:root {
  color-scheme: dark;
  --alum-page-bg: #040510;
  --alum-radial-1: rgba(88, 132, 255, 0.22);
  --alum-radial-2: rgba(48, 196, 255, 0.16);
  --alum-radial-3: rgba(60, 120, 235, 0.14);
  --alum-card-surface: var(--surface-gradient-primary);
  --alum-panel-surface: rgba(14, 20, 48, 0.82);
  --alum-border-soft: rgba(129, 140, 248, 0.22);
  --alum-border-strong: rgba(129, 140, 248, 0.45);
  --alum-shadow: 0 28px 54px rgba(5, 9, 24, 0.6);
  --alum-text-primary: #f8faff;
  --alum-text-secondary: rgba(232, 235, 255, 0.74);
  --alum-text-muted: rgba(232, 235, 255, 0.58);
  --alum-accent: #38bdf8;
  --alum-accent-soft: rgba(56, 189, 248, 0.18);
  --alum-alert: #f87171;
  --alum-table-border: rgba(232, 235, 255, 0.1);
}

body {
  color: var(--alum-text-secondary);
  background:
    radial-gradient(circle at 18% 16%, var(--alum-radial-1), transparent 60%),
    radial-gradient(circle at 82% 18%, var(--alum-radial-2), transparent 55%),
    radial-gradient(circle at 68% 84%, var(--alum-radial-3), transparent 60%),
    var(--alum-page-bg) !important;
  -webkit-font-smoothing: antialiased;
}

.alum-page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.75rem;
}

.alum-page .hero__overline {
  color: rgba(232, 235, 255, 0.68);
}

.alum-page .hero__lede {
  color: var(--alum-text-secondary);
}

.alum-page .card {
  margin: 0;
  border-radius: 24px;
  background: var(--alum-card-surface);
  border: 1px solid var(--alum-border-soft);
  box-shadow: var(--alum-shadow);
  backdrop-filter: blur(12px);
  color: var(--alum-text-secondary);
  padding: clamp(1.9rem, 3vw, 2.6rem);
  display: flex;
  flex-direction: column;
  gap: clamp(1.4rem, 2vw, 1.8rem);
}

.alum-card .card__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.2rem;
}

.alum-card .card__header h2 {
  margin: 0;
  color: var(--alum-text-primary);
  font-size: clamp(1.5rem, 1.2vw + 1rem, 1.9rem);
}

.alum-card .card__header p {
  margin: 0.35rem 0 0;
  color: var(--alum-text-muted);
}

.alum-card .card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alum-card__content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.alum-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.alum-strength-callout {
  border-radius: 22px;
  padding: 1.5rem 1.75rem;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.3), rgba(14, 116, 144, 0.2));
  border: 1px solid rgba(56, 189, 248, 0.45);
  box-shadow: 0 20px 38px rgba(10, 18, 36, 0.45);
  display: grid;
  gap: 0.35rem;
  align-self: stretch;
}

.alum-strength-callout.is-alert {
  border-color: rgba(248, 113, 113, 0.65);
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.32), rgba(220, 38, 38, 0.18));
  box-shadow: 0 24px 46px rgba(110, 27, 27, 0.38);
}

.alum-strength-callout__label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(248, 250, 255, 0.78);
}

.alum-strength-callout__value {
  font-size: clamp(2.3rem, 2.6vw + 1rem, 2.9rem);
  font-weight: 700;
  color: #fdfdfd;
}

.alum-strength-callout__status {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(248, 250, 255, 0.78);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.alum-strength-callout__value.is-alert,
.alum-strength-callout__status.is-alert {
  color: var(--alum-alert);
}

.alum-strength-callout__status.is-alert::before {
  content: "!";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 999px;
  background: rgba(248, 113, 113, 0.2);
  color: var(--alum-alert);
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1;
}

.alum-reset-btn {
  border-radius: 999px !important;
  padding: 0.5rem 1.25rem !important;
  border: 1px solid rgba(129, 140, 248, 0.45) !important;
  background: rgba(129, 140, 248, 0.18) !important;
  color: var(--alum-text-primary) !important;
  font-weight: 600;
  transition: background 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.alum-reset-btn:hover,
.alum-reset-btn:focus-visible {
  background: rgba(129, 140, 248, 0.32) !important;
  border-color: rgba(129, 140, 248, 0.65) !important;
  box-shadow: 0 14px 28px rgba(99, 102, 241, 0.28);
  outline: none;
}

.alum-form {
  display: grid;
  gap: 1.4rem;
}

.alum-page .form-field {
  display: grid;
  gap: 0.5rem;
}

.alum-page .form-label {
  font-weight: 600;
  color: var(--alum-text-primary);
}

.alum-page .form-input {
  border: 1px solid var(--alum-border-soft);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  background: rgba(8, 12, 30, 0.78);
  color: var(--alum-text-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.alum-page .form-input::placeholder {
  color: rgba(232, 235, 255, 0.45);
}

.alum-page .form-input:focus {
  outline: none;
  border-color: var(--alum-border-strong);
  box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.35);
  background: rgba(10, 16, 38, 0.9);
}

.alum-page .form-help,
.alum-page .form-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--alum-text-muted);
  line-height: 1.5;
}

.alum-summary {
  flex: 1;
  padding: 1.5rem;
  border-radius: 18px;
  background: rgba(30, 164, 191, 0.08);
  border: 1px solid rgba(30, 164, 191, 0.25);
  color: var(--alum-text-secondary);
}

.alum-summary ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
  color: var(--alum-text-muted);
}

.alum-summary h3 {
  margin: 0 0 0.75rem;
  color: var(--alum-text-primary);
  font-size: 1.1rem;
}

.alum-results {
  display: grid;
  gap: 1.4rem;
}

.result-group {
  background: var(--alum-panel-surface);
  border: 1px solid var(--alum-border-soft);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.result-group h3 {
  margin: 0 0 0.9rem;
  color: var(--alum-text-primary);
  font-size: 1.05rem;
}

.result-group dl {
  margin: 0;
  display: grid;
  gap: 1rem;
}

.result-group dt {
  font-weight: 600;
  color: var(--alum-text-muted);
}

.result-group dd {
  margin: 0.2rem 0 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--alum-text-primary);
}

.result-group dd.is-alert {
  color: var(--alum-alert);
}

.min-note {
  margin-top: 1.25rem;
  font-size: 0.95rem;
  color: var(--alum-text-muted);
}

.min-note .is-alert {
  font-weight: 600;
  color: var(--alum-alert);
}

.reference-table-wrapper {
  margin-top: 1.5rem;
  overflow-x: auto;
  border-radius: 20px;
  border: 1px solid var(--alum-border-soft);
  background: rgba(12, 16, 36, 0.86);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.reference-table-wrapper table {
  width: 100%;
  border-collapse: collapse;
  min-width: 32rem;
  color: var(--alum-text-secondary);
}

.reference-table-wrapper thead th {
  background: rgba(99, 102, 241, 0.12);
  color: var(--alum-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.reference-table-wrapper th,
.reference-table-wrapper td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--alum-table-border);
}

.reference-table-wrapper tbody tr:hover {
  background: var(--alum-accent-soft);
}

.reference-table-wrapper tr.is-highlighted {
  background: rgba(56, 189, 248, 0.24);
  color: var(--alum-text-primary);
}

.loading-placeholder {
  text-align: center;
  font-style: italic;
  color: var(--alum-text-muted);
}

.reference-footer {
  margin-top: 1.4rem;
  font-size: 0.95rem;
  color: var(--alum-text-muted);
}

.reference-footer a {
  color: var(--alum-accent);
  text-decoration: none;
}

.reference-footer a:hover,
.reference-footer a:focus-visible {
  text-decoration: underline;
}

.page-footer {
  color: var(--alum-text-muted);
  text-align: center;
}

@media (min-width: 720px) {
  .alum-card__content {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.4rem;
  }

  .alum-inputs {
    flex: 2;
  }

  .alum-form {
    flex: 1;
  }

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

@media (max-width: 719px) {
  .alum-card .card__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .alum-card .card__meta {
    width: 100%;
    justify-content: flex-start;
  }

  .reference-table-wrapper table {
    min-width: 24rem;
  }
}

.global-nav__link,
.global-nav__dropdown-link {
  text-decoration: none;
}

.global-nav__link:hover,
.global-nav__link:focus-visible,
.global-nav__dropdown-link:hover,
.global-nav__dropdown-link:focus-visible {
  text-decoration: none;
}