:root {
  --bg: #0b0d10;
  --panel: #14171c;
  --panel-2: #191d24;
  --border: #242a33;
  --text: #e7e9ee;
  --muted: #8b93a1;
  --accent: #4f8cff;
  --accent-dim: #2b4f92;
  --green: #35c07f;
  --red: #f2555a;
  --amber: #e0a33e;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, "Segoe UI", "Microsoft YaHei", Roboto, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono { font-family: ui-monospace, "SF Mono", Consolas, "Courier New", monospace; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

/* ---------------------------------------------------------------- 布局 */

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .brand { font-weight: 600; font-size: 15px; }
.topbar .spacer { flex: 1; }
.topbar .who { color: var(--muted); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 22px; }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.card h2 {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card h2 .spacer { flex: 1; }

.stat { background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat .k { color: var(--muted); font-size: 12px; }
.stat .v { font-size: 22px; font-weight: 600; margin-top: 4px; }

.banner {
  background: rgba(79, 140, 255, .1);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 16px;
  white-space: pre-wrap;
}

/* ---------------------------------------------------------------- 控件 */

input, select, textarea, button {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent-dim); }
input::placeholder, textarea::placeholder { color: #5c6474; }
label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.field { margin-bottom: 12px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.row > .field { margin-bottom: 0; }
.grow { flex: 1; min-width: 140px; }

button {
  cursor: pointer;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 500;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.ghost { background: transparent; border-color: var(--border); color: var(--text); }
button.ghost:hover { background: var(--panel-2); }
button.danger { background: transparent; border-color: #4a2427; color: var(--red); }
button.danger:hover { background: rgba(242, 85, 90, .1); }
button.mini { padding: 4px 9px; font-size: 12px; border-radius: 6px; }

/* ---------------------------------------------------------------- 表格 */

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; white-space: nowrap; }
tbody tr:hover { background: rgba(255, 255, 255, .02); }
.table-scroll { overflow-x: auto; }

.badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 11px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.ok { color: var(--green); border-color: #1d4a36; background: rgba(53, 192, 127, .08); }
.badge.off { color: var(--muted); }
.badge.err { color: var(--red); border-color: #4a2427; background: rgba(242, 85, 90, .08); }

/* ---------------------------------------------------------------- 登录页 */

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 26px; }
.login-card h1 { margin: 0 0 4px; font-size: 18px; }
.login-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.login-card button { width: 100%; margin-top: 6px; }
.switch { margin-top: 16px; font-size: 13px; color: var(--muted); text-align: center; }

/* ---------------------------------------------------------------- 提示 */

#toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 99;
}
.toast-item {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 10px 14px;
  max-width: 380px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .4);
  animation: slide .18s ease-out;
}
.toast-item.err { border-left-color: var(--red); }
.toast-item.ok { border-left-color: var(--green); }
@keyframes slide { from { transform: translateX(12px); opacity: 0; } to { transform: none; opacity: 1; } }

.keycell { display: flex; align-items: center; gap: 8px; }
.keycell code { background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; padding: 2px 7px; }
.empty { color: var(--muted); padding: 14px 0; text-align: center; }
pre.snippet {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  font-size: 12px;
  line-height: 1.5;
  margin: 0;
}