:root{
  --pri:#7c5cff; --pri-2:#6a4bf0; --pri-soft:#f0ecff; --pri-line:#ded4ff;
  --bg:#f2f2f5; --card:#ffffff; --text:#141419; --sub:#9a9aa6; --line:#ececf1;
  --green:#25c26e; --red:#ff5b5b; --bubble:#f2f2f5;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
  color:var(--text);background:#e9e9ef;
  display:flex;justify-content:center;align-items:stretch;
  overflow:hidden;
}
.app{
  width:100%;max-width:460px;height:100dvh;background:var(--bg);
  display:flex;flex-direction:column;position:relative;
  box-shadow:0 0 40px rgba(20,20,40,.10);
}

/* ---------- 顶栏 ---------- */
.topbar{
  display:flex;align-items:center;gap:9px;padding:10px 12px 9px;
  background:#fff;border-bottom:1px solid var(--line);z-index:5;
  padding-top:calc(10px + env(safe-area-inset-top,0px));
}
.back{
  border:0;background:transparent;color:#8b8b97;padding:2px;display:flex;
  align-items:center;justify-content:center;cursor:pointer;
}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 38px;
  background:linear-gradient(135deg,#efeaff,#e2dbff);
  color:#6a4bf0;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.head-main{flex:1;min-width:0}
.head-title{
  font-size:15.5px;font-weight:600;letter-spacing:.2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  display:flex;align-items:center;gap:6px;
}
.badge-site{
  font-size:10px;font-weight:500;color:#8b8b97;background:#f1f1f5;
  border-radius:4px;padding:1px 4px;line-height:15px;
}
.head-sub{
  font-size:11px;color:var(--sub);margin-top:2px;
  display:flex;align-items:center;gap:4px;
}
.state-dot{width:6px;height:6px;border-radius:50%;background:#c9c9d2;display:inline-block}
.state-dot.on{background:var(--green);box-shadow:0 0 0 3px rgba(37,194,110,.13)}
.head-actions{display:flex;align-items:center;gap:2px}
.icon-btn{
  border:0;background:transparent;color:#5c5c6a;width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.15s;
}
.icon-btn:active{background:#f2f2f6}

/* ---------- 消息区 ---------- */
.msgs{
  flex:1;overflow-y:auto;padding:14px 12px 18px;scroll-behavior:smooth;
  background:#f2f2f5;
  -webkit-overflow-scrolling:touch;
}
.day-sep{display:flex;justify-content:center;margin:2px 0 14px}
.day-sep span{font-size:11px;color:#6b6b78;background:#e4e4ea;border-radius:10px;padding:3px 10px}

.welcome{text-align:center;padding:8px 20px 20px;color:#8b8b97}
.welcome.hide{display:none}
.welcome-avatar{
  width:54px;height:54px;border-radius:16px;margin:0 auto 10px;
  background:linear-gradient(135deg,#7c5cff,#a48bff);color:#fff;
  font-size:22px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(124,92,255,.28);
}
.welcome-title{font-size:14px;color:#3b3b48;font-weight:600}
.welcome-sub{font-size:12px;margin-top:5px;line-height:1.55;color:#9a9aa6;padding:0 10px}

.row{display:flex;margin-bottom:14px;align-items:flex-start;gap:7px}
.row.me{justify-content:flex-end}
.row .m-avatar{
  width:30px;height:30px;border-radius:50%;flex:0 0 30px;
  background:#fff6ec;color:#d98b3f;font-size:12px;font-weight:600;
  display:flex;align-items:center;justify-content:center;border:1px solid #f6e6d5;
}
.row .m-avatar.agent{background:#efeaff;color:#6a4bf0;border-color:#e0d7ff}
.bubble{
  max-width:76%;padding:9px 12px;border-radius:13px;font-size:14.5px;line-height:1.5;
  background:#fff;color:#141419;word-break:break-word;white-space:pre-wrap;
  box-shadow:0 1px 2px rgba(20,20,40,.04);
}
.row.me .bubble{
  background:linear-gradient(135deg,#8a6bff,#6a4bf0);color:#fff;
  border-bottom-right-radius:5px;
}
.row.them .bubble{border-bottom-left-radius:5px}
.bubble img{max-width:100%;border-radius:9px;display:block}
.bubble .voice{display:flex;align-items:center;gap:8px;min-width:90px}
.bubble .voice .wave{display:flex;align-items:flex-end;gap:2px;height:16px}
.bubble .voice .wave i{width:2.5px;background:currentColor;opacity:.55;border-radius:2px;display:block}
.msg-time{font-size:10.5px;color:#aeaeB8;margin-top:5px;text-align:right}
.row.me .msg-time{color:rgba(255,255,255,.72)}

/* 资料卡片 */
.card-msg{
  max-width:80%;background:#fff;border-radius:14px;padding:13px 13px 11px;
  border:1px solid #ece7ff;box-shadow:0 3px 14px rgba(124,92,255,.09);
  position:relative;
}
.card-msg .c-head{display:flex;gap:9px;align-items:flex-start}
.card-msg .c-ico{
  width:30px;height:30px;border-radius:9px;flex:0 0 30px;
  background:var(--pri-soft);color:var(--pri);
  display:flex;align-items:center;justify-content:center;
}
.card-msg .c-title{font-size:14.5px;font-weight:600}
.card-msg .c-sub{font-size:11.5px;color:#9a9aa6;margin-top:2px}
.card-msg .c-body{margin-top:9px;border-top:1px solid #f3f1fa;padding-top:3px}
.card-msg .c-line{
  display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:5.5px 0;
}
.card-msg .c-line span:first-child{color:#8b8b97;flex:0 0 auto}
.card-msg .c-line span:last-child{color:#2b2b36;text-align:right;word-break:break-all}
.card-msg .c-btn{
  margin-top:8px;width:100%;border:0;border-radius:9px;padding:9px 0;
  background:var(--pri-soft);color:var(--pri);font-size:13.5px;font-weight:600;
  cursor:pointer;border:1px solid #e2d9ff;
}
.card-msg .c-btn:active{background:#e6ddff}
.card-time{font-size:10.5px;color:#b6b6c0;text-align:right;margin-top:6px}

/* 通话记录条 */
.call-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#6b6b78;
  background:#ececf2;border-radius:20px;padding:5px 12px;
}
.call-chip.missed{color:#d4544f;background:#fdeceb}

/* ---------- 输入区 ---------- */
.composer{
  background:#fff;border-top:1px solid var(--line);
  padding:0 0 calc(8px + var(--safe-b));
  position:relative;
}
.tools{
  display:flex;justify-content:space-between;align-items:center;
  padding:9px 10px 6px;border-bottom:1px solid #f4f4f8;
}
.tool{
  flex:1;border:0;background:transparent;color:#6d6d7a;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:4px 0;cursor:pointer;border-radius:9px;transition:.15s;
}
.tool span{font-size:10.5px;color:#8b8b97}
.tool:active{background:#f5f4fb}
.tool.active{color:var(--pri)}
.tool.active span{color:var(--pri)}

.panel{display:none;padding:10px 12px;border-bottom:1px solid #f4f4f8;background:#fbfaff;max-height:270px;overflow:auto}
.panel.show{display:block}
.emoji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:4px}
.emoji-grid button{
  border:0;background:transparent;font-size:21px;padding:4px 0;border-radius:7px;cursor:pointer;
}
.emoji-grid button:active{background:#efeBff}
.quick-list{display:flex;flex-wrap:wrap;gap:7px}
.quick-list button{
  border:1px solid #e6e2f5;background:#fff;color:#4b4b58;font-size:12.5px;
  padding:7px 11px;border-radius:16px;cursor:pointer;
}

.rec-wrap{display:flex;flex-direction:column;align-items:center;gap:9px;padding:6px 0 2px}
.rec-btn{
  border:1px solid #e4dfff;background:#fff;color:#6a4bf0;border-radius:24px;
  padding:10px 20px;font-size:13.5px;display:flex;align-items:center;gap:8px;cursor:pointer;
}
.rec-btn.recording{background:#fff0f0;border-color:#ffd0d0;color:#e04747}
.rec-dot{width:9px;height:9px;border-radius:50%;background:#c9c9d2}
.rec-btn.recording .rec-dot{background:#ff4d4d;animation:blink 1s infinite}
@keyframes blink{50%{opacity:.25}}
.rec-tip{font-size:11.5px;color:#9a9aa6}
.rec-actions,.form-actions{display:flex;gap:9px;width:100%;justify-content:flex-end;margin-top:2px}
.btn-ghost{border:1px solid #e5e5ec;background:#fff;color:#6b6b78;border-radius:9px;padding:8px 16px;font-size:13px;cursor:pointer}
.btn-solid{border:0;background:linear-gradient(135deg,#8a6bff,#6a4bf0);color:#fff;border-radius:9px;padding:8px 18px;font-size:13px;cursor:pointer}
.btn-solid:disabled{opacity:.45}

.form-title{font-size:13.5px;font-weight:600;margin-bottom:8px}
.panel label{display:block;font-size:12px;color:#8b8b97;margin-bottom:8px}
.panel label input,.panel label textarea{
  width:100%;margin-top:4px;border:1px solid #e8e6f2;border-radius:9px;
  padding:9px 10px;font-size:14px;font-family:inherit;color:#1a1a22;background:#fff;outline:none;
}
.panel label input:focus,.panel label textarea:focus{border-color:#b9a6ff;box-shadow:0 0 0 3px rgba(124,92,255,.10)}

.input-row{display:flex;align-items:flex-end;gap:8px;padding:8px 12px 0}
#input{
  flex:1;border:0;outline:none;resize:none;font-family:inherit;font-size:15px;line-height:1.45;
  padding:8px 2px;max-height:110px;color:#141419;background:transparent;
}
#input::placeholder{color:#b3b3bd}
.send-btn{
  border:0;border-radius:9px;padding:9px 14px;color:#fff;font-size:13.5px;font-weight:600;
  background:linear-gradient(135deg,#8a6bff,#6a4bf0);display:flex;align-items:center;gap:5px;
  cursor:pointer;box-shadow:0 4px 12px rgba(124,92,255,.28);flex:0 0 auto;
}
.send-btn:active{transform:translateY(1px)}
.send-btn:disabled{opacity:.45;box-shadow:none}

/* ---------- 通话层 ---------- */
.call-layer{
  position:fixed;inset:0;z-index:99;display:none;
  background:linear-gradient(165deg,#2a2340,#171226 60%,#0f0b1a);
  color:#fff;flex-direction:column;align-items:center;
  padding:calc(38px + env(safe-area-inset-top,0px)) 20px calc(28px + var(--safe-b));
}
.call-layer.show{display:flex}
.call-layer.incoming-mode .call-bg,.call-layer.incoming-mode .call-top{display:flex}
.call-bg{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;
  justify-content:center;pointer-events:none;
  background:radial-gradient(60% 45% at 50% 28%,rgba(124,92,255,.34),transparent 70%);
}
.remote-video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none;background:#000;
}
.remote-video.show{display:block}
.call-layer.video-mode .call-bg{background:linear-gradient(180deg,rgba(0,0,0,.42),transparent 32%,rgba(0,0,0,.5))}
.call-top{
  position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;gap:5px;
  text-align:center;margin-top:6px;
}
.call-layer.video-mode .call-top{margin-top:0}
.call-avatar{
  width:88px;height:88px;border-radius:50%;font-size:32px;font-weight:600;
  background:linear-gradient(135deg,#8a6bff,#5d3fd8);display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 34px rgba(124,92,255,.45);margin-bottom:10px;
}
.call-layer.video-mode .call-avatar{display:none}
.call-peer{font-size:20px;font-weight:600;letter-spacing:.4px}
.call-kind{font-size:13px;color:rgba(255,255,255,.62)}
.call-state{font-size:13px;color:rgba(255,255,255,.82);margin-top:6px}
.call-timer{font-size:15px;font-variant-numeric:tabular-nums;color:rgba(255,255,255,.9);letter-spacing:1px}
.local-video{
  position:absolute;right:14px;bottom:132px;width:104px;height:150px;border-radius:14px;
  background:#221c33;object-fit:cover;display:none;z-index:4;border:1px solid rgba(255,255,255,.18);
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.local-video.show{display:block}
.local-video.cam-off{opacity:.25}
.call-actions{
  position:relative;z-index:5;margin-top:auto;display:flex;gap:14px;align-items:center;
  justify-content:center;width:100%;padding-bottom:8px;
}
.cbtn{
  border:0;background:rgba(255,255,255,.13);color:#fff;width:62px;height:62px;border-radius:50%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  cursor:pointer;backdrop-filter:blur(8px);transition:.18s;
}
.cbtn span{font-size:9.5px;color:rgba(255,255,255,.72)}
.cbtn.off{background:rgba(255,255,255,.9);color:#3b3b48}
.cbtn.off span{color:#3b3b48}
.cbtn .slash{display:none}
.cbtn.off .slash{display:block}
.cbtn.hangup{background:#ff4b4b;box-shadow:0 8px 22px rgba(255,75,75,.42);width:66px;height:66px}
.cbtn.accept{background:#22c55e;box-shadow:0 8px 22px rgba(34,197,94,.4);width:66px;height:66px}
.cbtn.reject{background:#ff4b4b;width:66px;height:66px}
.call-layer:not(.incoming-mode) [data-act="accept"],
.call-layer:not(.incoming-mode) [data-act="reject"]{display:none}
.call-layer.incoming-mode [data-act="mute"],
.call-layer.incoming-mode [data-act="cam"],
.call-layer.incoming-mode [data-act="flip"],
.call-layer.incoming-mode [data-act="hangup"]{display:none}

/* ---------- 提示 ---------- */
.toast{
  position:fixed;left:50%;bottom:96px;transform:translate(-50%,16px);
  background:rgba(28,26,40,.9);color:#fff;font-size:12.5px;padding:8px 15px;border-radius:20px;
  opacity:0;pointer-events:none;transition:.25s;z-index:120;max-width:80%;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (min-width:520px){
  body{background:#e6e6ee;padding:0}
  .app{border-radius:0}
}