:root{
  --bg:#0f1115; --panel:#171a21; --panel2:#1e222b; --line:#2a2f3a;
  --text:#e6e8eb; --muted:#9aa0a8; --accent:#4f8cff; --accent2:#3b6fd8;
  --danger:#e5534b; --ok:#3fb950;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.5}
.hidden{display:none !important}
.muted{color:var(--muted);font-size:.9em}
.green{color:var(--ok)} .red{color:var(--danger)}

/* 卡片与 auth */
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}
.auth-view{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:340px;display:flex;flex-direction:column;gap:14px}
.auth-card h1{margin:0;font-size:26px}
.auth-card h2{margin:0;font-size:20px}

label{display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--muted)}
input,select,textarea{background:var(--panel2);border:1px solid var(--line);border-radius:8px;
  color:var(--text);padding:9px 11px;font-size:14px;outline:none;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
button{cursor:pointer;border:none;border-radius:8px;padding:9px 14px;font-size:14px;position:relative}
button.primary{background:var(--accent);color:#fff}
button.primary:hover{background:var(--accent2)}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
button.ghost:hover{background:var(--panel2)}
button.danger{color:var(--danger);border-color:var(--danger)}
button.sm{padding:4px 10px;font-size:12px}
button[disabled]{opacity:.5;cursor:not-allowed}

.error{color:var(--danger);font-size:.85rem;padding:8px;border:1px solid var(--danger);
  border-radius:8px;background:rgba(229,83,75,.08)}

/* 顶栏与面板 */
.app{max-width:960px;margin:0 auto;padding:20px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);margin-bottom:18px}
.brand{font-weight:700;font-size:20px}
.top-right{display:flex;align-items:center;gap:10px}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel-head h2{margin:0;font-size:18px}

/* 账号列表 */
.account-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.acc-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px;
  display:flex;flex-direction:column;gap:6px;cursor:pointer;transition:border-color .15s}
.acc-card:hover{border-color:var(--accent)}
.acc-name{font-weight:600;font-size:15px;display:flex;gap:8px;align-items:center}
.badge{font-size:11px;padding:1px 7px;border-radius:20px;background:var(--panel2);color:var(--muted)}
.badge.off{color:var(--danger);border:1px solid var(--danger)}
.acc-sub{color:var(--muted);font-size:.85rem}
.empty{grid-column:1/-1;color:var(--muted);text-align:center;padding:40px 0}

/* 表格 */
.table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.table th,.table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);font-size:14px}
.table th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.table tr:last-child td{border-bottom:none}
.tag{font-size:12px;padding:2px 8px;border-radius:20px}
.tag.yellow{background:#3a3410;color:#e0c241}.tag.blue{background:#0f2a4d;color:#5b9bff}
.tag.red{background:#3a1412;color:#e5534b}.tag.green{background:#10351d;color:#3fb950}

/* 弹层 */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;width:460px;max-width:100%;
  max-height:90vh;overflow:auto;padding:22px}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.modal-head h3{margin:0;font-size:18px}
.modal-box form{display:flex;flex-direction:column;gap:12px}
.modal-actions{display:flex;justify-content:space-between;gap:10px;margin-top:6px}

/* 详情 */
.details{display:grid;grid-template-columns:110px 1fr;gap:10px 14px;margin:0 0 16px}
.details dt{color:var(--muted);font-size:.85rem;align-self:start;padding-top:2px}
.details dd{margin:0;display:flex;align-items:center;gap:10px}
.secret{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all}
.totp{font-size:26px;font-weight:700;letter-spacing:3px;font-family:ui-monospace,monospace;color:var(--ok)}
.totp.warn{color:var(--err)}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--panel2);
  border:1px solid var(--line);border-radius:10px;padding:12px 18px;z-index:100;box-shadow:0 6px 24px rgba(0,0,0,.4)}
.toast.ok{border-color:var(--ok);color:var(--ok)} .toast.err{border-color:var(--danger);color:var(--danger)}