/* Статическая панель PVPN. Без сборки: обычный CSS. */
:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --info: #0891b2;
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
}

a { color: #60a5fa; text-decoration: none; }
a:hover { text-decoration: underline; }

code, .json, pre { font-family: var(--mono); }

h1 { font-size: 1.4rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 1.6rem 0 0.6rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }

/* top bar */
.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; color: var(--text); white-space: nowrap; }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.nav a {
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius);
  color: var(--muted);
}
.nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--primary); color: #fff; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }
.operator { color: var(--muted); font-size: 0.9rem; }

/* layout */
.content { flex: 1; width: 100%; max-width: 1200px; margin: 0 auto; padding: 1.5rem; }
.footer { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 1rem; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.head-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* cards & forms */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  margin-bottom: 1.2rem;
}
.card-narrow { max-width: 420px; margin: 3rem auto; }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.stack > label, .grid-2 > label { display: flex; flex-direction: column; gap: 0.3rem; }
label > span { font-weight: 600; font-size: 0.9rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-actions { display: flex; gap: 0.6rem; margin-top: 0.5rem; flex-wrap: wrap; }
.checkbox { flex-direction: row; align-items: center; gap: 0.5rem; }
.checkbox input { width: auto; }
.radio-row { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.radio-row label { flex-direction: row; align-items: center; gap: 0.4rem; }

input[type="text"], input[type="password"], input[type="email"], input[type="number"],
input[type="datetime-local"], select, textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
input[readonly] { opacity: 0.7; }
textarea { resize: vertical; min-height: 6rem; }

.hint { color: var(--muted); font-weight: 400; font-size: 0.8rem; font-style: normal; }
.field-error { color: #fca5a5; font-size: 0.85rem; font-style: normal; }

/* buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.button:hover { text-decoration: none; border-color: var(--muted); }
.button.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.button.primary:hover { background: var(--primary-hover); }
.button.danger { background: transparent; border-color: var(--danger); color: #fca5a5; }
.button.danger:hover { background: var(--danger); color: #fff; }
.button.small { padding: 0.3rem 0.6rem; font-size: 0.85rem; }
.button:disabled { opacity: 0.5; cursor: not-allowed; }
.link-button {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  padding: 0;
}
.link-button:hover { color: var(--text); text-decoration: underline; }
.inline { display: inline; }

/* filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: flex-end;
  padding: 1rem;
  margin-bottom: 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.filters > label { display: flex; flex-direction: column; gap: 0.3rem; min-width: 150px; }
.filters > .button { align-self: flex-end; }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
thead th { background: var(--surface-2); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface-2); }
.row-actions { text-align: right; }

table.kv { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table.kv th { width: 240px; background: var(--surface-2); color: var(--muted); font-weight: 600; white-space: normal; }
table.kv td { white-space: normal; word-break: break-word; }

/* badges */
.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-success { background: rgba(22, 163, 74, 0.18); color: #4ade80; border-color: rgba(22, 163, 74, 0.4); }
.badge-warning { background: rgba(217, 119, 6, 0.18); color: #fbbf24; border-color: rgba(217, 119, 6, 0.4); }
.badge-danger { background: rgba(220, 38, 38, 0.18); color: #f87171; border-color: rgba(220, 38, 38, 0.4); }
.badge-muted { background: var(--surface-2); color: var(--muted); border-color: var(--border); }

/* flash */
.flash {
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.2rem;
  border: 1px solid;
}
.flash-success { background: rgba(22, 163, 74, 0.15); border-color: rgba(22, 163, 74, 0.5); }
.flash-error { background: rgba(220, 38, 38, 0.15); border-color: rgba(220, 38, 38, 0.5); }
.flash-info { background: rgba(8, 145, 178, 0.15); border-color: rgba(8, 145, 178, 0.5); }

/* misc */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}
.pagination-buttons { display: flex; gap: 0.5rem; }
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 2rem; text-align: center; border: 1px dashed var(--border); border-radius: var(--radius); }
.error-text { color: #fca5a5; }
.json {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 0.6rem 0 0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.85rem;
}
.json-details summary { cursor: pointer; color: var(--muted); }
.json-details { margin-top: 0.8rem; }

@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
  table.kv th { width: auto; }
  .topbar { gap: 0.75rem; }
  .operator { display: none; }
}