/* Knowledge Engine Admin — minimal, pleasant CSS */
*,*::before,*::after { box-sizing: border-box; }
:root {
  --bg: #fafafa; --fg: #1a1a1a; --muted: #6b6b6b;
  --border: #d8d8d8; --accent: #2563eb; --accent-hover: #1d4ed8;
  --danger: #dc2626; --success: #059669; --warning: #d97706;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 14px; line-height: 1.5; color: var(--fg); background: var(--bg);
  margin: 0; padding: 0;
}
header {
  background: white; border-bottom: 1px solid var(--border);
  padding: 12px 24px; display: flex; align-items: center; justify-content: space-between;
}
header .brand { font-size: 16px; font-weight: 600; text-decoration: none; color: var(--fg); }
nav a { margin-left: 16px; text-decoration: none; color: var(--accent); }
nav a:hover { text-decoration: underline; }

main { max-width: 1100px; margin: 0 auto; padding: 24px; }
footer { text-align: center; padding: 24px; color: var(--muted); }

h1 { margin-top: 0; }
h2 { margin-top: 32px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
h3 { margin-top: 0; }

table {
  width: 100%; border-collapse: collapse; background: white;
  border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
}
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #f1f1f1; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
tr:last-child td { border-bottom: none; }

code { background: #efefef; padding: 2px 6px; border-radius: 3px; font-size: 12px; }
.tag { display: inline-block; background: #dbeafe; color: var(--accent-hover); padding: 2px 8px; border-radius: 12px; font-size: 11px; margin-right: 4px; }
.muted { color: var(--muted); font-style: italic; }

form { display: flex; flex-direction: column; gap: 12px; }
form.inline-form { padding: 16px; background: #f5f5f5; border-radius: 6px; margin-top: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 500; }
label small { font-weight: normal; color: var(--muted); }
input, textarea, select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 4px;
  font-size: 14px; font-family: inherit; background: white;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
button, .btn {
  padding: 8px 16px; background: var(--accent); color: white; border: none;
  border-radius: 4px; cursor: pointer; font-size: 14px; font-weight: 500;
  text-decoration: none; display: inline-block;
}
button:hover, .btn:hover { background: var(--accent-hover); }
.btn-link, button.btn-link {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 8px 16px;
  font-weight: 500;
}
.btn-link:hover, button.btn-link:hover {
  background: #f1f1f1;
  color: var(--fg);
}
.btn-mini { padding: 4px 10px; font-size: 12px; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #991b1b; }

fieldset { border: 1px solid var(--border); border-radius: 6px; padding: 16px; }
legend { font-weight: 600; padding: 0 8px; }

.card {
  background: white; border: 1px solid var(--border); border-radius: 6px;
  padding: 24px; margin: 16px 0;
}
.card.login { max-width: 420px; margin: 64px auto; }

.flash {
  padding: 12px 16px; border-radius: 6px; margin-bottom: 16px;
  border-left: 4px solid var(--accent);
}
.flash-success { background: #d1fae5; border-left-color: var(--success); }
.flash-error { background: #fee2e2; border-left-color: var(--danger); }
.flash-info { background: #dbeafe; }
.error { color: var(--danger); }

.token-reveal {
  background: #fef3c7; border: 1px solid var(--warning);
  padding: 12px; border-radius: 4px; font-family: monospace; font-size: 12px;
  word-break: break-all; user-select: all;
}

details summary { cursor: pointer; padding: 8px 0; color: var(--accent); }
details[open] summary { margin-bottom: 8px; }

.ke-dialog {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  max-width: 720px;
  width: 90%;
  background: white;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.ke-dialog::backdrop { background: rgba(0,0,0,0.45); }
.ke-dialog h2 { margin-top: 0; }
.ke-dialog .dialog-actions {
  display: flex; gap: 12px; justify-content: flex-end;
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border);
}