:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: rgba(11, 18, 32, 0.82);
  --panel-border: rgba(148, 163, 184, 0.18);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #7c3aed;
  --accent-2: #22d3ee;
  --success: #22c55e;
  --danger: #f87171;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(124, 58, 237, 0.28), transparent 32%),
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.20), transparent 26%),
    linear-gradient(180deg, #020617 0%, var(--bg) 100%);
}

.shell {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3rem 0 4rem;
}

.narrow { width: min(720px, calc(100% - 2rem)); }

.card {
  backdrop-filter: blur(20px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

.hero { margin-bottom: 1.5rem; }
.form-card { padding-top: 1.5rem; }
.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--accent-2);
}
h1, h2 { margin-top: 0; }
.lede { color: var(--muted); max-width: 72ch; }
.highlights {
  margin: 1.25rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}
.grid {
  display: grid;
  gap: 1rem;
}
.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
label, .signup-form { display: grid; gap: 0.55rem; }
label span { font-weight: 600; }
input, select, textarea, button, .button-link {
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.8);
  color: var(--text);
  padding: 0.95rem 1rem;
  font: inherit;
}
textarea { resize: vertical; min-height: 140px; }
button, .button-link {
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
}
.checkbox-row {
  grid-template-columns: auto 1fr;
  align-items: start;
}
.checkbox-row input {
  margin-top: 0.25rem;
  padding: 0;
}
.alerts { margin-bottom: 1rem; }
.alert {
  margin-bottom: 0.75rem;
  padding: 0.9rem 1rem;
  border-radius: 14px;
}
.alert.error {
  background: rgba(248, 113, 113, 0.12);
  color: #fecaca;
  border: 1px solid rgba(248, 113, 113, 0.24);
}
.alert.success {
  background: rgba(34, 197, 94, 0.12);
  color: #bbf7d0;
  border: 1px solid rgba(34, 197, 94, 0.24);
}
.alert.warning {
  background: rgba(250, 204, 21, 0.1);
  color: #fde68a;
  border: 1px solid rgba(250, 204, 21, 0.24);
}
.success-card { text-align: center; }
.applications-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
.application-card dl {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 0.55rem 1rem;
  margin: 0;
}
.application-card dt { color: var(--muted); }
.application-card dd { margin: 0; }
.app-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}
.pill {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.14);
  color: #cbd5e1;
  font-size: 0.9rem;
}
.pill.approved {
  background: rgba(34, 197, 94, 0.14);
  color: #bbf7d0;
}
.stack-gap { margin-top: 1rem; }
.approval-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}
button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}
code {
  padding: 0.15rem 0.35rem;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.9);
}

@media (max-width: 720px) {
  .two-up, .application-card dl { grid-template-columns: 1fr; }
  .card { padding: 1.25rem; }
  .shell { width: min(100% - 1rem, 1100px); padding-top: 1rem; }
}