/* ─── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #f5f6fa;
  --bg2:       #ffffff;
  --bg3:       #f0f2f7;
  --border:    #e2e5ee;
  --accent:    #3b6ef6;
  --accent-h:  #2955d4;
  --green:     #16a34a;
  --green-bg:  #dcfce7;
  --red:       #dc2626;
  --red-bg:    #fee2e2;
  --yellow:    #d97706;
  --yellow-bg: #fef3c7;
  --text:      #111827;
  --text-muted:#6b7280;
  --shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --sidebar-w: 220px;
  --radius:    10px;
  --font:      'Inter', system-ui, -apple-system, sans-serif;
  --mono:      'JetBrains Mono', 'Fira Code', monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* ─── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 10;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.sidebar-logo svg { color: var(--accent); flex-shrink: 0; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  padding: 12px 10px;
  gap: 2px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.sidebar-nav a:hover  { background: var(--bg3); color: var(--text); }
.sidebar-nav a.active { background: #eff4ff; color: var(--accent); }
.sidebar-nav a.active svg { color: var(--accent); }

/* ─── Layout ────────────────────────────────────────────────── */
.layout { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; }
main { padding: 28px 32px; flex: 1; max-width: 1400px; width: 100%; }

/* ─── Page header ───────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
}

.page-header h2 { font-size: 22px; font-weight: 700; color: var(--text); }

.meta-line { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }

.meta-tag {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--mono);
}

/* ─── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}

.card h3 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 14px; }

/* ─── Alerts ─────────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 13.5px;
  gap: 12px;
  border: 1px solid transparent;
}

.alert button { background: none; border: none; cursor: pointer; color: inherit; opacity: 0.5; font-size: 14px; padding: 0; }

.alert.ok    { background: var(--green-bg); color: #15803d; border-color: #bbf7d0; }
.alert.error { background: var(--red-bg);   color: #b91c1c; border-color: #fecaca; }
.alert.info  { background: #eff6ff;         color: #1d4ed8; border-color: #bfdbfe; }

/* ─── Table ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }

thead th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  background: var(--bg3);
}

thead th:first-child { border-radius: 6px 0 0 6px; }
thead th:last-child  { border-radius: 0 6px 6px 0; }

tbody td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fafbff; }
tbody tr.row-disabled td { opacity: 0.45; }

.peer-name  { font-weight: 600; color: var(--text); }
.mono-sm    { font-family: var(--mono); font-size: 12px; }
.text-muted { color: var(--text-muted); }

.pubkey { font-family: var(--mono); font-size: 11px; color: var(--text-muted); cursor: default; }

.empty { text-align: center; padding: 40px !important; color: var(--text-muted); }
.empty a { color: var(--accent); text-decoration: none; }

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

.dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; flex-shrink: 0; }

.badge.online  { background: var(--green-bg); color: var(--green); }
.badge.online  .dot { background: var(--green); box-shadow: 0 0 4px var(--green); }
.badge.offline { background: var(--bg3); color: var(--text-muted); }
.badge.offline .dot { background: #9ca3af; }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
  white-space: nowrap;
  font-family: var(--font);
  line-height: 1;
  box-shadow: var(--shadow);
}

.btn:hover { background: var(--bg3); border-color: #c4cad8; }

.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 1px 3px rgba(59,110,246,.3); }
.btn-primary:hover { background: var(--accent-h); border-color: var(--accent-h); }

.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 6px; box-shadow: none; }

.btn-danger { background: var(--red-bg); border-color: #fca5a5; color: var(--red); box-shadow: none; }
.btn-danger:hover { background: #fecaca; border-color: #f87171; }

.btn-warn { background: var(--yellow-bg); border-color: #fcd34d; color: var(--yellow); box-shadow: none; }
.btn-warn:hover { background: #fde68a; }

.btn-ok { background: var(--green-bg); border-color: #86efac; color: var(--green); box-shadow: none; }
.btn-ok:hover { background: #bbf7d0; }

.actions { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }

/* ─── Forms ──────────────────────────────────────────────────── */
.form-card { max-width: 540px; }

.form-group { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }

.form-group label { font-size: 13px; font-weight: 600; color: var(--text); }

.form-group input[type="text"] {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 12px;
  font-size: 13.5px;
  color: var(--text);
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow);
}

.form-group input[type="text"]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,110,246,.12); }
.form-group input[type="text"]::placeholder { color: #9ca3af; }
.form-group small { font-size: 12px; color: var(--text-muted); }

.radio-group { display: flex; flex-direction: column; gap: 8px; }
.radio-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13.5px; color: var(--text); }
.radio-label input[type="radio"] { accent-color: var(--accent); }

.form-actions { display: flex; gap: 8px; margin-top: 24px; }

/* ─── Peer detail ────────────────────────────────────────────── */
.peer-detail-grid { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; }
@media (max-width: 768px) { .peer-detail-grid { grid-template-columns: 1fr; } }

.qr-card { text-align: center; width: fit-content; }

.qr-img {
  width: 220px;
  height: 220px;
  border-radius: 8px;
  display: block;
  margin: 0 auto 10px;
  border: 1px solid var(--border);
}

.conf-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.conf-header h3 { margin-bottom: 0; }

.conf-block {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: #1e40af;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}

.pubkey-block { margin-top: 14px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pubkey-block .label { font-size: 12px; color: var(--text-muted); }

/* ─── Scripts ────────────────────────────────────────────────── */
.script-list { display: flex; flex-direction: column; gap: 14px; }
.script-item { display: flex; flex-direction: column; gap: 6px; }

.script-label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.script-cmd-wrap { display: flex; align-items: flex-start; gap: 8px; }

.script-cmd {
  flex: 1;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: #1e40af;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.6;
}

.path-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }

.path-list li {
  padding: 7px 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 12.5px;
  font-family: var(--mono);
}