/* Light theme integration */
html[data-theme="light"] .register-layout-container {
  color: #0f172a;
}

html[data-theme="light"] .hud-box {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
}

html[data-theme="light"] .security-shield-container {
  background: #f8fafc;
  border-color: rgba(6, 182, 212, 0.15);
}

html[data-theme="light"] .highlight-item {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
}

html[data-theme="light"] .form-container-main {
  background: #ffffff;
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
}

html[data-theme="light"] .form-group-ms input {
  background: #f8fafc;
  border-color: rgba(0, 0, 0, 0.1);
  color: #0f172a;
}

html[data-theme="light"] .form-group-ms input:focus {
  background: #ffffff;
  border-color: var(--accent-cyan);
}

html[data-theme="light"] .hl-bullet {
  background: #f1f5f9;
}

/* ─── Light theme overrides for new panels ─────────── */
html[data-theme="light"] .device-hud-panel {
  background: #fff;
  border-color: rgba(0, 0, 0, 0.08);
}
html[data-theme="light"] .enroll-track-item {
  background: #fff;
  border-color: rgba(0, 0, 0, 0.08);
}

/* ─── Underage Section ──────────────────────────────── */
.underage-section {
  margin-bottom: 32px;
  padding: 20px;
  border: 1px solid var(--grid-line-color);
  background: rgba(245, 158, 11, 0.03);
  border-color: rgba(245, 158, 11, 0.2);
  transition: background 0.25s ease;
}

.underage-section:hover {
  background: rgba(245, 158, 11, 0.05);
}

.underage-info-panel {
  margin-top: 16px;
  padding: 16px;
  border: 1px dashed rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.02);
  animation: fadeIn 0.25s ease;
}

.underage-alert {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: bold;
  color: #f59e0b;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.underage-info-panel p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.underage-info-panel .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #f59e0b;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
  margin-bottom: 10px;
}

.underage-info-panel .btn:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: #f59e0b;
}

.underage-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
}

.consent-upload-section {
  border-left: 2px solid #f59e0b;
  padding-left: 16px;
  margin-top: 10px;
  transition: border-color 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

html[data-theme="light"] .underage-section {
  background: rgba(245, 158, 11, 0.02);
  border-color: rgba(245, 158, 11, 0.15);
}

html[data-theme="light"] .underage-info-panel {
  background: rgba(245, 158, 11, 0.01);
}

html[data-theme="light"] .consent-upload-section {
  border-left-color: #d97706;
}