:root{
  color-scheme:dark;
  --bg:#090b12;
  --panel:#121622;
  --panel2:#191f2d;
  --line:#252c3c;
  --text:#f3f4fa;
  --muted:#8992a7;
  --purple:#9278ff;
  --blue:#638cff;
}
*{box-sizing:border-box}
html{background:var(--bg);min-height:100%;-webkit-tap-highlight-color:transparent}
body{
  margin:0;background:
  radial-gradient(ellipse at 10% 0%,#29204a55,transparent 38%),
  radial-gradient(ellipse at 100% 35%,#14294a33,transparent 35%),
  var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif;
  font-size:14px;
}
button,input,textarea{font:inherit}
button{cursor:pointer}
.hidden{display:none!important}
h1,h2,h3,p{margin-top:0}
h2{font-size:21px;letter-spacing:-.5px}
h3{font-size:15px;margin-bottom:5px}
.muted{color:var(--muted);font-size:12px}
.error{color:#ff7785}
.app{width:100%;max-width:760px;margin:auto;min-height:100dvh;padding-bottom:88px}
.app>header{
  position:sticky;top:0;z-index:5;
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;padding:15px 20px;
  background:#0c0f19eF;backdrop-filter:blur(20px);
  border-bottom:1px solid #ffffff0c;
}
.app>header small{font-size:9px;letter-spacing:2.5px;color:#a895ff;font-weight:800}
.app>header h2{font-size:22px;margin:5px 0 0;font-weight:750}
main#content{padding:17px 16px 24px}
button.primary{
  border:0;border-radius:12px;padding:11px 16px;
  background:linear-gradient(120deg,var(--purple),var(--blue));
  color:white;font-weight:650;box-shadow:0 5px 18px #7965ed30;
}
button.small{font-size:12px;padding:9px 13px}
button.ghost,.link{
  color:#b4bdd0;background:#171c29;border:1px solid var(--line);
  border-radius:11px;padding:9px 13px;
}
button:active{transform:scale(.97)}
input,.field,textarea{
  width:100%;min-width:0;padding:13px 14px;
  color:var(--text);background:#0e121d;
  border:1px solid #2a3142;border-radius:13px;outline:none;
}
input:focus,.field:focus,textarea:focus{
  border-color:#8876ef;box-shadow:0 0 0 3px #8876ef20;
}
.auth{
  width:calc(100% - 36px);max-width:420px;
  margin:9vh auto 30px;padding:32px 24px;
  background:linear-gradient(145deg,#191d2b,#111521);
  border:1px solid #ffffff13;border-radius:25px;
  text-align:center;box-shadow:0 25px 70px #0008;
}
.auth .logo{
  width:60px;height:60px;margin:0 auto 20px;
  display:grid;place-items:center;border-radius:20px;
  background:linear-gradient(135deg,var(--purple),var(--blue));
  box-shadow:0 8px 28px #7965ed55;
  font-size:30px;font-weight:850;color:white;
}
.auth h1{font-size:25px;margin-bottom:8px}
.auth>p{color:var(--muted)}
#authForm{display:grid;gap:13px;margin-top:25px}
#authForm button{padding:13px}
.auth .link{margin-top:15px;border:0;background:transparent}
.card{
  padding:17px;margin-bottom:13px;
  background:linear-gradient(145deg,#171c29,#121622);
  border:1px solid #ffffff0e;border-radius:18px;
  box-shadow:0 7px 22px #0002;
}
.stack{display:flex;flex-direction:column;gap:12px}
.row{
  display:flex;align-items:center;gap:12px;
  padding:13px;margin:0 0 9px;
  background:linear-gradient(110deg,#171c29,#131824);
  border:1px solid #ffffff0c;border-radius:16px;
  transition:background .2s;
}
.row:active{background:#242b3d}
.row h3{font-size:14px;font-weight:650;margin:0 0 5px}
.row .muted{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.avatar{
  width:46px;height:46px;flex:0 0 46px;
  display:grid;place-items:center;border-radius:15px;
  background:linear-gradient(145deg,#34305a,#202d49);
  border:1px solid #ffffff13;font-size:20px;
}
.grow{flex:1;min-width:0}
#content>button{margin:0 7px 13px 0}
#content>section{margin-top:5px}
.messages{
  min-height:38vh;max-height:54vh;overflow:auto;
  display:flex;flex-direction:column;gap:10px;
  padding:14px 2px;scroll-behavior:smooth;
}
.bubble{
  max-width:84%;align-self:flex-start;
  padding:11px 14px;border-radius:5px 17px 17px 17px;
  background:#202637;border:1px solid #ffffff0c;
  overflow-wrap:anywhere;line-height:1.55;
}
.bubble.mine{
  align-self:flex-end;
  background:linear-gradient(135deg,#6956c9,#4c65bb);
  border-color:#ffffff17;border-radius:17px 5px 17px 17px;
}
.bubble small{display:block;margin-bottom:5px;color:#c1c5d6}
.chatbar{display:flex;align-items:center;gap:8px;margin-top:12px}
.chatbar .field{flex:1}
.chatbar button{flex-shrink:0}
.profile-avatar-wrap{position:relative;width:104px;height:104px;margin:5px auto 15px}
.profile-avatar,.profile-avatar-fallback{width:104px;height:104px;border-radius:50%;object-fit:cover}
.profile-avatar{border:3px solid #8876ef;box-shadow:0 0 25px #8876ef44}
.profile-avatar-fallback{display:grid;place-items:center;background:#252b3d;font-size:38px}
.avatar-upload-label{display:inline-block;text-align:center;cursor:pointer}
nav{
  position:fixed;z-index:10;left:50%;bottom:10px;
  transform:translateX(-50%);
  width:calc(100% - 22px);max-width:738px;
  height:67px;padding:6px 7px;
  display:flex;align-items:center;justify-content:space-around;gap:2px;
  background:#171b28ed;backdrop-filter:blur(22px);
  border:1px solid #ffffff17;border-radius:21px;
  box-shadow:0 9px 35px #0009;
}
nav button{
  flex:1;min-width:0;height:54px;padding:5px 2px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  border:0;border-radius:14px;background:transparent;
  color:#818ba2;font-size:10px;font-weight:550;
}
nav button.selected{color:#c1b5ff;background:#8975ff20}
.nav-icon{width:22px;height:22px;display:grid;place-items:center}
.nav-icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.toast{
  position:fixed;z-index:30;left:50%;bottom:94px;
  transform:translate(-50%,15px);opacity:0;pointer-events:none;
  max-width:calc(100% - 30px);padding:12px 18px;
  background:#252b3b;border:1px solid #ffffff20;
  border-radius:12px;color:white;box-shadow:0 8px 28px #0008;
  transition:.2s;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:761px){
  .app{max-width:760px}
  nav{bottom:18px}
}
@media(max-width:380px){
  main#content{padding:13px 11px}
  .app>header{padding:13px 15px}
  .row{padding:11px;gap:10px}
  .avatar{width:42px;height:42px;flex-basis:42px}
  .auth{padding:27px 19px}
}

/* 信息列表手机布局修复 */
#content .row[data-chat] {
  display: flex;
  align-items: center;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  gap: 12px;
  padding: 13px 12px;
}

#content .row[data-chat] .avatar {
  flex: 0 0 46px;
}

#content .row[data-chat] .grow {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
}

#content .row[data-chat] .grow h3,
#content .row[data-chat] .grow .muted {
  display: block;
  max-width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

#content .row[data-chat] > span {
  flex: 0 0 12px;
  text-align: center;
}

@media (max-width: 600px) {
  #content .row[data-chat] {
    margin-bottom: 8px;
    border-radius: 14px;
  }
}