; --text-on-accent:#FFFFFF;
  --btn-secondary-bg:#33253A; --btn-secondary-border:#4A3652;
  --input-bg:#3A2B40; --member-bg:#2E2334;
  --shadow:0 28px 60px -18px rgba(0,0,0,.58);
}

/* ---------- 基础 ---------- */
* { margin:0; padding:0; box-sizing:border-box; }
html {
  -webkit-text-size-adjust:100%; text-size-adjust:100%;
  touch-action:manipulation;
}
body {
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg-page); color:var(--text-primary);
  min-height:100vh; transition:background .3s,color .3s;
  font-size:14px; line-height:1.6;
  touch-action:manipulation;
  overscroll-behavior-y:none;
}
button { font-family:inherit; cursor:pointer; border:none; background:none; color:inherit; }
input, textarea, select { font-family:inherit; color:var(--text-primary); }
img { max-width:100%; }
a { color:var(--accent); text-decoration:none; }
.hidden { display:none !important; }

::-webkit-scrollbar { width:8px; height:8px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:rgba(var(--accent-rgb),.3); border-radius:8px; }
::-webkit-scrollbar-thumb:hover { background:rgba(var(--accent-rgb),.5); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position:sticky; top:0; z-index:100;
  display:flex; align-items:center; gap:12px;
  padding:0 20px; height:60px;
  background:var(--bg-card); border-bottom:1px solid var(--border-light);
  backdrop-filter:blur(12px);
}
.site-logo {
  display:flex; align-items:center; gap:10px; font-weight:700; font-size:17px;
}
.site-logo .logo-dot {
  width:32px; height:32px; border-radius:10px; flex:none;
  background:linear-gradient(135deg, var(--accent), rgba(var(--accent-rgb),.55));
  display:flex; align-items:center; justify-content:center; font-size:16px;
}
.site-title-badge {
  font-size:11px; font-weight:600; padding:2px 8px; border-radius:20px;
  background:rgba(var(--accent-rgb),.16); color:var(--accent);
}
.header-spacer { flex:1; }
.header-btn {
  display:flex; align-items:center; gap:6px;
  padding:7px 14px; border-radius:10px; font-size:13px;
  background:var(--btn-secondary-bg); border:1px solid var(--btn-secondary-border);
  color:var(--text-primary); transition:all .2s;
}
.header-btn:hover { border-color:var(--accent); color:var(--accent); }
.header-btn.primary { background:var(--accent); border-color:var(--accent); color:var(--text-on-accent); }
.header-btn.primary:hover { background:var(--accent-hover); }

/* 账号胶囊 */
.account-chip { position:relative; }
.account-chip-trigger {
  display:flex; align-items:center; gap:8px;
  padding:5px 12px 5px 5px; border-radius:30px;
  background:var(--btn-secondary-bg); border:1px solid var(--btn-secondary-border);
}
.account-chip-trigger:hover { border-color:var(--accent); }
.avatar-circle {
  width:30px; height:30px; border-radius:50%; flex:none;
  background:linear-gradient(135deg, var(--accent), rgba(var(--accent-rgb),.5));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-weight:600; font-size:13px; overflow:hidden;
}
.avatar-circle img { width:100%; height:100%; object-fit:cover; }
.account-menu {
  position:absolute; right:0; top:calc(100% + 8px); width:220px;
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:14px; box-shadow:var(--shadow); padding:8px; z-index:200;
}
.account-menu-header {
  display:flex; align-items:center; gap:10px; padding:10px;
  border-bottom:1px solid var(--border-light); margin-bottom:6px;
}
.account-menu-item {
  display:flex; align-items:center; gap:10px; width:100%;
  padding:9px 12px; border-radius:9px; font-size:13px; text-align:left;
  color:var(--text-primary);
}
.account-menu-item:hover { background:rgba(var(--accent-rgb),.12); color:var(--accent); }

/* ---------- 主容器 ---------- */
/* PC：左侧 64px 侧边栏 + 26px 间距，纯 CSS 让位，避免 JS 判断失效导致内容被压 */
.main-interface { max-width:none; margin:0; padding:20px 26px 26px 90px; }
.site-header { padding-left:90px; }

/* ---------- 大厅 ---------- */
.lobby-hero {
  display:flex; flex-wrap:wrap; align-items:center; gap:14px;
  padding:18px 22px; margin-bottom:18px;
  background:linear-gradient(120deg, rgba(var(--accent-rgb),.14), rgba(var(--accent-rgb),.04));
  border:1px solid rgba(var(--accent-rgb),.22);
  border-radius:18px;
}
.lobby-hero h1 { font-size:20px; }
.lobby-hero p { color:var(--text-secondary); font-size:13px; width:100%; }
.hero-badges { display:flex; flex-wrap:wrap; gap:8px; }
.hero-badge {
  font-size:12px; padding:4px 12px; border-radius:20px;
  background:var(--bg-card); border:1px solid var(--border-light); color:var(--text-secondary);
}
.hero-badge b { color:var(--accent); }

.lobby-toolbar {
  display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin-bottom:16px;
}
.lobby-toolbar h2 { font-size:16px; margin-right:auto; }
.search-input {
  padding:8px 14px; border-radius:10px; width:200px;
  background:var(--input-bg); border:1px solid var(--border-light); outline:none;
}
.search-input:focus { border-color:var(--accent); }
.sort-select-wrap { position:relative; }
.sort-menu {
  position:absolute; right:0; top:calc(100% + 6px); width:150px;
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:12px; box-shadow:var(--shadow); padding:6px; z-index:150;
}
.sort-menu button {
  display:block; width:100%; text-align:left; padding:8px 12px;
  border-radius:8px; font-size:13px;
}
.sort-menu button:hover, .sort-menu button.active { background:rgba(var(--accent-rgb),.14); color:var(--accent); }

/* 房间卡片 */
.room-grid {
  display:grid; gap:14px;
  grid-template-columns:repeat(auto-fill, minmax(250px, 1fr));
}
.room-card {
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:16px; padding:16px; cursor:pointer;
  transition:transform .2s, border-color .2s, box-shadow .2s;
}
.room-card:hover { transform:translateY(-3px); border-color:var(--accent); box-shadow:0 12px 30px -12px rgba(var(--accent-rgb),.35); }
.room-card-top { display:flex; align-items:center; gap:8px; margin-bottom:8px; }
.room-type-badge {
  font-size:11px; padding:2px 8px; border-radius:6px; flex:none;
  background:rgba(var(--accent-rgb),.16); color:var(--accent); font-weight:600;
}
.room-type-badge.lock { background:rgba(234,179,8,.16); color:#eab308; }
.room-card-name {
  font-size:15px; font-weight:600; overflow:hidden;
  text-overflow:ellipsis; white-space:nowrap;
}
.room-card-meta {
  display:flex; align-items:center; justify-content:space-between;
  color:var(--text-secondary); font-size:12px;
}
.room-card-meta .owner { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.member-count-pill { display:flex; align-items:center; gap:4px; flex:none; }
.lobby-empty {
  text-align:center; padding:60px 20px; color:var(--text-secondary);
  background:var(--bg-card); border-radius:16px; border:1px dashed var(--border-light);
}
.load-more-tip { text-align:center; color:var(--text-secondary); padding:14px; font-size:12px; }

/* 创建/加入 表单卡片 */
.lobby-forms { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:18px; }
.lobby-form-card {
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:16px; padding:18px;
}
.lobby-form-card h3 { font-size:14px; margin-bottom:12px; display:flex; align-items:center; gap:8px; }
.form-input {
  width:100%; padding:10px 14px; margin-bottom:10px;
  border-radius:10px; background:var(--input-bg);
  border:1px solid var(--border-light); outline:none; font-size:14px;
}
.form-input:focus { border-color:var(--accent); }
.btn-primary {
  width:100%; padding:10px; border-radius:10px;
  background:var(--accent); color:var(--text-on-accent);
  font-weight:600; font-size:14px; transition:background .2s;
}
.btn-primary:hover { background:var(--accent-hover); }
.btn-primary:disabled { opacity:.5; cursor:not-allowed; }

/* ---------- 房间界面 ---------- */
.room-meta-bar {
  display:flex; flex-wrap:wrap; align-items:center; gap:10px;
  padding:14px 18px; margin-bottom:14px;
  background:var(--bg-card); border:1px solid var(--border-light); border-radius:16px;
}
.room-meta-bar .room-name { font-size:16px; font-weight:700; }
.mode-badge, .quality-badge {
  font-size:11px; padding:2px 10px; border-radius:20px; font-weight:600;
  background:rgba(var(--accent-rgb),.16); color:var(--accent);
}
.quality-badge { background:rgba(52,180,138,.16); color:#34B48A; }
.transport-badge {
  font-size:11px; padding:2px 10px; border-radius:20px; font-weight:600;
  background:rgba(148,163,184,.16); color:var(--text-secondary);
}
.transport-badge.ok { background:rgba(52,180,138,.16); color:#34B48A; }
.transport-badge.warn { background:rgba(234,179,8,.16); color:#EAB308; }
.room-meta-actions { margin-left:auto; display:flex; gap:8px; }

.room-announcement {
  overflow:hidden; white-space:nowrap; margin-bottom:14px;
  padding:8px 16px; border-radius:10px;
  background:rgba(var(--accent-rgb),.08); border:1px solid rgba(var(--accent-rgb),.18);
  color:var(--text-secondary); font-size:12px;
}
.room-announcement span { display:inline-block; padding-left:100%; animation:marquee 18s linear infinite; }
@keyframes marquee { to { transform:translateX(-100%); } }

.room-layout {
  display:grid; grid-template-columns:minmax(0, 1fr) 380px; gap:16px; align-items:stretch;
}

/* 麦位 */
.mic-stage {
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:16px; padding:22px;
}
.mic-stage-title { font-size:13px; color:var(--text-secondary); margin-bottom:16px; }
.mic-seats {
  display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:16px;
}
.mic-seat {
  display:flex; flex-direction:column; align-items:center; gap:8px;
  padding:20px 10px; border-radius:16px;
  background:var(--member-bg); border:1px solid var(--border-light);
  cursor:pointer; transition:all .2s; position:relative;
}
.mic-seat:hover { border-color:var(--accent); }
.mic-seat .seat-avatar {
  width:58px; height:58px; border-radius:50%;
  background:var(--input-bg); border:2px solid var(--border-light);
  display:flex; align-items:center; justify-content:center;
  font-size:22px; overflow:hidden; transition:border-color .2s;
}
.mic-seat .seat-avatar img { width:100%; height:100%; object-fit:cover; }
.mic-seat.occupied .seat-avatar { border-color:var(--accent); }
.mic-seat.speaking .seat-avatar { border-color:#34B48A; box-shadow:0 0 0 4px rgba(52,180,138,.25); animation:speaking-pulse 1s ease infinite; }
@keyframes speaking-pulse { 50% { box-shadow:0 0 0 8px rgba(52,180,138,.12); } }
.mic-seat .seat-name {
  font-size:12px; max-width:100%; overflow:hidden;
  text-overflow:ellipsis; white-space:nowrap;
}
.mic-seat .seat-label { font-size:11px; color:var(--text-secondary); }
.mic-seat.muted .seat-avatar::after {
  content:'🔇'; position:absolute; font-size:12px;
}
.seat-mute-flag { position:absolute; top:8px; right:10px; font-size:11px; }

/* 在线成员 */
.members-panel {
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:16px; padding:16px; margin-top:14px;
}
.members-panel h3 { font-size:13px; color:var(--text-secondary); margin-bottom:10px; }
.members-list { display:flex; flex-direction:column; gap:6px; max-height:220px; overflow-y:auto; }
.member-row {
  display:flex; align-items:center; gap:10px; padding:6px 8px; border-radius:10px;
  background:var(--member-bg);
}
.member-row .avatar-circle { width:26px; height:26px; font-size:11px; }
.member-row .m-name { font-size:13px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.member-row .m-badge { margin-left:auto; font-size:11px; color:var(--accent); flex:none; }

/* 公屏聊天 */
.chat-panel {
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:16px; display:flex; flex-direction:column;
  height:calc(100vh - 220px); min-height:460px;
  position:sticky; top:76px; overflow:hidden;
}
.chat-header {
  display:flex; align-items:center; gap:8px;
  padding:12px 16px; border-bottom:1px solid var(--border-light);
}
.chat-header h3 { font-size:14px; }
.chat-count { font-size:12px; color:var(--text-secondary); }
.chat-header-actions { margin-left:auto; display:flex; gap:6px; }
.chat-icon-btn {
  width:30px; height:30px; border-radius:8px; display:flex;
  align-items:center; justify-content:center; font-size:14px;
  background:var(--btn-secondary-bg); border:1px solid var(--btn-secondary-border);
}
.chat-icon-btn:hover { border-color:var(--accent); }
.chat-messages {
  flex:1; overflow-y:auto; padding:14px; display:flex; flex-direction:column; gap:12px;
}
.chat-msg { display:flex; gap:10px; }
.chat-msg .avatar-circle { width:34px; height:34px; font-size:13px; flex:none; }
.chat-msg-body { min-width:0; }
.chat-msg-meta { display:flex; align-items:baseline; gap:8px; margin-bottom:2px; }
.chat-msg-name { font-size:12px; font-weight:600; color:var(--accent); }
.chat-msg-level { font-size:10px; padding:0 6px; border-radius:4px; background:rgba(var(--accent-rgb),.15); color:var(--accent); }
.chat-msg-time { font-size:11px; color:var(--text-secondary); }
.chat-msg-text {
  font-size:13px; word-break:break-word;
  background:var(--member-bg); padding:8px 12px; border-radius:4px 12px 12px 12px;
  display:inline-block; max-width:100%;
}
.chat-msg-text img { max-width:200px; border-radius:8px; display:block; cursor:pointer; }
.chat-msg.system { justify-content:center; }
.chat-msg.system .sys-text { font-size:11px; color:var(--text-secondary); background:var(--member-bg); padding:3px 12px; border-radius:20px; }
.chat-input-area { border-top:1px solid var(--border-light); padding:10px 12px; }
.chat-attachment-preview {
  display:flex; align-items:center; gap:8px; margin-bottom:8px;
  padding:6px 10px; border-radius:8px; background:var(--member-bg); font-size:12px;
}
.chat-attachment-preview img { height:36px; border-radius:6px; }
.chat-input-row { display:flex; align-items:flex-end; gap:8px; }
.chat-input {
  flex:1; resize:none; border:none; outline:none; max-height:96px;
  background:var(--input-bg); border:1px solid var(--border-light);
  border-radius:12px; padding:9px 12px; font-size:13px; line-height:1.5;
}
.chat-input:focus { border-color:var(--accent); }
.chat-send-btn {
  padding:9px 18px; border-radius:12px; flex:none;
  background:var(--accent); color:var(--text-on-accent); font-weight:600;
}
.chat-send-btn:hover { background:var(--accent-hover); }
.chat-input-footer {
  display:flex; align-items:center; gap:4px; margin-top:8px;
}
.chat-char-count { margin-left:auto; font-size:11px; color:var(--text-secondary); }
.chat-status { font-size:11px; color:var(--text-secondary); padding:0 4px 4px; }

/* 表情面板 */
.emoji-picker {
  position:absolute; bottom:70px; right:12px; z-index:120;
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:14px; box-shadow:var(--shadow); padding:10px;
  display:grid; grid-template-columns:repeat(8, 1fr); gap:2px; width:300px;
}
.emoji-picker button { font-size:20px; padding:5px; border-radius:8px; }
.emoji-picker button:hover { background:rgba(var(--accent-rgb),.15); }

/* ---------- 弹窗 ---------- */
.modal-mask {
  position:fixed; inset:0; z-index:500;
  background:rgba(0,0,0,.55); backdrop-filter:blur(4px);
  display:flex; align-items:center; justify-content:center; padding:16px;
}
.modal-card {
  width:100%; max-width:400px; max-height:88vh; overflow-y:auto;
  background:var(--bg-card); border:1px solid var(--border-light);
  border-radius:18px; box-shadow:var(--shadow); padding:22px;
}
.modal-card.wide { max-width:520px; }
.modal-head { display:flex; align-items:center; margin-bottom:16px; }
.modal-head h3 { font-size:16px; }
.modal-close {
  margin-left:auto; width:30px; height:30px; border-radius:8px;
  display:flex; align-items:center; justify-content:center; font-size:15px;
  background:var(--btn-secondary-bg); border:1px solid var(--btn-secondary-border);
}
.modal-error { color:#F87171; font-size:12px; min-height:18px; margin:4px 0; }
.modal-tip { font-size:12px; color:var(--text-secondary); margin-bottom:10px; }

/* 主题面板 */
.theme-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.theme-card {
  border:2px solid var(--border-light); border-radius:12px; padding:10px;
  cursor:pointer; text-align:left; transition:border-color .2s;
}
.theme-card.active { border-color:var(--accent); }
.theme-swatch { height:44px; border-radius:8px; margin-bottom:8px; display:flex; overflow:hidden; }
.theme-swatch i { flex:1; }
.theme-card .t-name { font-size:12px; font-weight:600; }
.theme-card .t-desc { font-size:11px; color:var(--text-secondary); }

/* 个人资料 */
.profile-head { display:flex; align-items:center; gap:14px; margin-bottom:16px; }
.profile-head .avatar-circle { width:56px; height:56px; font-size:20px; }
.profile-meta .p-name { font-size:16px; font-weight:700; }
.profile-meta .p-id { font-size:12px; color:var(--text-secondary); }
.level-progress { margin:14px 0; }
.level-progress-bar { height:8px; border-radius:8px; background:var(--input-bg); overflow:hidden; }
.level-progress-fill { height:100%; background:var(--accent); border-radius:8px; transition:width .4s; }
.level-progress-text { display:flex; justify-content:space-between; font-size:11px; color:var(--text-secondary); margin-top:4px; }
.profile-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-bottom:14px; }
.stat-card { text-align:center; padding:10px; border-radius:12px; background:var(--member-bg); }
.stat-card .s-val { font-size:18px; font-weight:700; color:var(--accent); }
.stat-card .s-label { font-size:11px; color:var(--text-secondary); }

/* 背包 */
.backpack-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }
.backpack-item {
  text-align:center; padding:14px 8px; border-radius:12px;
  background:var(--member-bg); border:1px solid var(--border-light);
}
.backpack-item .b-icon { font-size:24px; }
.backpack-item .b-name { font-size:12px; margin-top:4px; }
.backpack-item .b-count { font-size:11px; color:var(--text-secondary); }
.backpack-empty { text-align:center; color:var(--text-secondary); padding:30px 0; font-size:13px; }

/* 等级规则表 */
.level-table { width:100%; border-collapse:collapse; font-size:12px; }
.level-table th, .level-table td {
  padding:8px 6px; text-align:center; border-bottom:1px solid var(--border-light);
}
.level-table th { color:var(--text-secondary); font-weight:500; }
.level-table td b { color:var(--accent); }

/* 房间设置 */
.settings-row {
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 0; border-bottom:1px solid var(--border-light); font-size:13px;
}
.settings-row .s-hint { font-size:11px; color:var(--text-secondary); }
.switch {
  position:relative; width:40px; height:22px; flex:none;
  background:var(--input-bg); border-radius:20px; transition:background .2s;
}
.switch::after {
  content:''; position:absolute; top:3px; left:3px; width:16px; height:16px;
  border-radius:50%; background:#fff; transition:transform .2s;
}
.switch.on { background:var(--accent); }
.switch.on::after { transform:translateX(18px); }

/* 手机底部导航 */
.mobile-tabbar {
  display:none; position:fixed; bottom:0; left:0; right:0; z-index:300;
  background:var(--bg-card); border-top:1px solid var(--border-light);
  padding:6px 0 max(6px, env(safe-area-inset-bottom));
}
.mobile-tabbar-inner { display:flex; }
.tabbar-item {
  flex:1; display:flex; flex-direction:column; align-items:center; gap:2px;
  font-size:11px; color:var(--text-secondary); padding:4px 0;
}
.tabbar-item .t-icon { font-size:20px; }
.tabbar-item.active { color:var(--accent); }

/* 全局侧边栏（PC） */
.global-sidebar {
  position:fixed; left:0; top:0; bottom:0; width:64px; z-index:90;
  background:var(--bg-card); border-right:1px solid var(--border-light);
  display:flex; flex-direction:column; align-items:center; padding:14px 0; gap:8px;
}
.sidebar-btn {
  width:42px; height:42px; border-radius:12px; font-size:18px;
  display:flex; align-items:center; justify-content:center;
  color:var(--text-secondary); transition:all .2s; position:relative;
}
.sidebar-btn:hover, .sidebar-btn.active { background:rgba(var(--accent-rgb),.14); color:var(--accent); }
.sidebar-spacer { flex:1; }

/* Toast */
.toast-wrap { position:fixed; top:70px; left:50%; transform:translateX(-50%); z-index:999; display:flex; flex-direction:column; gap:8px; align-items:center; }
.toast {
  padding:9px 20px; border-radius:24px; font-size:13px;
  background:var(--bg-card); border:1px solid var(--border-light);
  box-shadow:var(--shadow); animation:toast-in .25s ease;
}
.toast.error { border-color:#F87171; color:#F87171; }
.toast.ok { border-color:var(--accent); }
@keyframes toast-in { from { opacity:0; transform:translateY(-8px); } }

/* 页脚 */
.site-footer {
  text-align:center; padding:24px; color:var(--text-secondary); font-size:12px;
}

/* ---------- 响应式：手机端 ---------- */
@media (max-width: 1100px) {
  .room-layout { grid-template-columns:minmax(0, 1fr) 330px; }
}
@media (max-width: 900px) {
  .room-layout { grid-template-columns:1fr; }
  .chat-panel { height:440px; min-height:0; position:static; }
  .global-sidebar { display:none; }
  .site-header { padding-left:16px; }
  .main-interface { padding-left:14px; }
}
@media (max-width: 640px) {
  body { padding-bottom:64px; }
  .main-interface { padding:12px 12px 16px; }
  .site-header { padding:0 12px; height:54px; }
  .site-logo .logo-text { display:none; }
  .header-btn .btn-text { display:none; }
  .header-btn { padding:7px 10px; }
  .mobile-tabbar { display:block; }
  .lobby-forms { grid-template-columns:1fr; }
  .room-grid { grid-template-columns:1fr 1fr; gap:10px; }
  .mic-stage { padding:14px; }
  .mic-seats { grid-template-columns:repeat(4, minmax(0,1fr)); gap:8px; }
  .mic-seat { padding:12px 4px; border-radius:12px; }
  .mic-seat .seat-avatar { width:42px; height:42px; font-size:18px; }
  .mic-seat .seat-name { font-size:11px; }
  .mic-seat .seat-label { font-size:10px; }
  .lobby-hero h1 { font-size:17px; }
  .search-input { width:100%; }
  .theme-grid { grid-template-columns:1fr 1fr; }
  .emoji-picker { right:0; left:0; width:auto; }
  .room-meta-actions { width:100%; margin-left:0; }
  .room-meta-bar { padding:12px 14px; }
  .chat-panel { height:calc(100vh - 330px); min-height:320px; }
  /* 防止 iOS 聚焦输入框时自动放大 */
  input, textarea, select { font-size:16px !important; }
  .chat-input { font-size:16px !important; }
}
@media (max-width: 400px) {
  .room-grid { grid-template-columns:1fr; }
  .mic-seat .seat-avatar { width:36px; height:36px; font-size:16px; }
}