:root {
  color-scheme: dark;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.22), transparent 34%),
    radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.18), transparent 32%),
    linear-gradient(135deg, #0f172a 0%, #16243c 48%, #124e4a 100%);
}

body {
  font-family: "DM Sans", sans-serif;
}

#root {
  min-height: 100vh;
}

.app-boot {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.app-boot__card {
  width: min(100%, 320px);
  border-radius: 28px;
  padding: 28px 24px;
  text-align: center;
  background: rgba(15, 23, 42, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 60px rgba(15, 23, 42, 0.32);
  backdrop-filter: blur(14px);
}

.app-boot__logo-wrap {
  width: 116px;
  height: 116px;
  margin: 0 auto 18px;
  padding: 16px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  box-sizing: border-box;
}

.app-boot__logo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.app-boot__title {
  margin: 0;
  color: #f8fafc;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.app-boot__subtitle {
  margin: 8px 0 0;
  color: rgba(226, 232, 240, 0.86);
  font-size: 0.95rem;
}

.app-boot__spinner {
  width: 28px;
  height: 28px;
  margin: 20px auto 0;
  border-radius: 999px;
  border: 3px solid rgba(148, 163, 184, 0.28);
  border-top-color: #f8fafc;
  animation: app-boot-spin 0.9s linear infinite;
}

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