/* SweetCinema UI v2 — YouTube-style dark system (2026-11-04 redesign)
   Single accent: cinema red. Layout: YT home grid + YT watch page + danmaku layer. */
:root{
  --bg:#0f0f0f; --bg-soft:#161616; --panel:#1c1c1c; --panel-2:#232323;
  --line:#2c2c2c; --text:#f1f1f1; --muted:#a8a8a8; --muted-2:#717171;
  --accent:#ff3b30; --accent-2:#ff6259; --radius:12px;
  --header-h:56px;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden}
.hidden{display:none!important}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#3a3a3a;border-radius:6px;border:2px solid var(--bg)}
::-webkit-scrollbar-track{background:transparent}
button{font-family:inherit}
input,select,textarea{font-family:inherit;color:var(--text)}
a{color:var(--accent-2)}

/* ---------- buttons ---------- */
.btn{padding:9px 16px;border:none;border-radius:999px;cursor:pointer;font-size:14px;font-weight:500;transition:background .15s,transform .1s;display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--panel-2);color:var(--text);white-space:nowrap}
.btn:hover{background:#303030}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2)}
.btn-secondary{background:var(--panel-2);color:var(--text)}
.btn-danger{background:#3d0a0a;color:#ff7b72}
.btn-danger:hover{background:#571111}
.btn-block{width:100%}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-text{background:none;color:var(--muted);padding:6px 8px}
.btn-text:hover{background:none;color:var(--text)}
.btn-text-sm{background:none;color:var(--muted);font-size:12px;padding:4px 6px;cursor:pointer;border:none}
.btn-text-sm:hover{color:var(--text)}
.btn-icon{background:transparent;border:none;color:var(--text);width:40px;height:40px;border-radius:50%;font-size:18px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .15s;flex:none}
.btn-icon:hover{background:var(--panel-2)}
.btn-icon.active{background:rgba(255,59,48,.18);color:var(--accent-2)}
.badge{background:var(--accent);color:#fff;font-size:11px;padding:2px 8px;border-radius:6px;font-weight:600}

/* ---------- forms ---------- */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.form-group input[type=text],.form-group input[type=password],.form-group input[type=url],.form-group input[type=number],.form-group textarea,.guest-box input{
  width:100%;background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14px;outline:none;transition:border-color .15s}
.form-group input:focus,.guest-box input:focus,.form-group textarea:focus{border-color:var(--accent)}
.form-hint,.hint{font-size:12px;color:var(--muted-2);margin-top:6px}
.checkbox-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px;color:var(--text)}
.checkbox-label input{accent-color:var(--accent);width:16px;height:16px}
.error-message{color:#ff7b72;font-size:13px;margin-top:10px;min-height:18px}
.input-group{display:flex;gap:10px}
.input-group input{flex:1;background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:14px;outline:none;min-width:0}
.input-group input:focus{border-color:var(--accent)}

/* ---------- header (YouTube top bar) ---------- */
.header,.yt-header{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 16px;background:var(--bg);position:sticky;top:0;z-index:60;border-bottom:1px solid transparent}
.header-left{display:flex;align-items:center;gap:10px;min-width:0}
.header-center{flex:1;display:flex;justify-content:center;max-width:640px;margin:0 auto}
.header-right{display:flex;align-items:center;gap:8px;flex:none}
.brand{display:flex;align-items:center;gap:8px}
.brand-mark{background:var(--accent);color:#fff;width:30px;height:22px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.brand h1{font-size:18px;font-weight:700;letter-spacing:-.3px}
.brand-sub{color:var(--muted);font-size:13px}
.user-info{display:flex;align-items:center;gap:8px;font-size:14px}
.user-avatar-sm{width:32px;height:32px;border-radius:50%;object-fit:cover}
.current-user{background:var(--panel-2);border-radius:999px;min-height:32px;display:inline-flex;align-items:center;padding:5px 12px;font-size:13px;max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.room-info{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;margin-right:4px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,59,48,.5)}70%{box-shadow:0 0 0 7px rgba(255,59,48,0)}100%{box-shadow:0 0 0 0 rgba(255,59,48,0)}}
.yt-search{display:flex;align-items:center;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:0 16px;width:100%;height:40px}
.yt-search:focus-within{border-color:#3d5a80}
.yt-search input{flex:1;background:none;border:none;outline:none;font-size:15px;min-width:0}
.search-icon{color:var(--muted);font-size:14px}

/* ---------- auth ---------- */
#auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1000px 500px at 20% -10%,rgba(255,59,48,.14),transparent 60%),radial-gradient(800px 400px at 90% 110%,rgba(255,59,48,.08),transparent 60%),var(--bg);padding:24px}
.auth-container{width:100%;max-width:400px;background:rgba(24,24,24,.92);border:1px solid var(--line);border-radius:16px;padding:32px 28px;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.auth-container .logo{text-align:center;margin-bottom:22px}
.auth-container .logo h1{font-size:24px;font-weight:800;letter-spacing:-.4px}
.auth-container .logo p{color:var(--muted);font-size:13px;margin-top:6px}
.guest-box{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.auth-tabs{display:flex;gap:6px;background:var(--bg-soft);border-radius:999px;padding:4px;margin-bottom:18px}
.auth-tab{flex:1;border:none;background:none;color:var(--muted);padding:8px;border-radius:999px;cursor:pointer;font-size:14px}
.auth-tab.active{background:var(--panel-2);color:var(--text)}
.auth-form .btn{margin-top:4px}

/* ---------- lobby (YouTube home) ---------- */
.lobby-main{max-width:1600px;margin:0 auto;padding:8px 24px 48px}
.hero{padding:22px 4px 6px}
.hero h2{font-size:22px;font-weight:700;letter-spacing:-.3px}
.hero p{color:var(--muted);font-size:14px;margin-top:6px;max-width:760px}
.filter-chips{display:flex;gap:10px;padding:14px 4px 18px;flex-wrap:wrap;position:sticky;top:var(--header-h);background:var(--bg);z-index:40}
.chip{border:none;background:var(--panel-2);color:var(--text);padding:7px 14px;border-radius:9px;font-size:13.5px;cursor:pointer;transition:background .15s}
.chip:hover{background:#303030}
.chip.active{background:var(--text);color:#0f0f0f;font-weight:600}
.rooms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:22px 16px}
.room-card{cursor:pointer;border-radius:var(--radius);transition:transform .12s}
.room-card:hover{transform:translateY(-2px)}
.room-thumb{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:#1f1f1f}
.room-thumb img.thumb-img{width:100%;height:100%;object-fit:cover;display:block}
.room-thumb .thumb-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:52px;font-weight:800;color:rgba(255,255,255,.85);letter-spacing:1px}
.thumb-live{position:absolute;top:8px;left:8px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:2.5px 7px;border-radius:6px;letter-spacing:.4px}
.thumb-lock{position:absolute;top:8px;right:8px;background:rgba(0,0,0,.65);color:#fff;font-size:12px;padding:3px 7px;border-radius:6px}
.thumb-viewers{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.72);color:#fff;font-size:12px;padding:2.5px 7px;border-radius:6px}
.room-card-body{display:flex;gap:12px;padding-top:12px}
.room-host-avatar{width:36px;height:36px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:#fff}
.room-card-text{min-width:0}
.room-card-title{font-size:15.5px;font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.room-card-meta{color:var(--muted);font-size:13px;margin-top:3px;display:flex;gap:6px;flex-wrap:wrap}
.room-card-meta .dot::before{content:"·";margin-right:6px}
.empty-state{text-align:center;padding:64px 20px;background:var(--bg-soft);border:1px dashed var(--line);border-radius:16px}
.empty-icon{font-size:44px;margin-bottom:12px}
.empty-title{font-size:17px;font-weight:600}
.empty-state .sub{color:var(--muted);font-size:13.5px;margin:8px auto 18px;max-width:420px}
.favorites-section,.history-section{margin-top:36px}
.favorites-section h3,.history-section h3{font-size:16px;margin-bottom:12px}
.section-header{display:flex;align-items:center;justify-content:space-between}
.favorites-list{display:flex;gap:10px;flex-wrap:wrap}
.favorite-item{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:9px 12px;cursor:pointer}
.favorite-item:hover{background:var(--panel-2)}
.favorite-item-name{font-weight:600;font-size:14px}
.favorite-item-host{color:var(--muted);font-size:12px}
.favorite-remove{background:none;border:none;color:var(--muted);cursor:pointer;font-size:14px}
.favorite-remove:hover{color:#ff7b72}
.history-list{display:flex;gap:10px;flex-wrap:wrap}
.history-item{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:9px 12px;cursor:pointer}
.history-item:hover{background:var(--panel-2)}
.history-item-title{font-size:14px;font-weight:500}
.history-item-time{color:var(--muted-2);font-size:12px}

/* ---------- modals ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.68);display:flex;align-items:center;justify-content:center;z-index:200;padding:16px;backdrop-filter:blur(2px)}
.modal{background:#202020;border:1px solid #333;border-radius:16px;padding:26px;width:100%;max-width:440px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 70px rgba(0,0,0,.6)}
.modal h3{font-size:18px;margin-bottom:18px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.modal-header h3{margin:0}
.playlist-modal{max-width:560px}
#join-room-name{color:var(--muted);margin-bottom:14px;font-size:15px}
.timer-presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.timer-preset{background:var(--panel-2);border:none;color:var(--text);padding:8px 13px;border-radius:999px;cursor:pointer;font-size:13px}
.timer-preset:hover,.timer-preset.active{background:var(--accent);color:#fff}
.timer-custom{display:flex;align-items:center;gap:8px}
.timer-custom input{width:130px;background:var(--bg-soft);border:1px solid var(--line);border-radius:9px;padding:9px 12px;outline:none}
.timer-status{margin-top:12px;display:flex;align-items:center;justify-content:space-between;background:var(--bg-soft);border-radius:10px;padding:10px 12px;font-size:13.5px}
.avatar-preview-wrapper{display:flex;align-items:center;gap:14px}
.avatar-preview{width:64px;height:64px;border-radius:50%;object-fit:cover;background:var(--panel-2)}
.playlist-add .input-group{flex-wrap:wrap}
.playlist-items{display:flex;flex-direction:column;gap:6px;margin-top:14px;max-height:300px;overflow-y:auto}
.playlist-item{display:flex;align-items:center;gap:10px;background:var(--bg-soft);border-radius:10px;padding:9px 12px;cursor:pointer}
.playlist-item:hover{background:#262626}
.playlist-item.active{outline:1px solid var(--accent)}
.playlist-item-index{color:var(--muted-2);font-size:12px;width:20px;text-align:center}
.playlist-item-info{flex:1;min-width:0}
.playlist-item-title{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.playlist-item-url{font-size:12px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.playlist-item-remove{background:none;border:none;color:var(--muted);cursor:pointer;font-size:15px}
.playlist-item-remove:hover{color:#ff7b72}

/* ---------- room / watch page (YouTube watch layout) ---------- */
.room-main{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:22px;max-width:1720px;margin:0 auto;padding:6px 24px 40px;align-items:start}
.video-section{display:flex;flex-direction:column;min-width:0}
.video-wrapper{order:1;position:relative;background:#000;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;max-height:calc(100vh - 220px);width:100%}
.video-wrapper video{width:100%;height:100%;display:block;background:#000;object-fit:contain}
.external-player{position:absolute;inset:0}
.external-player iframe{width:100%;height:100%;border:0}
.screen-relay-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000}
.danmaku-layer{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:5}
.danmaku-item{position:absolute;white-space:nowrap;font-size:19px;font-weight:600;text-shadow:0 1px 3px rgba(0,0,0,.85),0 0 8px rgba(0,0,0,.4);animation:danmaku-scroll 9s linear forwards;left:100%}
.danmaku-item.top{left:50%;transform:translateX(-50%);animation:danmaku-static 4.5s linear forwards}
.danmaku-item.bottom{left:50%;transform:translateX(-50%);bottom:8%;top:auto!important;animation:danmaku-static 4.5s linear forwards}
@keyframes danmaku-scroll{from{transform:translateX(0)}to{transform:translateX(calc(-100vw - 100%))}}
@keyframes danmaku-static{0%{opacity:0}8%{opacity:1}85%{opacity:1}100%{opacity:0}}
.sync-status{position:absolute;top:10px;right:10px;background:rgba(0,0,0,.62);color:#9fe8a9;font-size:12px;padding:4px 10px;border-radius:999px;z-index:6;pointer-events:none}
.sync-status.syncing{color:#ffd479}
.float-layer{position:absolute;right:14px;bottom:8px;width:60px;height:70%;pointer-events:none;z-index:7;overflow:visible}
.float-heart{position:absolute;bottom:0;font-size:21px;animation:floatUp 2.6s ease-out forwards;opacity:0}
@keyframes floatUp{0%{opacity:0;transform:translateY(0) scale(.6)}12%{opacity:1}100%{opacity:0;transform:translateY(-46vh) translateX(-14px) scale(1.15)}}
.custom-controls{order:2;display:flex;align-items:center;gap:10px;background:#141414;border:1px solid var(--line);border-top:none;border-radius:0 0 var(--radius) var(--radius);padding:8px 12px;margin-top:calc(var(--radius) * -1 + 2px)}
.cc-btn{background:none;border:none;color:var(--text);font-size:17px;cursor:pointer;width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex:none}
.cc-btn:hover{background:var(--panel-2)}
.cc-time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
#cc-progress{flex:1;-webkit-appearance:none;appearance:none;height:4px;border-radius:3px;background:#3a3a3a;outline:none;cursor:pointer;min-width:60px}
#cc-progress::-webkit-slider-thumb{-webkit-appearance:none;width:13px;height:13px;border-radius:50%;background:var(--accent);cursor:pointer}
#cc-progress::-moz-range-thumb{width:13px;height:13px;border:none;border-radius:50%;background:var(--accent);cursor:pointer}
.watch-meta{order:3;padding-top:14px}
.watch-title{font-size:19px;font-weight:700;line-height:1.35}
.watch-subrow{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;flex-wrap:wrap}
.host-info{display:flex;align-items:center;gap:10px}
.host-avatar{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:16px}
.host-name{font-weight:600;font-size:15px}
.watch-actions{display:flex;gap:6px;background:transparent}
.action-btn{background:var(--panel-2);border-radius:999px;width:40px;height:40px}
.action-btn:hover{background:#303030}
.room-announcement{order:4;display:flex;align-items:center;gap:9px;background:var(--bg-soft);border-radius:10px;padding:10px 14px;font-size:13.5px;color:var(--muted);margin-top:14px}
.room-announcement .announcement-icon{flex:none}
.room-announcement span:nth-child(2){flex:1}
#room-page .room-main{padding-bottom:24px}
/* 弹幕输入区（右栏弹幕标签页底部，与聊天输入行同款式） */
#pane-danmaku .pane-danmaku-box{flex:1;min-height:0}
.danmaku-composer{flex:none;border-top:1px solid var(--line);padding:11px;display:flex;flex-direction:column;gap:9px}
.danmaku-composer-main{display:flex;gap:9px;align-items:center}
.danmaku-composer-main input[type=text]{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:10px 15px;font-size:14px;outline:none;min-width:0}
.danmaku-composer-main input[type=text]:focus{border-color:#3d5a80}
.danmaku-composer-main .btn-primary{border-radius:999px;padding:9px 18px;flex:none}
.danmaku-composer-main .btn-icon{flex:none;width:36px;height:36px;font-size:15px}
.danmaku-composer-opts{display:flex;gap:16px;align-items:center;padding:0 4px}
.danmaku-composer-opts .dm-opt{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--muted)}
.danmaku-composer-opts input[type=color]{width:28px;height:28px;border:none;background:none;cursor:pointer;padding:0}
.danmaku-composer-opts select{background:var(--panel-2);border:none;border-radius:8px;padding:6px;font-size:13px;outline:none;color:inherit}
.video-controls{order:6;display:flex;align-items:center;gap:9px;margin-top:12px;flex-wrap:wrap}
.playback-rate{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:13.5px;margin-left:auto}
.playback-rate select{background:var(--panel-2);border:none;border-radius:8px;padding:8px;font-size:13px;outline:none}
.video-input-area{order:7;margin-top:18px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.source-tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.source-tab{background:var(--panel-2);border:none;color:var(--muted);padding:8px 15px;border-radius:999px;cursor:pointer;font-size:13.5px}
.source-tab.active{background:var(--text);color:#0f0f0f;font-weight:600}
.video-sources{display:flex;gap:7px;margin-top:12px;flex-wrap:wrap}
.source-tag{background:var(--panel-2);color:var(--muted);font-size:11.5px;padding:3px 9px;border-radius:6px}
.bilibili-login-hint{margin-top:12px;font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center}
progress{accent-color:var(--accent);height:8px}

/* ---------- sidebar tabs ---------- */
.sidebar{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;height:calc(100vh - 120px);min-height:420px;position:sticky;top:72px;overflow:hidden}
.side-tabs{display:flex;border-bottom:1px solid var(--line);flex:none}
.side-tab{flex:1;background:none;border:none;color:var(--muted);padding:12px 4px;font-size:14px;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.side-tab:hover{color:var(--text)}
.side-tab.active{color:var(--text);border-bottom-color:var(--accent);font-weight:600}
.side-pane{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}
.members-panel{overflow-y:auto;padding:10px}
.member-item{list-style:none;padding:9px 10px;border-radius:9px;font-size:14px;display:flex;align-items:center;gap:8px}
.member-item:hover{background:var(--panel)}
.member-item.host{color:var(--accent-2);font-weight:600}
.member-item::before{content:"";width:8px;height:8px;border-radius:50%;background:#3ea34d;flex:none}
.pane-playlist-box,.pane-danmaku-box{padding:14px;overflow-y:auto}
.pane-empty{color:var(--muted-2);font-size:13px;text-align:center;padding:18px 0}
.pane-hint{font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:12px}
.danmaku-feed{display:flex;flex-direction:column;gap:8px}
.danmaku-feed-item{font-size:13.5px;background:var(--panel);border-radius:9px;padding:8px 11px;word-break:break-all}
.danmaku-feed-item b{color:var(--accent-2);font-weight:600;margin-right:6px}
.playlist-items.mirror{max-height:none;overflow:visible}
.chat-panel{display:flex;flex-direction:column;flex:1;min-height:0}
.chat-messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px}
.chat-message{font-size:13.5px;line-height:1.45}
.chat-message .msg-user{font-weight:600;color:#ddd;font-size:13px;display:inline;margin-right:7px}
.chat-message .msg-text{display:inline;word-break:break-word}
.chat-message .msg-time{display:block;color:var(--muted-2);font-size:11px;margin-top:2px}
.system-message{text-align:center;color:var(--muted-2);font-size:12px;padding:2px 0}
.msg-file{display:flex;gap:10px;background:var(--panel);border-radius:10px;padding:9px}
.msg-file-image{max-width:180px;border-radius:8px}
.msg-file-icon{font-size:22px}
.msg-file-name{font-size:13px;word-break:break-all}
.msg-file-size{font-size:11.5px;color:var(--muted-2)}
.private-notification{position:fixed;bottom:22px;right:22px;background:#262626;border:1px solid #3a3a3a;border-radius:12px;padding:13px 16px;cursor:pointer;z-index:300;box-shadow:0 12px 34px rgba(0,0,0,.5);font-size:14px}
.chat-toolbar{position:relative;padding:4px 10px 0;display:flex;gap:2px}
.emoji-picker{position:absolute;bottom:46px;left:10px;background:#262626;border:1px solid #3a3a3a;border-radius:12px;padding:10px;z-index:50;box-shadow:0 14px 40px rgba(0,0,0,.55)}
.emoji-grid{display:grid;grid-template-columns:repeat(6,34px);gap:2px}
.emoji-item{font-size:19px;text-align:center;padding:4px;border-radius:8px;cursor:pointer}
.emoji-item:hover{background:#383838}
.chat-input{display:flex;gap:9px;padding:11px;border-top:1px solid var(--line)}
.chat-input input{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:10px 15px;font-size:14px;outline:none;min-width:0}
.chat-input input:focus{border-color:#3d5a80}
.voice-panel{border-top:1px solid var(--line);padding:14px;flex:none}
.voice-panel h3{font-size:14.5px;margin-bottom:10px}
.voice-members{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.voice-member{background:var(--panel);border-radius:8px;padding:7px 11px;font-size:13.5px}
.voice-controls{display:flex;gap:9px}
.file-preview-modal{max-width:520px}
.file-preview-modal img,.file-preview-modal video{max-width:100%;border-radius:10px}
.file-preview-info{color:var(--muted);font-size:13px;margin-top:9px}
.private-chat-modal{display:flex;flex-direction:column;max-height:86vh}
.private-chat-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:9px;padding:6px 0;min-height:200px}
.private-msg{display:flex;flex-direction:column}
.private-msg-content{background:var(--panel-2);border-radius:10px;padding:8px 12px;font-size:14px;max-width:85%}
.private-msg-sender{font-size:12px;color:var(--muted);margin-bottom:3px}
.private-msg-time{font-size:11px;color:var(--muted-2);margin-top:3px}
.private-chat-input-area{display:flex;gap:9px;margin-top:12px}
.private-chat-input-area input{flex:1;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:10px 15px;outline:none;min-width:0}
.rest-modal{text-align:center}
.rest-icon{font-size:46px;margin-bottom:8px}
.screen-share-overlay{position:fixed;top:70px;left:50%;transform:translateX(-50%);z-index:250}
.screen-share-info{background:rgba(20,20,20,.92);border:1px solid #3a3a3a;border-radius:999px;padding:8px 10px 8px 18px;display:flex;gap:12px;align-items:center;font-size:14px;box-shadow:0 12px 34px rgba(0,0,0,.5)}

/* ---------- skeleton ---------- */
.skeleton-card{pointer-events:none}
.skeleton-thumb{aspect-ratio:16/9;border-radius:var(--radius);background:linear-gradient(100deg,#1b1b1b 40%,#242424 50%,#1b1b1b 60%);background-size:200% 100%;animation:shimmer 1.3s infinite}
.skeleton-line{height:13px;border-radius:6px;margin-top:11px;background:linear-gradient(100deg,#1b1b1b 40%,#242424 50%,#1b1b1b 60%);background-size:200% 100%;animation:shimmer 1.3s infinite}
@keyframes shimmer{to{background-position:-200% 0}}

/* ---------- desktop app layout: room page never scrolls as a whole;
   left column scrolls on its own, sidebar is pinned (2026-11-04) ---------- */
@media (min-width:861px){
  #room-page{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}
  #room-page .header{flex:none}
  #room-page .room-main{flex:1;min-height:0;align-items:stretch;overflow:hidden;width:100%}
  #room-page .video-section{overflow-y:auto;min-height:0}
  #room-page .video-section>*{flex-shrink:0}
  #room-page .sidebar{position:static;height:auto;min-height:0}
  #room-page .members-panel,#room-page .pane-playlist-box,#room-page .pane-danmaku-box{flex:1;min-height:0}
}

/* ---------- responsive (mobile: Douyin-like single column) ---------- */
@media (max-width:1080px){
  .room-main{grid-template-columns:minmax(0,1fr) 330px;padding:6px 14px 32px}
}
@media (max-width:860px){
  .header-center{display:none}
  .brand-sub{display:none}
  .brand h1{display:none}
  #create-room-btn{padding:8px 12px;font-size:13px}
  .user-info #user-name{max-width:74px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .account-chip #user-name,.account-chip #current-user{display:none}
  .account-chip{padding:3px}
  .account-caret{display:none}
  .account-dropdown{width:224px}
  .header{padding:0 10px;gap:8px}
  .header-right .room-info{display:none}
  .room-main{grid-template-columns:1fr;padding:0 0 28px;gap:0}
  .video-section{padding:0}
  .video-wrapper{border-radius:0;max-height:none}
  .custom-controls{border-radius:0;border-left:none;border-right:none}
  .watch-meta,.room-announcement,.video-controls,.video-input-area{margin-left:12px;margin-right:12px}
  .sidebar{position:static;height:70vh;min-height:380px;border-radius:0;border-left:none;border-right:none;border-bottom:none;margin-top:16px}
  .lobby-main{padding:4px 14px 40px}
  .rooms-grid{grid-template-columns:1fr;gap:18px}
  .watch-title{font-size:17px}
  .danmaku-item{font-size:16px}
  .modal{padding:20px}
}

/* ===== Google 登录按钮（官方 G 标 + 白底，学 Google/YouTube 登录钮） ===== */
.btn-google{background:#fff;color:#3c4043;border:1px solid #dadce0;font-weight:600;display:flex;align-items:center;justify-content:center;gap:10px;min-height:44px;border-radius:8px;cursor:pointer;margin:12px 0 4px;font-size:15px}
.btn-google:hover{background:#f8f9fa;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.g-logo{width:20px;height:20px;flex:none}
.google-note{color:#f5b041;font-size:12px;text-align:center;margin:6px 0 2px}
.auth-divider{display:flex;align-items:center;gap:10px;color:#888;font-size:12px;margin:12px 0 4px}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:rgba(255,255,255,.14)}

/* ===== 统一账户件（顶栏右上角：头像+昵称，下拉含账号/我的房间/收藏/资料/退出） ===== */
.account-menu{position:relative;flex:none}
.account-chip{display:flex;align-items:center;gap:8px;background:var(--panel-2);border:1px solid rgba(255,255,255,.1);color:#fff;border-radius:999px;padding:3px 12px 3px 3px;cursor:pointer;font-size:14px;min-height:38px}
.account-chip:hover{background:rgba(255,255,255,.12)}
.account-chip .user-avatar-sm{width:30px;height:30px}
.account-chip #user-name,.account-chip #current-user{max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:none;min-height:0;padding:0}
.account-caret{color:#aaa;font-size:11px}
.account-dropdown{position:absolute;right:0;top:calc(100% + 8px);width:248px;background:#202020;border:1px solid rgba(255,255,255,.13);border-radius:12px;padding:8px;z-index:300;box-shadow:0 14px 36px rgba(0,0,0,.55);text-align:left}
.ad-head{padding:8px 10px 10px;border-bottom:1px solid rgba(255,255,255,.09);margin-bottom:6px}
.ad-name{font-weight:600;font-size:15px;color:#fff}
.ad-email{color:#9a9a9a;font-size:12px;word-break:break-all;margin-top:2px}
.ad-item{display:block;width:100%;text-align:left;background:none;border:none;color:#eee;padding:9px 10px;border-radius:8px;cursor:pointer;font-size:14px}
.ad-item:hover{background:rgba(255,255,255,.09)}

/* ===== 登录弹窗间距重排 v2.1（20261104b）：三段独立成组、段距 24px、表单呼吸感 ===== */
.auth-container{padding:32px 30px;max-height:90vh;overflow-y:auto}
.auth-container .logo{margin-bottom:26px}
.guest-box{gap:12px;margin-bottom:0}
.guest-box input{height:46px}
.guest-box .btn{height:46px}
.auth-sep{margin:24px 0}
.btn-google{margin:0;height:46px;min-height:46px;border-radius:999px;gap:10px;text-decoration:none}
.g-logo{width:20px;height:20px}
.google-note{margin:10px 0 0}
.auth-divider{margin:24px 0 16px;color:var(--muted-2)}
.auth-tabs{margin-bottom:16px}
.auth-tab{padding:9px 0;font-weight:500}
.auth-tab.active{font-weight:600;box-shadow:inset 0 0 0 1px rgba(255,255,255,.07)}
#auth-page .form-group{margin-bottom:14px}
#auth-page .form-group label{margin-bottom:6px}
#auth-page .form-group input,#auth-page .guest-box input{height:46px}
.auth-form button[type=submit]{margin-top:20px;height:46px}
#auth-page .error-message{margin-top:12px}
@media (max-width:520px){
  .auth-container{padding:26px 22px}
}