.business-idea-generator {
    max-width: 1200px;
    margin: 2rem auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.big-header {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    text-align: center;
}

.big-header h2 {
    font-size: 2rem;
    margin: 0 0 0.5rem 0;
    color: #1a1a1a;
}

.big-header p {
    color: #666;
    margin: 0;
}

.big-selections {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .big-selections {
        grid-template-columns: 1fr 1fr;
    }
}

.big-section {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.big-section h3 {
    margin: 0 0 1rem 0;
    color: #1a1a1a;
}

.big-options {
    display: grid;
    gap: 0.75rem;
}

.big-option {
    padding: 1rem;
    border: 2px solid transparent;
    border-radius: 0.5rem;
    background: #f9fafb;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
}

.big-option:hover {
    border-color: #93c5fd;
}

.big-option.selected {
    background: #dbeafe;
    border-color: #3b82f6;
}

.big-option h4 {
    margin: 0 0 0.25rem 0;
    color: #1a1a1a;
}

.big-option p {
    margin: 0;
    font-size: 0.875rem;
    color: #666;
}

.big-generate {
    text-align: center;
    margin-bottom: 2rem;
}

#generate-button {
    background: linear-gradient(to right, #2563eb, #059669);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

#generate-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.big-count {
    margin: 0.5rem 0 0 0;
    font-size: 0.875rem;
    color: #666;
}

.big-results {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.big-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.big-results-header h3 {
    margin: 0;
    color: #1a1a1a;
}

#copy-button {
    background: none;
    border: none;
    color: #4b5563;
    cursor: pointer;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: color 0.2s;
}

#copy-button:hover {
    color: #1a1a1a;
}

#ideas-content {
    white-space: pre-wrap;
    line-height: 1.6;
    color: #1a1a1a;
}