:root{
  --bg:#0f172a; --panel:#1e293b; --panel2:#273449; --line:#334155;
  --text:#e2e8f0; --muted:#94a3b8; --accent:#38bdf8; --accent2:#0ea5e9;
  --ok:#22c55e; --err:#ef4444; --warn:#f59e0b;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Segoe UI","Noto Sans TC",system-ui,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.55}
.hidden{display:none!important}
.muted{color:var(--muted);font-size:.86rem}
.err{color:var(--err);font-size:.85rem;margin-top:.5rem;min-height:1rem}
button{cursor:pointer;border:none;border-radius:8px;padding:.5rem .9rem;
  background:var(--accent2);color:#fff;font-size:.9rem;transition:.15s}
button:hover{background:var(--accent)}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
button.ghost:hover{background:var(--panel2)}
button.danger{background:var(--err)}
button.small{padding:.3rem .6rem;font-size:.8rem}
input,select,textarea{width:100%;padding:.55rem .7rem;border-radius:8px;
  border:1px solid var(--line);background:var(--panel2);color:var(--text);
  font-size:.9rem;font-family:inherit}
textarea{min-height:70px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:1px solid var(--accent)}
label{display:block;font-size:.82rem;color:var(--muted);margin:.7rem 0 .25rem}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:1.4rem}
a{color:var(--accent)}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-card{width:340px;text-align:center}
.login-card h1{font-size:1.4rem;margin-bottom:.2rem}
.login-card input{margin:1.2rem 0 .9rem}
.login-card button{width:100%}

/* app shell */
header{display:flex;align-items:center;gap:1.5rem;padding:.8rem 1.5rem;
  background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{font-weight:700;font-size:1.05rem}
header nav{display:flex;gap:.4rem;flex:1}
header nav button{background:transparent;color:var(--muted);padding:.45rem .85rem}
header nav button.active{background:var(--panel2);color:var(--accent)}
main{max-width:1100px;margin:1.5rem auto;padding:0 1.2rem}

/* settings */
.cat{margin-bottom:1.1rem}
.cat>h3{font-size:1rem;padding:.7rem 1rem;background:var(--panel2);
  border-radius:10px;cursor:pointer;display:flex;justify-content:space-between}
.cat-body{padding:1rem .4rem .4rem}
.grid2{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:.4rem 1.4rem}
.field small{display:block;color:var(--muted);font-size:.74rem;margin-top:.2rem}
.badge{font-size:.7rem;padding:.12rem .5rem;border-radius:99px;margin-left:.4rem}
.badge.set{background:#14532d;color:#86efac}
.badge.unset{background:#7f1d1d;color:#fca5a5}
.row-actions{display:flex;gap:.5rem;margin:1rem 0;flex-wrap:wrap}

/* table */
table{width:100%;border-collapse:collapse;font-size:.84rem;margin-top:.8rem}
th,td{text-align:left;padding:.55rem .6rem;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;background:var(--panel2)}
tr:hover td{background:var(--panel2)}
.pill{font-size:.72rem;padding:.12rem .55rem;border-radius:99px}
.pill.ok{background:#14532d;color:#86efac}
.pill.bad{background:#7f1d1d;color:#fca5a5}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
  gap:1rem;margin-bottom:1.4rem}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:1rem}
.stat .n{font-size:1.7rem;font-weight:700;color:var(--accent)}
.stat .l{color:var(--muted);font-size:.82rem}
.chips{display:flex;gap:.4rem;flex-wrap:wrap}
.chip{display:flex;align-items:center;gap:.35rem;background:var(--panel2);
  padding:.35rem .7rem;border-radius:8px;font-size:.82rem}
.chip input{width:auto}

/* toast & modal */
.toast{position:fixed;bottom:1.4rem;left:50%;transform:translateX(-50%);
  background:var(--panel);border:1px solid var(--line);padding:.8rem 1.4rem;
  border-radius:10px;z-index:50;max-width:90vw}
.toast.ok{border-color:var(--ok)} .toast.bad{border-color:var(--err)}
.modal-wrap{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;
  align-items:center;justify-content:center;z-index:40;padding:1rem}
.modal{width:480px;max-width:95vw;max-height:90vh;overflow:auto}
.modal h3{margin-bottom:1rem}
.keybox{background:#052e16;border:1px solid var(--ok);padding:.8rem;
  border-radius:8px;font-family:monospace;font-size:.82rem;word-break:break-all;
  margin:.8rem 0}
.flex{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}