.color-preview {
    width: 100%;
    height: 150px;
    border-radius: 16px;
    background: #e0e0e0;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(0,0,0,0.1);
    transition: background 0.3s ease;
}

#preview-text {
    font-weight: bold;
    color: rgba(0,0,0,0.5);
    background: rgba(255,255,255,0.5);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    pointer-events: none;
}

.color-results {
    margin-bottom: 2rem;
}

.color-results .input-group {
    margin-bottom: 1rem;
}

.error-msg {
    color: #ff4757;
    margin-top: 1rem;
    font-weight: bold;
    display: none;
}

.copy-btn {
    background: transparent;
    border: 2px solid var(--rosa-claro);
    color: var(--texto);
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 12px;
    padding: 0 1rem;
    transition: all 0.3s;
}

.copy-btn:hover {
    background: var(--rosa);
    transform: scale(1.1);
}

.full-width-btn {
    width: 100%;
    border: none;
    padding: 1rem;
    border-radius: 12px;
    font-weight: bold;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.full-width-btn:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}