:root {
  --abh-accent: #6d5efc;
  --abh-accent-dark: #5546f0;
  --abh-text: #111827;
  --abh-muted: #6b7280;
  --abh-border: #e5e7eb;
  --abh-bg: #f8fafc;
}

.abh-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(109,94,252,.22), transparent 28%),
    radial-gradient(circle at bottom right, rgba(34,197,94,.16), transparent 30%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 48%, #f8fafc 48%, #f8fafc 100%);
  padding: 40px 18px;
}

.abh-hero {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 34px;
  align-items: center;
}

.abh-copy {
  color: #fff;
}

.abh-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.14);
  font-size: 13px;
  letter-spacing: .02em;
  margin-bottom: 18px;
}

.abh-copy h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.02;
  margin: 0 0 18px;
  color: #fff;
}

.abh-copy p {
  font-size: 18px;
  line-height: 1.7;
  max-width: 620px;
  color: rgba(255,255,255,.82);
  margin: 0 0 24px;
}

.abh-copy ul {
  padding: 0;
  margin: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.abh-copy li {
  padding-left: 30px;
  position: relative;
  color: rgba(255,255,255,.88);
  font-size: 16px;
}

.abh-copy li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #86efac;
  font-weight: 700;
}

.abh-card-wrap {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.72);
  box-shadow: 0 32px 90px rgba(15, 23, 42, .18);
  padding: 28px;
  border-radius: 28px;
}

.abh-notice {
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 16px;
  font-weight: 600;
}

.abh-notice.success { background: #ecfdf5; color: #166534; }
.abh-notice.error { background: #fef2f2; color: #991b1b; }

.abh-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: #eef2ff;
  border-radius: 18px;
  padding: 6px;
  margin-bottom: 18px;
}

.abh-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: #4338ca;
  padding: 13px 12px;
  border-radius: 14px;
  font-weight: 700;
  cursor: pointer;
}

.abh-tab.active {
  background: #fff;
  box-shadow: 0 8px 20px rgba(79, 70, 229, .12);
}

.abh-panel { display: none; }
.abh-panel.active { display: block; }

.abh-panel h2 {
  margin: 0 0 8px;
  color: var(--abh-text);
  font-size: 28px;
}

.abh-panel p {
  margin: 0 0 20px;
  color: var(--abh-muted);
}

.abh-form { display: grid; gap: 16px; }

.abh-segmented {
  display: flex;
  gap: 10px;
  background: var(--abh-bg);
  padding: 6px;
  border-radius: 18px;
}

.abh-segmented label {
  flex: 1;
  cursor: pointer;
}

.abh-segmented input { display: none; }

.abh-segmented span {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 50px;
  border-radius: 14px;
  font-weight: 700;
  color: #475569;
  transition: .2s ease;
}

.abh-segmented input:checked + span {
  background: #fff;
  color: var(--abh-accent-dark);
  box-shadow: 0 10px 20px rgba(109,94,252,.14);
}

.abh-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.abh-grid label {
  display: grid;
  gap: 8px;
}

.abh-grid span {
  font-size: 14px;
  font-weight: 700;
  color: #334155;
}

.abh-grid input {
  width: 100%;
  min-height: 54px;
  border-radius: 16px;
  border: 1px solid var(--abh-border);
  padding: 0 16px;
  font-size: 15px;
  background: #fff;
  box-sizing: border-box;
}

.abh-grid input:focus {
  outline: none;
  border-color: var(--abh-accent);
  box-shadow: 0 0 0 4px rgba(109,94,252,.12);
}

.abh-full { grid-column: 1 / -1; }

.abh-btn {
  appearance: none;
  border: 0;
  min-height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--abh-accent), var(--abh-accent-dark));
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 18px 34px rgba(109,94,252,.3);
}

.abh-brand-only.is-hidden {
  display: none !important;
}

.abh-admin-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 240px));
  gap: 16px;
  margin: 22px 0;
}

.abh-admin-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 8px 22px rgba(15,23,42,.06);
}

.abh-admin-card strong {
  display: block;
  font-size: 32px;
  margin-bottom: 8px;
}

.abh-admin-card span {
  color: #64748b;
}

@media (max-width: 960px) {
  .abh-hero { grid-template-columns: 1fr; }
  .abh-copy { order: 2; }
}

@media (max-width: 640px) {
  .abh-shell { padding: 18px 10px; }
  .abh-card-wrap { padding: 18px; border-radius: 20px; }
  .abh-grid { grid-template-columns: 1fr; }
  .abh-panel h2 { font-size: 24px; }
  .abh-copy h1 { font-size: 34px; }
  .abh-copy p { font-size: 16px; }
}