.tcced-roi { border: 1px solid #e5e7eb; padding: 1rem; border-radius: 0.5rem; }
.tcced-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.75rem; margin-bottom: 0.75rem; }
.tcced-roi label { display: flex; flex-direction: column; font-size: 14px; gap: 0.25rem; }
.tcced-roi input[type="number"], .tcced-roi input[type="text"], .tcced-roi input[type="email"] { padding: 0.5rem; border: 1px solid #d1d5db; border-radius: 4px; }
.tcced-btn { background: #2563eb; color: #fff; border: none; padding: 0.6rem 1rem; border-radius: 4px; cursor: pointer; }
.tcced-btn:hover { background: #1d4ed8; }
.tcced-roi-results { margin-top: 1rem; background: #f9fafb; padding: 0.75rem; border-radius: 0.5rem; border: 1px solid #e5e7eb; }
.tcced-optional summary { cursor: pointer; font-weight: 600; margin-bottom: 0.25rem; }
.tcced-note { font-size: 12px; color: #6b7280; }