* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f3f5f9; --card: #ffffff; --text: #1f2937; --muted: #6b7280;
  --accent: #2563eb; --border: #e5e7eb; --ok: #16a34a; --bad: #dc2626; --unknown: #9ca3af;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
}
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 16px; }
.login-card { background: var(--card); border-radius: 16px; padding: 36px 32px; width: 340px; max-width: 100%; box-shadow: 0 8px 30px rgba(15,23,42,.08); text-align: center; }
.login-card .logo { font-size: 44px; }
.login-card h1 { font-size: 22px; margin-top: 8px; }
.login-card .sub { color: var(--muted); font-size: 13px; margin: 6px 0 20px; }
.error { background: #fef2f2; color: var(--bad); border: 1px solid #fecaca; border-radius: 8px; font-size: 13px; padding: 8px 10px; margin-bottom: 14px; }
.login-card input { width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; outline: none; margin-bottom: 14px; }
.login-card input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.login-card button { width: 100%; padding: 11px; border: 0; border-radius: 10px; background: var(--accent); color: #fff; font-size: 15px; cursor: pointer; }
.login-card button:hover { filter: brightness(1.08); }

.topbar { display: flex; align-items: center; justify-content: space-between; max-width: 980px; margin: 0 auto; padding: 22px 16px 6px; }
.logo-small { font-size: 20px; }
.topbar .domain { color: var(--muted); font-size: 13px; margin-left: 6px; }
.logout-btn { border: 1px solid var(--border); background: var(--card); color: var(--muted); border-radius: 8px; padding: 7px 14px; font-size: 13px; cursor: pointer; }
.logout-btn:hover { color: var(--bad); border-color: var(--bad); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 18px; max-width: 980px; margin: 18px auto 0; padding: 0 16px 10px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px; display: flex; flex-direction: column; gap: 14px; box-shadow: 0 4px 16px rgba(15,23,42,.05); }
.card-head { display: flex; gap: 12px; align-items: flex-start; }
.card .emoji { font-size: 30px; line-height: 1; }
.card-head .titles h2 { font-size: 17px; }
.card-head .titles p { color: var(--muted); font-size: 13px; margin-top: 3px; }
.status { margin-left: auto; flex-shrink: 0; font-size: 12px; color: var(--muted); display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--unknown); display: inline-block; }
.st-up i { background: var(--ok); }
.st-down i { background: var(--bad); }
.note { font-size: 12.5px; color: var(--muted); background: #f8fafc; border: 1px dashed var(--border); padding: 8px 10px; border-radius: 8px; }
.secret-row { display: flex; align-items: center; gap: 8px; background: #f8fafc; border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; }
.secret-label { font-size: 12px; color: var(--muted); white-space: nowrap; }
.secret-value { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; word-break: break-all; }
.copy-btn { margin-left: auto; flex-shrink: 0; border: 1px solid var(--border); background: #fff; border-radius: 8px; font-size: 12px; padding: 5px 10px; cursor: pointer; }
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.enter-btn { display: block; text-align: center; text-decoration: none; background: var(--accent); color: #fff; border-radius: 10px; padding: 11px; font-size: 14px; margin-top: auto; }
.enter-btn:hover { filter: brightness(1.08); }

.foot { max-width: 980px; margin: 8px auto 26px; padding: 0 16px; color: #9ca3af; font-size: 12px; text-align: center; }

@media (max-width: 480px) {
  .card-head { flex-wrap: wrap; }
  .status { margin-left: 42px; }
}