:root {
  --bg: #0d1117;
  --bg-2: #11161d;
  --panel: #161b22;
  --panel-2: #1c232c;
  --line: #263039;
  --line-strong: #33404b;
  --text: #e6edf3;
  --text-2: #b3bdc7;
  --text-3: #7d8894;
  --accent: #4e8df6;
  --accent-2: #6ea8ff;
  --ok: #2fb570;
  --warn: #f2a63c;
  --err: #e9575d;
  --r: 10px;
  --r-sm: 7px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; cursor: pointer; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--bg-2);
  border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 8px 10px; width: 100%; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
.hidden { display: none !important; }
.muted { color: var(--text-3); }
.mono { font-family: var(--mono); }
.spacer { flex: 1; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: var(--r-sm);
  border: 1px solid var(--line-strong); background: var(--panel-2);
  color: var(--text); transition: .15s;
}
.btn:hover { border-color: var(--accent); color: #fff; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-2); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--err); border-color: color-mix(in srgb, var(--err) 40%, var(--line)); }
.btn.danger:hover { background: color-mix(in srgb, var(--err) 14%, transparent); }
.btn.sm { padding: 5px 10px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- login ---------- */
.login-wrap {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: radial-gradient(1200px 700px at 50% -10%, #1a2740 0%, var(--bg) 55%);
}
.login-card {
  width: 360px; padding: 30px; border-radius: 16px;
  background: var(--panel); border: 1px solid var(--line);
  box-shadow: 0 24px 70px rgba(0,0,0,.5);
}
.login-card h1 { font-size: 20px; margin: 16px 0 4px; }
.login-card p { margin: 0 0 20px; font-size: 13px; }
.login-card label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--text-2); }
.login-card label input { margin-top: 6px; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 4px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; letter-spacing: .3px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent);
       box-shadow: 0 0 12px var(--accent); }
.msg { margin-top: 12px; font-size: 13px; min-height: 18px; }
.msg.err { color: var(--err); }

/* ---------- app shell ---------- */
.app { display: grid; grid-template-columns: 220px 1fr; height: 100vh; }
.side {
  display: flex; flex-direction: column; gap: 6px; padding: 18px 14px;
  background: var(--bg-2); border-right: 1px solid var(--line);
}
.side .logo { padding: 4px 8px 16px; font-size: 15px; }
.nav-item {
  text-align: left; padding: 9px 12px; border-radius: var(--r-sm);
  background: transparent; border: 0; color: var(--text-2);
}
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active { background: var(--panel-2); color: #fff; box-shadow: inset 2px 0 0 var(--accent); }
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.who { font-size: 12.5px; color: var(--text-3); padding: 0 4px; word-break: break-all; }

.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 12px; padding: 16px 24px;
  border-bottom: 1px solid var(--line); background: var(--bg-2);
}
.topbar h2 { font-size: 16px; margin: 0; font-weight: 600; }
.view { padding: 22px 24px; overflow: auto; }

/* ---------- cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r);
  padding: 16px;
}
.card .k { font-size: 12.5px; color: var(--text-3); }
.card .v { font-size: 26px; font-weight: 650; margin-top: 6px; letter-spacing: .5px; }
.card .s { font-size: 12px; color: var(--text-3); margin-top: 2px; }

.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--r); padding: 18px; margin-top: 18px;
}
.panel h3 { margin: 0 0 14px; font-size: 14px; font-weight: 600; }
.panel h3 .muted { font-weight: 400; font-size: 12.5px; margin-left: 8px; }

/* ---------- forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 12.5px; color: var(--text-2); }
.field.inline { flex-direction: row; align-items: center; gap: 8px; }
.field.inline input[type=checkbox] { width: auto; }
.row-actions { display: flex; gap: 10px; align-items: center; margin-top: 14px; flex-wrap: wrap; }

/* ---------- table ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--text-3); font-weight: 500; font-size: 12px; text-transform: none; }
.tbl tbody tr:hover { background: var(--panel-2); }
.tbl td.actions { text-align: right; white-space: nowrap; }
.tbl .mono { font-size: 12px; }

/* ---------- pills ---------- */
.pill {
  display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text-2);
}
.pill.ok { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok);
           border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.pill.warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn);
             border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.pill.err { background: color-mix(in srgb, var(--err) 16%, transparent); color: var(--err);
            border-color: color-mix(in srgb, var(--err) 35%, transparent); }
.pill.accent { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent-2);
               border-color: color-mix(in srgb, var(--accent) 35%, transparent); }

.file-rows { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.file-row {
  display: grid; grid-template-columns: 1.6fr .5fr .8fr 1.2fr 34px; gap: 10px;
  align-items: center; padding: 10px; background: var(--bg-2);
  border: 1px solid var(--line); border-radius: var(--r-sm);
}
.file-row input[type=file] { padding: 5px; }
.hint { font-size: 12px; color: var(--text-3); margin-top: 6px; line-height: 1.6; }

/* ---------- toast ---------- */
.toast {
  position: fixed; right: 22px; bottom: 22px; padding: 11px 16px;
  background: var(--panel-2); border: 1px solid var(--line-strong);
  border-radius: var(--r-sm); font-size: 13px; opacity: 0; transform: translateY(8px);
  transition: .2s; pointer-events: none; max-width: 420px;
}
.toast.show { opacity: 1; transform: none; }
.toast.ok { border-color: color-mix(in srgb, var(--ok) 50%, var(--line)); }
.toast.err { border-color: color-mix(in srgb, var(--err) 50%, var(--line)); color: var(--err); }

.empty { padding: 26px; text-align: center; color: var(--text-3); font-size: 13px; }

/* ---------- tenant picker ---------- */
.tenant-pick {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; color: var(--text-3);
}
.tenant-pick select {
  width: auto; min-width: 190px; padding: 6px 10px; background: var(--panel);
}
.tenant-pick select:disabled { color: var(--text-2); opacity: 1; }

/* ---------- key blocks (品牌公钥) ---------- */
.keybox {
  margin-top: 14px; padding: 14px; border-radius: var(--r-sm);
  background: var(--bg-2); border: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: start;
}
.keybox-h {
  grid-column: 1 / -1; display: flex; align-items: center; gap: 10px;
  font-size: 12.5px; color: var(--text-2); flex-wrap: wrap;
}
.keytext {
  font-size: 12px; line-height: 1.5; resize: vertical;
  word-break: break-all; min-height: 52px;
}
code {
  font-family: var(--mono); font-size: 12px; padding: 1px 5px;
  background: var(--panel-2); border-radius: 4px; border: 1px solid var(--line);
}

@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .side { flex-direction: row; overflow-x: auto; padding: 10px; }
  .side .logo, .side-foot { display: none; }
  .file-row { grid-template-columns: 1fr; }
  .tenant-pick span { display: none; }
  .tenant-pick select { min-width: 130px; }
}