:root {
  --bg: #f7f8fa;
  --paper: #ffffff;
  --ink: #1a2233;
  --ink-soft: #5b6472;
  --line: #e3e6eb;
  --accent: #2563eb;
  --accent-soft: #eef2ff;
  --ok: #15803d;
  --ok-soft: #dcfce7;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 24, 33, 0.06), 0 1px 1px rgba(20, 24, 33, 0.04);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

.shell { max-width: 960px; margin: 0 auto; padding: 32px 20px 64px; }

header.top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px;
}
header.top h1 { font-size: 1.3rem; margin: 0; font-weight: 650; }
header.top .brand { display: flex; align-items: center; gap: 10px; }
header.top .mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--accent);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.95rem;
}

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); background: var(--paper); color: var(--ink);
  border-radius: 8px; padding: 7px 12px; font-size: 0.88rem; cursor: pointer;
  font-family: inherit;
}
.btn:hover { border-color: #c7ccd4; text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); background: var(--danger-soft); }
.btn-sm { padding: 4px 9px; font-size: 0.8rem; }

.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.project { margin-bottom: 20px; }
.project-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--line);
}
.project-head h2 { font-size: 1.05rem; margin: 0; font-weight: 600; }
.project-note { color: var(--ink-soft); font-size: 0.85rem; margin-top: 2px; }

table.entities { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.entities th {
  text-align: left; font-weight: 600; font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--ink-soft); padding: 8px 18px; border-bottom: 1px solid var(--line);
}
table.entities td { padding: 10px 18px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.entities tr:last-child td { border-bottom: none; }
.ip { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--ink-soft); }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.72rem; font-weight: 600;
}
.badge-server { background: var(--accent-soft); color: var(--accent); }
.badge-host { background: var(--ok-soft); color: var(--ok); }
.badge-client { background: var(--warn-soft); color: var(--warn); }

.empty { padding: 32px 18px; text-align: center; color: var(--ink-soft); }

form.inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 14px 18px; }
input.input, select.input {
  border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font-size: 0.88rem;
  font-family: inherit; background: var(--paper); color: var(--ink);
}

.secret-box {
  margin: 0 18px 16px; padding: 12px 14px; border-radius: 8px;
  background: var(--warn-soft); border: 1px solid #f3d68a; font-size: 0.85rem;
}
.secret-box code {
  display: block; margin-top: 6px; padding: 8px 10px; background: #fff; border-radius: 6px;
  word-break: break-all; font-size: 0.82rem;
}

.login-shell {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
}
.login-card { width: 100%; max-width: 320px; padding: 28px; }
.login-card h1 { font-size: 1.2rem; margin: 0 0 18px; text-align: center; }
.login-card input { width: 100%; margin-bottom: 12px; }
.login-error { color: var(--danger); font-size: 0.85rem; margin-bottom: 12px; }

footer.foot { margin-top: 32px; color: var(--ink-soft); font-size: 0.8rem; text-align: center; }