:root {
  --bg: #071226;
  --panel: #0f1b34;
  --panel-2: #132140;
  --border: #1c3765;
  --text: #eff4ff;
  --muted: #9fb0cf;
  --primary: #4c82ff;
  --primary-strong: #2d66ea;
  --success: #1ec67d;
  --warning: #e3a125;
  --danger: #f06464;
  --info: #6ea4ff;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.24);
  --radius: 22px;
  --container: 1360px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(82, 127, 246, 0.12), transparent 28%),
    linear-gradient(180deg, #061224 0%, #071426 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.page { padding: 24px 0 48px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(7, 18, 38, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.brand-wrap { display: grid; gap: 4px; }
.brand {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.topbar-subtitle,
.muted { color: var(--muted); }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nav a {
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  transition: .18s ease;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.card,
.panel-card,
.side-card,
.hero-card,
.metric-card,
.performance-card {
  background: linear-gradient(180deg, rgba(19, 33, 64, 0.95) 0%, rgba(12, 24, 47, 0.98) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card, .panel-card { padding: 24px; }

.alert {
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 18px;
  border: 1px solid transparent;
}

.alert-success {
  color: #dbffee;
  background: rgba(30, 198, 125, 0.12);
  border-color: rgba(30, 198, 125, 0.35);
}

.alert-error {
  color: #ffd9d9;
  background: rgba(240, 100, 100, 0.12);
  border-color: rgba(240, 100, 100, 0.35);
}

.alert-info {
  color: #dfeaff;
  background: rgba(110, 164, 255, 0.12);
  border-color: rgba(110, 164, 255, 0.35);
}

.grid {
  display: grid;
  gap: 24px;
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid {
  display: grid;
  gap: 16px;
}

.form-grid label,
.block-label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

input, textarea, button {
  font: inherit;
}

input, textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(6, 16, 34, 0.9);
  color: var(--text);
  padding: 12px 14px;
  outline: none;
}

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 48px;
  border: 0;
  border-radius: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: .18s ease;
}

button:disabled,
.btn:disabled {
  cursor: not-allowed;
  opacity: .58;
}

.details { display: grid; gap: 14px; }
.details > div { display: grid; grid-template-columns: 170px 1fr; gap: 10px; }

.narrow { max-width: 520px; margin: 0 auto; }
.footer-text { margin-top: 18px; }

@media (max-width: 1080px) {
  .two-columns { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}