:root {
  --bg: #0b1020;
  --bg-soft: #111936;
  --card: #16213f;
  --text: #eef3ff;
  --muted: #95a3c7;
  --primary: #6c8cff;
  --secondary: #8b5cf6;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 18px;
  --font-family: "Manrope", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(
      circle at top left,
      color-mix(in srgb, var(--primary), transparent 75%),
      transparent 35%
    ),
    linear-gradient(135deg, var(--bg), var(--bg-soft));
  color: var(--text);
  font-family: var(--font-family);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: flex;
}

.sidebar {
  width: 280px;
  min-height: 100vh;
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--card), transparent 6%);
  border-right: 1px solid color-mix(in srgb, var(--muted), transparent 75%);
  padding: 1.25rem;
  transition: width 220ms ease;
}

.sidebar.compact {
  width: 92px;
}

.brand {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text);
  font-weight: 800;
}

.brand-text strong {
  display: block;
}

.brand-text span {
  color: var(--muted);
  font-size: 0.85rem;
}

.sidebar.compact .brand-text,
.sidebar.compact .nav-label {
  display: none;
}

.nav-list {
  display: grid;
  gap: 0.45rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 0.9rem;
  border-radius: calc(var(--radius) - 6px);
  color: var(--muted);
  transition: 180ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: color-mix(in srgb, var(--primary), transparent 82%);
}

.nav-icon {
  width: 1.25rem;
  text-align: center;
}

.main-content {
  width: 100%;
  padding: 2rem;
}

.page-header {
  margin-bottom: 1.5rem;
}

.eyebrow {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.page-title {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  margin: 0.35rem 0;
}

.page-subtitle {
  max-width: 850px;
  color: var(--muted);
  font-size: 1.05rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-panel {
  background: color-mix(in srgb, var(--card), transparent 8%);
  border: 1px solid color-mix(in srgb, var(--muted), transparent 78%);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 18px 40px color-mix(in srgb, var(--bg), transparent 45%);
}

.card-panel h2,
.card-panel h3,
.card-panel h4 {
  margin-top: 0;
}

.muted {
  color: var(--muted);
}

.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  background: color-mix(in srgb, var(--primary), transparent 84%);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
}

.btn-theme {
  border: 0;
  border-radius: calc(var(--radius) - 6px);
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
}

.btn-ghost {
  border: 1px solid color-mix(in srgb, var(--muted), transparent 70%);
  border-radius: calc(var(--radius) - 6px);
  padding: 0.75rem 1rem;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.form-control,
.form-select {
  background-color: color-mix(in srgb, var(--bg-soft), transparent 12%);
  border-color: color-mix(in srgb, var(--muted), transparent 70%);
  color: var(--text);
}

.form-control:focus,
.form-select:focus {
  background-color: color-mix(in srgb, var(--bg-soft), transparent 5%);
  color: var(--text);
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem color-mix(in srgb, var(--primary), transparent 78%);
}

.code-block,
pre {
  background: color-mix(in srgb, var(--bg), transparent 12%);
  border: 1px solid color-mix(in srgb, var(--muted), transparent 78%);
  border-radius: calc(var(--radius) - 6px);
  color: var(--text);
  padding: 1rem;
  overflow: auto;
}

code {
  color: var(--primary);
}

.status-message {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  max-width: 360px;
  z-index: 2000;
  border-radius: calc(var(--radius) - 6px);
  padding: 0.9rem 1rem;
  background: var(--card);
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--muted), transparent 70%);
  box-shadow: 0 18px 40px color-mix(in srgb, var(--bg), transparent 35%);
}

.transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--text);
  opacity: 1;
  pointer-events: all;
  transition: opacity 280ms ease;
}

.transition-overlay.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-box {
  display: grid;
  place-items: center;
  gap: 1rem;
  text-align: center;
}

.loader-ring {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: 4px solid color-mix(in srgb, var(--primary), transparent 70%);
  border-top-color: var(--primary);
  animation: spin 850ms linear infinite;
}

.loader-text {
  color: var(--muted);
  font-weight: 700;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 992px) {
  .app-shell {
    display: block;
  }

  .sidebar {
    width: 100%;
    min-height: auto;
    position: relative;
  }

  .sidebar.compact {
    width: 100%;
  }

  .sidebar.compact .brand-text,
  .sidebar.compact .nav-label {
    display: inline;
  }

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

  .main-content {
    padding: 1.25rem;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}