:root{
  --bg:#0e1117;
  --bg-soft:#151a23;
  --card:#191f2a;
  --line:#252c39;
  --text:#e8edf5;
  --muted:#8b97ab;
  --accent:#4f8cff;
  --accent-2:#7b5cff;
  --ok:#3ddc97;
  --warn:#ffb648;
  --err:#ff6b6b;
  --fs:17px;
  --safe-b:env(safe-area-inset-bottom,0px);
  --safe-t:env(safe-area-inset-top,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{
  background:var(--bg);color:var(--text);
  font:400 var(--fs)/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  -webkit-text-size-adjust:100%;
  overflow:hidden;
}
#app{
  display:flex;flex-direction:column;
  height:100vh;      /* 老浏览器回退 */
  height:100dvh;
  padding-top:var(--safe-t);
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.hidden{display:none !important}
.muted{color:var(--muted)}
.small{font-size:.82em}

/* ---------- 顶部 ---------- */
.top{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#131923,#0e1117);
}
.brand{display:flex;align-items:center;gap:8px;min-width:0}
.brand h1{
  font-size:16px;font-weight:600;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.dot{width:9px;height:9px;border-radius:50%;background:var(--muted);flex:0 0 auto;box-shadow:0 0 0 4px rgba(255,255,255,.04)}
.dot.on{background:var(--ok)}
.dot.off{background:var(--err)}
.dot.busy{background:var(--warn)}
.top-right{display:flex;gap:6px;flex:0 0 auto}
.chip{
  border:1px solid var(--line);background:var(--bg-soft);color:var(--muted);
  padding:6px 10px;border-radius:999px;font-size:12.5px;white-space:nowrap;
}
.chip b{color:var(--text);font-weight:600}
.chip:active{transform:scale(.97)}

/* ---------- 编辑区 ---------- */
.editor-wrap{position:relative;flex:1 1 auto;min-height:0;display:flex}
#editor{
  flex:1 1 auto;width:100%;min-height:0;resize:none;
  border:0;outline:0;background:transparent;color:var(--text);
  padding:14px 16px calc(14px + var(--safe-b));
  font:inherit;line-height:1.65;
  caret-color:var(--accent);
}
#editor::placeholder{color:#5b667a}
.fab{
  position:absolute;right:14px;bottom:14px;width:42px;height:42px;border-radius:50%;
  background:var(--card);border:1px solid var(--line);color:var(--muted);font-size:18px;
  box-shadow:0 6px 18px rgba(0,0,0,.35);
}

/* ---------- 底部 ---------- */
.bottom{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 12px calc(8px + var(--safe-b));
  border-top:1px solid var(--line);background:#131923;
}
.status{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden}
.pill{
  font-size:12.5px;padding:4px 10px;border-radius:999px;
  background:rgba(79,140,255,.14);color:#a9c6ff;white-space:nowrap;
}
.pill.ok{background:rgba(61,220,151,.14);color:#8ff0c5}
.pill.warn{background:rgba(255,182,72,.16);color:#ffd79b}
.pill.err{background:rgba(255,107,107,.16);color:#ffb3b3}
#count{font-size:12px;white-space:nowrap}
.actions{display:flex;gap:6px;flex:0 0 auto}
.actions button{
  min-width:46px;height:40px;padding:0 12px;border-radius:11px;
  background:var(--bg-soft);border:1px solid var(--line);font-size:14px;
}
.actions button:active{transform:scale(.96)}
.actions .primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  border-color:transparent;color:#fff;font-weight:600;
}
.actions .primary[disabled]{opacity:.45}

/* ---------- 弹层 ---------- */
.overlay{
  position:fixed;inset:0;z-index:70;background:rgba(6,9,14,.72);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:flex;align-items:flex-end;justify-content:center;
  padding:16px;padding-bottom:calc(16px + var(--safe-b));
  animation:fade .18s ease;
}
@keyframes fade{from{opacity:0}to{opacity:1}}
.card{
  width:100%;max-width:560px;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:18px;max-height:86vh;max-height:86dvh;overflow:auto;
  animation:rise .2s ease;
}
@keyframes rise{from{transform:translateY(14px);opacity:.6}to{transform:none;opacity:1}}
.card.tall{height:82vh;height:82dvh;display:flex;flex-direction:column}
.card h2{font-size:16px;margin:0 0 8px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.card p{margin:6px 0 10px;font-size:14px}
.card input{
  width:100%;height:46px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg-soft);color:var(--text);padding:0 14px;font:inherit;outline:0;
}
.card input:focus{border-color:var(--accent)}
.card-actions{display:flex;gap:6px;margin-top:12px}
.card-actions.col{flex-direction:column}
.card-actions button{
  height:44px;border-radius:12px;background:var(--bg-soft);border:1px solid var(--line);font-size:15px;
}
.card-actions .primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent;color:#fff;font-weight:600}
.wide{flex:1 1 auto}
.err{color:var(--err);font-size:13px;min-height:18px;margin:8px 0 0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.two label{font-size:12px;color:var(--muted)}
.two pre,pre{
  margin:4px 0 0;padding:10px;border-radius:12px;background:var(--bg-soft);
  border:1px solid var(--line);font:13px/1.55 ui-monospace,Menlo,Consolas,monospace;
  white-space:pre-wrap;word-break:break-word;max-height:18vh;max-height:18dvh;overflow:auto;
}
#previewText{max-height:46vh;max-height:46dvh}
.list{flex:1 1 auto;min-height:0;overflow:auto;margin-top:6px}
.item{
  display:flex;gap:10px;align-items:flex-start;padding:11px 12px;border-radius:12px;
  border:1px solid var(--line);background:var(--bg-soft);margin-bottom:8px;
}
.item:active{background:#1d2431}
.item > div:first-child{flex:1 1 auto;min-width:0}
.item .t{font-size:12.5px;color:var(--muted);white-space:nowrap}
.item .p{font-size:13.5px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .now{flex:0 0 auto;font-size:11.5px;color:var(--ok);border:1px solid rgba(61,220,151,.35);border-radius:999px;padding:2px 7px}
.rows{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14.5px}
.seg{display:flex;gap:6px}
.seg button{width:52px;height:38px;border-radius:10px;background:var(--bg-soft);border:1px solid var(--line)}
.share{display:flex;gap:8px;align-items:center}
.share code{
  flex:1 1 auto;font-size:13px;background:var(--bg-soft);border:1px solid var(--line);
  border-radius:10px;padding:9px 10px;overflow:auto;white-space:nowrap;
}
/* 提示条：底部弹出、按内容自适应宽度；弹层打开时被盖住，避免压住按钮 */
.toast{
  position:fixed;left:50%;bottom:calc(74px + var(--safe-b));transform:translateX(-50%);
  z-index:60;background:#232b3a;border:1px solid var(--line);color:var(--text);
  padding:9px 15px;border-radius:14px;font-size:13.5px;
  width:max-content;max-width:88vw;text-align:center;
  box-shadow:0 10px 30px rgba(0,0,0,.45);animation:drop .18s ease;
}
@keyframes drop{from{transform:translate(-50%,8px);opacity:0}to{transform:translate(-50%,0);opacity:1}}
@media (min-width:640px){
  .overlay{align-items:center}
}