:root {
  --bg-1: #06131f;
  --bg-2: #102433;
  --panel: rgba(8, 21, 33, 0.84);
  --border: rgba(100, 171, 212, 0.32);
  --text: #e8f8ff;
  --muted: #9dc1d3;
  --accent: #3bf2ff;
  --ok: #27d87d;
  --down: #ff4961;
  --unknown: #96a2ad;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  background: radial-gradient(1200px 500px at 85% -10%, #1d4367 0%, transparent 55%),
              radial-gradient(1000px 700px at -10% 120%, #0f3951 0%, transparent 60%),
              linear-gradient(130deg, var(--bg-1), var(--bg-2));
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: rgba(4, 14, 23, 0.82);
  backdrop-filter: blur(8px);
}
.brand { font-weight: 700; letter-spacing: 0.03em; }
nav { display: flex; gap: 10px; align-items: center; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }

.page { max-width: 1300px; margin: 20px auto; padding: 0 20px 24px; }
.page-title { margin: 0; font-size: 1.9rem; }
.page-subtitle { margin: 8px 0 18px; color: var(--muted); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
}

.tool-card, .panel, .auth-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.26);
}

.card-head { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.tool-card h2 { margin: 0; font-size: 1rem; }
.tool-card p { color: var(--muted); line-height: 1.45; min-height: 84px; }

.status-badge {
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.8rem;
  font-family: "IBM Plex Mono", monospace;
}
.status-badge.up { color: var(--ok); border-color: color-mix(in srgb, var(--ok), transparent 45%); }
.status-badge.down { color: var(--down); border-color: color-mix(in srgb, var(--down), transparent 45%); }
.status-badge.unknown { color: var(--unknown); border-color: color-mix(in srgb, var(--unknown), transparent 50%); }

.btn {
  cursor: pointer;
  border: 1px solid #37dae6;
  background: linear-gradient(90deg, #1dbec8, #2ad6f4);
  color: #062033;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 700;
}
.btn.small { padding: 7px 10px; font-size: 0.85rem; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--border); }

.flash-wrap { max-width: 1300px; margin: 10px auto; padding: 0 20px; }
.flash { margin: 8px 0; padding: 10px 12px; border-radius: 10px; border: 1px solid; }
.flash.success { border-color: var(--ok); color: #d2ffe7; }
.flash.error { border-color: var(--down); color: #ffd9df; }

.auth-shell { display: grid; place-items: center; min-height: calc(100vh - 180px); }
.auth-card { width: min(430px, 100%); }
.form-grid { display: grid; gap: 12px; }
.form-grid.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: end; }
.form-grid.compact label:last-of-type, .form-grid.compact button { grid-column: auto; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 0.9rem; }
input, select {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 10px;
}

.panel { margin: 14px 0; overflow: auto; }
.panel h2 { margin: 0 0 10px; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}
th, td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.inline-form { display: flex; gap: 8px; align-items: center; }
.inline { display: inline; }

.icon-wrap {
  width: 62px;
  height: 62px;
  margin: 12px 0;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accent), transparent 40%);
  position: relative;
}
.icon-nodes::before,
.icon-nodes::after,
.icon-waves::before,
.icon-radar::before,
.icon-progress::before {
  content: "";
  position: absolute;
}
.icon-nodes::before { inset: 12px; border: 2px dashed var(--accent); border-radius: 50%; animation: spin 7s linear infinite; }
.icon-nodes::after { width: 10px; height: 10px; background: var(--accent); border-radius: 50%; left: 25px; top: 4px; }

.icon-waves::before { inset: 10px; border-radius: 50%; border: 2px solid var(--accent); animation: pulse 1.8s ease-out infinite; }
.icon-radar::before { inset: 3px; border-radius: 50%; background: conic-gradient(from 90deg, transparent 0%, rgba(59, 242, 255, .8) 20%, transparent 45%); animation: spin 2.4s linear infinite; }
.icon-progress::before { left: 10px; right: 10px; bottom: 15px; height: 8px; border-radius: 8px; background: linear-gradient(90deg, var(--accent), transparent); animation: sweep 1.8s ease-in-out infinite alternate; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  from { transform: scale(0.5); opacity: 0.8; }
  to { transform: scale(1.1); opacity: 0.1; }
}
@keyframes sweep { from { width: 18px; } to { width: 44px; } }