/* 思语 IM 网页版 · 深色主题（参考 HuLa 的配色与布局） */
:root{
  --nav:#2b3a35;--nav-active:#3a5a50;--list:#222325;--card:#2a2b2e;--card-hover:#303134;--card-active:#2f4d43;
  --chat:#1d1e21;--head:#242528;--line:#33353a;--text:#e8e9ec;--muted:#8f959e;--dim:#6b7078;
  --accent:#13987f;--accent-2:#0f8a72;--mine:#2b7d69;--theirs:#3a3b3f;--danger:#e5484d;--warn:#e5a53f;--sys:#2c2d31;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{min-width:960px;font:14px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--chat)}
[v-cloak]{display:none}
button{font:inherit;cursor:pointer;color:inherit}
input,textarea{font:inherit;color:inherit}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:#45474d;border-radius:3px}
::-webkit-scrollbar-track{background:transparent}
.ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;display:block}

.btn{border:1px solid var(--line);background:var(--card);border-radius:8px;padding:7px 14px;color:var(--text);transition:.15s}
.btn:hover{background:var(--card-hover)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-2)}
.btn.ghost{background:transparent}
.btn.small{padding:3px 10px;font-size:12px;border-radius:6px}
.btn.block{width:100%;margin-top:10px}
.btn.send{background:var(--accent);border-color:var(--accent);color:#fff;padding:7px 22px;font-weight:500;letter-spacing:2px}
.btn.send:hover{background:var(--accent-2)}
.badge{display:inline-block;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--danger);color:#fff;font-size:11px;line-height:18px;text-align:center;font-weight:500}
.icon-btn{width:34px;height:34px;border:0;background:transparent;border-radius:8px;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;transition:.15s}
.icon-btn:hover:not(:disabled),.icon-btn.on{background:var(--card-hover);color:var(--text)}
.icon-btn:disabled{opacity:.35;cursor:not-allowed}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:middle}
.dot.on{background:#3fcf6b}.dot.off{background:var(--warn)}

/* 登录 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 20% 0%,#2b4a42 0%,var(--chat) 55%),var(--chat)}
.login-card{width:380px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.45);padding:34px 34px 26px;text-align:center}
.login-logo{width:68px;height:68px;border-radius:16px}
.login-card h1{font-size:22px;margin:14px 0 4px;letter-spacing:2px}
.login-card .sub{color:var(--muted);margin:0 0 22px}
.login-card .field{display:block;margin-bottom:12px}
.login-card input{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px;background:#1f2023;outline:none}
.login-card input:focus{border-color:var(--accent)}
.login-card .hint{color:var(--dim);font-size:12px;margin:16px 0 0}
.login-card .err{color:var(--danger);margin:10px 0 0}

/* 主布局 */
.main{height:100vh;display:grid;grid-template-columns:72px 360px 1fr;background:var(--chat);position:relative;overflow:hidden}
.main.has-panel{grid-template-columns:72px 360px 1fr 240px}
.side{background:var(--nav);display:flex;flex-direction:column;align-items:center;padding:16px 0 14px;gap:6px;position:relative}
.side .brand{font-weight:700;font-size:15px;letter-spacing:1px;color:#d8e6e1;margin-bottom:10px}
.side .me{position:relative;border:0;background:transparent;padding:0;margin-bottom:10px}
.side .me img{width:40px;height:40px;border-radius:50%;object-fit:cover;display:block;border:2px solid rgba(255,255,255,.15)}
.side .me .status{position:absolute;right:-1px;bottom:-1px;width:11px;height:11px;border-radius:50%;border:2px solid var(--nav)}
.side .me .status.on{background:#3fcf6b}.side .me .status.off{background:var(--warn)}
.nav-btn{position:relative;width:44px;height:44px;border:0;background:transparent;border-radius:12px;color:#a9b8b2;display:flex;align-items:center;justify-content:center;transition:.15s}
.nav-btn .ic{width:22px;height:22px}
.nav-btn:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-btn.active{background:var(--nav-active);color:#7fe3c4}
.nav-btn .badge{position:absolute;top:2px;right:0}
.side .spacer,.tools .spacer{flex:1}
.profile-pop{position:absolute;left:78px;top:60px;width:240px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:0 16px 40px rgba(0,0,0,.5);z-index:20;text-align:center}
.profile-pop img{width:64px;height:64px;border-radius:50%;object-fit:cover}
.profile-pop .p-name{font-weight:600;margin-top:8px}
.profile-pop .p-sub,.profile-pop .p-sign{color:var(--muted);font-size:12px;margin-top:4px;word-break:break-all}
.profile-pop .p-row{margin:10px 0;font-size:12px;color:var(--muted)}

.list{background:var(--list);display:flex;flex-direction:column;min-width:0;border-right:1px solid #1a1b1e}
.list-head{display:flex;gap:8px;padding:14px 12px 10px}
.search{flex:1;display:flex;align-items:center;gap:6px;background:var(--card);border-radius:8px;padding:0 10px;color:var(--muted);min-width:0}
.search .ic{width:16px;height:16px;flex:none}
.search input{flex:1;border:0;background:transparent;padding:8px 0;outline:none;min-width:0;color:var(--text)}
.list .icon-btn{background:var(--card);color:var(--text)}
.items{flex:1;overflow:auto;padding:0 10px 10px}
.item{display:flex;gap:12px;padding:12px;cursor:pointer;align-items:center;border-radius:12px;margin-bottom:6px;background:var(--card);transition:.15s}
.item:hover{background:var(--card-hover)}
.item.active{background:var(--card-active)}
.item.static{cursor:default}
.item img{width:44px;height:44px;border-radius:50%;object-fit:cover;flex:none}
.item .meta{flex:1;min-width:0}
.item .row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.item .name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .pin{font-style:normal;font-size:10px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:0 4px;margin-left:6px;font-weight:400;vertical-align:1px}
.item .time{color:var(--dim);font-size:12px;flex:none}
.item .last{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.group-title{padding:8px 6px 4px;font-size:12px;color:var(--dim)}
.empty{color:var(--dim);text-align:center;padding:50px 12px;line-height:1.8}

.chat{display:flex;flex-direction:column;min-width:0;background:var(--chat)}
.chat-head{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--head)}
.head-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover}
.head-text{flex:1;min-width:0}
.head-text .title{font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.head-text .sub{color:var(--muted);font-size:12px}
.head-actions{display:flex;gap:4px}
.msgs{flex:1;overflow:auto;padding:18px 22px}
.more-wrap{text-align:center;margin-bottom:14px}
.time-sep{text-align:center;color:var(--dim);font-size:12px;margin:12px 0}
.sys{text-align:center;margin:10px 0}
.sys,.sys span{display:inline-block}
.sys{width:100%}
.sys::before{content:"";display:none}
.msgs .sys{background:transparent}
.msgs .sys{color:var(--muted);font-size:12px}
.msg{display:flex;gap:10px;margin-bottom:16px;align-items:flex-start}
.msg .avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;flex:none;margin-top:2px}
.msg .bubble-wrap{max-width:62%;display:flex;flex-direction:column}
.msg .sender{font-size:12px;color:var(--muted);margin:0 0 4px 2px}
.bubble{background:var(--theirs);border-radius:12px;padding:9px 13px;white-space:pre-wrap;word-break:break-word;line-height:1.55;color:#f1f2f4}
.msg.theirs .bubble{border-top-left-radius:4px}
.msg.mine{flex-direction:row-reverse}
.msg.mine .bubble-wrap{align-items:flex-end}
.msg.mine .bubble{background:var(--mine);border-top-right-radius:4px}
.bubble.placeholder{color:#c4c7cc;font-style:italic}
.pic-bubble{padding:4px;display:block;background:var(--card)}
.pic{max-width:320px;max-height:320px;border-radius:9px;display:block}
.composer{border-top:1px solid var(--line);background:var(--head);padding:8px 14px 12px;position:relative}
.tools{display:flex;align-items:center;gap:2px;position:relative}
.tool-hint{font-size:12px;color:var(--muted)}.tool-hint.warn{color:var(--warn)}
.composer textarea{width:100%;height:92px;border:0;resize:none;outline:none;padding:8px 6px;background:transparent;color:var(--text)}
.composer textarea::placeholder{color:var(--dim)}
.composer-bar{display:flex;align-items:center;justify-content:space-between;gap:10px}
.key-hint{font-size:12px;color:var(--dim)}
.emoji-pop{position:absolute;left:0;bottom:44px;width:392px;max-height:230px;overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:0 16px 40px rgba(0,0,0,.5);display:grid;grid-template-columns:repeat(10,1fr);gap:2px;z-index:10}
.emoji{border:0;background:transparent;font-size:22px;line-height:1;padding:5px 0;border-radius:6px}
.emoji:hover{background:var(--card-hover)}
.placeholder-pane{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--dim)}
.placeholder-pane img{width:72px;height:72px;border-radius:16px;opacity:.5;margin-bottom:12px}

.panel{background:var(--head);border-left:1px solid var(--line);padding:14px 12px;overflow:auto}
.panel-title{font-size:13px;color:var(--muted);margin:2px 4px 10px}
.member{display:flex;align-items:center;gap:10px;padding:7px 6px;border-radius:8px}
.member:hover{background:var(--card-hover)}
.member img{width:32px;height:32px;border-radius:50%;object-fit:cover}
.member .m-name{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}
.member .m-tag{font-size:10px;color:var(--accent);border:1px solid var(--accent);border-radius:4px;padding:0 4px}

.toast{position:absolute;left:50%;top:24px;transform:translateX(-50%);background:rgba(0,0,0,.85);color:#fff;padding:8px 16px;border-radius:8px;font-size:13px;z-index:30;border:1px solid var(--line)}

@media (max-width:1000px){.main{grid-template-columns:64px 260px 1fr}.main.has-panel{grid-template-columns:64px 260px 1fr 200px}.msg .bubble-wrap{max-width:80%}}

/* 红包卡片 */
.bubble.red-packet{display:flex;align-items:center;gap:12px;min-width:220px;background:linear-gradient(135deg,#f0653f,#d63a2a);color:#fff;cursor:pointer;padding:12px 14px;border-radius:12px}
.bubble.red-packet.opened{background:linear-gradient(135deg,#c98b6f,#b06b55);opacity:.85}
.rp-icon{font-size:30px;line-height:1}
.rp-bless{font-weight:600}
.rp-sub{font-size:12px;opacity:.85;margin-top:2px}