:root {
  --bg: #080808;
  --surface: #111111;
  --surface-raised: #161616;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f5f5;
  --text-secondary: #9a9a9a;
  --text-tertiary: #6b6b6b;
  --accent: #f5f5f5;
  --ok: #6ee7b7;
  --warn: #fbbf24;
  --danger: #f87171;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.22,1,.36,1);
  --ease-soft: cubic-bezier(.16,1,.3,1);
}

* { box-sizing: border-box; }

html, body {
  background: var(--bg);
  margin: 0;
  min-height: 100%;
}

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, rgba(255,255,255,0.05), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

a { color: inherit; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand .dot { color: var(--text-secondary); }

.header-actions form { margin: 0; }

.portal-nav {
  display: flex;
  gap: 4px;
  padding-bottom: 14px;
  flex-wrap: wrap;
}

.portal-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.portal-nav a:hover { color: var(--text); }

.portal-nav a.active {
  background: var(--surface-raised);
  color: var(--text);
  animation: navActiveIn 0.35s var(--ease-soft) both;
}

@keyframes navActiveIn {
  from { transform: scale(0.94); }
  to { transform: scale(1); }
}

main.page {
  padding: 56px 0 80px;
  min-height: calc(100vh - 200px);
  animation: pageFadeIn 0.55s var(--ease-soft) both;
}

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-title {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.page-lead {
  color: var(--text-secondary);
  margin: 0 0 32px;
  max-width: 560px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 16px 40px -24px rgba(0, 0, 0, 0.7);
}

.card + .card { margin-top: 20px; }

.auth-shell {
  max-width: 420px;
  margin: 60px auto;
  padding: 0 24px;
}

.auth-shell .brand {
  display: block;
  text-align: center;
  margin-bottom: 28px;
  font-size: 1.2rem;
}

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.field input, .field select {
  width: 100%;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.98rem;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--border-strong);
}

.field textarea {
  width: 100%;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.98rem;
  font-family: inherit;
  resize: vertical;
  transition: border-color 0.2s ease;
}

.field textarea:focus {
  outline: none;
  border-color: var(--border-strong);
}

.field label input[type="checkbox"] { margin-right: 8px; }

.field-hint { font-size: 0.8rem; color: var(--text-tertiary); margin-top: 6px; }
.field-error { font-size: 0.8rem; color: var(--danger); margin-top: 6px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
}

.form-grid .field-full { grid-column: 1 / -1; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn:hover { opacity: 0.88; transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.97); }

.btn-primary { background: var(--text); color: #080808; }
.btn-primary:hover { box-shadow: 0 10px 28px -14px rgba(255, 255, 255, 0.35); }

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-block { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

.btn.is-loading { opacity: 0.6; cursor: progress; pointer-events: none; }

.status-banner,
.error-banner {
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 24px;
  font-size: 0.92rem;
  animation: toastIn 0.4s var(--ease-soft) both;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.status-banner.is-leaving,
.error-banner.is-leaving {
  opacity: 0;
  transform: translateY(-8px);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.status-banner {
  background: rgba(110, 231, 183, 0.1);
  border: 1px solid rgba(110, 231, 183, 0.3);
  color: var(--ok);
}

.error-banner {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--danger);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.pill::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

.pill-ok { color: var(--ok); border-color: rgba(110, 231, 183, 0.35); }
.pill-warn { color: var(--warn); border-color: rgba(251, 191, 36, 0.35); }
.pill-off { color: var(--text-tertiary); }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.data-table th, .data-table td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.data-table tr:last-child td { border-bottom: none; }

.text-muted { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }

.row-actions { display: flex; gap: 10px; align-items: center; }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.empty-state {
  color: var(--text-secondary);
  text-align: center;
  padding: 40px 20px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
  animation: pageFadeIn 0.55s var(--ease-soft) both;
}

.stat-card:nth-child(2) { animation-delay: 0.06s; }
.stat-card:nth-child(3) { animation-delay: 0.12s; }

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.stat-value {
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.gauge-row {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}

.gauge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.gauge-ring {
  width: 76px;
  height: 76px;
  transform: rotate(-90deg);
}

.gauge-track {
  fill: none;
  stroke: var(--border);
  stroke-width: 6;
}

.gauge-value {
  fill: none;
  stroke-width: 6;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.1s var(--ease-soft);
}

.gauge-ok .gauge-value { stroke: var(--ok); }
.gauge-warn .gauge-value { stroke: var(--warn); }
.gauge-off .gauge-value { stroke: var(--text-tertiary); }

.gauge-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 100px;
}

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: stretch; }
  .stat-grid { grid-template-columns: 1fr; }
  .gauge-row { justify-content: space-around; }
}