/* ===== 微信聊天室皮肤 ===== */
:root{
  --wx-bg:#ededed; --wx-bar:#ededed; --wx-line:#d9d9d9;
  --green:#95ec69; --ink:#191919; --gray:#9e9e9e; --link:#576b95;
  --bubble:#ffffff;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{
  background:#dfe1e5;font:16px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);display:flex;justify-content:center;
}
.phone{
  width:100%;max-width:520px;height:100%;background:var(--wx-bg);
  display:flex;flex-direction:column;position:relative;overflow:hidden;
  box-shadow:0 0 40px rgba(0,0,0,.18);
}
@media(min-width:560px){body{padding:0}.phone{height:100vh}}

/* ---- 头部 ---- */
.bar{
  flex:0 0 auto;display:flex;align-items:center;gap:4px;height:52px;padding:0 6px;
  background:var(--wx-bar);border-bottom:1px solid #d6d6d6;position:relative;z-index:5;
}
.icon-btn{
  border:0;background:none;color:#191919;width:36px;height:36px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;
}
.icon-btn:active{background:rgba(0,0,0,.06)}
.icon-btn.gray{color:#5a5a5a}
.title{flex:1;text-align:center;overflow:hidden}
.title h1{margin:0;font-size:16.5px;font-weight:600;letter-spacing:.2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.title h1 .cnt{font-weight:400;color:#7a7a7a;font-size:14px;margin-left:3px}
.title .sub{margin:1px 0 0;font-size:11px;color:#8c8c8c;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---- 聊天区 ---- */
.scroller{flex:1 1 auto;overflow-y:auto;overflow-x:hidden;padding:10px 12px 16px;
  -webkit-overflow-scrolling:touch}
.chat{display:flex;flex-direction:column;gap:14px}

.time-div{align-self:center;font-size:11.5px;color:#fff;background:#c8c8c8;
  padding:2px 7px;border-radius:3px;margin:2px 0}
.sys-line{align-self:center;max-width:82%;text-align:center;font-size:12px;
  color:#8a8a8a;line-height:1.5;padding:1px 10px}

.row-msg{display:flex;gap:9px;align-items:flex-start}
.row-msg.me{flex-direction:row-reverse}
.avatar{
  flex:0 0 40px;width:40px;height:40px;border-radius:5px;color:#fff;font-size:15px;
  display:flex;align-items:center;justify-content:center;font-weight:600;
  background:#8a8a8a;user-select:none;
}
.me .avatar{background:#4a4a4a}
.body{max-width:calc(100% - 58px);min-width:0}
.nick{font-size:11.5px;color:var(--gray);margin:0 0 4px 2px;display:flex;gap:6px;align-items:center}
.me .nick{display:none}
.nick .tag{color:#a0a0a0}
.bubble{
  position:relative;display:inline-block;padding:9px 12px;border-radius:5px;
  background:var(--bubble);font-size:15.5px;line-height:1.48;word-break:break-word;
  white-space:pre-wrap;box-shadow:0 1px 1px rgba(0,0,0,.04);
}
.bubble::before{
  content:"";position:absolute;top:12px;left:-5px;width:0;height:0;
  border:5px solid transparent;border-right-color:var(--bubble);border-left:0;
}
.me .bubble{background:var(--green)}
.me .bubble::before{left:auto;right:-5px;border:5px solid transparent;
  border-left-color:var(--green);border-right:0}
.row-msg.me{align-items:flex-start}
.me .body{display:flex;flex-direction:column;align-items:flex-end}
.bubble.pick{background:#fff8e1;box-shadow:0 1px 1px rgba(0,0,0,.05)}
.bubble.pick::before{border-right-color:#fff8e1}
.model-tag{font-size:10.5px;color:#b0b0b0;margin:5px 0 0 2px}

/* 输入中 */
.typing-row{display:flex;gap:9px;align-items:flex-start;margin-top:14px}
.typing-bubble{display:flex;gap:4px;align-items:center;padding:12px 14px}
.typing-bubble i{width:6px;height:6px;border-radius:50%;background:#b8b8b8;
  animation:bl 1.2s infinite ease-in-out}
.typing-bubble i:nth-child(2){animation-delay:.18s}
.typing-bubble i:nth-child(3){animation-delay:.36s}
@keyframes bl{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.hidden{display:none !important}

/* ---- 拍板卡片 ---- */
.verdict{
  align-self:stretch;background:#fff;border-radius:10px;padding:14px 15px;
  box-shadow:0 2px 10px rgba(0,0,0,.08);border-top:3px solid #f0b429;
}
.verdict h3{margin:0 0 8px;font-size:14px;color:#c8901a;letter-spacing:.5px;
  display:flex;align-items:center;gap:6px}
.verdict .proj{font-size:20px;font-weight:700;line-height:1.35;margin:0 0 10px}
.kv{display:flex;gap:8px;margin:7px 0;font-size:14px;line-height:1.5}
.kv b{flex:0 0 62px;color:#7a7a7a;font-weight:500;font-size:13px}
.kv span{flex:1;color:#333}
.verdict .foot{margin-top:10px;padding-top:9px;border-top:1px dashed #e5e5e5;
  font-size:11px;color:#adadad;line-height:1.6}

/* ---- 开场面板 ---- */
.start-panel{
  flex:0 0 auto;background:#f7f7f7;border-top:1px solid var(--wx-line);
  padding:14px 14px 16px;max-height:62%;overflow-y:auto;
}
.sp-head{text-align:center;margin-bottom:12px}
.sp-avatars{display:flex;justify-content:center;gap:8px;margin-bottom:9px}
.av{width:38px;height:38px;border-radius:5px;display:flex;align-items:center;
  justify-content:center;color:#fff;font-weight:600;font-size:15px}
.av.a{background:#5b8ff9}.av.b{background:#61ddaa}.av.me{background:#4a4a4a}
.sp-head h2{margin:0 0 5px;font-size:16px}
.sp-head p{margin:0;font-size:12.5px;color:#8a8a8a;line-height:1.55}
#topic{
  width:100%;border:1px solid #dcdcdc;border-radius:8px;padding:10px 11px;font-size:14.5px;
  resize:none;font-family:inherit;line-height:1.5;background:#fff;color:var(--ink);
}
#topic:focus{outline:none;border-color:#07c160}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 12px}
.chip{border:1px solid #dcdcdc;background:#fff;border-radius:14px;padding:5px 11px;
  font-size:12.5px;color:#555;cursor:pointer;font-family:inherit}
.chip:active{background:#ececec}
.row{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.lbl{font-size:13px;color:#777;flex:0 0 auto}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{border:1px solid #dcdcdc;background:#fff;border-radius:6px;padding:4px 10px;
  font-size:12.5px;color:#666;cursor:pointer;font-family:inherit}
.seg button.on{background:#07c160;border-color:#07c160;color:#fff}
.primary{
  width:100%;border:0;border-radius:8px;background:#07c160;color:#fff;font-size:16px;
  padding:11px 0;font-family:inherit;cursor:pointer;font-weight:600;
}
.primary:active{background:#06ad56}
.primary:disabled{background:#a8dcbb;cursor:default}
.tip{margin:8px 0 0;font-size:11.5px;color:#aaa;text-align:center}

/* ---- 输入栏 ---- */
.composer{
  flex:0 0 auto;display:flex;align-items:center;gap:6px;padding:7px 8px;
  background:#f7f7f7;border-top:1px solid var(--wx-line);
}
#input{
  flex:1;border:0;background:#fff;border-radius:5px;padding:8px 10px;font-size:15px;
  font-family:inherit;color:var(--ink);min-width:0;
}
#input:focus{outline:none}
.send{
  border:0;border-radius:5px;background:#07c160;color:#fff;font-size:14px;
  padding:8px 14px;font-family:inherit;cursor:pointer;flex:0 0 auto;
}
.send:disabled{background:#c8c8c8;cursor:default}

/* ---- 菜单 / toast ---- */
.sheet{position:absolute;inset:0;z-index:20}
.sheet-mask{position:absolute;inset:0;background:rgba(0,0,0,.35)}
.sheet-body{position:absolute;left:0;right:0;bottom:0;background:#fff;
  padding:8px 0 max(8px,env(safe-area-inset-bottom));border-radius:12px 12px 0 0}
.sbtn{display:block;width:100%;border:0;background:none;padding:14px 0;font-size:16px;
  font-family:inherit;color:var(--ink);cursor:pointer}
.sbtn:active{background:#f2f2f2}
.sbtn.danger{color:#e64340}
.sbtn+.sbtn{border-top:1px solid #f0f0f0}
.toast{position:absolute;left:50%;bottom:88px;transform:translateX(-50%);
  background:rgba(0,0,0,.78);color:#fff;font-size:13px;padding:8px 14px;border-radius:6px;
  z-index:30;max-width:80%;text-align:center}