:root {
  --pf-bg: #f4f6f8; --pf-surface: #fff; --pf-text: #1b2430; --pf-muted: #5d6b7a;
  --pf-border: #d5dce3; --pf-accent: #17709e; --pf-accent-text: #fff;
  --pf-ok: #1c7c3b; --pf-ok-bg: #dff3e5; --pf-warn: #8a5a00; --pf-warn-bg: #fdf0cf;
  --pf-bad: #b3261e; --pf-bad-bg: #fbe0de; --pf-shadow: 0 1px 3px rgba(0,0,0,.12);
}
@media (prefers-color-scheme: dark) {
  :root {
    --pf-bg: #12171d; --pf-surface: #1b232c; --pf-text: #e6ebf0; --pf-muted: #9aa8b6;
    --pf-border: #2f3b47; --pf-accent: #4aa3d4; --pf-accent-text: #0b1218;
    --pf-ok: #7fd49a; --pf-ok-bg: #1b3326; --pf-warn: #f0c46a; --pf-warn-bg: #3a2f14;
    --pf-bad: #f0928c; --pf-bad-bg: #3d1f1d; --pf-shadow: 0 1px 3px rgba(0,0,0,.5);
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--pf-bg); color: var(--pf-text); font: 15px/1.45 system-ui, sans-serif; }
.pf-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 20px;
  background: var(--pf-surface); border-bottom: 1px solid var(--pf-border); }
.pf-logout { display: flex; align-items: center; gap: 10px; margin: 0; color: var(--pf-muted); }
.pf-main { max-width: 1100px; margin: 0 auto; padding: 20px; }
.pf-card { background: var(--pf-surface); border: 1px solid var(--pf-border); border-radius: 8px; padding: 20px; box-shadow: var(--pf-shadow); }
.pf-login { max-width: 380px; margin: 8vh auto 0; display: flex; flex-direction: column; gap: 14px; }
.pf-login h1 { margin: 0; font-size: 1.4rem; }
label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; color: var(--pf-muted); }
input, select { font: inherit; padding: 8px 10px; border: 1px solid var(--pf-border); border-radius: 6px;
  background: var(--pf-bg); color: var(--pf-text); }
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--pf-accent); outline-offset: 1px; }
select:not(:disabled) { cursor: pointer; }
button:not(:disabled) { cursor: pointer; }
button:disabled { opacity: .55; cursor: default; }
.pf-btn { font: inherit; font-weight: 600; padding: 8px 16px; border: 1px solid var(--pf-accent); border-radius: 6px;
  background: var(--pf-accent); color: var(--pf-accent-text); }
.pf-btn-ghost { background: transparent; color: var(--pf-text); border-color: var(--pf-border); font-weight: 400; padding: 4px 12px; }
.pf-btn-danger { background: var(--pf-bad); border-color: var(--pf-bad); color: var(--pf-surface); }
.pf-error { margin: 0; padding: 8px 10px; border-radius: 6px; background: var(--pf-bad-bg); color: var(--pf-bad); }
.pf-table { width: 100%; border-collapse: collapse; background: var(--pf-surface); }
.pf-table th, .pf-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--pf-border); }
.pf-table th { color: var(--pf-muted); font-weight: 600; font-size: .85rem; }
.pf-badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: .8rem; font-weight: 600; }
.pf-badge-ok { background: var(--pf-ok-bg); color: var(--pf-ok); }
.pf-badge-warn { background: var(--pf-warn-bg); color: var(--pf-warn); }
.pf-badge-bad { background: var(--pf-bad-bg); color: var(--pf-bad); }
.pf-modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: flex; align-items: center; justify-content: center; z-index: 50; }
.pf-modal { background: var(--pf-surface); color: var(--pf-text); border: 1px solid var(--pf-border); border-radius: 8px;
  padding: 20px; width: min(520px, 92vw); max-height: 86vh; overflow: auto; box-shadow: var(--pf-shadow); }
@media (max-width: 640px) { .pf-main { padding: 12px; } .pf-top { padding: 8px 12px; } }
.pf-modal h2 { margin: 0 0 12px; font-size: 1.15rem; }
.pf-modal-body { display: flex; flex-direction: column; gap: 10px; }
.pf-modal-error { margin-top: 10px; }
.pf-modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.pf-output { margin: 0; padding: 10px; max-height: 40vh; overflow: auto; white-space: pre-wrap; word-break: break-word;
  background: var(--pf-bg); border: 1px solid var(--pf-border); border-radius: 6px; font-size: .8rem; }
.pf-secret { font-size: 1.05rem; font-weight: 700; user-select: all; word-break: break-all; }
.pf-hosts { margin: 0; padding-left: 18px; }
.pf-actions { white-space: nowrap; }
.pf-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.pf-toolbar h1 { margin: 0; font-size: 1.3rem; }
.pf-toolbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.pf-results { margin: 12px 0; padding: 10px; background: var(--pf-surface); border: 1px solid var(--pf-border); border-radius: 6px; }
.pf-results p { margin: 2px 0; }
textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--pf-border); border-radius: 6px; background: var(--pf-bg); color: var(--pf-text); }