:root {
  --bg: #0b0f17;
  --bg-2: #101623;
  --panel: #141c2b;
  --panel-2: #1a2436;
  --border: #233047;
  --text: #e6edf7;
  --muted: #8b9bb4;
  --primary: #3b82f6;
  --primary-hover: #2f6fe0;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --purple: #a78bfa;
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: "Vazirmatn", "Segoe UI", Tahoma, Arial, sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

body {
  background: radial-gradient(1200px 600px at 85% -10%, #16233c 0%, var(--bg) 55%);
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

/* ---------- auth gate ---------- */

.auth-gate {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  z-index: 100;
}

.auth-card {
  width: min(360px, 92vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
}

.auth-logo { font-size: 40px; color: var(--primary); margin-bottom: 8px; }
.auth-card h1 { font-size: 18px; margin-bottom: 6px; }
.auth-card p { color: var(--muted); margin-bottom: 20px; }
.auth-card input {
  width: 100%;
  margin-bottom: 12px;
}
.auth-error { color: var(--red); margin-top: 10px; min-height: 18px; font-size: 12px; }

/* ---------- layout ---------- */

.app { max-width: 1180px; margin: 0 auto; padding: 0 20px 60px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.topbar-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
}

.brand-icon { color: var(--primary); font-size: 20px; }
.brand-sub { color: var(--muted); font-size: 11px; font-weight: 400; }

.tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.tab {
  background: none;
  border: none;
  color: var(--muted);
  padding: 12px 18px;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .15s;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-panel { display: none; animation: fadein .2s ease; }
.tab-panel.active { display: block; }

@keyframes fadein { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

/* ---------- panels ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.panel h3 { font-size: 15px; margin-bottom: 12px; }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.panel-head h3 { margin-bottom: 0; }

/* ---------- stat cards ---------- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
}

.stat-value { font-size: 32px; font-weight: 800; }
.stat-label { color: var(--muted); margin-top: 6px; }
.stat-green .stat-value { color: var(--green); }
.stat-blue .stat-value { color: var(--primary); }
.stat-purple .stat-value { color: var(--purple); }

.protocol-bars { display: flex; flex-direction: column; gap: 10px; }
.proto-row { display: flex; align-items: center; gap: 12px; }
.proto-name { width: 110px; color: var(--muted); }
.proto-bar-track { flex: 1; background: var(--panel-2); border-radius: 6px; height: 10px; overflow: hidden; }
.proto-bar { height: 100%; background: var(--primary); border-radius: 6px; }
.proto-count { width: 40px; text-align: left; font-weight: 700; }

/* ---------- forms ---------- */

input, textarea, select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: border-color .15s;
}

input:focus, textarea:focus, select:focus { border-color: var(--primary); }

textarea { width: 100%; resize: vertical; direction: ltr; text-align: left; }

input[type="url"], input[type="search"] { direction: ltr; text-align: left; }

.form-row { display: flex; align-items: center; gap: 14px; margin-top: 12px; flex-wrap: wrap; }
.form-grid { display: grid; grid-template-columns: 2fr 3fr auto; gap: 10px; }
.nodes-grid { grid-template-columns: 1fr 1.4fr 0.7fr 1.1fr 0.7fr auto; align-items: center; }
.form-grid.vertical { grid-template-columns: 1fr; gap: 12px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 12px; }

.inline-result { color: var(--muted); font-size: 12px; }
.inline-result.ok { color: var(--green); }
.inline-result.err { color: var(--red); }

/* ---------- buttons ---------- */

.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 16px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}

.btn:hover { border-color: var(--primary); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }

.btn-danger { color: var(--red); }
.btn-danger:hover { border-color: var(--red); background: rgba(239, 68, 68, .1); }

.btn-ghost { background: transparent; }
.btn-outline { background: transparent; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; }

/* ---------- tables ---------- */

.table-wrap { overflow-x: auto; }

.table { width: 100%; border-collapse: collapse; }

.table th {
  text-align: right;
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(35, 48, 71, .5);
  font-size: 13px;
  vertical-align: middle;
}

.table tr:hover td { background: rgba(59, 130, 246, .04); }

.col-check { width: 36px; }

.mono { font-family: "SF Mono", Consolas, monospace; direction: ltr; display: inline-block; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-blue { background: rgba(59, 130, 246, .15); color: var(--primary); }
.badge-green { background: rgba(34, 197, 94, .15); color: var(--green); }
.badge-red { background: rgba(239, 68, 68, .15); color: var(--red); }
.badge-gray { background: rgba(139, 155, 180, .15); color: var(--muted); }
.badge-purple { background: rgba(167, 139, 250, .15); color: var(--purple); }

.toggle {
  position: relative;
  width: 38px;
  height: 20px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: background .15s;
}

.toggle::after {
  content: "";
  position: absolute;
  top: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  background: var(--muted);
  border-radius: 50%;
  transition: all .15s;
}

.toggle.on { background: rgba(34, 197, 94, .25); border-color: var(--green); }
.toggle.on::after { background: var(--green); transform: translateX(-18px); }

.actions-cell { display: flex; gap: 6px; }

/* ---------- filters / bulk ---------- */

.filters { display: flex; gap: 8px; flex-wrap: wrap; }

.bulk-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(59, 130, 246, .08);
  border: 1px solid var(--primary);
  border-radius: 8px;
  padding: 8px 14px;
  margin-bottom: 12px;
  font-size: 13px;
}

/* ---------- load balancer cards ---------- */

.lb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }

.lb-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.lb-card h4 { font-size: 15px; margin-bottom: 4px; }
.lb-card .lb-url { color: var(--muted); font-size: 12px; direction: ltr; text-align: right; word-break: break-all; }

.lb-meta { display: flex; gap: 8px; margin: 12px 0; flex-wrap: wrap; }

.lb-token-box {
  background: var(--panel-2);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 12px 0;
}

.lb-token-label { font-size: 11px; color: var(--muted); margin-bottom: 4px; }

.code-line {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

.code-line code {
  flex: 1;
  direction: ltr;
  text-align: left;
  font-family: "SF Mono", Consolas, monospace;
  font-size: 12px;
  word-break: break-all;
  color: var(--green);
}

.lb-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }

.lb-stats {
  margin-top: 12px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  font-size: 12px;
}

.stats-counts { display: flex; gap: 12px; margin-bottom: 8px; }
.stats-entries { max-height: 140px; overflow-y: auto; direction: ltr; text-align: left; font-family: monospace; font-size: 11px; color: var(--muted); }

/* ---------- modal ---------- */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 14, .7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  backdrop-filter: blur(4px);
}

.modal-card {
  width: min(520px, 94vw);
  max-height: 88vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.modal-card h3 { margin-bottom: 16px; }

.modal-actions { display: flex; justify-content: flex-start; gap: 10px; margin-top: 20px; }

.json-details { margin-top: 16px; }
.json-details summary { color: var(--muted); cursor: pointer; font-size: 12px; }
.json-details pre {
  direction: ltr;
  text-align: left;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-top: 8px;
  font-size: 11px;
  max-height: 240px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ---------- toast ---------- */

.toast {
  position: fixed;
  bottom: 24px;
  right: 50%;
  transform: translateX(50%) translateY(80px);
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: var(--shadow);
  opacity: 0;
  transition: all .25s ease;
  z-index: 200;
  max-width: 90vw;
}

.toast.show { opacity: 1; transform: translateX(50%) translateY(0); }
.toast.success { border-color: var(--green); }
.toast.error { border-color: var(--red); }

.empty-row td { text-align: center; color: var(--muted); padding: 28px; }

/* ---------- LB outbound status table ---------- */

.outs-table td, .outs-table th { padding: 7px 10px; font-size: 12px; }

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
}

@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .panel-head { flex-direction: column; align-items: stretch; }
}