:root {
  --bg: #0b1020;
  --bg-2: #11172d;
  --panel: #151c36;
  --panel-2: #1b2342;
  --border: #232c52;
  --text: #e7ecff;
  --muted: #8a93b8;
  --primary: #6366f1;
  --primary-2: #818cf8;
  --success: #10b981;
  --warn: #f59e0b;
  --danger: #ef4444;
  --shadow: 0 12px 40px rgba(0,0,0,0.35);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(99,102,241,0.25), transparent 60%),
    radial-gradient(900px 500px at 110% 0%, rgba(16,185,129,0.18), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(11,16,32,0.75);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand h1 { margin: 0; font-size: 18px; letter-spacing: 0.2px; }
.brand p { margin: 2px 0 0; font-size: 12.5px; }
.logo {
  width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center; font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 6px 20px rgba(99,102,241,0.4);
}
.actions { display: flex; align-items: center; gap: 10px; }

.container {
  max-width: 1280px; margin: 0 auto;
  padding: 24px 28px 48px;
  display: flex; flex-direction: column; gap: 20px;
}

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 960px) {
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.card-head h2 { margin: 0; font-size: 15px; letter-spacing: 0.2px; }

.stat .stat-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.8px; }
.stat .stat-value { font-size: 26px; font-weight: 700; margin-top: 6px; }
.stat .stat-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.center { text-align: center; }

.pill {
  padding: 6px 12px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
}
.pill::before {
  content: ''; display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  margin-right: 8px; vertical-align: 1px; background: var(--muted);
}
.pill-active { color: #d1fae5; border-color: rgba(16,185,129,0.45); background: rgba(16,185,129,0.08); }
.pill-active::before { background: var(--success); box-shadow: 0 0 12px var(--success); }
.pill-inactive { color: #fee2e2; border-color: rgba(239,68,68,0.45); background: rgba(239,68,68,0.08); }
.pill-inactive::before { background: var(--danger); }
.pill-unknown::before { background: var(--warn); }

.btn {
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  padding: 9px 14px; border-radius: 10px; cursor: pointer; font-weight: 600;
  font-size: 13px; transition: transform .05s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { background: #232c52; }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-color: transparent; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-warn { background: rgba(245,158,11,0.15); border-color: rgba(245,158,11,0.45); color: #fde68a; }
.btn-danger { background: rgba(239,68,68,0.15); border-color: rgba(239,68,68,0.45); color: #fecaca; }
.btn-ghost { background: transparent; }

.control-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.info-list { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.info-list code { background: rgba(255,255,255,0.04); padding: 2px 8px; border-radius: 6px; }

.form { display: grid; gap: 10px; }
.form label { display: grid; gap: 6px; font-size: 13px; }
.form input {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: 10px; font-size: 13.5px; outline: none;
}
.form input:focus { border-color: var(--primary-2); box-shadow: 0 0 0 3px rgba(99,102,241,0.25); }

.table-wrap { overflow-x: auto; border-radius: 10px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table th, .data-table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { background: rgba(255,255,255,0.03); color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: rgba(99,102,241,0.06); }

.code-block {
  background: #0a0f22; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; margin: 0;
  max-height: 320px; overflow: auto;
  font-family: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  font-size: 12px; line-height: 1.55; color: #cbd5e1;
  white-space: pre-wrap; word-break: break-word;
}
.code-block.log { color: #b9e3c6; }

.footer {
  display: flex; justify-content: space-between; padding: 8px 4px 0;
  font-size: 12px;
}

.toast {
  position: fixed; right: 22px; bottom: 22px;
  padding: 12px 16px; border-radius: 10px;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  box-shadow: var(--shadow); opacity: 0; transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none; max-width: 360px; font-size: 13px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { border-color: rgba(16,185,129,0.6); }
.toast.error { border-color: rgba(239,68,68,0.6); }

.card-routing .head-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hint-box {
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.25);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.55;
  margin-bottom: 16px;
}
.hint-box code { background: rgba(0,0,0,0.25); padding: 1px 6px; border-radius: 4px; }
.routing-grid { align-items: start; }
.form-title { margin: 0 0 12px; font-size: 14px; font-weight: 600; }
.checkbox-row {
  display: flex; align-items: center; gap: 8px;
  flex-direction: row !important;
}
.checkbox-row input { width: auto; }
.code-block-sm { max-height: 140px; font-size: 11px; margin-top: 6px; }
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge-active { background: rgba(16,185,129,0.15); color: #6ee7b7; border: 1px solid rgba(16,185,129,0.4); }
.badge-inactive { background: rgba(239,68,68,0.12); color: #fca5a5; border: 1px solid rgba(239,68,68,0.35); }
.badge-disabled { background: rgba(138,147,184,0.12); color: var(--muted); border: 1px solid var(--border); }
.btn-group { display: flex; flex-wrap: wrap; gap: 6px; }

body.modal-open { overflow: hidden; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
}
.modal.is-open {
  display: flex !important;
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}
.modal-panel {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  max-height: min(90vh, 900px);
  overflow-y: auto;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.modal-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; margin-bottom: 14px;
}
.modal-head h2 { margin: 0; font-size: 16px; }
.modal-hint { margin-bottom: 14px; }
.modal-actions {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 4px;
}
.form-grid-tight { margin-bottom: 4px; }
.form-grid-tight .span-2 { grid-column: 1 / -1; }
.form select {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; border-radius: 10px; font-size: 13.5px; outline: none;
}
.form select:focus { border-color: var(--primary-2); box-shadow: 0 0 0 3px rgba(99,102,241,0.25); }

.dnat-port-rows { display: flex; flex-direction: column; gap: 8px; margin: 8px 0 10px; }
.dnat-port-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  align-items: end;
}
.dnat-port-row label { margin: 0; }
.dnat-port-row .btn { height: 38px; }
.dnat-section-title {
  margin: 12px 0 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.dnat-edit-banner {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 12px;
  display: none;
}
.dnat-edit-banner.show { display: block; }

.login-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}
.login-wrap { width: min(400px, 100%); }
.login-card { padding: 28px 24px; }
.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.login-brand h1 { margin: 0; font-size: 18px; }
.login-brand p { margin: 4px 0 0; font-size: 12.5px; }
.login-form { margin-top: 4px; }
.login-error {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  color: #fecaca;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
}
.btn-block { width: 100%; margin-top: 4px; }