:root{
  --ink:#1c1a17; --ink2:#4a453d; --ink3:#8a8177;
  --paper:#f7f4ee; --card:#fffdf9; --line:#e8e1d5;
  --brand:#b8452f; --brand-d:#8f3524; --gold:#c9922e;
  --ok:#3f7d4e; --warn:#c0651f;
  --sh:0 1px 3px rgba(28,26,23,.06),0 8px 24px rgba(28,26,23,.05);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--paper); color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
.view{min-height:100%}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink)}

/* ---------- 登录 ---------- */
#loginView{display:flex;align-items:center;justify-content:center;padding:24px;min-height:100vh;
  background:linear-gradient(170deg,#faf7f1 0%,#f2ece1 100%)}
.login-card{width:100%;max-width:360px;background:var(--card);border-radius:20px;padding:32px 26px;
  box-shadow:var(--sh);text-align:center;border:1px solid var(--line)}
.login-avatar{width:88px;height:88px;border-radius:50%;object-fit:cover;
  box-shadow:0 4px 20px rgba(184,69,47,.22);border:3px solid #fff}
.login-card h1{margin:16px 0 6px;font-size:23px;letter-spacing:.5px}
.login-sub{margin:0 0 24px;color:var(--ink3);font-size:14px}
.field{position:relative;margin-bottom:12px}
.field input{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:11px;
  background:#fff;outline:none;transition:.2s}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(184,69,47,.09)}
.btn-code{flex:0 0 108px;height:45px;border:1px solid var(--brand);color:var(--brand);
  background:#fff;border-radius:11px;font-size:14px;transition:.2s}
.btn-code:disabled{opacity:.5;border-color:var(--line);color:var(--ink3)}
.err{color:var(--brand);font-size:12.5px;min-height:16px;margin-top:5px;text-align:left}
.err.center{text-align:center}
.btn-primary{width:100%;padding:14px;border:none;border-radius:11px;background:var(--brand);
  color:#fff;font-size:16px;font-weight:600;margin-top:6px;transition:.2s;
  box-shadow:0 4px 14px rgba(184,69,47,.26)}
.btn-primary:active{background:var(--brand-d);transform:scale(.99)}
.btn-primary:disabled{opacity:.55;box-shadow:none}
.login-foot{margin:18px 0 0;font-size:12px;color:var(--ink3);line-height:1.6}

/* ---------- 顶栏 ---------- */
#appView{display:flex;flex-direction:column;height:100vh;height:100dvh}
.topbar{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;
  padding:11px 15px;background:rgba(255,253,249,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);z-index:10}
.topbar-l{display:flex;align-items:center;gap:10px}
.topbar-avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;border:2px solid #fff;
  box-shadow:0 2px 8px rgba(184,69,47,.2)}
.topbar-name{font-size:15.5px;font-weight:600;letter-spacing:.3px;display:flex;align-items:center;gap:6px}
.ai-tag{font-size:10px;font-weight:500;color:var(--brand);border:1px solid var(--brand);
  border-radius:4px;padding:1px 4px;line-height:1.2}
.topbar-status{font-size:11.5px;color:var(--ink3);margin-top:1px}
.topbar-status.ready{color:var(--ok)}
.ai-disclaimer{font-size:10.5px;color:var(--ink3);text-align:center;padding:6px 16px 4px;
  line-height:1.5;background:var(--bg);border-top:1px solid var(--line)}
.icon-btn{padding:6px 12px;border:1px solid var(--line);background:#fff;border-radius:8px;
  font-size:13px;color:var(--ink2)}

/* ---------- 对话 ---------- */
.chat{flex:1 1 auto;overflow-y:auto;padding:18px 15px 8px;-webkit-overflow-scrolling:touch}
.msg{margin-bottom:18px;display:flex;gap:9px;align-items:flex-start;animation:fade .28s ease}
@keyframes fade{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
.msg.user{flex-direction:row-reverse}
.bubble{max-width:79%;padding:12px 15px;border-radius:15px;font-size:15.5px;line-height:1.72;
  white-space:pre-wrap;word-break:break-word}
.msg.ai .bubble{background:var(--card);border:1px solid var(--line);border-top-left-radius:4px;
  box-shadow:0 1px 2px rgba(28,26,23,.03)}
.msg.user .bubble{background:var(--brand);color:#fff;border-top-right-radius:4px}
.msg-avatar{width:31px;height:31px;border-radius:50%;flex:0 0 31px;object-fit:cover;margin-top:2px}
.msg.user .msg-avatar{display:none}

.thinking{display:flex;gap:5px;padding:15px}
.thinking span{width:6.5px;height:6.5px;border-radius:50%;background:var(--brand);opacity:.4;
  animation:blink 1.3s infinite}
.thinking span:nth-child(2){animation-delay:.18s}
.thinking span:nth-child(3){animation-delay:.36s}
@keyframes blink{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}

/* ---------- 推荐问题 ---------- */
.chips{flex:0 0 auto;display:flex;gap:7px;padding:9px 15px 4px;overflow-x:auto;
  scrollbar-width:none;-webkit-overflow-scrolling:touch}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:7px 13px;border:1px solid var(--line);background:var(--card);
  border-radius:20px;font-size:13px;color:var(--ink2);white-space:nowrap;transition:.15s}
.chip:active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- 输入 ---------- */
.composer{flex:0 0 auto;display:flex;gap:9px;align-items:flex-end;padding:10px 15px;
  padding-bottom:calc(10px + env(safe-area-inset-bottom));background:rgba(255,253,249,.94);
  backdrop-filter:blur(12px);border-top:1px solid var(--line)}
.composer textarea{flex:1;padding:11px 14px;border:1px solid var(--line);border-radius:19px;
  background:#fff;resize:none;outline:none;max-height:110px;line-height:1.5;font-size:15.5px}
.composer textarea:focus{border-color:var(--brand)}
.send{width:42px;height:42px;flex:0 0 42px;border:none;border-radius:50%;background:var(--brand);
  color:#fff;display:flex;align-items:center;justify-content:center;transition:.18s}
.send:disabled{background:#d8d1c6;cursor:default}
.send:not(:disabled):active{background:var(--brand-d);transform:scale(.94)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:50;pointer-events:none}
.drawer.open{pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(28,26,23,.42);opacity:0;transition:.28s}
.drawer.open .drawer-mask{opacity:1}
.drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(400px,88vw);background:var(--card);
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:20px;overflow-y:auto;box-shadow:-4px 0 24px rgba(0,0,0,.1)}
.drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.drawer-head h2{margin:0;font-size:17px}
.drawer-tip{margin:0 0 18px;font-size:12.5px;color:var(--ink3)}
.child-slot{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:10px;background:#fbf8f3}
.child-slot .slot-tag{font-size:12px;color:var(--brand);font-weight:600;margin-bottom:2px}
.child-slot .slot-row{display:flex;gap:8px}
.child-slot .slot-row .dl{flex:1;margin-bottom:4px}
.dl{display:block;margin-bottom:15px;font-size:13px;color:var(--ink2)}
.dl input,.dl select{width:100%;margin-top:6px;padding:11px 13px;border:1px solid var(--line);
  border-radius:10px;background:#fff;outline:none}
.dl input:focus,.dl select:focus{border-color:var(--brand)}
.save-msg{font-size:13px;color:var(--ok);margin-top:8px;min-height:18px}
.drawer-h3{margin:20px 0 10px;font-size:14px;color:var(--ink2)}
.drawer hr{border:none;border-top:1px solid var(--line);margin:22px 0 0}
.history{margin-bottom:20px}
.h-item{padding:10px 12px;background:#f7f4ee;border-radius:9px;margin-bottom:7px;font-size:13px;
  color:var(--ink2);line-height:1.55;cursor:pointer}
.h-item:hover{background:#f0eae0}
.h-time{font-size:11px;color:var(--ink3);margin-top:4px}
.btn-ghost{width:100%;padding:11px;border:1px solid var(--line);background:transparent;
  border-radius:10px;font-size:14px;color:var(--ink3)}