:root {
  /* Palette */
  --indigo: #4f46e5;
  --indigo-light: #6366f1;
  --indigo-lighter: #e7e7fb;
  --indigo-dark: #4338ca;
  --indigo-darker: #3730a3;
  --blue: #3949ab;
  --deep-blue: #052767;
  --purple: #7c3aed;
  --deep-purple: #3a0647;
  --pale-yellow: #ffffe0;
  --offwhite: #f5f5fb;
  --lavender: #eef0f8;
  --white: #ffffff;
  --navy: #33356b;
  --slate: #23243a;
  --gray: #6a6d84;
  --silver: #d9dbe6;
  --red: #d63031;
  --green: #2e9e5b;

  /* Semantic roles */
  --primary: var(--indigo);
  --primary-hover: var(--indigo-dark);
  --accent: var(--purple);
  --background: var(--offwhite);
  --surface: var(--white);
  --panel: var(--lavender);
  --foreground: var(--slate);
  --heading: var(--navy);
  --muted: var(--gray);
  --border: var(--silver);
  --destructive: var(--red);
  --success: var(--green);

  /* Radzen components read these */
  --rz-primary: var(--primary);
  --rz-primary-light: var(--indigo-light);
  --rz-primary-lighter: var(--indigo-lighter);
  --rz-primary-dark: var(--indigo-dark);
  --rz-primary-darker: var(--indigo-darker);
  --rz-secondary: var(--accent);
  --rz-text-color: var(--foreground);
  --rz-body-background-color: var(--background);
}

html,
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
}

a,
.btn-link {
  color: var(--primary);
}

a:hover,
.btn-link:hover {
  color: var(--primary-hover);
}

.btn-primary {
  color: var(--white);
  background-color: var(--primary);
  border-color: var(--primary-hover);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow:
    0 0 0 0.1rem var(--white),
    0 0 0 0.25rem var(--primary);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--heading);
}

.content {
  padding: 1.5rem;
}

h1:focus {
  outline: none;
}

.valid.modified:not([type="checkbox"]) {
  outline: 1px solid var(--success);
}

.invalid {
  outline: 1px solid var(--destructive);
}

.validation-message {
  color: var(--destructive);
}

.darker-border-checkbox.form-check-input {
  border-color: var(--gray);
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* Reserve the chart's footprint so the spinner occupies the same space and there's no layout shift
   when ApexCharts finishes drawing. Height mirrors the chart's Height="400". */
.chart-wrap {
  position: relative;
  min-height: 400px;
}

.chart-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.chart-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--indigo-lighter);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: chart-spin 0.7s linear infinite;
}

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