:root{
  --bg:#0d1b2a; --panel:#0b1725; --panel2:#10233a; --line:#1e3a55;
  --ink:#eaf1f8; --sub:#cfdcea; --faint:#7d93ad;
  --accent:#7fb3ff; --gold:#ffd166; --user:#1f4e79;
  --radius:14px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%}
body{font:15px/1.75 -apple-system,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
  background:radial-gradient(1200px 600px at 75% -10%,#12263f 0%,var(--bg) 55%) fixed,var(--bg);
  color:var(--ink)}
.app{display:flex;flex-direction:column;height:100vh;max-width:920px;margin:0 auto;padding:0 14px}

/* ---------- 顶栏 ---------- */
.top{display:flex;align-items:center;gap:12px;padding:12px 4px 10px;border-bottom:1px solid var(--line)}
.avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--gold);
  box-shadow:0 0 14px rgba(255,209,102,.25)}
.who b{font-size:17px;letter-spacing:.03em;display:block;line-height:1.3}
.who span{font-size:12px;color:var(--faint);display:flex;align-items:center;gap:5px}
.dot{width:7px;height:7px;border-radius:50%;background:#5ad19f;display:inline-block;
  box-shadow:0 0 6px #5ad19f}
.tools{margin-left:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
#name{width:110px;padding:6px 10px;border-radius:9px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink);font:inherit;font-size:13px}
.admin{font-size:12.5px;color:var(--sub);display:flex;align-items:center;gap:4px;cursor:pointer}
button{font:inherit;cursor:pointer}
button.ghost{padding:6px 13px;border-radius:9px;border:1px solid var(--line);
  background:var(--panel);color:var(--sub);font-size:13px}
button.ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 聊天区 ---------- */
.chat{flex:1;overflow-y:auto;padding:18px 4px 10px;display:flex;flex-direction:column;gap:14px}
.chat::-webkit-scrollbar{width:8px}
.chat::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.row{display:flex;gap:10px;align-items:flex-end}
.row.me{flex-direction:row-reverse}
.row .a{width:34px;height:34px;border-radius:50%;object-fit:cover;flex:none;
  border:1.5px solid var(--gold);margin-bottom:2px}
.row.me .a{border-color:var(--accent)}
.bubble{max-width:76%;padding:10px 14px;border-radius:var(--radius);
  background:var(--panel2);border:1px solid var(--line);color:var(--sub);
  white-space:pre-wrap;word-break:break-word;font-size:14.5px;position:relative}
.row.me .bubble{background:var(--user);border-color:#2c66a0;color:#eaf3ff}
.bubble .who-tag{display:block;font-size:11px;color:var(--faint);margin-bottom:3px}
.bubble code{background:rgba(127,179,255,.13);color:var(--gold);padding:1px 6px;border-radius:5px;
  font:12.5px/1.6 Consolas,monospace}
.bubble strong{color:var(--ink)}
.bubble img{display:block;max-width:min(340px,100%);border-radius:10px;margin:8px 0 2px;
  cursor:zoom-in;border:1px solid var(--line)}
.bubble.note{background:none;border:1px dashed var(--line);color:var(--faint);
  font-size:12.5px;padding:7px 12px}
.bubble.err{border-color:#7a3b47;background:#241318;color:#f0b9c4}
.retryBtn{padding:6px 13px;border-radius:9px;border:1px solid var(--line);
  background:var(--panel2);color:var(--sub);font-size:13px}
.retryBtn:hover:not(:disabled){border-color:var(--gold);color:var(--gold)}
.retryBtn:disabled{opacity:.6;cursor:default}
.time{font-size:11px;color:var(--faint);margin:0 4px}

/* ---------- 快捷指令 ---------- */
.chips{display:flex;gap:8px;overflow-x:auto;padding:8px 2px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chips button{flex:none;padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--panel);color:var(--sub);font-size:13px;transition:all .15s}
.chips button:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-1px)}

/* ---------- 输入区 ---------- */
.inputbar{display:flex;gap:10px;padding:8px 0 12px;align-items:center}
#text{flex:1;padding:12px 16px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink);font:inherit;font-size:14.5px}
#text:focus{outline:none;border-color:var(--accent)}
.send{padding:11px 22px;border-radius:12px;border:none;background:linear-gradient(135deg,#2f6fed,#5b8dfa);
  color:#fff;font-weight:600;font-size:14px}
.send:hover{filter:brightness(1.1)}
.send:disabled{opacity:.5;cursor:wait}
.plate{padding:11px 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel);color:var(--sub);font-size:13.5px}
.plate:hover{border-color:var(--gold);color:var(--gold)}
.center-note{padding:8px 2px 12px;color:var(--faint);font-size:13px;display:flex;
  gap:8px;align-items:center;flex-wrap:wrap}
.center-note input{width:200px;padding:6px 10px;border-radius:8px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink);font-size:13px}
.center-note button{padding:5px 12px;border-radius:8px;border:1px solid var(--line);
  background:var(--panel);color:var(--sub);font-size:12.5px}
.center-note button:hover{color:var(--gold);border-color:var(--gold)}

/* ---------- 正在输入 ---------- */
.typing{position:fixed;left:50%;transform:translateX(-50%);bottom:92px;z-index:30;
  display:flex;align-items:center;gap:5px;background:var(--panel2);border:1px solid var(--line);
  padding:7px 16px;border-radius:999px;color:var(--faint);font-size:12.5px}
.typing[hidden]{display:none}
.t-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:blink 1.2s infinite}
.t-dot:nth-child(2){animation-delay:.2s}
.t-dot:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,70%,100%{opacity:.25}35%{opacity:1}}
.typing em{font-style:normal;margin-left:6px}

/* ---------- 指令抽屉 ---------- */
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(460px,94vw);z-index:60;
  background:var(--panel);border-left:1px solid var(--line);box-shadow:-20px 0 60px rgba(0,0,0,.5);
  display:flex;flex-direction:column}
.drawer[hidden]{display:none}
.d-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;
  border-bottom:1px solid var(--line)}
.d-head button{background:none;border:none;color:var(--faint);font-size:16px}
.d-head button:hover{color:var(--ink)}
.d-body{margin:0;padding:14px 18px;overflow:auto;flex:1;color:var(--sub);
  font:12.8px/1.9 Consolas,"Microsoft YaHei",monospace;white-space:pre-wrap}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:70;background:rgba(4,10,18,.86);
  display:flex;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox[hidden]{display:none}
.lightbox img{max-width:94vw;max-height:92vh;border-radius:10px}

/* ---------- 口令锁屏 ---------- */
.lock{position:fixed;inset:0;z-index:90;background:rgba(4,10,18,.9);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center}
.lock-card{width:min(360px,90vw);background:var(--panel2);border:1px solid var(--line);
  border-radius:16px;padding:28px 26px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lock-logo{font-size:30px;color:var(--gold);margin-bottom:4px}
.lock-card b{font-size:16px}
.lock-card p{color:var(--faint);font-size:13px;margin:8px 0 16px}
#lockToken{width:100%;padding:11px 14px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink);font:inherit;text-align:center;margin-bottom:10px}
#lockToken:focus{outline:none;border-color:var(--accent)}
#lockGo{width:100%;padding:11px;border:none;border-radius:10px;
  background:linear-gradient(135deg,#2f6fed,#5b8dfa);color:#fff;font-weight:600}
#lockErr{display:block;color:#f0b9c4;font-size:12.5px;margin-top:10px;min-height:16px;font-style:normal}
/* ---------- 观测城市选择 ---------- */
.citypick{position:fixed;inset:0;z-index:80;background:rgba(4,10,18,.72);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;padding:18px}
.citypick[hidden]{display:none}
.cp-card{width:min(420px,94vw);background:var(--panel2);border:1px solid var(--line);
  border-radius:16px;padding:22px 22px 18px;box-shadow:0 24px 70px rgba(0,0,0,.55)}
.cp-card b{font-size:15.5px}
.cp-sub{color:var(--faint);font-size:12.8px;line-height:1.7;margin:8px 0 14px}
#cpInput{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink);font:inherit}
#cpInput:focus{outline:none;border-color:var(--accent)}
.cp-quick{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0 4px}
.cp-chip{padding:5px 11px;border-radius:999px;border:1px solid var(--line);
  background:var(--panel);color:var(--sub);font-size:12.5px}
.cp-chip:hover{border-color:var(--gold);color:var(--gold)}
.cp-pre{color:var(--faint);font-size:12.5px;min-height:17px;margin:6px 0 12px}
.cp-acts{display:flex;gap:8px;flex-wrap:wrap}
.cp-acts .send{flex:1 1 130px;padding:10px 14px;border:none;border-radius:10px;
  background:linear-gradient(135deg,#2f6fed,#5b8dfa);color:#fff;font-weight:600}
.cp-acts .ghost{padding:10px 12px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel);color:var(--sub);font-size:13px}
.cp-acts .ghost:hover{color:var(--gold);border-color:var(--gold)}


/* ---------- 天体选择器 ---------- */
.objpick { position: fixed; inset: 0; z-index: 60; display: flex; align-items: center;
  justify-content: center; background: rgba(4, 7, 18, .72); backdrop-filter: blur(4px); padding: 16px; }
.op-card { width: min(860px, 94vw); max-height: 86vh; display: flex; flex-direction: column;
  background: #111a2e; border: 1px solid rgba(255, 255, 255, .12); border-radius: 16px;
  padding: 16px 16px 6px; box-shadow: 0 24px 60px rgba(0, 0, 0, .55); }
.op-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.op-head b { font-size: 1.05rem; color: #f4f7ff; }
.op-head .ghost { padding: 4px 10px; }
.op-sub { margin: 6px 0 10px; color: #93a4c4; font-size: .86rem; line-height: 1.5; }
.op-tabs { display: flex; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.op-tab { padding: 4px 12px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .16);
  background: transparent; color: #c3cfe6; font-size: .84rem; cursor: pointer; }
.op-tab.on { background: #ffd166; border-color: #ffd166; color: #1a1405; font-weight: 600; }
#opSearch { width: 100%; box-sizing: border-box; margin-bottom: 10px; padding: 9px 12px;
  border-radius: 10px; border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .05); color: #eaf0ff; font-size: .9rem; }
.op-grid { flex: 1; overflow-y: auto; display: grid; gap: 10px; padding-bottom: 8px;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.op-item { text-align: left; padding: 8px; border-radius: 12px; cursor: pointer;
  border: 1px solid rgba(255, 255, 255, .1); background: rgba(255, 255, 255, .035);
  color: #e8eefc; display: flex; flex-direction: column; gap: 4px; }
.op-item:hover { border-color: rgba(255, 209, 102, .6); background: rgba(255, 209, 102, .08); }
.op-thumb { display: block; width: 100%; aspect-ratio: 4 / 3; border-radius: 8px; overflow: hidden;
  background: #0a1120; }
.op-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.op-thumb.noimg { background: radial-gradient(circle at 50% 45%, #2b3a5c 0, #0a1120 70%);
  display: flex; align-items: center; justify-content: center; font-size: 1.7rem; color: #6d7fa3; }
.op-item b { font-size: .86rem; line-height: 1.3; font-weight: 600; }
.op-meta { font-size: .74rem; color: #8fa1c2; line-height: 1.35; }
.op-empty { color: #8fa1c2; font-size: .88rem; padding: 18px 4px; }
.op-foot { margin: 4px 0 10px; color: #6f80a0; font-size: .76rem; }
@media(max-width:640px) {
  .op-card { width: 100%; max-height: 88vh; }
  .op-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
}
@media(max-width:640px){
  .bubble{max-width:88%}
  .tools #name{width:84px}
  #helpBtn{display:none}
}